WO2018179446A1 - 汎用エンジンの制御装置 - Google Patents
汎用エンジンの制御装置 Download PDFInfo
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- WO2018179446A1 WO2018179446A1 PCT/JP2017/013855 JP2017013855W WO2018179446A1 WO 2018179446 A1 WO2018179446 A1 WO 2018179446A1 JP 2017013855 W JP2017013855 W JP 2017013855W WO 2018179446 A1 WO2018179446 A1 WO 2018179446A1
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- management
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- general
- work machine
- purpose engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
- F02P5/1506—Digital data processing using one central computing unit with particular means during starting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
- B60W50/023—Avoiding failures by using redundant parts
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/04—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/105—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
- F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2487—Methods for rewriting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/263—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the program execution being modifiable by physical parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/16—Advancing or retarding ignition; Control therefor characterised by the mechanical transmission between sensing elements or personal controls and final actuating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/227—Limping Home, i.e. taking specific engine control measures at abnormal conditions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/228—Warning displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
Definitions
- the present invention relates to a general-purpose engine control device.
- an engine ECU Electronic Control Unit
- a work machine ECU that performs overall control of the work machine and manages operation of the work machine. Then, the work machine operates by the cooperation of these two ECUs.
- Patent Document 1 when an abnormal state is reached in which an instruction for the target engine speed of the engine cannot be given from the work machine ECU to the engine ECU, the engine ECU performs control to rotate the engine at a predetermined fixed speed.
- the engine ECU performs control to rotate the engine at a predetermined fixed speed.
- Patent Document 1 assumes only a state where the working machine ECU cannot instruct the target engine rotational speed to the engine ECU as an abnormal state. For this reason, when the work machine ECU itself stops operating due to a failure or the like, the work machine cannot be operated, and the worker must interrupt the work.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a general-purpose engine control device capable of continuing the operation of the work implement even when the operation management unit of the work implement fails. To do.
- a control device for a general-purpose engine that can be used as a power source of a work machine (for example, a snowplow 1 in an embodiment described later), and the operation of the work machine included in the work machine using the general-purpose engine as a power source
- An engine control unit (for example, an implementation described later) configured to be communicable with an operation management unit (for example, a work machine ECU 21 in an embodiment described later) that manages the state and controls the general-purpose engine based on a command from the operation management unit.
- Engine control unit 14A in the form, a communication interface (for example, communication I / F 13 in the embodiment described later) for communicating with an external device (for example, electronic device 30 in the embodiment described later), and the operation management unit
- a management program for managing the operating state is acquired from the external device via the communication interface and recorded.
- a management program acquisition unit (for example, a management program acquisition unit 14B in an embodiment described later) stored in a medium, and the work implement according to the management program stored in the storage medium when a failure of the operation management unit is detected
- a general-purpose engine control device comprising: an operation management agent unit (for example, an operation management agent unit 14C in an embodiment described later) that manages the operation state of the vehicle instead of the operation management unit.
- control device for a general-purpose engine according to (1) or (2), wherein the operation management agent performs management of the operation state according to the management program.
- a control device for a general-purpose engine that performs only management of some of the items instead of the operation management unit.
- a general-purpose engine control device that reduces the number of management items performed in place of the operation management unit when the processing load of the control device is equal to or greater than a threshold value than when the processing load is less than the threshold value.
- FIG. 5 It is a block diagram which shows schematic structure of the snow remover which is an example of a working machine. It is a functional block diagram of engine ECU14 in the snowplow 1 shown in FIG. It is a flowchart for demonstrating operation
- FIG. 1 is a block diagram showing a schematic configuration of a snowplow 1 which is an example of a work machine.
- the snowplow 1 includes an engine device 10 and a main body 20.
- the engine device 10 includes a general-purpose engine 11, a communication interface (I / F) 13, and an engine ECU 14.
- the general-purpose engine 11 is composed of, for example, an air-cooled 2-cycle or 4-cycle single-cylinder engine using gasoline as fuel.
- the communication I / F 13 is an interface for communicating with an electronic device 30 such as a smartphone that can be connected to a mobile phone network, or an interface for directly connecting to the mobile phone network.
- the engine ECU 14 is configured by a microcomputer including a processor, a ROM (Read Only Memory), a RAM (Random Access Memory), and the like, and operates with electric power of a battery (not shown) charged by the power of the general-purpose engine 11.
- a microcomputer including a processor, a ROM (Read Only Memory), a RAM (Random Access Memory), and the like, and operates with electric power of a battery (not shown) charged by the power of the general-purpose engine 11.
- a control program P1 for controlling the general-purpose engine 11 and communication control using the communication I / F 13 is stored in advance.
- the engine ECU 14 controls the general-purpose engine 11 in accordance with a command from the work machine ECU 21 of the main body unit 20 based on the control program P1, or performs communication control with an external device via the communication I / F 13.
- the communication I / F 13 and the engine ECU 14 constitute a control device for the general-purpose engine 11.
- the main body 20 includes a work machine ECU 21, a traveling device 22, a snow collecting device 23, a snow throwing device 24, a display device 25, and an operating device 26.
- the traveling device 22 includes a rotating body such as a wheel or a crawler, a drive shaft coupled to the rotating body, a transmission connected to the drive shaft, a traveling clutch for transmitting the power of the general-purpose engine 11 to the transmission, An assist motor for assisting the operation of the travel clutch and a transmission motor for driving the transmission are included.
- the snow collecting device 23 includes an auger formed of a spiral rotary blade, an auger housing that houses the auger, an auger housing motor that drives the auger housing, and an auger clutch that transmits the power of the general-purpose engine 11 to the auger. And an auger clutch motor for driving the auger clutch.
- the snow throwing device 24 includes a shooter, a shooter motor for changing the direction of the shooter, a blower that blows off the snow scraped off by the auger from the shooter, and an impeller included in the blower.
- a blower clutch for transmission and a blower clutch motor for driving the blower clutch are included.
- the display device 25 is a device for notifying information indicating various states of the snowplow 1.
- the display device 25 is turned on when a failure occurs, a failure notification light that is turned on, a charging warning light that is turned on when an abnormality occurs in the battery charging system, and a light that is turned on when the engine oil level is low. Oil warning lights, and battery warning lights that light or flash when the battery voltage drops.
- the operation device 26 includes a travel clutch lever for operating a travel clutch included in the travel device 22, a forward / reverse speed adjusting lever for operating a transmission included in the travel device 22, and an auger housing of the snow collecting device 23. Included in the auger adjusting lever for adjusting the posture, the snow throwing direction adjusting lever for adjusting the direction of the shooter of the snow throwing device 24, the auger clutch motor and the snow throwing device 24 included in the snow collecting device 23.
- a snow removal clutch button for operating the blower clutch motor, an engine rotation adjusting lever for adjusting the rotational speed of the general-purpose engine 11, and a mode switching button for switching the snow removal mode are included.
- the work machine ECU 21 is configured by a microcomputer including a processor, a ROM, a RAM, and the like, and operates by power of a battery charged by the power of the general-purpose engine 11.
- the ROM built in the work machine ECU 21 stores in advance a management program P2 for managing the operation state of the snowplow 1.
- the general-purpose engine 11, engine ECU 14, communication I / F 13, work machine ECU 21, traveling device 22, snow collecting device 23, snow throwing device 24, display device 25, and operating device 26 are connected to a common bus 40 and are unidirectional Alternatively, bidirectional communication is possible.
- the processor of the work machine ECU 21 that has executed the management program P2 controls the engine ECU 14, the traveling device 22, the snow collecting device 23, the snow throwing device 24, and the display device 25 based on an instruction signal or the like output from the operation device 26, respectively.
- the operation state of the snowplow 1 is controlled and controlled.
- the processor of the work machine ECU 21 functions as an operation management unit.
- the work machine ECU 21 drives the auger clutch motor and the blower clutch motor to control the auger and blower to the operating state.
- the work machine ECU 21 drives the auger clutch motor and the blower clutch motor to control the auger and the blower to a stopped state.
- the work machine ECU 21 When a signal instructing setting of the manual mode as the operation mode is output from the mode switching button, the work machine ECU 21 issues a command to the engine ECU 14 so that the engine speed becomes the speed input from the engine speed adjusting lever. And the traveling apparatus 22 is controlled so that the traveling speed of the snowplow 1 becomes the target speed input from the forward / reverse speed adjusting lever.
- the work machine ECU 21 performs lighting control of the oil warning light based on the remaining amount information of the engine oil notified from the engine ECU 14, or performs lighting control of the charging warning light or the battery warning light based on the state of the battery, When a failure occurs in the hardware of the snowplow 1, control is performed to turn on the failure notification lamp.
- FIG. 2 is a functional block diagram of the engine ECU 14 in the snowplow 1 shown in FIG.
- the processor of the engine ECU 14 functions as an engine control unit 14A, a management program acquisition unit 14B, and an operation management proxy unit 14C by executing the control program P1.
- the engine control unit 14A controls the rotational speed of the general-purpose engine 11 in accordance with a command from the work machine ECU 21.
- the management program acquisition unit 14B acquires the same program as the management program P2 stored in the ROM built in the work machine ECU 21 from an external device via the communication I / F 13, and this program is built in the engine ECU 14. It memorize
- the management program P2 is stored in the electronic device 30 at the time of this installation. Is memorized.
- the electronic device 30 When the electronic device 30 receives a transmission instruction of the management program P2 from the engine device 10 by the function of the application program, the electronic device 30 transmits the management program P2 stored therein to the engine device 10.
- the operation management proxy unit 14C manages the operation state of the snowplow 1 in place of the work machine ECU 21 according to the management program P2 stored in the ROM of the engine ECU 14.
- the operation management proxy unit 14C periodically transmits a signal for operation confirmation to the work implement ECU 21, and when there is no response from the work implement ECU 21 to this signal, the work implement ECU 21 breaks down. Detect that
- FIG. 3 is a flowchart for explaining the operation of the snowplow 1 shown in FIG.
- step S1 When the engine ECU 14 and the work machine ECU 21 are activated, the work machine ECU 21 starts managing the operation state of the snowplow 1 based on the management program P2 (step S1).
- the operation management proxy unit 14C of the engine ECU 14 periodically determines whether or not the work machine ECU 21 has failed (step S2), and when the failure of the work machine ECU 21 is not detected (step S2). : NO), the management of the operation state by the work machine ECU 21 is continued.
- management program P2 is acquired from electronic device 30 by management program acquisition unit 14B of engine ECU 14, and this management program P2 is stored in ROM of engine ECU 14. (Step S3).
- the operation management proxy unit 14C of the engine ECU 14 executes the management program P2 acquired in step S3 to start the management of the operation state of the snowplow 1 (step S4).
- the operation management proxy unit 14C acquires a signal output from the operation device 26, and according to this signal, the above-described travel management, transmission management, snow removal management, snow throwing direction management, auger attitude management, Rotational speed management, snow removal mode management, and display management are executed.
- the engine ECU 14 performs the management of the operation state performed by the work machine ECU 21. Therefore, the user of the snow removal machine 1 can continue the snow removal work.
- the timing at which the management program acquisition unit 14B acquires the management program P2 from the electronic device 30 is not limited to the timing at which a failure of the work machine ECU 21 is detected.
- the management program P2 may be acquired at any timing when the engine ECU 14 is activated or during a period in which the work machine ECU 21 is managing the operating state.
- operation management proxy unit 14C may perform only some of the management items instead of all the management items of the operation state performed by the work machine ECU 21.
- step S4 of FIG. 3 the operation management agent 14C performs management items (specifically, travel management and transmission management) required for movement of the snowplow 1 and part of display management (specifically, Performs control to turn on the failure notification lamp.
- management items specifically, travel management and transmission management
- part of display management specifically, Performs control to turn on the failure notification lamp.
- the operation management proxy unit 14C may control the number of management items to be substituted in accordance with the processing load of the processor of the engine ECU 14.
- the processing load of the processor of the engine ECU 14 is obtained from, for example, the usage rate of the RAM built in the engine ECU 14.
- the operation management agent 14C sets three threshold values TH1, a threshold value TH2 larger than the threshold value TH1, and a threshold value TH3 larger than the threshold value TH2 for the processing load of the processor of the engine ECU 14.
- the operation management proxy unit 14C performs all management items performed by the work implement ECU 21 when the processing load of the processor of the engine ECU 14 is less than the threshold value TH1.
- the operation management agent 14C when the processing load of the processor of the engine ECU 14 is equal to or greater than the threshold value TH1 and less than the threshold value TH2, among the management items performed by the work machine ECU 21, is a management item (specifically, required for advanced snow removal work).
- a management item specifically, required for advanced snow removal work.
- part of display management specifically, control to turn on the failure notification lamp
- the operation management agent 14C when the processing load of the processor of the engine ECU 14 is not less than the threshold value TH2 and less than the threshold value TH3, among the management items performed by the work implement ECU 21, is a management item (specifically necessary for snow removal work). Specifically, a part of the display management (specifically, the control for lighting the failure notification lamp) is performed on behalf of the travel management, transmission management, snow removal management, and auger attitude management).
- the operation management agent unit 14C manages items (specifically, management items required for the movement of the snowplow 1 among the management items performed by the work machine ECU 21). Acts as part of display management (specifically, control for turning on the failure notification lamp).
- the operation management proxy unit 14C can prevent the performance of the engine ECU 14 from being lowered by changing the number of management items to be substituted in accordance with the processing load of the processor of the engine ECU 14, and the snow removal machine 1 It is possible to operate smoothly.
- FIG. 4 is a diagram showing a modification of the functional block of the engine ECU 14 shown in FIG. In FIG. 4, the same components as those in FIG.
- the engine ECU 14 shown in FIG. 4 functions as an engine control unit 14A, a management program acquisition unit 14B, an operation management proxy unit 14E, and a performance data storage unit 14D when the processor executes the control program P1.
- the result data storage unit 14D acquires the result data indicating the results of operation state management by the work machine ECU 21 from the work machine ECU 21, and stores the result data in the ROM of the engine ECU 14.
- the work unit ECU 21 performs control of the signal output from the travel clutch lever and the forward / reverse speed adjustment when performing the travel management and the transmission management which are management items necessary for the movement of the snowplow 1.
- the details of the control performed on the signal output from the lever are transmitted to the engine ECU 14 as performance data.
- the operation management agency 14E has the same function as the operation management agency 14C shown in FIG. However, the operation management agent 14E detects a failure of the work machine ECU 21 in a state where the management program P2 is not stored in the ROM by the management program acquisition unit 14B, and communicates with an external device via the communication I / F 13. Is not possible (in the case where the management of the operation state according to the management program P2 is not possible), the operation state management of the snowplow 1 is performed based on the result data stored in the ROM by the result data storage unit 14D. On behalf of
- FIG. 5 is a flowchart for explaining the operation of the snowplow 1 including the engine ECU 14 shown in FIG.
- the work machine ECU 21 starts managing the operation state of the snowplow 1 based on the management program P2 (step S11).
- step S12 When traveling management and transmission management are performed by the work implement ECU 21, the performance data of these management is transmitted from the work implement ECU 21 to the engine ECU 14, and this performance data is stored in the ROM of the engine ECU 14 by the performance data storage unit 14D of the engine ECU 14. Stored (step S12).
- step S13 When management of the operating state is started by the work implement ECU 21, the operation management proxy unit 14E of the engine ECU 14 periodically determines whether or not the work implement ECU 21 is out of order (step S13). When failure of work implement ECU21 is not detected (step S13: NO), management of the operation state by work implement ECU21 is continued.
- step S13 when a failure of the work implement ECU 21 is detected (step S13: YES), it is determined by the operation management proxy unit 14E whether or not the management program acquisition unit 14B can acquire the management program P2. (Step S14).
- the radio wave intensity required for communication using the communication I / F 13 is weak and communication with an external device cannot be performed, the radio wave intensity is strong but the electronic device 30 does not exist in the vicinity, or the management program P2 is provided. When it is not possible to access a certain server, it is determined that the management program P2 cannot be acquired.
- step S14 When it is determined that communication with the electronic device 30 is possible and the management program P2 can be acquired (step S14: YES), the management program P2 is acquired by the management program acquisition unit 14B (step S15). . Then, the operation management proxy unit 14E executes the management program P2 acquired in step S15, and starts the management of the operation state of the snowplow 1 (step S16).
- step S14 NO
- the operation management proxy unit 14E performs the travel management and transmission of the snowplow 1 based on the result data stored in the ROM in step S12. Management surrogate is started (step S17).
- the operation management proxy unit 14E refers to the performance data and performs control corresponding to this signal (drive of the assist motor). Further, for example, when a signal instructing forward and high-speed travel is output from the forward / reverse speed adjusting lever, the operation management agent 14E refers to the result data and performs control corresponding to this signal (transmission motor Drive).
- the operation management proxy unit 14E does not control this signal.
- a signal output from the snow removal clutch button and performance data indicating control contents of the auger clutch motor and the blower clutch motor according to the signal may be stored in the ROM of the engine ECU 14. In this case, even if the work machine ECU 21 breaks down, at least snow removal work can be performed.
- a snowplow is taken as an example of a work machine, but the general-purpose engine control device of the present invention is applicable to any work machine that uses a general-purpose engine as a power source and is equipped with an ECU.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Human Computer Interaction (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
作業機ECU21は、走行開始指示を示す信号が走行クラッチレバーから出力されると、アシスト用モータを駆動して走行クラッチをトランスミッションに接続する。作業機ECU21は、走行停止を示す信号が走行クラッチレバーから出力されると、アシスト用モータを駆動して走行クラッチをトランスミッションから離間させる。
作業機ECU21は、走行方向(前進又は後進)及び走行速度を指示する信号が前後進速度調節レバーから出力されると、トランスミッション用モータを駆動して、指示に応じた状態となるようにトランスミッションを制御する。
作業機ECU21は、除雪開始を指示する信号が除雪クラッチボタンから出力されると、オーガクラッチ用モータとブロアクラッチ用モータを駆動してオーガとブロアを作動状態に制御する。作業機ECU21は、除雪停止を指示する信号が除雪クラッチボタンから出力されると、オーガクラッチ用モータとブロアクラッチ用モータを駆動してオーガとブロアを停止状態に制御する。
作業機ECU21は、シュータの向きを指示する信号が投雪方向調節レバーから出力されると、シュータ用モータを駆動してシュータの向きを変更する。
作業機ECU21は、オーガハウジングの姿勢を指示する信号がオーガ調節レバーから出力されると、オーガハウジング用モータを駆動してオーガハウジングの向きを変更する。
作業機ECU21は、汎用エンジン11の回転数を指示する信号がエンジン回転調節レバーから出力されると、指示された回転数で汎用エンジン11を動作させる指令をエンジンECU14に対して行う。エンジンECU14は、この指令を受けると、エンジン回転数が指示された回転数となるように汎用エンジン11を制御する。
作業機ECU21は、運転モードとして自動モードの設定を指示する信号がモード切替ボタンから出力されると、除雪作業の負荷に応じて走行装置22による除雪機1の走行速度を制御し、かつ、運転状況に応じたエンジン回転数となるようにエンジンECU14に指令を出す。
作業機ECU21は、エンジンECU14から通知されるエンジンオイルの残量情報に基づいてオイル警告灯の点灯制御を行ったり、バッテリの状態に基づいて充電警告灯又はバッテリ警告灯の点灯制御を行ったり、除雪機1のハードウェアに故障が発生した場合に故障通知灯を点灯させる制御を行ったりする。
10 エンジン装置
11 汎用エンジン
13 通信インタフェース
14 エンジンECU
14A エンジン制御部
14B 管理プログラム取得部
14C,14E 運転管理代行部
14D 実績データ記憶部
P1 制御プログラム
20 本体部
21 作業機ECU
22 走行装置
23 集雪装置
24 投雪装置
25 表示装置
26 操作装置
P2 管理プログラム
30 電子機器
40 バス
Claims (4)
- 作業機の動力源として使用可能な汎用エンジンの制御装置であって、
前記汎用エンジンを動力源とする作業機に含まれる当該作業機の運転状態を管理する運転管理部と通信可能に構成され、前記運転管理部からの指令に基づいて前記汎用エンジンの制御を行うエンジン制御部と、
外部機器と通信を行うための通信インタフェースと、
前記運転管理部が前記運転状態の管理を行うための管理プログラムを、前記外部機器から前記通信インタフェースを介して取得して記憶媒体に記憶する管理プログラム取得部と、
前記運転管理部の故障を検知した場合に、前記記憶媒体に記憶されている前記管理プログラムにしたがって前記作業機の運転状態の管理を前記運転管理部の代わりに行う運転管理代行部と、を備える汎用エンジンの制御装置。 - 請求項1記載の汎用エンジンの制御装置であって、
前記作業機が運転されている状態において、前記運転管理部による管理実績を示す実績データを記憶媒体に記憶する実績データ記憶部を更に備え、
前記運転管理代行部は、前記管理プログラム取得部による前記管理プログラムの記憶が未実施の状態で前記運転管理部の故障を検知しかつ前記外部機器との通信が不可の場合に、前記実績データ記憶部によって記憶された前記実績データに基づいて前記作業機の運転状態の管理を行う汎用エンジンの制御装置。 - 請求項1又は2記載の汎用エンジンの制御装置であって、
前記運転管理代行部は、前記管理プログラムにしたがって前記運転状態の管理を行う場合に、前記運転状態の管理項目のうちの一部の項目の管理のみを前記運転管理部の代わりに行う汎用エンジンの制御装置。 - 請求項1又は2記載の汎用エンジンの制御装置であって、
前記運転管理代行部は、前記管理プログラムにしたがって前記運転状態の管理を行う場合に、前記運転状態の管理項目のうち前記運転管理部の代わりに行う前記管理項目の数を、前記制御装置の処理負荷が閾値以上の場合には、前記処理負荷が前記閾値未満の場合よりも少なくする汎用エンジンの制御装置。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112017007376.6T DE112017007376T5 (de) | 2017-03-31 | 2017-03-31 | Steuervorrichtung für Universalmotor |
| JP2017562108A JP6515208B2 (ja) | 2017-03-31 | 2017-03-31 | 汎用エンジンの制御装置 |
| BR112019003269A BR112019003269A2 (pt) | 2017-03-31 | 2017-03-31 | dispositivo de controle de motor de propósito geral |
| EP17903114.1A EP3591196B1 (en) | 2017-03-31 | 2017-03-31 | General-purpose engine control apparatus |
| CN201780047923.4A CN109563783B (zh) | 2017-03-31 | 2017-03-31 | 通用发动机的控制装置 |
| PCT/JP2017/013855 WO2018179446A1 (ja) | 2017-03-31 | 2017-03-31 | 汎用エンジンの制御装置 |
| US16/328,828 US10989159B2 (en) | 2017-03-31 | 2017-03-31 | Control device of general-purpose engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/013855 WO2018179446A1 (ja) | 2017-03-31 | 2017-03-31 | 汎用エンジンの制御装置 |
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| Publication Number | Publication Date |
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| WO2018179446A1 true WO2018179446A1 (ja) | 2018-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2017/013855 Ceased WO2018179446A1 (ja) | 2017-03-31 | 2017-03-31 | 汎用エンジンの制御装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10989159B2 (ja) |
| EP (1) | EP3591196B1 (ja) |
| JP (1) | JP6515208B2 (ja) |
| CN (1) | CN109563783B (ja) |
| BR (1) | BR112019003269A2 (ja) |
| DE (1) | DE112017007376T5 (ja) |
| WO (1) | WO2018179446A1 (ja) |
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| CN109563783B (zh) * | 2017-03-31 | 2021-10-01 | 本田技研工业株式会社 | 通用发动机的控制装置 |
| CN111208754A (zh) * | 2019-12-25 | 2020-05-29 | 潍柴动力股份有限公司 | 控制发动机正常运行的方法及装置 |
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- 2017-03-31 CN CN201780047923.4A patent/CN109563783B/zh not_active Expired - Fee Related
- 2017-03-31 JP JP2017562108A patent/JP6515208B2/ja not_active Expired - Fee Related
- 2017-03-31 WO PCT/JP2017/013855 patent/WO2018179446A1/ja not_active Ceased
- 2017-03-31 DE DE112017007376.6T patent/DE112017007376T5/de not_active Withdrawn
- 2017-03-31 BR BR112019003269A patent/BR112019003269A2/pt not_active Application Discontinuation
- 2017-03-31 US US16/328,828 patent/US10989159B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| DE112017007376T5 (de) | 2019-12-05 |
| EP3591196A4 (en) | 2020-03-11 |
| US20190211795A1 (en) | 2019-07-11 |
| EP3591196A1 (en) | 2020-01-08 |
| CN109563783A (zh) | 2019-04-02 |
| EP3591196B1 (en) | 2021-05-05 |
| BR112019003269A2 (pt) | 2019-06-04 |
| JPWO2018179446A1 (ja) | 2019-04-04 |
| US10989159B2 (en) | 2021-04-27 |
| JP6515208B2 (ja) | 2019-05-15 |
| CN109563783B (zh) | 2021-10-01 |
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