WO2023191125A1 - 로봇 - Google Patents
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- WO2023191125A1 WO2023191125A1 PCT/KR2022/004405 KR2022004405W WO2023191125A1 WO 2023191125 A1 WO2023191125 A1 WO 2023191125A1 KR 2022004405 W KR2022004405 W KR 2022004405W WO 2023191125 A1 WO2023191125 A1 WO 2023191125A1
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- Prior art keywords
- robot
- bottom plate
- link
- wheel
- arm
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/007—Manipulators mounted on wheels or on carriages mounted on wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
- B62D61/12—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with variable number of ground engaging wheels, e.g. with some wheels arranged higher than others, or with retractable wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Program-controlled manipulators
- B25J9/0009—Constructional details, e.g. manipulator supports, bases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general ; Anti-clogging castors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general ; Anti-clogging castors
- B60B33/04—Castors in general ; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general ; Anti-clogging castors
- B60B33/04—Castors in general ; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
- B60B33/045—Castors in general ; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted resiliently, by means of dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
- B62D57/024—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members specially adapted for moving on inclined or vertical surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
- B62D61/10—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with more than four wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/02—Motor vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
- B62D57/032—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members with alternately or sequentially lifted supporting base and legs; with alternately or sequentially lifted feet or skid
Definitions
- the present invention relates to robots.
- a robot is a machine that automatically processes or operates a given task based on its own abilities.
- the application fields of robots can be broadly classified into industrial, medical, space, underwater, etc., and can be used in a variety of fields.
- An example of a robot may include a driving wheel, a front caster, and a rear caster, and such a robot is disclosed in Korean Patent Publication No. 10-2020-0085661 (published on July 15, 2020).
- the robot includes a main body provided with a traveling unit, and the traveling unit includes a driving wheel rotating around a driving shaft extending left and right; and a drive motor that provides rotational power to the drive wheel.
- a front caster provided on the front bottom of the main body; It includes a rear caster provided at the rear bottom of the main body.
- the purpose of this embodiment is to provide a robot that can overcome obstacles on the ground with a high sense of stability.
- the robot according to this embodiment includes a main body having a bottom plate; It includes at least one wheel module mounted on a bottom plate and an auxiliary wheel disposed on the bottom plate, wherein the wheel module includes a link motor arm; Front caster installed on link motor arm; a link back arm rotatably connected to the link motor arm; Rear caster installed on link back arms; a motor coupled to at least one of a link motor arm and a link back arm; and a drive wheel rotated by a motor, and the size of the auxiliary wheel may be smaller than the size of the front caster.
- the distance from the tip of the bottom plate to the tip of the auxiliary wheel may be shorter than the distance from the tip of the bottom plate to the tip of the front caster.
- a pair of wheel modules may be provided on the bottom plate, and a pair of auxiliary wheels may be provided on the bottom plate, and the gap between a pair of auxiliary wheels may be narrower than the gap between a pair of wheel modules.
- the bottom height of the training wheels may be higher than the bottom height of the front caster.
- the auxiliary wheel includes an auxiliary body fastened to the bottom plate and an auxiliary wheel arranged to rotate around the auxiliary body, and a front charging terminal assembly may be coupled to the auxiliary body.
- the wheel module includes a front hinge mounted on a bottom plate and a link motor arm rotatably connected to a first hinge axis; A rear hinge mounted on the bottom plate and formed with a pin guide; and a guide pin installed on the link back arm and slidably guided along the pin guide, and the link back arm may be connected to the link motor arm through a second hinge shaft.
- the pin guide may be a guide hole formed long in the front-back direction of the rear hinge.
- the robot may further include a hinge member rotatably disposed on the bottom plate, and auxiliary wheels may be mounted on the hinge member.
- the robot may further include a spring that elastically supports the hinge member on the upper side of the hinge member.
- the robot may further include a front spring disposed on the bottom plate and cushioning the link motor arm, and a rear spring disposed on the bottom plate and cushioning the link back arm.
- the spring constant of the front spring may be smaller than that of the rear spring.
- the link motor arm may include a front caster mounting portion to which the front caster is coupled, and the front spring may be in contact with the front caster mounting portion.
- the link back arm may include a rear caster mounting portion to which the rear caster is coupled, and the rear spring may be in contact with the rear caster mounting portion.
- the robot can overcome obstacles in multiple stages using the auxiliary wheels and the front caster, thereby minimizing the size of the front caster and allowing the robot to run more stably.
- auxiliary wheels including auxiliary wheels, front casters, and rear casters, can be minimized.
- the front caster, drive wheel, and rear caster all run in contact with the ground, so the robot's shaking is minimized and the robot can run stably.
- auxiliary wheel can rotate together with the hinge member, damage to the auxiliary wheel can be minimized.
- the shock applied to the auxiliary wheel can be cushioned by the spring that elastically supports the hinge member.
- link motor arm and the link back arm can be cushioned by the front spring and the rear spring, thereby cushioning the shock applied to the wheel module.
- the spring constant of the front spring is smaller than that of the rear spring, so the shock can be absorbed from front to back, and the robot can be maintained more stably.
- FIG. 1 is a diagram showing an AI device including a robot according to this embodiment
- Figure 2 is a diagram showing an AI server connected to a robot according to this embodiment
- FIG. 3 is a diagram showing an AI system according to this embodiment
- FIG. 4 is a perspective view of an example of a robot according to this embodiment.
- FIG. 5 is a front view of an example of a robot according to this embodiment.
- FIG. 6 is a side view of an example robot according to this embodiment.
- Figure 8 is a perspective view showing the interior of an example of a robot according to this embodiment.
- FIG. 9 is a front view showing the interior of an example of a robot according to this embodiment.
- FIG. 10 is a perspective view showing a conveyor of an example of a robot according to this embodiment.
- FIG. 11 is a rear view showing the interior of an example of a robot according to this embodiment.
- Figure 12 is a diagram showing the configuration of an example robot according to this embodiment.
- Figure 13 is a diagram when an example of a robot according to this embodiment is docked with a storage box.
- FIG. 14 is a side view showing an example of a wheel module according to this embodiment.
- FIG. 15 is a perspective view showing an example of a wheel module according to this embodiment.
- FIG. 16 is a diagram of another example of a robot according to this embodiment.
- 17 is a diagram of another example of a robot according to this embodiment.
- Robots can be classified into industrial, medical, household, military, etc. depending on their purpose or field of use.
- a robot is equipped with a driving unit including an actuator or motor and can perform various physical movements such as moving robot joints.
- a mobile robot includes wheels, brakes, and propellers in the driving part, and can travel on the ground or fly in the air through the driving part.
- Machine learning refers to the field of defining various problems dealt with in the field of artificial intelligence and researching methodologies to solve them. do.
- Machine learning is also defined as an algorithm that improves the performance of a task through consistent experience.
- ANN Artificial Neural Network
- ANN is a model used in machine learning. It can refer to an overall model with problem-solving capabilities that is composed of artificial neurons (nodes) that form a network through the combination of synapses. Artificial neural networks can be defined by connection patterns between neurons in different layers, a learning process that updates model parameters, and an activation function that generates output values.
- An artificial neural network may include an input layer, an output layer, and optionally one or more hidden layers. Each layer includes one or more neurons, and the artificial neural network may include synapses connecting neurons. In an artificial neural network, each neuron can output the activation function value for the input signals, weight, and bias input through the synapse.
- Model parameters refer to parameters determined through learning and include the weight of synaptic connections and the bias of neurons.
- Hyperparameters refer to parameters that must be set before learning in a machine learning algorithm and include learning rate, number of repetitions, mini-batch size, initialization function, etc.
- the purpose of artificial neural network learning can be seen as determining model parameters that minimize the loss function.
- the loss function can be used as an indicator to determine optimal model parameters in the learning process of an artificial neural network.
- Machine learning can be classified into supervised learning, unsupervised learning, and reinforcement learning depending on the learning method.
- Supervised learning refers to a method of training an artificial neural network with a given label for the learning data.
- a label refers to the correct answer (or result value) that the artificial neural network must infer when learning data is input to the artificial neural network. It can mean.
- Unsupervised learning can refer to a method of training an artificial neural network in a state where no labels for training data are given.
- Reinforcement learning can refer to a learning method in which an agent defined within an environment learns to select an action or action sequence that maximizes the cumulative reward in each state.
- machine learning implemented with a deep neural network is also called deep learning, and deep learning is a part of machine learning.
- machine learning is used to include deep learning.
- Autonomous driving refers to technology that drives on its own, and an autonomous vehicle refers to a vehicle that drives without user intervention or with minimal user intervention.
- autonomous driving includes technology that maintains the driving lane, technology that automatically adjusts speed such as adaptive cruise control, technology that automatically drives along a set route, technology that automatically sets the route and drives once the destination is set, etc. All of these can be included.
- Vehicles include vehicles equipped only with an internal combustion engine, hybrid vehicles equipped with both an internal combustion engine and an electric motor, and electric vehicles equipped with only an electric motor, and may include not only cars but also trains and motorcycles.
- the self-driving vehicle can be viewed as a robot with self-driving functions.
- FIG. 1 is a diagram illustrating an AI device including a robot according to this embodiment.
- the AI device 10 includes TVs, projectors, mobile phones, smartphones, desktop computers, laptops, digital broadcasting terminals, PDAs (personal digital assistants), PMPs (portable multimedia players), navigation, tablet PCs, wearable devices, and set-top boxes (STBs). ), DMB receivers, radios, washing machines, refrigerators, desktop computers, digital signage, robots, vehicles, etc., can be implemented as fixed or movable devices.
- the AI device 10 includes a communication interface 11, an input interface 12, a learning processor 13, a sensor 14, an output interface 15, a memory 17, and a processor 18. It may include etc.
- the communication interface 11 can transmit and receive data with external devices such as other AI devices 10a to 10e or the AI server 20 using wired or wireless communication technology.
- the communication interface 11 can transmit and receive sensor information, user input, learning models, control signals, etc. with external devices.
- communication technologies used by the communication interface 11 include GSM (Global System for Mobile communication), CDMA (Code Division Multi Access), LTE (Long Term Evolution), 5G, WLAN (Wireless LAN), and Wi-Fi (Wireless- Fidelity), Bluetooth, RFID (Radio Frequency Identification), Infrared Data Association (IrDA), ZigBee, NFC (Near Field Communication), etc.
- GSM Global System for Mobile communication
- CDMA Code Division Multi Access
- LTE Long Term Evolution
- 5G Fifth Generation
- WLAN Wireless LAN
- Wi-Fi Wireless- Fidelity
- Bluetooth Bluetooth
- RFID Radio Frequency Identification
- IrDA Infrared Data Association
- ZigBee ZigBee
- NFC Near Field Communication
- the input interface 12 can acquire various types of data.
- the input interface 12 may include a camera for inputting video signals, a microphone for receiving audio signals, and a user input interface for receiving information from the user.
- the camera or microphone may be treated as a sensor, and the signal obtained from the camera or microphone may be referred to as sensing data or sensor information.
- the input interface 12 can obtain training data for model learning and input data to be used when obtaining an output using the learning model.
- the input interface 12 may acquire unprocessed input data, and in this case, the processor 18 or the learning processor 13 may extract input features by preprocessing the input data.
- the learning processor 13 can learn a model composed of an artificial neural network using training data.
- the learned artificial neural network may be referred to as a learning model.
- a learning model can be used to infer a result value for new input data other than learning data, and the inferred value can be used as the basis for a decision to perform an operation.
- the learning processor 13 may perform AI processing together with the learning processor 24 of the AI server 20.
- the learning processor 13 may include a memory integrated or implemented in the AI device 10.
- the learning processor 13 may be implemented using the memory 17, an external memory directly coupled to the AI device 10, or a memory maintained in an external device.
- the sensor 14 may use various sensors to obtain at least one of internal information of the AI device 10, information about the surrounding environment of the AI device 10, and user information.
- the sensors included in the sensor 14 include a proximity sensor, illuminance sensor, acceleration sensor, magnetic sensor, gyro sensor, inertial sensor, RGB sensor, IR sensor, fingerprint recognition sensor, ultrasonic sensor, optical sensor, microphone, lidar, Radar, etc.
- the output interface 15 may generate output related to vision, hearing, or tactile sensation.
- the output interface 15 may include a display unit that outputs visual information, a speaker that outputs auditory information, and a haptic module that outputs tactile information.
- the memory 17 can store data supporting various functions of the AI device 10.
- the memory 17 may store input data, learning data, learning models, learning history, etc. obtained from the input interface 12.
- Processor 18 may determine at least one executable operation of AI device 10 based on information determined or generated using a data analysis algorithm or machine learning algorithm. And, the processor 18 can control the components of the AI device 10 to perform the determined operation.
- the processor 18 may request, retrieve, receive, or utilize data from the learning processor 13 or the memory 17, and perform an operation that is predicted or determined to be desirable among the at least one executable operation.
- Components of the AI device 10 can be controlled to execute.
- the processor 18 may generate a control signal to control the external device and transmit the generated control signal to the external device.
- the processor 18 may obtain intent information regarding user input and determine the user's requirements based on the obtained intent information.
- the processor 18 uses at least one of a STT (Speech To Text) engine for converting voice input into a character string or a Natural Language Processing (NLP) engine for acquiring intent information of natural language, so that the user Intent information corresponding to the input can be obtained.
- STT Seech To Text
- NLP Natural Language Processing
- At this time, at least one of the STT engine or the NLP engine may be composed of at least a portion of an artificial neural network learned according to a machine learning algorithm. And, at least one of the STT engine or NLP engine is learned by the learning processor 13, learned by the learning processor 24 of the AI server 20, or learned by distributed processing thereof. It may be.
- the processor 18 collects history information including the user's feedback on the operation of the AI device 10 and stores it in the memory 17 or the learning processor 13, or in the AI server 20, etc. Can be transmitted to an external device. The collected historical information can be used to update the learning model.
- the processor 18 may control at least some of the components of the AI device 10 to run the application program stored in the memory 17. Furthermore, the processor 18 may operate two or more of the components included in the AI device 10 in combination with each other in order to run the application program.
- Figure 2 is a diagram showing an AI server connected to a robot according to this embodiment.
- the AI server 20 may refer to a device that trains an artificial neural network using a machine learning algorithm or uses a learned artificial neural network.
- the AI server 20 may be composed of a plurality of servers to perform distributed processing, and may be defined as a 5G network.
- the AI server 20 may be included as a part of the AI device 10 and perform at least part of the AI processing.
- the AI server 20 may include a communication interface 21, a memory 23, a learning processor 24, and a processor 26.
- the communication interface 21 can transmit and receive data with an external device such as the AI device 10.
- Memory 23 may include model storage 23a.
- the model storage 23a may store a model (or artificial neural network, 23b) that is being trained or has been learned through the learning processor 24.
- the learning processor 24 can train the artificial neural network 23b using learning data.
- the learning model may be used while mounted on the AI server 20 of the artificial neural network, or may be mounted and used on an external device such as the AI device 10.
- Learning models can be implemented in hardware, software, or a combination of hardware and software.
- one or more instructions constituting the learning model may be stored in the memory 23.
- the processor 26 may infer a result value for new input data using a learning model and generate a response or control command based on the inferred result value.
- FIG. 3 is a diagram showing an AI system according to this embodiment.
- the AI system 1 includes at least one of an AI server 20, a robot 10a, an autonomous vehicle 10b, an XR device 10c, a smartphone 10d, or a home appliance 10e. It is connected to this cloud network (2).
- a robot 10a, an autonomous vehicle 10b, an XR device 10c, a smartphone 10d, or a home appliance 10e to which AI technology is applied may be referred to as AI devices 10a to 10e.
- the cloud network 10 may constitute part of a cloud computing infrastructure or may refer to a network that exists within the cloud computing infrastructure.
- the cloud network 10 may be configured using a 3G network, 4G, Long Term Evolution (LTE) network, or 5G network.
- each of the devices 10a to 10e, 20 constituting the AI system 1 may be connected to each other through the cloud network 10.
- the devices 10a to 10e, 20 may communicate with each other through a base station, but may also communicate directly with each other without going through the base station.
- the AI server 20 may include a server that performs AI processing and a server that performs calculations on big data.
- the AI server 20 is connected to at least one of the AI devices constituting the AI system 1: a robot 10a, an autonomous vehicle 10b, an XR device 10c, a smartphone 10d, or a home appliance 10e. It is connected through the cloud network 10 and can assist at least some of the AI processing of the connected AI devices 10a to 10e.
- the AI server 20 can train an artificial neural network according to a machine learning algorithm on behalf of the AI devices 10a to 10e, and directly store or transmit the learning model to the AI devices 10a to 10e.
- the AI server 20 receives input data from the AI devices 10a to 10e, infers a result value for the received input data using a learning model, and provides a response or control command based on the inferred result value. It can be generated and transmitted to AI devices (10a to 10e).
- the AI devices 10a to 10e may infer a result value for input data using a direct learning model and generate a response or control command based on the inferred result value.
- AI devices 10a to 10e to which the above-described technology is applied will be described.
- the AI devices 10a to 10e shown in FIG. 3 can be viewed as specific examples of the AI device 10 shown in FIG. 1.
- the robot 10a applies AI technology and can be implemented as a guidance robot, a transport robot, a cleaning robot, a wearable robot, an entertainment robot, a pet robot, an unmanned flying robot, etc.
- the robot 10a may include a robot control module to control its movements, and the robot control module may mean a software module or a chip implementing it as hardware.
- the robot 10a uses sensor information obtained from various types of sensors to acquire status information of the robot 10a, detect (recognize) the surrounding environment and objects, generate map data, or determine movement path and driving. It can determine a plan, determine a response to user interaction, or determine an action.
- the robot 10a may use sensor information obtained from at least one sensor among lidar, radar, and camera to determine the movement path and driving plan.
- the robot 10a can perform the above operations using a learning model composed of at least one artificial neural network.
- the robot 10a can recognize the surrounding environment and objects using a learning model, and can determine an operation using the recognized surrounding environment information or object information.
- the learning model may be learned directly from the robot 10a or from an external device such as the AI server 20.
- the robot 10a may perform an operation by generating a result using a direct learning model, but performs the operation by transmitting sensor information to an external device such as the AI server 20 and receiving the result generated accordingly. You may.
- the robot 10a determines the movement path and driving plan using at least one of map data, object information detected from sensor information, or object information acquired from an external device, and controls the driving unit to follow the determined movement path and driving plan.
- the robot 10a can be driven accordingly.
- the map data may include object identification information about various objects arranged in the space where the robot 10a moves.
- map data may include object identification information for fixed objects such as walls and doors and movable objects such as flower pots and desks.
- object identification information may include name, type, distance, location, etc.
- the robot 10a can perform actions or travel by controlling the driving unit based on the user's control/interaction. At this time, the robot 10a may acquire interaction intention information according to the user's motion or voice utterance, determine a response based on the acquired intention information, and perform the operation.
- the robot 10a applies AI technology and autonomous driving technology and can be implemented as a guidance robot, a transport robot, a cleaning robot, a wearable robot, an entertainment robot, a pet robot, an unmanned flying robot, etc.
- the robot 10a to which AI technology and autonomous driving technology are applied may refer to a robot itself with autonomous driving functions or a robot 10a that interacts with an autonomous vehicle 10b.
- the robot 10a with an autonomous driving function may refer to devices that move on their own along a given route without user control or that determine the route on their own.
- the robot 10a and the autonomous vehicle 10b with autonomous driving functions may use a common sensing method to determine one or more of a movement path or a driving plan.
- the robot 10a and the autonomous vehicle 10b with autonomous driving functions can determine one or more of a movement path or a driving plan using information sensed through lidar, radar, and cameras.
- the robot 10a that interacts with the autonomous vehicle 10b exists separately from the autonomous vehicle 10b and is linked to the autonomous driving function inside the autonomous vehicle 10b or is connected to the autonomous vehicle 10b. You can perform actions linked to the user on board.
- the robot 10a interacting with the self-driving vehicle 10b acquires sensor information on behalf of the self-driving vehicle 10b and provides it to the self-driving vehicle 10b, or acquires sensor information and provides surrounding environment information or By generating object information and providing it to the autonomous vehicle 10b, the autonomous driving function of the autonomous vehicle 10b can be controlled or assisted.
- the robot 10a interacting with the autonomous vehicle 10b may monitor the user riding the autonomous vehicle 10b or control the functions of the autonomous vehicle 10b through interaction with the user. .
- the robot 10a may activate the autonomous driving function of the autonomous vehicle 10b or assist in controlling the driving unit of the autonomous vehicle 10b.
- the functions of the autonomous vehicle 10b controlled by the robot 10a may include not only the autonomous driving function but also functions provided by a navigation system or audio system provided inside the autonomous vehicle 10b.
- the robot 10a interacting with the autonomous vehicle 10b may provide information to the autonomous vehicle 10b or assist a function from outside the autonomous vehicle 10b.
- the robot 10a may provide traffic information including signal information to the autonomous vehicle 10b, such as a smart traffic light, and may interact with the autonomous vehicle 10b, such as an automatic electric charger for an electric vehicle. You can also automatically connect an electric charger to the charging port.
- Figure 4 is a perspective view of an example of a robot according to this embodiment
- Figure 5 is a front view of an example of a robot according to this embodiment
- Figure 6 is a side view of an example of a robot according to this embodiment
- Figure 7 is a view of an example of a robot according to this embodiment. This is a rear view of an example robot.
- the robot 10a may include a main body 30 and at least one wheel module 40.
- An example of the robot 10a may be a delivery robot that can transport delivered goods (hereinafter referred to as delivered goods) such as food, medicine, and delivery goods.
- delivered goods such as food, medicine, and delivery goods.
- the main body 30 may be composed of a combination of a plurality of members and may be a robot body.
- the main body 30 may include a front cover 31, a container 32, and a row cover 33.
- the front cover 31 may include a front body 31a that is long in the vertical direction and a lower body 31b extending in the front-back direction from the lower part of the front body 31a.
- the front cover 31, especially the front body 31a will have a display 152 that displays information and a front camera 154 that photographs the front of the robot 10a. You can.
- a side camera 155 (see FIG. 6) that photographs the side of the robot 10a may be placed on the front cover 31, especially the lower body 31a.
- the container 32 may be placed on the upper side of the lower body 31b.
- a space capable of accommodating delivery material may be formed inside the container 32.
- a shutter door 32c may be disposed on the rear of the container 32, and the shutter door 32c may be a sliding shutter door that slides to open and close the interior of the container 32.
- the lower cover 33 may be disposed on the lower side of the lower body 31b.
- the lower cover 33 may surround the lower part of the robot 10a and protect the lower part of the robot 10a.
- the robot 10a's LIDAR (LIDAR) 156 installed on the main body 30 is a radar system that measures the position coordinates of the reflector by shooting a laser pulse and measuring the time it takes for it to be reflected and returned.
- the lower cover 33 may be formed with an opening 33a through which the laser pulse generated by the lidar 156 can pass.
- the main body 30 may include a bottom plate spaced apart from the ground, and at least one wheel module 40 and at least one auxiliary wheel may be mounted on the bottom plate 39.
- the wheel module 40 may support the main body 30 so that the main body 30 is spaced apart from the ground G, and may be a travel module for driving the robot 10a.
- the wheel module 40 may include a front caster 80, a drive wheel 94, and a rear caster 120.
- the auxiliary wheels 200 can assist the wheel module 40 so that the robot 10a can easily overcome obstacles such as bumps on the ground.
- the auxiliary wheel 200 may be located further forward than the front caster 80. As shown in FIG. 6, the distance L1 from the tip of the bottom plate 39 to the tip of the auxiliary wheel 200 is the distance L2 from the tip of the bottom plate 39 to the tip of the front caster 80. ) can be shorter than
- the auxiliary wheels 200 can overcome obstacles before the front cacher 80.
- An example of the robot 10a may include a plurality of wheel modules 40 and a plurality of auxiliary wheels 200.
- the plurality of wheel modules 40 may include a pair of wheel modules 40A and 40B, and the pair of wheel modules 40A and 40B include a left wheel module 40A and a right wheel module 40B. ) may include.
- the left wheel module 40A and the right wheel module 40B may be installed symmetrically left and right and may be spaced apart in the left and right direction (Y).
- the left wheel module 40A may be placed on the left side of the main body 30 based on the center of the bottom plate in the left and right direction (Y), and the right wheel module 40B may be placed on the left side of the main body 30 based on the center of the bottom plate in the left and right direction (Y). It can be placed on the right side of the main body 30.
- the left wheel module 40A and the right wheel module 40B may have the same structure.
- the plurality of auxiliary wheels 200 may include a pair of auxiliary wheels 200A and 200B, and the pair of auxiliary wheels 200A and 200B may include a left auxiliary wheel 200A and a right auxiliary wheel 200B. ) may include.
- the left auxiliary wheel 200A and the right auxiliary wheel 200B may be installed symmetrically left and right and may be spaced apart in the left and right directions (Y).
- the left auxiliary wheel (200A) can be placed on the left side of the bottom plate based on the center of the bottom plate in the left and right direction (Y), and the right auxiliary wheel (200B) can be placed on the main body based on the center of the bottom plate in the left and right direction (Y). It can be placed on the right side of (30).
- the left auxiliary wheel 200A and the right auxiliary wheel 200B may have the same structure.
- the gap L3 between a pair of auxiliary wheels 200A and 200B may be narrower than the gap L4 between a pair of wheel modules 40A and 40B.
- Figure 8 is a perspective view showing the inside of an example of a robot according to this embodiment
- Figure 9 is a front view showing the inside of an example of a robot according to this embodiment.
- the container 32 may include a container frame 32a inside which a space S can be accommodated.
- the top and back surfaces of the container frame 32a may be open.
- the outer surface of the container frame 32a may be protected by the container cover 32a shown in FIGS. 4 to 7.
- the back of the container frame 32a can be opened and closed by a shutter door 32c (see FIG. 7).
- the main body 30 may include a front frame 34 in front of the container frame 32.
- the front frame 34 may be combined with the bottom plate 39.
- the front frame 34 may be coupled to the front part of the bottom plate 39 and may be disposed long upward from the bottom plate 39.
- the display 152 may be placed on the upper side of the front frame 34.
- the front camera 154 may be mounted on the front frame 34.
- a speaker 158 that outputs auditory information may be disposed on the front frame 34.
- the main body 30 may include an upper plate 35 disposed above the bottom plate 39.
- the upper plate 35 may be installed to be spaced apart from the bottom plate 39 by a post 36.
- a plurality of posts 36 may be provided between the bottom plate 39 and the upper plate 35.
- Figure 10 is a perspective view showing a conveyor of an example of a robot according to this embodiment
- Figure 11 is a rear view showing the interior of an example of a robot according to this embodiment
- Figure 12 is a configuration of an example of a robot according to this embodiment.
- FIG. 13 is a diagram of an example of a robot according to this embodiment when docked with a storage box.
- the main body 30 may further include a rear body 37, as shown in FIGS. 10 and 11.
- the rear body 37 can connect the bottom plate 39 and the lower part of the container 32.
- a rear charging terminal 160 may be disposed on the rear body 37.
- the robot 10a can be charged by moving the rear charging terminal 160 to the power supply terminal (not shown) of the charging station, and can also be charged by connecting a charging cable (not shown) to the rear charging terminal 160. possible.
- the robot 10a can run while placed on the ground (G), and may encounter obstacles (O, Obstacles) such as ledges located on the ground (G) while running.
- obstacles O, Obstacles
- the front caster 80, the driving wheel 94, and the rear wheel 120 can roll along the ground (G) while in contact with the ground (G).
- the auxiliary wheel 200 may be installed to be spaced apart from the ground (G) when it does not encounter an obstacle (O).
- the bottom height of the auxiliary wheel 120 may be higher than the bottom height of the front caster 80.
- the auxiliary wheel 200 may be spaced apart from the ground (G) during normal driving, and when it encounters an obstacle (O) below a set height, it may come into contact with the obstacle (O) and then climb over the obstacle (O). .
- the robot 10a can drive over a low obstacle O, and since it cannot overcome a high obstacle O, it can drive while avoiding high obstacles O.
- the robot 10a can run over an obstacle O that is below a set height, and an example of the set height may be 40 cm.
- the robot 10a may further include a conveyor 162 disposed in the container 32, as shown in FIGS. 11 and 12.
- the conveyor 162 may be placed at the inner lower portion of the container 32.
- the delivery (P) is input into the space (S) of the container (32), it can be placed on the upper surface of the conveyor (162).
- the conveyor 162 can transport the shipment (P, see FIG. 13) accommodated in the space (S) in the front-back direction (X).
- the robot 10a can be docked (connected) to a storage box outside the robot 10a.
- the robot 10a can be docked with a storage box (Box), and the conveyor 162 can transport the delivery (P) contained in the container 32 to the storage box (Box).
- the conveyor 162 can be transported as a shipment (P) using a storage box conveyor (C) placed inside the storage box (Box).
- Figure 14 is a side view showing an example of a wheel module according to this embodiment
- Figure 15 is a perspective view showing an example of a wheel module according to this embodiment.
- Figure 15 is a perspective view when the in-wheel motor 90 of the left wheel module 40a is separated from the link motor arm 70 and the link back arm 100.
- the wheel module 40 includes a front hinge 50, a rear hinge 60, a link motor arm 70, a front caster 80, an in-wheel motor 90, a link back arm 100, and a guide pin. It may include (110) and a rear caster (120).
- the wheel module 40 may be an interlocking link module in which the link motor arm 70 and the link back arm 100 are interlocked.
- the front hinge 50 and rear hinge 60 can be fixed in position to the main body 30, especially the bottom plate 39, and each of the front hinge 50 and rear hinge 60 is positioned based on the robot set. It can be a fixed point.
- the link motor arm 70 and the link back arm 100 can be disposed on the front hinge 50 and the rear hinge 60, respectively, and the front caster 80, in-wheel motor 90, and rear caster 120 are It may be distributed and positioned on the link motor arm 70 and the link back arm 100.
- the front hinge 50 may be mounted on the main body 30.
- the front hinge 50 may be mounted on the front part of the main body 30, and the front part of the main body 30 may be defined as the front part based on the center of the main body 30 in the front-back direction (X).
- the front hinge 50 may be mounted on the bottom plate 39, and may be mounted on the bottom plate 39 using a fastening member such as a screw.
- the front hinge 50 may include a front mounter 52 and a pair of side brackets 54.
- the front mounter 52 may be fastened to the bottom plate 39 using a fastening member.
- a pair of side brackets 54 protrude from the front mounter 52 and may be spaced apart in the left and right directions (Y).
- a pair of side brackets 54 may protrude downward from the side of the front mounter 52.
- the first hinge shaft P1 may pass through a pair of side brackets 54 of the front hinge 50 and the first hinge shaft penetrating portion 72 formed in the center of the link motor arm 70.
- the first hinge axis P1 may be the rotation center of the link motor arm 70.
- the rear hinge 60 may be mounted on the rear part of the main body 30.
- the rear portion of the main body 30 may be defined as the rear portion based on the center of the main body 30 in the front-to-back direction (X).
- the rear hinge 60 may be mounted on the bottom plate 39, may be mounted on the bottom plate 39 using a fastening member such as a screw, and may be mounted spaced back and forth from the front hinge 50.
- the rear hinge 60 may include a rear mounter 62 and a pair of side brackets 64.
- the rear mounter 62 may be fastened to the bottom plate 39 using a fastening member.
- a pair of side brackets 64 protrude from the rear mounter 64 and may be spaced apart in the left and right directions (Y).
- a pair of side brackets 64 may protrude downward from the side of the rear mounter 62.
- a pin guide 66 guided by a guide pin 110 may be formed on the rear hinge 60.
- the pin guide 66 may be a guide hole formed long in the front-back direction (X) in the rear hinge 40, for example, it may be a long hole.
- the pin guide 66 may be open to each of the pair of brackets 64 of the rear hinge 60 in the left-right direction (Y) and may be formed to be long in the front-back direction (X).
- the pin guide 66 which is a guide hole, may include a front end and a rear end spaced apart from the front end in the front-back direction (X), and the guide pin 110 includes the front end of the pin guide 66 and the rear end of the pin guide 66. can be moved between them.
- the rear hinge 60 may be a sliding connector to which the link back arm 100 is slidably connected by the guide pin 110.
- the link motor arm 70 may be a link front arm disposed in front of the link back arm 100.
- the link motor arm 70 may be rotatably connected to the front hinge 50 about the first hinge axis P1.
- the link motor arm 70 can rotate up and down around the front hinge 50.
- the link motor arm 70 may be arranged long in the front-back direction (X) with respect to the front hinge 50, and may be arranged approximately horizontally below the bottom plate 39.
- the link motor arm 70 may be spaced apart from the bottom plate 39 in the vertical direction (Z).
- the front part of the link motor arm 70 may be defined as a part located in front of the first hinge bamboo (P1) with respect to the first hinge axis (P1), and the rear part of the link motor arm 70 is the first hinge. It can be defined as a part located behind the first hinge bamboo (P1) with respect to the axis (P1).
- a front caster mounting portion 71 on which the front caster 80 is mounted may be formed on the front portion of the link motor arm 70.
- the front caster mounting portion 71 may have a through hole through which the vertical axis of the front caster 80 passes, which may be open in the vertical direction (Z).
- a first hinge shaft penetrating portion through which the first hinge shaft P1 passes may be formed in the central portion of the link motor arm 70.
- a first hinge shaft through hole through which the first hinge shaft P1 passes may be open in the left and right direction (Y).
- a second hinge shaft penetrating portion through which the second hinge shaft P2 penetrates may be formed in the rear portion of the link motor arm 70.
- a second hinge shaft through hole penetrating the second hinge shaft P1 may be open in the left and right directions (Y).
- the front caster 80 may be installed on the link motor arm 70.
- the front caster 80 may be installed on the front part of the link motor arm 70.
- the front caster 80 may include a caster body 82 and a front wheel 84.
- the caster body 82 may be installed on the front part of the link motor arm 70.
- the caster body 82 may include a vertical axis installed on the link motor arm 70.
- the front wheel 84 may be arranged to rotate around a horizontal axis on the caster body 82.
- the in-wheel motor 90 may be connected to the rear portion of the link motor arm 70.
- the in-wheel motor 90 may have a motor 92 and a drive wheel 94.
- the motor 92 may be coupled to at least one of the link motor arm 70 and the link back arm 100.
- the drive wheel 94 may be rotated by a motor 92.
- the drive wheel 94 may be connected to the rotation shaft of the motor or to a reducer connected to the rotation shaft of the motor 92.
- Drive wheel 84 may be located next to the rear portion of link motor arm 70.
- the link back arm 100 may be rotatably connected to the link motor arm 70 through a second hinge axis P2.
- the second hinge axis (P2) may be a connection point where the link back arm 100 and the link motor arm 70 are connected, and this second hinge axis (P2) is connected to the link back arm 100 and the link motor arm ( 70) In each rotation range, the link back arm 100 and the link motor arm 70 may be located in an area where they do not collide.
- the second hinge axis P2 may be the center of rotation of the link motor arm 79 and the center of rotation of the link back arm 100.
- the link motor arm 79 and the link back arm 100 may be connected by a second hinge shaft (P2).
- the link motor arm 70 and the link back arm 100 may rotate in opposite directions about the second hinge axis P2.
- the link motor arm 70 is rotated clockwise about the second hinge axis (P2)
- the link back arm 100 can be rotated counterclockwise about the second hinge axis (P2)
- the link back arm 100 can be rotated counterclockwise about the second hinge axis (P2).
- the link back arm 100 may rotate clockwise about the second hinge axis P2.
- the link back arm 100 When the link back arm 100 is rotated clockwise or the link back arm 100 is rotated counterclockwise, the link back arm 100 may be slidingly guided on the rear hinge 60.
- the link back arm 100 may be slidably connected to the rear hinge 60 by a guide pin 110.
- a second hinge shaft penetrating portion through which the second hinge shaft P2 penetrates may be formed in the front portion of the link back arm 100.
- a second hinge shaft through hole through which the second hinge shaft P2 passes may be open in the left and right direction (Y).
- a guide pin mounting portion on which the guide pin 110 is mounted may be formed in the center of the link back arm 100.
- the guide pin mounting portion may be defined as a portion of the link back arm 100 located between a pair of brackets 64 of the rear hinge 60.
- a guide pin through hole through which the guide pin 110 passes may be open in the left and right directions (Y) in the guide pin mounting portion.
- a rear caster mounting portion 103 on which the rear caster 120 is mounted may be formed at the rear of the link back arm 100.
- the rear caster mounting unit 103 may have a through hole through which the vertical axis of the rear caster 120 passes, which may be open in the vertical direction (Z).
- the link back arm 100 connected to the link motor arm 70 by the second hinge axis P2 is connected to the link motor arm ( 70) rotates in the opposite direction to the link motor arm 70, and at this time, when the guide pin 110 connected to the link back arm 110 is guided along the pin guide 56, the link back The arm 110 is rotated while moving approximately in the forward and backward direction (X).
- Guide pin 110 may be installed on the link back arm 100.
- the guide pin 110 may penetrate a pair of side brackets 64 of the rear hinge 60 and the guide pin mounting portion of the link back arm 100.
- the guide pin 100 may be slidably guided along the pin guide 66 when the link back arm 100 rotates.
- the rear caster 120 may be installed on the link back arm 100.
- the rear caster 120 may be installed at the rear of the link back arm 100.
- the rear caster 120 may include a caster body 122 and a rear wheel 124.
- the caster body 122 may be installed on the rear portion of the link back arm 100.
- the caster body 122 may include a vertical axis installed on the link back arm 100.
- the rear wheel 124 may be arranged on the caster body 122 to rotate about a horizontal axis.
- the link motor arm 70 is rotated to a fixed axis by the front hinge 50, and the link back arm 100 is connected to the rear hinge 60 together with the guide 110 according to the rotation radius of the link motor arm 70. While moving in the horizontal direction (forward-backward direction), it is dependent on the rotation radius of the link motor arm 70 and maintains the rotation radius.
- the rotation radius of the link motor arm 70 is limited and moves according to the horizontal movement distance of the guide 110, and the height of the front caster 80 and the height of the drive wheel 94 are adjusted by this rotation radius.
- the front caster 80 and the driving wheel 94 can secure grip with the ground (G) by changing their height depending on the ground.
- the wheel module 40 allows all of the front caster 90, the driving wheel 94, and the rear caster 120 to contact the ground when the robot 10a runs on an uneven ground, and the stability of driving is It improves.
- the robot 10a includes a pair of wheel modules 40A and 40B
- the front caster 90 of the left wheel module 40A, the driving wheel 94, the rear caster 120, and the right wheel module The front caster 90, the driving wheel 94, and the rear caster 120 of 40B are interlocked with each other and can be moved while touching the ground (G).
- the auxiliary wheel 200 may be disposed on the bottom plate 39 to be spaced apart from the wheel module 40.
- the auxiliary wheel 200 may be mounted on the bottom plate 39 independently of the wheel module 400. As shown in FIG. 14, the auxiliary wheel 200 may be installed without overlapping the wheel module 40 in the left and right direction (Y).
- the auxiliary wheels 200 When the robot 10a moves forward, the auxiliary wheels 200 may be in contact with the obstacle O rather than the front caster 80, and after the auxiliary wheels 200 stand on the obstacle O, the front casters ( 80) may come into contact with an obstacle (O).
- the auxiliary wheel 200 may include an auxiliary body 202 and an auxiliary wheel 204.
- the auxiliary body 202 may be fastened to the bottom plate 39 using a fastening member such as a screw.
- the auxiliary wheel 204 may be disposed on the auxiliary body 202 to rotate about a horizontal axis.
- the size of the auxiliary wheel 200 may be smaller than the size of the front caster 80.
- the size of the auxiliary wheel 204 may be smaller than the size of the front wheel 84.
- the radius of the auxiliary wheel 204 may be smaller than the radius of the front wheel 84.
- the auxiliary wheels 200 may be configured to allow the robot 10a to overcome the obstacle O in multiple stages.
- the motor 92 In order for the robot 10a to overcome a tall obstacle O, the motor 92 requires a large amount of force. When the diameter of the front caster 80 is increased, the power of the motor 92 can be reduced. In order to overcome an obstacle (O) with a height of 4cm, the robot (10a) must use a 6-inch front caster (80). In this case, considering the turning radius of the front caster (80), the size of the wheel module (40) is excessive. It becomes larger, and the support point according to the rotation of the front caster 80 also becomes severely inflected.
- the front caster 80 includes a 4-inch front wheel 84 and the auxiliary wheel 200 is mounted on the bottom plate 39, the force to overcome the obstacle O can be reduced, and the robot 10a ) can overcome obstacles (O) with the 4-inch front wheel (84).
- the motor 92 for raising the front caster 80 above the obstacle (O) The force may be smaller than when there is no auxiliary wheel 200.
- the auxiliary wheels 200 may be mounted on the bottom plate 39 to be spaced 19 mm to 21 mm from the ground G.
- the auxiliary wheels ( The force acting on 200) and the force acting on the front caster 80 may be equally distributed.
- auxiliary wheel 200 and the front caster 80 are spaced at a certain distance (horizontally) so that the front caster 80 can catch on the ledge of the load O the moment the auxiliary wheel 200 crosses the obstacle O. It is desirable to place them at a certain distance (directional spacing).
- the robot 10a may further include a front charging terminal assembly 170 (see FIG. 14).
- the robot 10a can be charged by moving the front charging terminal assembly 170 to the power supply terminal (not shown) of the charging station, and can be charged by connecting a charging cable (not shown) to the front charging terminal assembly 170. It is also possible to do so.
- the front charging terminal assembly 170 may be coupled to the auxiliary body 202 of the auxiliary wheel 200.
- the front charging terminal assembly 170 may include a terminal bracket 172 coupled to the auxiliary body 202 and a terminal 174 disposed to protrude forward from the terminal bracket 172.
- the terminal bracket 172 may be spaced apart from the auxiliary wheel 204.
- the terminal bracket 172 may have a bent shape and may be disposed on the auxiliary body 202 to be located in front of the auxiliary body 202.
- terminal bracket 172 may be coupled to the auxiliary body 202 with a fastening member such as a screw, and another example of the terminal bracket 172 may be formed integrally with the auxiliary body 202.
- the bottom height of the front heavy duty terminal assembly 170 may be higher than the bottom height of the auxiliary wheel 200, and when the auxiliary wheel 200 stands on the obstacle O, it may not be damaged by the obstacle O.
- 16 is a diagram of another example of a robot according to this embodiment.
- the robot 10a may further include a hinge member 38 rotatably disposed on the bottom plate 39, and the auxiliary wheels 200' are mounted on the hinge member 38. It can be.
- the hinge member 38 may be connected to the bottom plate 39 through a hinge shaft 38a.
- the hinge member 38 may rotate clockwise or counterclockwise about the hinge axis 38a.
- the auxiliary wheel 200' includes an auxiliary body 202' and an auxiliary wheel 204, as in an example of a robot, and the auxiliary body 202' is not directly fastened to the bottom plate 39, but is attached to a hinge member. It can be concluded at (38).
- the top of the auxiliary body 202' may contact the bottom surface 38b of the hinge member 38.
- the auxiliary body 202' may be fastened to the hinge member 38 with a fastening member such as a screw.
- Another example of the robot 10a may further include a spring 180 that elastically supports the hinge member 38 on the upper side of the hinge member 38.
- spring 180 may be a coil spring.
- Another example of a robot may include a supporter 182 that supports the spring 180.
- the supporter 182 may be disposed on the upper surface of the bottom plate 39.
- the supporter 182 may be fastened to the bottom plate 39 by a fastening member such as a screw.
- a supporter protrusion 184 that supports the upper end of the spring 180 may be formed on the supporter 182.
- a lower protrusion 38c may be formed upward on the hinge member 38 to support the lower end of the spring 180.
- the hinge member 38 and the spring 180 can absorb the impact.
- Another example of the robot 10a may have configurations other than the hinge member 38 and the auxiliary body 202' of the auxiliary wheels 200', which may be the same or similar to an example of the robot 10a, and the description is redundant. To avoid this, a detailed description thereof is omitted.
- 17 is a diagram of another example of a robot according to this embodiment.
- the robot 10a may further include a front spring 192 and a rear spring 194.
- the front spring 192 is disposed on the bottom plate 39 and can cushion the link motor arm 70.
- the rear spring 194 is disposed on the bottom plate 39 and can cushion the link back arm 100.
- the link motor arm 70 may include a front caster mounting portion 71 to which the front caster is coupled, and the front spring 192 may be in contact with or coupled to the front caster mounting portion 71.
- the link back arm 100 includes a rear caster mounting portion 103 to which the rear caster 120 is coupled, and the rear spring 194 may be in contact with or coupled to the rear caster mounting portion 103.
- An example of the front spring 192 may be a coil spring disposed between the bottom plate 39 and the link motor arm 70, and can absorb shock applied to the link motor arm 70.
- An example of the rear spring 194 may be a coil spring disposed between the bottom plate 39 and the link back arm 100, and can absorb shock applied to the link back arm 100.
- the spring constant (K) of the front spring 192 may be smaller than the spring constant (K) of the rear spring 194. In this case, the cushioning effect can start from the front of the robot 10a and be absorbed toward the rear of the robot 10a, and the shaking of the robot 10a during buffering can be minimized.
- Another example of the robot 10a may have configurations other than the front spring 192 and the rear spring 194 that are the same or similar to an example of the robot 10a, and a detailed description thereof will be provided to avoid redundant description. is omitted.
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Abstract
Description
Claims (15)
- 바텀 플레이트를 갖는 메인 바디;상기 바텀 플레이트에 장착된 적어도 하나의 휠 모듈 및상기 바텀 플레이트에 배치된 보조 바퀴를 포함하고,상기 휠 모듈은링크 모터 아암;상기 링크 모터 아암에 설치된 프론트 캐스터;상기 링크 모터 아암에 회전 가능하게 연결된 링크 백 아암;상기 링크 백 아암에 설치된 리어 캐스터;상기 링크 모터 아암과 링크 백 아암 중 적어도 하나에 결합된 모터; 및상기 모터에 의해 회전되는 구동휠을 포함하고,상기 보조 바퀴의 크기는 상기 프론트 캐스터의 크기 보다 작은 로봇.
- 제 1 항에 있어서,상기 바텀 플레이트의 선단에서 상기 보조 바퀴의 선단까지의 거리는 상기 바텀 플레이트의 선단에서 상기 프론트 캐스터의 선단까지의 거리 보다 짧은 로봇.
- 제 1 항에 있어서,상기 휠 모듈은 상기 바텀 플레이트에 한 쌍 제공되고,상기 보조 바퀴는 상기 바텀 플레이트에 한 쌍 제공되고,한 쌍의 보조 바퀴 사이의 간격은 한 쌍의 휠 모듈 사이의 간격 보다 좁은 로봇.
- 제 1 항에 있어서,상기 보조 바퀴의 하단 높이는 상기 프론트 캐스터의 하단 높이 보다 높은 로봇.
- 제 1 항에 있어서,상기 보조 바퀴는상기 바텀 플레이트에 체결된 보조 바디와,상기 보조 바디를 중심으로 회전되게 배치된 보조 휠을 포함하고,상기 보조 바디에는 프론트 충전 단자 어셈블리가 결합된 로봇.
- 제 5 항에 있어서,상기 프론트 중전 단자 어셈블리의 하단 높이는 상기 보조 휠의 하단 높이 보다 높은 로봇.
- 제 1 항에 있어서,상기 휠 모듈은상기 바텀 플레이트에 장착되고 상기 링크 모터 아암이 제1힌지축으로 회전 가능하게 연결된 프론트 힌지;상기 바텀 플레이트에 장착되고 핀 가이드가 형성된 리어 힌지; 및상기 링크 백 아암에 설치되고 상기 핀 가이드를 따라 슬라이드 안내되는 가이드 핀을 더 포함하고,상기 링크 백 아암은 상기 링크 모터 아암에 제2힌지축으로 연결된 로봇.
- 제 7 항에 있어서,상기 핀 가이드는 상기 리어 힌지의 전후 방향으로 길게 형성된 가이드 홀인 로봇.
- 제 1 항에 있어서,상기 바텀 플레이트에 회전 가능하게 배치된 힌지 부재를 더 포함하고,상기 보조 바퀴는 상기 힌지 부재에 장착된 로봇.
- 제 9 항에 있어서,상기 힌지 부재의 상측에서 상기 힌지 부재를 탄성 지지하는 스프링을 더 포함하는 로봇.
- 제 1 항에 있어서,상기 바텀 플레이트에 배치되고 상기 링크 모터 아암을 완충하는 프론트 스프링과,상기 바텀 플레이트에 배치되고 상기 링크 백 아암을 완충하는 리어 스프링을 더 포함하는 로봇
- 제 11 항에 있어서,상기 프론트 스프링의 스프링 상수는 상기 리어 스프링의 스프링 상수 보다 작은 로봇.
- 제 11 항에 있어서,상기 링크 모터 아암은 상기 프론트 캐스터가 결합되는 프론트 캐스터 장착부를 포함하고,상기 프론트 스프링은 상기 프론트 캐스터 장착부와 접촉되는 로봇.
- 제 11 항에 있어서,상기 링크 백 아암은 상기 리어 캐스터가 결합되는 리어 캐스터 장착부를 포함하고,상기 리어 스프링은 상기 리어 캐스터 장착부와 접촉되는 로봇.
- 제 1 항에 있어서,상기 메인 바디는 배송물이 수용되는 공간이 형성된 컨테이너 및상기 컨테이너의 내측 하부에 배치되어 배송물을 운반하는 컨베이어를 더 포함하는 로봇.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020247015762A KR20240090422A (ko) | 2022-03-29 | 2022-03-29 | 로봇 |
| PCT/KR2022/004405 WO2023191125A1 (ko) | 2022-03-29 | 2022-03-29 | 로봇 |
| EP22935801.5A EP4480639A4 (en) | 2022-03-29 | 2022-03-29 | ROBOT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2022/004405 WO2023191125A1 (ko) | 2022-03-29 | 2022-03-29 | 로봇 |
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| Publication Number | Publication Date |
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| WO2023191125A1 true WO2023191125A1 (ko) | 2023-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2022/004405 Ceased WO2023191125A1 (ko) | 2022-03-29 | 2022-03-29 | 로봇 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4480639A4 (ko) |
| KR (1) | KR20240090422A (ko) |
| WO (1) | WO2023191125A1 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230286131A1 (en) * | 2020-08-19 | 2023-09-14 | Lg Electronics Inc. | Robot |
| WO2025080065A1 (ko) * | 2023-10-10 | 2025-04-17 | 주식회사 레인보우로보틱스 | 모바일 로봇 |
| WO2026092565A1 (zh) * | 2024-11-01 | 2026-05-07 | 炬星科技(深圳)有限公司 | 机器人底盘及自主移动机器人 |
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| JP2006190105A (ja) * | 2005-01-06 | 2006-07-20 | Toshiba Corp | 移動ロボット |
| KR20120096811A (ko) * | 2011-02-23 | 2012-08-31 | 삼성중공업 주식회사 | 이동 장치 |
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| US20190329826A1 (en) * | 2017-12-13 | 2019-10-31 | Beijing Geekplus Technology Co., Ltd. | Flexible base and self-driven robot |
| KR20200085661A (ko) | 2019-01-02 | 2020-07-15 | 엘지전자 주식회사 | 이동 로봇 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102679014B1 (ko) * | 2019-01-02 | 2024-06-28 | 엘지전자 주식회사 | 이동 로봇 |
-
2022
- 2022-03-29 KR KR1020247015762A patent/KR20240090422A/ko active Pending
- 2022-03-29 WO PCT/KR2022/004405 patent/WO2023191125A1/ko not_active Ceased
- 2022-03-29 EP EP22935801.5A patent/EP4480639A4/en active Pending
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| JP2003312480A (ja) * | 2002-04-26 | 2003-11-06 | Tanico Corp | 台 車 |
| JP2006190105A (ja) * | 2005-01-06 | 2006-07-20 | Toshiba Corp | 移動ロボット |
| KR20120096811A (ko) * | 2011-02-23 | 2012-08-31 | 삼성중공업 주식회사 | 이동 장치 |
| US20190329826A1 (en) * | 2017-12-13 | 2019-10-31 | Beijing Geekplus Technology Co., Ltd. | Flexible base and self-driven robot |
| WO2019195911A1 (en) * | 2018-04-10 | 2019-10-17 | Velox Manufacturing Inc. | Wheelchair suspension |
| KR20200085661A (ko) | 2019-01-02 | 2020-07-15 | 엘지전자 주식회사 | 이동 로봇 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230286131A1 (en) * | 2020-08-19 | 2023-09-14 | Lg Electronics Inc. | Robot |
| US12533791B2 (en) * | 2020-08-19 | 2026-01-27 | Bear Robotics Korea, Inc. | Robot |
| WO2025080065A1 (ko) * | 2023-10-10 | 2025-04-17 | 주식회사 레인보우로보틱스 | 모바일 로봇 |
| WO2026092565A1 (zh) * | 2024-11-01 | 2026-05-07 | 炬星科技(深圳)有限公司 | 机器人底盘及自主移动机器人 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4480639A4 (en) | 2025-04-16 |
| EP4480639A1 (en) | 2024-12-25 |
| KR20240090422A (ko) | 2024-06-21 |
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