CN103135545B - Automatic gearbox controller semi-physical simulation test system - Google Patents
Automatic gearbox controller semi-physical simulation test system Download PDFInfo
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- CN103135545B CN103135545B CN201310068081.4A CN201310068081A CN103135545B CN 103135545 B CN103135545 B CN 103135545B CN 201310068081 A CN201310068081 A CN 201310068081A CN 103135545 B CN103135545 B CN 103135545B
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Abstract
The invention relates to an automatic gearbox controller semi-physical simulation test system. The automatic gearbox controller semi-physical simulation test system comprises a real object part and a virtual simulation part. The real object part comprises an automatic gearbox controller and a data collection board which is used for collecting structural parameters and operating parameters of a to-be-tested automobile. The virtual simulation part comprises an upper computer and a test machine, the upper computer is used for setting up an automatic gear shifting algorithm model, and the test machine is used for setting up a semi-physical simulation model. The data collection board is used for being connected with the to-be-tested automobile through a sensor and respectively connected with the upper computer and the test machine through universal series bus (USB) interfaces, the upper computer is connected with the test machine through a serial interface, the automatic gearbox controller is respectively connected with the test machine and the upper computer through joint test action group (JTAG) interfaces, and the problems that a danger coefficient is high and cost is high when an automatic gearbox controller is installed on a real automobile for a test in a later stage of development of automatic gearbox electronic control system are solved.
Description
Technical field
The present invention relates to a kind of automatic transmission controller semi-hardware type simulation test system.
Background technology
Along with the development of vehicle electric technology, people require also to improve constantly to vehicle performance, and function and the complexity of electrical control unit of automatic transmission (ECU) are also improving constantly, and this development trend makes the exploitation of automatic transmission ECU become more time-consuming, effort.Traditional automatic transmission software development needs manual coding, high to the degree of dependence of hardware, to technical personnel quality require high, difficulty is large, efficiency is low, mistake is many, and the construction cycle is long.In the later stage of automatic speed-variator electric control system exploitation, need to carry out mount controller on real vehicle and test, high to site requirements, and dangerous coefficient is high, spends the shortcomings such as high.
The development of semi-true object emulation technology, new approach and good development prospect is provided for solving the problem, hardware-in-the-loop simulation is also known as Hardware-in-the-loop simu-lation, it is the technology carrying out testing that controller (material object) and the realistic model of the control object realized on computers are linked together, owing to there being in kind participation in analogue system, half virtual objects, half object in kind, therefore, be called hardware-in-the-loop simulation, this technology both can allow user before controller hardware assembling, set up the real-time simulation loop of controller system, realize the execution of control algolithm code in true environment, assess the quality of various control algolithm, and carry out real time modifying and optimization, make experimental result closer to actual conditions, thus obtain more definite information.
The software development that the semi-true object emulation technology of controller is not only modern vehicle automatic transmission ECU provides means, also for the Performance Detection of controller provides platform.
Summary of the invention
The object of this invention is to provide a kind of automatic transmission controller semi-hardware type simulation test system, in order to solve by all-real object emulation automatic transmission controller is tested time danger coefficient high, spend high problem.
For achieving the above object, the solution of the present invention is: a kind of automatic transmission controller semi-hardware type simulation test system, comprise in-kind portion and virtual emulation part, described in-kind portion comprises automatic transmission controller and the data acquisition board for gathering tested vehicle structure parameter and operational factor, described virtual emulation part comprises the host computer for building self shifter algorithm model and the test machine for building hardware-in-the-loop simulation model, described data acquisition board is used for being connected with tested vehicle by sensor, and be connected with described host computer and described test machine communication respectively by USB interface, described host computer is connected with described test machine communication by serial line interface, described automatic transmission controller is connected with described test machine and described upper machine communication respectively by jtag interface.
Embedded real time operating system in described automatic transmission controller.
Described test machine is the PC that real time operating system is housed, and described host computer is the PC that non-real time operating system is housed.
Described hardware-in-the-loop simulation model comprises engine mockup, automatic transmission model, vehicle dynamic model and schedule realistic model; Described self shifter model is one-parameter self shifter model or two parameter self shifter model or three parameter self shifter models.
Described real time operating system is DSP/BIOS.
The beneficial effect that the present invention reaches: the present invention is the automatic transmission controller semi-hardware type simulation test system set up based on computing machine, in computer circuit, access automatic transmission controller material object test, closer to the true operation conditions of vehicle, and do not need as on-the-spot test, on real vehicle, mount controller is tested, reduce cost of development, shorten the construction cycle;
This emulation test system is by testing the performance of tested vehicle automatic speed variator controller, the controling parameters of controller is improved, thus the correctness that improve when automatic transmission controller uses and reliability, while warranty test effect, there is certain practical value;
This emulation test system process of the test can control, and system Repeatability is good, can obtain than more comprehensive test figure, and artificial intelligence can feed back to user intuitively, thus helps user to complete Controller gain variations and optimization.
Accompanying drawing explanation
Fig. 1 is semi-hardware type simulation test system schematic of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
As shown in Figure 1, semi-hardware type simulation test system of the present invention comprises in-kind portion and virtual emulation part, and in-kind portion comprises tested vehicle, data acquisition board and Target Board, and virtual emulation part comprises host computer and test machine.
Tested vehicle is the vehicle needing to install automatic transmission controller, comprises automobile, military vehicle, engineering truck, tractor etc., data acquisition board is connected with tested vehicle by sensor, for gathering structural parameters and the operational factor of tested vehicle, and be connected with host computer, test machine by USB port, the above-mentioned parameter collected is flowed to host computer and test machine, as modeling and the foundation adjusting ginseng, host computer is the PC that non-real time operating system is housed, be connected with test machine by serial ports, for building Matlab/Simulink self shifter algorithm model, directly use Embedded Coder tool box generating code, executable code is downloaded in controller, executable code can be the code utilizing Embedded Coder tool box directly to generate, and also can be the executable code embed real time operating system in the code base directly generated after, test machine is the PC that real time operating system is housed, for building Matlab/Simulink system hardware-in-the-loop simulation model, Target Board is automatic transmission controller, take DSP as core board, by jtag interface and host computer, test machine connects, each parameter value for the self shifter model generated according to host computer controls vehicle automatic speed variator and transforms to corresponding gear, and transforming gear information is sent to test machine, hardware-in-the-loop simulation model is built according to the transforming gear information of the parameter information of the host computer received and automatic transmission controller by test machine, emulation testing is carried out to the performance of automatic transmission controller, and detecting information is sent to host computer, controling parameters corresponding in self shifter model is improved according to the practical working situation of vehicle by host computer, improve correctness when automatic transmission controller uses and reliability.
The Matlab/Simulink hardware-in-the-loop simulation model that test machine is built comprises engine mockup, automatic transmission model, vehicle dynamic model and schedule realistic model.The output parameter of engine mockup is Driving Torque and hour fuel consumption of engine; The output parameter of automatic transmission model is Driving Torque and the rotating speed of engine; The output parameter of vehicle dynamic model is the shock extent in the speed of operation of vehicle and shift process; The output parameter of schedule model is the gear of demand in vehicle travel process; The Matlab/Simulink self shifter model that host computer is built can be one-parameter self shifter model or two parameter self shifter model, also can be three parameter self shifter models.
In order to the real-time control effects improving controller can embed real-time control system in the controller, real time operating system can be the operating systems such as DSP/BIOS, μ C/OS-II, preferentially uses DSP/BIOS.
Claims (5)
1. an automatic transmission controller semi-hardware type simulation test system, it is characterized in that, comprise in-kind portion and virtual emulation part, described in-kind portion comprises automatic transmission controller and the data acquisition board for gathering tested vehicle structure parameter and operational factor, vehicle structure parameter and operational factor are flowed to host computer and test machine, as modeling and the foundation adjusting ginseng; Described virtual emulation part comprises the host computer for building self shifter algorithm model and the test machine for building hardware-in-the-loop simulation model, described data acquisition board is used for being connected with tested vehicle by sensor, and be connected with described host computer and described test machine respectively by USB interface, described host computer is connected with described test machine by serial ports, and described automatic transmission controller is connected with described test machine and described host computer respectively by jtag interface; Automatic transmission controller, each parameter value for the self shifter model generated according to host computer controls vehicle automatic speed variator and transforms to corresponding gear, and transforming gear information is sent to test machine, hardware-in-the-loop simulation model is built according to the transforming gear information of the parameter information of the host computer received and automatic transmission controller by test machine, emulation testing is carried out to the performance of automatic transmission controller, and detecting information is sent to host computer, controling parameters corresponding in self shifter model is improved according to the practical working situation of vehicle by host computer.
2. automatic transmission controller semi-hardware type simulation test system according to claim 1, is characterized in that, embedded real time operating system in described automatic transmission controller.
3. automatic transmission controller semi-hardware type simulation test system according to claim 1, is characterized in that, described test machine is the PC that real time operating system is housed, and described host computer is the PC that non-real time operating system is housed.
4. automatic transmission controller semi-hardware type simulation test system according to claim 1, is characterized in that, described hardware-in-the-loop simulation model comprises engine mockup, automatic transmission model, vehicle dynamic model and schedule realistic model; Described self shifter model is one-parameter self shifter model or two parameter self shifter model or three parameter self shifter models.
5. automatic transmission controller semi-hardware type simulation test system according to claim 2, is characterized in that, described real time operating system is DSP/BIOS.
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| CN201310068081.4A CN103135545B (en) | 2013-03-04 | 2013-03-04 | Automatic gearbox controller semi-physical simulation test system |
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| CN201310068081.4A CN103135545B (en) | 2013-03-04 | 2013-03-04 | Automatic gearbox controller semi-physical simulation test system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104598373B (en) * | 2013-10-30 | 2017-09-29 | 北京精密机电控制设备研究所 | A kind of embedded software test method of multi-technical fusion |
| CN103713630B (en) * | 2013-12-31 | 2017-02-01 | 湖北航天技术研究院特种车辆技术中心 | Fatigue life simulation test system for automatic transmission electronic control system |
| CN110333730B (en) * | 2019-08-12 | 2020-08-21 | 安徽江淮汽车集团股份有限公司 | Verification method, platform and storage medium for safety of expected function of automatic driving algorithm |
| CN114326439B (en) * | 2021-12-31 | 2024-06-14 | 中国第一汽车股份有限公司 | Model real-time and virtual calibration method for virtual calibration of automatic transmission |
| CN114706368B (en) * | 2022-04-06 | 2024-03-26 | 中国人民解放军陆军装甲兵学院 | Comprehensive transmission ECU (electronic control unit) in-loop simulation test platform |
| CN115499321B (en) * | 2022-08-23 | 2023-12-08 | 成都飞机工业（集团）有限责任公司 | Design and implementation method of simulation test equipment signal switching system |
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| CN201829070U (en) * | 2010-10-20 | 2011-05-11 | 合肥工业大学 | Hardware-in-the-loop simulating experiment platform for automatic transmission |
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| CN101308386A (en) * | 2008-07-10 | 2008-11-19 | 同济大学 | Automobile chassis integrated controller hardware in-the-loop simulation test stand |
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