EP3276579A1 - Procédé et système de détermination d'un état de charge, notamment d'un véhicule agricole - Google Patents

Procédé et système de détermination d'un état de charge, notamment d'un véhicule agricole Download PDF

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Publication number
EP3276579A1
EP3276579A1 EP17174929.4A EP17174929A EP3276579A1 EP 3276579 A1 EP3276579 A1 EP 3276579A1 EP 17174929 A EP17174929 A EP 17174929A EP 3276579 A1 EP3276579 A1 EP 3276579A1
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EP
European Patent Office
Prior art keywords
value
load
vehicle
determined
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17174929.4A
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German (de)
English (en)
Inventor
Jan Carsten Wieckhorst
Christian Ehlert
Thomas Gohde
Christian Birkmann
Klaus Ellermann
Florian BALBACH
Ralf MÜLLER
Eberhard Nacke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Claas Tractors SAS
Original Assignee
Claas Tractors SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Claas Tractors SAS filed Critical Claas Tractors SAS
Publication of EP3276579A1 publication Critical patent/EP3276579A1/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/006—Indicating maintenance
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction

Definitions

  • the invention relates to a method and a system for determining a load condition of a, in particular agricultural, vehicle according to the independent claims 1 and 11.
  • a method for detecting, displaying and registering service intervals of a motor vehicle is known.
  • its operating media for example oil or windshield washer fluid
  • a control device an entry with characteristic parameters is maintained for each wearing part and operating media to be monitored, which, in addition to data on the original state, also contain parameters which are characteristic of a specific wear and / or aging. If in a comparison a measured parameter has a predetermined degree of deviation from the corresponding characteristic parameter, a corresponding maintenance action is required, which is indicated by a signal.
  • This method allows timely maintenance of a machine or its components to avoid failure of the machine. An evaluation of the current load condition of a machine or a vehicle based on the loads incurred in the previous work is not possible with the method.
  • the evaluation unit determines a load value based on the actual load of at least one, in particular selectable, component of the vehicle based on at least one sensor signal and / or at least one parameter, compares the determined load value with a stored reference value, and determined based on the comparison of the Load value with the reference value, a state value for the component, which is representative of the current load state of the component.
  • the continuously and / or discontinuously determined state value of the component is an objective statement about its technical load state, on the basis of which a statement about the previous load and in particular an objective statement about the expected service life of the component can be made possible. It is also possible due to the determined load condition of the component to make an improved statement about the probability of failure of the component.
  • the load values and / or state values of a plurality of, in particular selectable, components are combined to form a load value and / or a state value for the entire vehicle.
  • determining a load and / or condition value for the entire vehicle an improved statement about the current state and in particular the expected service life of the vehicle can be made.
  • the determined load and / or state values for the entire vehicle are based on the values of individual components, as a result of which a load-based and / or status-value-based selection of a vehicle for future work assignments can take place. This allows vehicles to be more evenly loaded, thus allowing a longer service life.
  • a design value, a value determined by simulation and / or an empirically determined value is used as the reference value.
  • Design values which serve as a reference value for the determined load values, correspond to the requirements and / or load cycles underlying the design of the component. These have the advantage that the values already exist and can be used without further time-consuming and expensive experiments. By using simulation values and / or empirically determined reference values, the accuracy of the determined load condition can be further improved.
  • the load values and / or state values of individual components are weighted, in particular in the case of a summary of a load value and / or state value for the entire vehicle.
  • the weighting of individual and / or all loading and / or condition values makes it possible to take account of special load situations in which, for example, individual components which can cause high repair costs are particularly heavily loaded.
  • the parameters used are a period of time, operating hours, an operator input, an operating event, and / or maintenance data for individual components and / or the entire vehicle.
  • the consideration of parameters allows a further improvement of the accuracy of the determined load condition of a component and / or the entire vehicle.
  • load values and / or state values are determined for a definable period of time and / or over the service life of the vehicle and / or at least one, in particular selectable, component.
  • the determination of the load for a definable period allows a more detailed determination of the load, for example, for certain work of the vehicle. Since loads on the vehicle and / or individual components are also subject to wear and resulting in costs, costs can be allocated by the time-related load values and / or state values to specific work and / or periods of time.
  • a change in the state value of at least one, in particular selectable component and / or the entire vehicle is determined and displayed.
  • effects of a load of the vehicle such as the life or the time to a necessary maintenance, especially during the execution of the work can be displayed.
  • a determined load value is compared with a stored limit value and / or an approximation value, and an indication of this is output upon reaching and / or exceeding the limit value and / or the approximate value.
  • an indication of this is output upon reaching and / or exceeding the limit value and / or the approximate value.
  • a monetary evaluation of the entire vehicle and / or individual components is performed and a currency-based value is determined. Additional parameters such as a purchase price, repair costs or used vehicle prices can be taken into account for the monetary valuation. This has the advantage that based on the actual, objectively recorded load condition of the vehicle, for example, a reasonable resale price can be found.
  • the invention relates to a system for determining a load condition of a, in particular agricultural, vehicle having a plurality of components, a sensor system for generating at least one sensor signal, and a rating unit for detecting and processing sensor signals and at least one additional parameter.
  • the evaluation unit based on the actual load based load value of at least one, in particular selectable, component of the vehicle determined on at least one sensor signal and / or at least one parameter, the determined load value is comparable to a stored reference value, and based on the comparison of the load value with the reference value, a state value for the component is determined, which is representative of the current load state of the component.
  • the continuously and / or discontinuously determined state value of the component is an objective statement about its technical load condition, on the basis of which a statement about the previous load and in particular an objective statement about the expected service life of the component can be made possible.
  • the invention furthermore relates to a vehicle, in particular an agricultural vehicle, having a system designed as described above for determining a load condition, in particular by means of a method according to a method as described above.
  • Fig. 1 is an agricultural vehicle 10 in the form of a tractor shown schematically from the side, the basic structure of a tractor than that Specialist is accepted.
  • An agricultural vehicle 10 within the meaning of the invention can be any vehicle that can be used for agricultural work, for example a tractor, a truck or a self-propelled harvester.
  • the tractor has a driver's cab 12 for receiving an operator, wherein an operator terminal 14 for displays and inputs of the operator for operating the agricultural vehicle 10 is arranged within the driver's cab 12.
  • the tractor has a plurality of ground engaging means in the form of wheels arranged on a front axle 16 and a rear axle 18.
  • the wheels are driven via a drive train 20 by a drive motor 22, which is designed in the form of an internal combustion engine, and a cooperating with this gear 24.
  • the transmission 24 can be designed in the form of a hydraulically-mechanically power-split transmission, which has hydrostatic drives 26 in the hydraulic power branch.
  • An output torque of the transmission 24 is transmitted via the drive train 20, which is shown schematically, to the wheels, wherein the illustrated agricultural vehicle 10 is an all-wheel drive vehicle.
  • a PTO shaft 28 is also driven, which can serve in the illustrated embodiment, the drive of a rear side arranged on the tractor attachment.
  • the vehicle 10 For supplying the vehicle 10 and / or a working device with hydraulic energy, the vehicle 10 has a hydraulic system 30.
  • the vehicle on the rear side a rear linkage 32 and a drawbar 34.
  • the individual components of the vehicle 10 each represent a component 36, for example, the front and rear axle 16,18, the drive train 20, the drive motor 22, the gear 24, the PTO 28 or the hydraulic system 30.
  • the vehicle 10 also has a Sensor system 38, which comprises at least one sensor.
  • the sensor system 38 of the illustrated vehicle 10 in addition to speed sensors 40 and torque sensors 42, which are arranged, inter alia, on the front and rear axle 16, 18, the gear 24, and the PTO shaft 28, also a tensile force sensor 44 on the drawbar 34.
  • the sensor system 38 includes temperature sensors 46, for example, to measure an oil temperature of the drive motor 22 and / or the transmission 24, and a pressure sensor 48, which measures the pressure generated by the hydraulic pump 30.
  • a pressure sensor 48 which measures the pressure generated by the hydraulic pump 30.
  • For collection and processing of the sensor system 38 generated sensor signals is provided connected to the sensor system 38 evaluation unit 50 which may be spaced from or integrated into the control unit 14 may be arranged.
  • the evaluation unit 50 determines a load value W B of at least one component 36 based on the actual load.
  • This component 36 can be selected in order, for example, to record particularly heavily loaded components 36 depending on the work input.
  • the determination of the load value W B is based on at least one sensor signal s, which is generated by the sensor system 38, and / or at least one parameter P.
  • a state value Wz for the considered component 36 can be determined, which is representative of the current load state of the component 36.
  • the determined load state includes not only wear of the component 36, for example by material removal, but also, for example, a material fatigue, the component 36, which would be difficult to detect especially by a superficial examination.
  • an overall load condition W ZF for the entire vehicle 10 can be determined.
  • FIG. 2 a sequence of the method for determining a load condition of a vehicle 10 in the form of a tractor is shown.
  • the method can be carried out, in particular automatically, continuously or discontinuously, in particular at predeterminable times.
  • the tractor 10 has a plurality of components 36, such as the drive motor 22 and the transmission 24. During operation of the vehicle 10, these components 36 are subjected to a load, which may be caused for example by the use of an attached to the vehicle 10 implement 52 , By means of the sensor system 38 of the vehicle 10, sensors assigned to the individual components 36 can generate sensor signals s corresponding to a load on the respective component 36.
  • the components 36 to be considered are to be selected.
  • all available components 36 can be selected and, for example be continuously considered, for example, to be able to determine the most accurate load condition of the vehicle 10 over its lifetime. It is also conceivable to select certain components 36, for example, depending on the type of use of the vehicle 10, and to determine their load condition continuously, for a specific period of time, or discontinuously. As a result, for example, maintenance work for particularly heavily loaded components 36 can be better planned.
  • a load value W B is then determined in each case based on at least one sensor signal s and / or at least one parameter P.
  • the evaluation unit 50 can detect sensor signals s from sensors which detect, for example, an input and output rotational speed of the transmission 24, a transmission oil temperature and / or torques acting in the transmission 24.
  • the sensor signals s are converted by the evaluation unit 50 into load values W B usable for a comparison with reference values W R , for example into a torque / time profile or the duration of a load with a torque above a predetermined value.
  • a reference value W R for the load value W B of a component 36 may be a theoretical design value W RA , which was based on the construction of the relevant component 36, a reference value W RS determined by simulation and / or an empirically determined reference value W RE .
  • These reference values W R in particular the empirically determined values W RE , can be generated, for example, by telematics systems on a work machine or on a fleet of work machines and / or from large data quantities, so-called big data.
  • the evaluation unit 50 can also use parameters P for determining a load value W B of a component 36.
  • Parameter P can thereby definable periods of time t, the theoretical life T is designed for the one component 36 or the vehicle 10, operating hours t B , an operator input P B , maintenance data Pw individual components 36 and / or the entire vehicle 10, and / or Operating event P E such as particularly heavy load changes, gear shift 24 or accident damage.
  • the determined load values W B for each selected component 36 are then each compared with a corresponding reference value W R.
  • the reference value W R can be stored in the evaluation unit 50. Based on the comparison, the evaluation unit 50 then determines 100 a state value W ZK for each selected component 36 which is representative of the current load state of the respective component 36.
  • a load state W ZK of the drive motor 22, the transmission 24, the PTO shaft 28 or the hydraulic system 30 can be determined and displayed.
  • the state value W ZK of a component 36 can be specified as a relative value and / or absolute value, for example in the form of an hour counter for the remaining operating hours, for example up to a maintenance measure.
  • a state value W ZK of a component 36 may indicate the remaining number of operating hours up to its theoretical end of life based on the construction design, whereby a replacement time of this component 36 can be better planned.
  • a mere change of the relevant value can be displayed, for example, continuously or by retrieval by an operator, whereby the influence of a performed operation of the vehicle 10 on the load value W B and / or the state value Wz can be displayed directly to an operator.
  • an indication to an operator can be output by comparing the current load value W B with a limit value W BG , for example in the evaluation unit 50, in order to overload the component 36 to avoid.
  • the state values W ZK of the selected components 36 are combined to form a state value W ZF of the entire vehicle 10.
  • the relevant state value W ZK can be reset to an initial value.
  • the relevant state value W ZK of the used used component can be adapted to its state of use.
  • individual state values W ZK can be weighted, for example depending on how high the repair costs of the individual components 36 would be.
  • the state value W IF of the entire vehicle 10, which is representative of the load state of the vehicle 10, may be, for example, a dimensionless number, which enables an objective assessment of a used vehicle 10, for example, by comparison with a corresponding number of a new vehicle.
  • FIG. 3 is a sequence of determining a load value W B of a component 36, in this case the transmission 24, shown.
  • a load acting on the vehicle 10 causes in the drive motor 22, the gear 24, the PTO 28 and the hydraulic system 30, so the individual components 36 of the vehicle 10, different loads.
  • the sensor system 38 comprises, in addition to a rotational speed sensor 40, a torque sensor 42, a temperature sensor 46, which are associated with the transmission 24.
  • the sensors 40, 42, 46 respectively generate sensor signals S 1 , S 2 , S 3 , which are first of all converted 110, in particular also by means of one or more parameters P such as the operating hours t B , to load values W B comparable to reference values W BR .
  • a fourth load value W B4 for the transmission 24 can be determined on the basis of a parameter P E , which counts, for example as a function of sensor signals S, an occurrence of special operating events. In the illustrated example, this may be a number of exceedances of permissible rotational speeds, operating temperatures or permissible torque values. Operating events P E can also be determined and recorded independently of the sensor signals S.
  • the determined load values W B1 , 2 , 3 , 4 are subsequently compared by the evaluation unit 50 with corresponding reference values W BR in order to determine a state value W ZK of the "transmission" component 100, which is representative of the current load state of the transmission 24.
  • further parameters P can be taken into account. These parameters P may be, for example, maintenance data Pw, which information about maintenance times or maintenance, or operator inputs P B , for example, with information about a used implement, be.
  • Condition values WZ for further components 36 can be determined accordingly.
  • the determined state value W ZK of the transmission 24 can then be used to determine the state value W ZF of the entire vehicle 10.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
EP17174929.4A 2016-07-29 2017-06-08 Procédé et système de détermination d'un état de charge, notamment d'un véhicule agricole Withdrawn EP3276579A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016114048.1A DE102016114048A1 (de) 2016-07-29 2016-07-29 Verfahren und System zur Bestimmung eines Belastungszustandes eines, insbesondere landwirtschaftlichen, Fahrzeuges

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EP3276579A1 true EP3276579A1 (fr) 2018-01-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112067305A (zh) * 2020-07-27 2020-12-11 洛阳西苑车辆与动力检验所有限公司 农业装备整机用发动机加载试验设施及试验检测方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11482059B2 (en) 2020-04-23 2022-10-25 Zoox, Inc. Vehicle health monitor
CN115428046A (zh) * 2020-04-23 2022-12-02 祖克斯有限公司 车辆健康监控器
US11842580B2 (en) 2020-04-23 2023-12-12 Zoox, Inc. Predicting vehicle health
US11521438B2 (en) 2020-04-23 2022-12-06 Zoox, Inc. Using sound to determine vehicle health
RU2771551C1 (ru) * 2021-11-22 2022-05-05 Федеральное государственное казенное военное образовательное учреждение высшего профессионального образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулёва" Министерства обороны Российской Федерации Способ дистанционной автоматизированной диагностики технического состояния коробки переключения передач военной автомобильной техники

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DE10029634A1 (de) 2000-06-15 2001-12-20 Volkswagen Ag Kontrollverfahren für die Wartung eines Kraftfahrzeuges
DE10321529A1 (de) * 2003-05-14 2004-12-02 Zf Friedrichshafen Ag Verfahren zur Fahrdatenauswertung
DE102014224447A1 (de) * 2013-12-03 2015-06-03 Continental Brasil Indústria Automotiva Ltda. Elektronisches System zur Installation in einem Kraftfahrzeug und Verfahren zur Datenverarbeitung für ein Kraftfahrzeug
DE102015008725A1 (de) * 2015-07-04 2016-03-24 Daimler Ag Verfahren zum Ermitteln eines Zustands eines Fahrzeugs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10029634A1 (de) 2000-06-15 2001-12-20 Volkswagen Ag Kontrollverfahren für die Wartung eines Kraftfahrzeuges
DE10321529A1 (de) * 2003-05-14 2004-12-02 Zf Friedrichshafen Ag Verfahren zur Fahrdatenauswertung
DE102014224447A1 (de) * 2013-12-03 2015-06-03 Continental Brasil Indústria Automotiva Ltda. Elektronisches System zur Installation in einem Kraftfahrzeug und Verfahren zur Datenverarbeitung für ein Kraftfahrzeug
DE102015008725A1 (de) * 2015-07-04 2016-03-24 Daimler Ag Verfahren zum Ermitteln eines Zustands eines Fahrzeugs

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112067305A (zh) * 2020-07-27 2020-12-11 洛阳西苑车辆与动力检验所有限公司 农业装备整机用发动机加载试验设施及试验检测方法

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