CN103353755B - Retired car engine electronic control module automatic detection device and method - Google Patents
Retired car engine electronic control module automatic detection device and method Download PDFInfo
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- CN103353755B CN103353755B CN201310275775.5A CN201310275775A CN103353755B CN 103353755 B CN103353755 B CN 103353755B CN 201310275775 A CN201310275775 A CN 201310275775A CN 103353755 B CN103353755 B CN 103353755B
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Abstract
A kind of retired car engine electronic control module automatic detection device and method, this device comprises clamping fixture table, signal imitation system, signal process box, gas pedal, lock core and key, fuel injector, air throttle and panel board, wherein, signal imitation system produces according to the motor car engine operating mode of setting and exports analog sensor signal and analog switch signal, and calculate acquisition standard executive signal, tested retired car engine electronic control module is carried out calculating to analog sensor signal and analog switch signal and is obtained tested simulation executive signal, signal imitation system is by recording and showing the change response correctness to analog sensor signal and analog switch signal, this standard executive signal and tested simulation executive signal are compared, make the judgement whether tested retired car engine electronic control module is qualified.The present invention can detect retired engine electronic control system module comprehensively quickly and accurately automatically, has that efficiency is high, the feature of environmental protection good, advantage simple to operate.
Description
Technical field
What the present invention relates to is a kind of pick-up unit and method of electronic unit, and in particular a kind of harmless high-efficient automatic pick-up unit of retired car engine electronic control module and detection method, belong to electronic product recovery and reuse technology field.
Background technology
Expect 2017, the automobile had more than 7,780,000 needs to scrap by China, and to the year two thousand twenty, abandoned car will reach 9,950,000.Visible, the quantity of annual China retired engine electronic control system module will be surprising in the near future.At present, China does not generally process separately for retired car engine electronic control module, but cuts packing Hou Song iron and steel enterprise with vehicle body and melt down, or carries out landfill disposal.Because car engine electronic control module is containing poisonous and harmful substance, therefore serious pollution can be produced to environment to the low value-added way of recycling that it carries out MAT'L recycling by electron wastes.The reliability of car engine electronic control module is very high, and the designed life of its components and parts is generally 500,000 hours, but the real working time is still less than 1/5th of its designed life.Therefore, after automobile is retired, engine electronic control system module also has very long residual life, can accomplish that high added value recycles completely.In order to realize the high added value recycling of retired engine electronic control system module, re-manufacturing technology just arises at the historic moment.What is called manufactures exactly by after disassembling, clean, detect the series of process such as classification, reprocessing, assembling again, makes retired engine electronic control system module have the quality and performance even exceeding new product.Detection is again sport technique segment most crucial in manufacture process, it is the core process step of retired engine electronic control system module note added value recycling, it is the basic assurance of quality of manufacturing a product again, it should through the overall process of product remanufacturing, whether can realize detecting accurately, directly determine retired engine electronic control system module and can realize high assignments recycling.
Car engine electronic control module is the core of automobile engine control system, it carries out computing according to various sensor signal and switching signal, result is flowed to actuator, to realize comprising the optimum control that fuel oil sprays (EFI) control, igniting (ESA) control, idle speed control (ISC), emission control, CAN communication etc.Therefore, the function of car engine electronic control module is various, control program is complicated, thus causes that its detection difficult, sense cycle are long, testing cost is high.Thus accurately, comprehensively and to raise the efficiency be the technology Focal point and difficult point of retired car engine electronic control module testing.So far not yet find domesticly have the research work carrying out retired car engine electronic control module context of detection.
Find by prior art documents, not yet find the bibliographical information identical or similar with present subject matter so far.
Summary of the invention
The object of the invention is to the blank filling up prior art, a kind of automatic detection device for retired car engine electronic control module and method are provided, the harmless high-efficient automatic realizing retired electronic module detects, reach the effect improving detection efficiency, reduction labour intensity and testing cost, minimizing environmental pollution, meet the needs of retired engine electronic control system module high assignments recycling better.
The present invention is achieved by the following technical solutions:
A kind of retired car engine electronic control module automatic detection device, it comprises:
Clamping fixture table, sandwiched and connect tested retired car engine electronic control module, to transmit the input and output signal of this tested retired car engine electronic control module;
Signal imitation system, motor car engine operating mode according to setting produces and exports analog sensor signal and analog switch signal, calculating acquisition standard executive signal is carried out to this analog sensor signal and analog switch signal simultaneously, and respond by recording and showing the change of executive signal to analog sensor signal and analog switch signal, that is come with transmission by this standard executive signal calculates through tested retired car engine electronic control module the tested simulation executive signal obtained and compares, make the whether qualified judgement of tested retired car engine electronic control module and show,
Signal process box, transmitted signal is nursed one's health, its one end is connected with described clamping fixture table, the other end is connected with described signal imitation system, the analog sensor signal export described signal imitation system and analog switch signal are transferred to described tested retired car engine electronic control module by clamping fixture table, and the tested simulation executive signal that this tested retired car engine electronic control module calculates acquisition is transferred to described signal imitation system;
Gas pedal, connects described signal imitation system and provides the true accelerator pedal position signal of the different operating mode of motor car engine;
Lock core and key, connect described clamping fixture table, controls startup and the closedown of tested retired car engine electronic control module;
Fuel injector, connects described clamping fixture table, carries out true oil spout according to described tested simulation executive signal;
Air throttle, connects described clamping fixture table, shows the true throttle opening of different operating mode according to described tested simulation executive signal;
Panel board, connects described clamping fixture table, shows the actual revolution value of different operating mode according to described tested simulation executive signal.
Described signal imitation system comprises display and industrial computer, this industrial computer is connected with described display, signal process box and gas pedal respectively, this display shows described analog sensor signal, analog switch signal, standard executive signal and tested simulation executive signal, and show the change response to analog sensor signal and analog switch signal of standard executive signal and tested simulation executive signal, and the comparative result of display standard executive signal and tested simulation executive signal.
Described analog sensor signal includes air flow sensor signal, intake air temperature sensor signal, cooling-water temperature sensor signal, intake pressure sensor signal, engine load sensor signal, tail gas oxygen level sensor signal, knock sensor signal, top dead center position sensor signal, CRANK SENSOR and vehicle speed sensor signal.
Described analog switch signal includes ignition switch signal, neutral starting switch signal, Idle Switch signal, full load switch signal and air-conditioning request signal.
Described standard executive signal and tested simulation executive signal include each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal respectively.
The motor car engine operating mode of described setting refers to the dense and little loading condition of high temperature, combination gas, or low temperature, combination gas are rare and heavy load condition.
Another technical scheme of the present invention is:
The retired car engine electronic control module detection method adopting above-mentioned automatic detection device to implement, it comprises following concrete steps:
1) set motor car engine operating mode and input described signal imitation system;
2) tested retired car engine electronic control module is folded on described clamping fixture table, starts this tested retired car engine electronic control module by lock core and key;
3) described signal imitation system produces analog sensor signal and analog switch signal according to motor car engine operating mode, and is transferred to tested retired car engine electronic control module by described signal process box and clamping fixture table;
4) described tested retired car engine electronic control module carries out the tested simulation executive signal of calculating acquisition to the analog sensor signal of input and analog switch signal, this tested simulation executive signal is transferred to described signal imitation system by described clamping fixture table and signal process box and is transferred to fuel injector respectively by described clamping fixture table and carries out true oil spout, be transferred to the true throttle opening that described air throttle shows different operating mode, be transferred to the actual revolution value that described panel board shows different operating mode;
5) described signal imitation system carries out calculating acquisition standard executive signal to the analog sensor signal produced and analog switch signal, and this standard executive signal and tested simulation executive signal is shown;
6) described signal imitation system responds by recording and showing the change of executive signal to analog sensor signal and analog switch signal, this standard executive signal and tested simulation executive signal are compared, makes the whether qualified judgement of tested retired car engine electronic control module and show.
Described step 1) is:
1) set motor car engine operating mode and jointly input described signal imitation system in conjunction with the accelerator pedal position signal that described gas pedal produces.
Described motor car engine operating mode refers to the dense and little loading condition of high temperature, combination gas, or low temperature, combination gas are rare and heavy load condition;
Described step 3) is:
3) described signal imitation system produces analog sensor signal and analog switch signal according to motor car engine operating mode and accelerator pedal position signal, and is transferred to tested retired car engine electronic control module by described signal process box and clamping fixture table.
Described analog sensor signal includes air flow sensor signal, intake air temperature sensor signal, cooling-water temperature sensor signal, intake pressure sensor signal, engine load sensor signal, tail gas oxygen level sensor signal, knock sensor signal, top dead center position sensor signal, CRANK SENSOR and vehicle speed sensor signal; Described analog switch signal includes ignition switch signal, neutral starting switch signal, Idle Switch signal, full load switch signal and air-conditioning request signal; Described standard executive signal and tested simulation executive signal include each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal respectively.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention adopts signal imitation system to complete system simulation to motor car engine, it produces according to the motor car engine operating mode of setting and exports analog sensor signal and analog switch signal, and calculate acquisition standard executive signal, tested retired car engine electronic control module carries out the tested simulation executive signal of calculating acquisition to the analog sensor signal of input and analog switch signal simultaneously, signal imitation system responds correctness by recording and showing the change of executive signal to analog sensor signal and analog switch signal, this standard executive signal and tested simulation executive signal are compared, make the judgement whether tested retired car engine electronic control module is qualified, thus realize comprehensive to retired engine electronic control system module, in real time, graphical detection.The present invention has filled up the blank of core detection technique in retired engine electronic control system module recycling process, ensure that the product quality that retired car engine electronic control module high added value recycles.
2, the present invention can detect retired engine electronic control system module quickly and accurately automatically, and automaticity is high, simple to operate, and detection efficiency is high, can meet the needs of mass detection;
3, the present invention does not operationally produce the material of any contaminated environment, meets the requirement of environmental protection;
4, the present invention makes retired engine electronic control system module achieve high assignments recycling, retired engine electronic control system module is sent iron and steel enterprise to melt down without the need to cutting packing together in company with vehicle body or carries out landfill disposal, efficiently avoid environmental pollution and the wasting of resources.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the Signal transmissions schematic diagram of tested engine electronic control system module in the present invention.
Fig. 3 is detection method process flow diagram of the present invention.
Fig. 4 is operating process schematic diagram of the present invention.
Embodiment
Elaborate to embodiments of the invention below in conjunction with accompanying drawing, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Refer to Fig. 1, illustrate retired car engine electronic control module 10(ECU) be detected object of the present invention, its for automobile retired after disassemble and obtain.Described in the present embodiment, retired car engine electronic control module automatic detection device comprises: clamping fixture table 9, signal imitation system 11, signal process box 8, gas pedal 3, lock core and key 2, fuel injector 4, air throttle 5 and panel board 6.
Described clamping fixture table 9 is in order to clamp tested retired car engine electronic control module 10(ECU) and transmit this tested retired car engine electronic control module 10(ECU) input and output signal; Described tested retired car engine electronic control module 10 is clamped on clamping fixture table 9, and is electrically connected with this clamping fixture table 9, thus is connected with transmission of electric signals with miscellaneous part by clamping fixture table 9.
Described signal imitation system 11 forms the simulation system to the motor car engine comprising the operating mode such as the parts such as bent axle, camshaft, gas pedal and rotating speed, water temperature, admission pressure, pinking, this signal imitation system 11 comprises display 1 and industrial computer 7, and this industrial computer 7 is connected with described display 1, signal process box 8 and gas pedal 3 respectively.
The industrial computer 7 of described signal imitation system 11 produces according to the motor car engine operating mode of setting and exports analog sensor signal and analog switch signal, calculating acquisition standard executive signal is carried out to this analog sensor signal and analog switch signal simultaneously, and respond by recording and showing the change of executive signal to analog sensor signal and analog switch signal, the tested simulation executive signal calculating acquisition through tested retired car engine electronic control module 10 this standard executive signal and transmission come compares, the whether qualified judgement of tested retired car engine electronic control module 10 whether is unanimously made according to its comparative result.The motor car engine operating mode of described setting refers to the dense and little loading condition of high temperature, combination gas, or low temperature, combination gas are rare and heavy load condition.Refer to Fig. 2, described analog sensor signal includes air flow sensor signal, intake air temperature sensor signal, cooling-water temperature sensor signal, intake pressure sensor signal, engine load sensor signal, tail gas oxygen level sensor signal, knock sensor signal, top dead center position sensor signal, CRANK SENSOR and vehicle speed sensor signal etc.Described analog switch signal includes ignition switch signal, neutral starting switch signal, Idle Switch signal, full load switch signal and air-conditioning request signal etc.Described standard executive signal and tested simulation executive signal include each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal etc. respectively.
The display 1 of described signal imitation system 11 shows described analog sensor signal, analog switch signal, standard executive signal and tested simulation executive signal, and show the change response to analog sensor signal and analog switch signal of standard executive signal and tested simulation executive signal, and the comparative result of display standard executive signal and tested simulation executive signal.
Described signal process box 8 is responsible for conditioning and the transmission of the signal of its transmission, and its one end is connected with described clamping fixture table 9, and the other end is connected with described signal imitation system 11.The analog sensor signal that described signal imitation system 11 exports by described signal process box 8 and analog switch signal are transferred to described tested retired car engine electronic control module 10 by clamping fixture table 9, this tested retired car engine electronic control module 10 calculates according to the sensor signal of input and switching signal, calculate tested simulation executive signal, this tested simulation executive signal is nursed one's health into the collectable signal of information acquisition board in signal imitation system 11 and is transferred to described signal imitation system 11 by described signal process box 8.
Described gas pedal 3 is the true gas pedal used in real vehicle, it connects described signal imitation system 11, and provide the true accelerator pedal position signal of the different operating mode of motor car engine, with the air flow sensor signal in control signal simulation system 11, engine load sensor signal, top dead center position sensor signal and CRANK SENSOR.
Described lock core and key 2 match with tested retired car engine electronic control module 10, be responsible for the antitheft unblock of tested retired car engine electronic control module 10, this lock core and key 2 connect described clamping fixture table 9, control startup and the closedown of tested retired car engine electronic control module 10.
Described fuel injector 4 connects described clamping fixture table 9, and it carries out true oil spout according to described tested simulation executive signal.
Described air throttle 5 is the true air throttle used in real vehicle, and it is connected with described clamping fixture table 9, and this air throttle 5 shows the true throttle opening of different operating mode according to described tested simulation executive signal.
Described panel board 6 is the true panel board used in real vehicle, and it is connected with described clamping fixture table 9, and this panel board 6 shows the actual revolution value of different operating mode according to described tested simulation executive signal.
Refer to Fig. 3, the retired car engine electronic control module detection method adopting automatic detection device of the present invention to implement comprises following concrete steps:
1) set motor car engine operating mode input described signal imitation system 11, described motor car engine operating mode refers to the dense and little loading condition of high temperature, combination gas, or low temperature, combination gas are rare and heavy load condition; If desired, gas pedal 3 described in human users, inputs described signal imitation system 11 by the motor car engine operating mode of setting jointly in conjunction with the accelerator pedal position signal that described gas pedal 3 produces.
2) by tested retired car engine electronic control module 10(ECU) be clamped on described clamping fixture table 9, open lock core and key 2, start this tested retired car engine electronic control module 10 and to be energized work.
3) accelerator pedal position signal that described signal imitation system 11 produces according to the motor car engine operating mode of input and described gas pedal 3 produces analog sensor signal and analog switch signal, and described analog sensor signal includes air flow sensor signal, intake air temperature sensor signal, cooling-water temperature sensor signal, intake pressure sensor signal, engine load sensor signal, tail gas oxygen level sensor signal, knock sensor signal, top dead center position sensor signal, CRANK SENSOR and vehicle speed sensor signal; Described analog switch signal includes ignition switch signal, neutral starting switch signal, Idle Switch signal, full load switch signal and air-conditioning request signal; The analog sensor signal of generation and analog switch Signal transmissions are given tested retired car engine electronic control module 10 by described signal process box 8 and clamping fixture table 9 by this signal imitation system 11.
4) described tested retired car engine electronic control module 10 carries out the tested simulation executive signal of calculating acquisition to the analog sensor signal of input and analog switch signal, and this tested simulation executive signal includes each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal; Tested simulation executive signal is transferred to described signal imitation system 11 by described clamping fixture table 9 and signal process box 8 by described tested simulation executive signal, this tested simulation executive signal is transferred to fuel injector 4 respectively by described clamping fixture table 9 and carries out true oil spout simultaneously, be transferred to the true throttle opening that described air throttle 5 shows different operating mode, and be transferred to the motor car engine actual revolution value that described panel board 6 shows different operating mode.
5) described signal imitation system 11 carries out calculating acquisition standard executive signal to the analog sensor signal produced and analog switch signal, and this standard executive signal includes each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal; This standard executive signal and tested simulation executive signal are shown by described display 1 by described signal imitation system 11.
6) described signal imitation system is by recording and showing the change response to analog sensor signal and analog switch signal of standard executive signal and tested simulation executive signal, this standard executive signal and tested simulation executive signal are compared, makes the judgement whether tested retired car engine electronic control module is qualified; If comparing result is consistent, then judges that this tested retired car engine electronic control module 10 is qualified, can recycle, if comparing result is inconsistent, then judges that this tested retired car engine electronic control module 10 is defective, can not recycle; This result of determination shows by described display 1.
Refer to Fig. 3, the operating process of retired car engine electronic control module automatic detection device of the present invention is as follows: connect lock core and key 2, be equivalent to make tested retired car engine electronic control module 10 enter holding state, press " starting engine " button, be equivalent to signal imitation system 11 and start.Simulation CRANK SENSOR lamp is bright bright with simulation top dead center position sensor signal lamp, represent that CRANK SENSOR is normally sent to tested retired car engine electronic control module 10, top dead center position sensor analog signals is normally sent to tested retired car engine electronic control module 10.Tested retired car engine electronic control module 10 carries out computing according to analog sensor signal, and exports tested simulation executive signal to signal imitation system 11.Simulation points fire coil starting point is fought and is carried out step-by-step counting, fuel injector 4 commencement of fuel injection, and signal imitation system 11 carries out fuel injection pulse counting.Firing pulse number is identical in real time with fuel injection pulse number, enters next step and detects.Two umber of pulses are not identical in real time, judge tested retired car engine electronic control module 10 fault.Simulation fuel pump relay, oxygen biography device, temperature and pressure transmitter, detonation sensor, these analog sensor signals of the bright expression of water temperature sensor signal lamp are normally sent to tested retired car engine electronic control module 10, and monitored by CAN, tested retired car engine electronic control module 10 utilizes these signals to carry out computing.Simulation fuel pump relay, oxygen pass device, temperature and pressure transmitter, detonation sensor, water temperature sensor signal lamp any one do not work, represent that tested retired car engine electronic control module 10 fault causes not accepting a little sensor signal, judge tested retired car engine electronic control module 10 fault.
Claims (5)
1. a retired car engine electronic control module detection method, is characterized in that, described detection method adopts automatic detection device to realize, and this automatic detection device comprises:
Clamping fixture table, sandwiched and connect tested retired car engine electronic control module, to transmit the input and output signal of this tested retired car engine electronic control module;
Signal imitation system, motor car engine operating mode according to setting produces and exports analog sensor signal and analog switch signal, calculating acquisition standard executive signal is carried out to this analog sensor signal and analog switch signal simultaneously, and respond by recording and showing the change of executive signal to analog sensor signal and analog switch signal, that is come with transmission by this standard executive signal calculates through tested retired car engine electronic control module the tested simulation executive signal obtained and compares, make the whether qualified judgement of tested retired car engine electronic control module and show,
Signal process box, transmitted signal is nursed one's health, its one end is connected with described clamping fixture table, the other end is connected with described signal imitation system, the analog sensor signal export described signal imitation system and analog switch signal are transferred to described tested retired car engine electronic control module by clamping fixture table, and the tested simulation executive signal that this tested retired car engine electronic control module calculates acquisition is transferred to described signal imitation system;
Gas pedal, connects described signal imitation system and provides the true accelerator pedal position signal of the different operating mode of motor car engine;
Lock core and key, connect described clamping fixture table, controls startup and the closedown of tested retired car engine electronic control module;
Fuel injector, connects described clamping fixture table, carries out true oil spout according to described tested simulation executive signal;
Air throttle, connects described clamping fixture table, shows the true throttle opening of different operating mode according to described tested simulation executive signal;
Panel board, connects described clamping fixture table, shows the actual revolution value of different operating mode according to described tested simulation executive signal;
Described detection method comprises following concrete steps:
1) set motor car engine operating mode and input described signal imitation system;
2) tested retired car engine electronic control module is folded on described clamping fixture table, starts this tested retired car engine electronic control module by lock core and key;
3) described signal imitation system produces analog sensor signal and analog switch signal according to motor car engine operating mode, and is transferred to tested retired car engine electronic control module by described signal process box and clamping fixture table;
4) described tested retired car engine electronic control module carries out the tested simulation executive signal of calculating acquisition to the analog sensor signal of input and analog switch signal, this tested simulation executive signal is transferred to described signal imitation system by described clamping fixture table and signal process box and is transferred to fuel injector respectively by described clamping fixture table and carries out true oil spout, be transferred to the true throttle opening that described air throttle shows different operating mode, be transferred to the actual revolution value that described panel board shows different operating mode;
5) described signal imitation system carries out calculating acquisition standard executive signal to the analog sensor signal produced and analog switch signal, and this standard executive signal and tested simulation executive signal is shown;
6) described signal imitation system responds by recording and showing the change of executive signal to analog sensor signal and analog switch signal, this standard executive signal and tested simulation executive signal are compared, makes the whether qualified judgement of tested retired car engine electronic control module and show.
2. retired car engine electronic control module detection method according to claim 1, is characterized in that, described step 1) replace with:
1) set motor car engine operating mode and jointly input described signal imitation system in conjunction with the accelerator pedal position signal that described gas pedal produces;
Described step 3) replace with:
3) described signal imitation system produces analog sensor signal and analog switch signal according to motor car engine operating mode and accelerator pedal position signal, and is transferred to tested retired car engine electronic control module by described signal process box and clamping fixture table.
3. retired car engine electronic control module detection method according to claim 1 and 2, is characterized in that, described motor car engine operating mode refers to the dense and little loading condition of high temperature, combination gas, or low temperature, combination gas are rare and heavy load condition.
4. retired car engine electronic control module detection method according to claim 1 and 2, it is characterized in that, described analog sensor signal includes air flow sensor signal, intake air temperature sensor signal, cooling-water temperature sensor signal, intake pressure sensor signal, engine load sensor signal, tail gas oxygen level sensor signal, knock sensor signal, top dead center position sensor signal, CRANK SENSOR and vehicle speed sensor signal; Described analog switch signal includes ignition switch signal, neutral starting switch signal, Idle Switch signal, full load switch signal and air-conditioning request signal; Described standard executive signal and tested simulation executive signal include each cylinder ignition coil signal, each cylinder injector working signal, fuel pump relay signal, idling direct current generator signal, charcoal tank solenoid valve signal, air-conditioning work relay signal and EGR solenoid valve signal respectively.
5. retired car engine electronic control module detection method according to claim 1, it is characterized in that, described signal imitation system comprises display and industrial computer, this industrial computer respectively with described display, signal process box is connected with gas pedal, this display shows described analog sensor signal, analog switch signal, standard executive signal and tested simulation executive signal, and show the change response to analog sensor signal and analog switch signal of standard executive signal and tested simulation executive signal, and the comparative result of display standard executive signal and tested simulation executive signal.
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| CN107152339A (en) * | 2017-06-30 | 2017-09-12 | 北京联动泰克汽车技术有限公司 | A kind of engine controller detecting system and detection method |
| CN111123898B (en) * | 2020-01-19 | 2023-02-24 | 斯比泰电子（嘉兴）有限公司 | Electric automobile ECU rapid detection equipment |
| CN113638813B (en) * | 2021-08-10 | 2022-09-13 | 武汉理工大学 | Detection device and method for automobile ECU recycled part |
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| CN101739022A (en) * | 2008-11-24 | 2010-06-16 | 比亚迪股份有限公司 | Performance test system and method for control unit of engine |
| CN102117068A (en) * | 2009-12-22 | 2011-07-06 | 天津大学 | Device for automatically scanning control parameter of electric control engine |
| CN203397151U (en) * | 2013-08-16 | 2014-01-15 | 上海交通大学 | Lossless high-efficiency detector for ECU (Electronic Control Unit) of retired automobile engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007163306A (en) * | 2005-12-14 | 2007-06-28 | Toyota Motor Corp | Automatic drive controller in vehicle tester |
| US7685871B2 (en) * | 2008-03-18 | 2010-03-30 | Delphi Technologies, Inc. | System and method for estimating engine internal residual fraction using single-cylinder simulation and measured cylinder pressure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101739022A (en) * | 2008-11-24 | 2010-06-16 | 比亚迪股份有限公司 | Performance test system and method for control unit of engine |
| CN102117068A (en) * | 2009-12-22 | 2011-07-06 | 天津大学 | Device for automatically scanning control parameter of electric control engine |
| CN203397151U (en) * | 2013-08-16 | 2014-01-15 | 上海交通大学 | Lossless high-efficiency detector for ECU (Electronic Control Unit) of retired automobile engine |
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