In-loop simulation test system and test method for vehicle management system

A technology for vehicle controller and simulation testing, applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as inapplicability of test systems, achieve the effects of shortening development time, matching optimization, and improving overall performance

Active Publication Date: 2015-01-21
ZHENGZHOU YUTONG BUS CO LTD
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Problems solved by technology

[0005] The purpose of the present invention is to provide an in-the-loop simulation test system for a vehicle controller to solve the problem that the existing test...

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  • In-loop simulation test system and test method for vehicle management system

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Embodiment Construction

[0020] The present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments.

[0021] Such as figure 1 Shown is the structural principle diagram of the embodiment of the in-the-loop simulation test system of the vehicle controller of the present invention. It can be seen from the figure that the system includes a hybrid system bench and an in-the-loop test system for communicating with the vehicle controller to be tested. The hybrid system bench includes the engine and the main motor connected to each other and the load dynamometer connected to the main motor. The in-the-loop test bench is used to receive the vehicle model and simulated driving information and generate the data received by the vehicle controller to be tested. To test the required signals, the in-the-loop test bench is also used to control the engine, motor and load dynamometer according to the feedback signal from the vehicle controller to be tested.

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Abstract

The invention discloses an in-loop simulation test system and test method for a vehicle management system. The test system comprises a hybrid power system stand and an in-loop test bench for being in communication connection with a vehicle management system to be tested. The hybrid power system stand comprises an engine and a main motor which are mutually connected as well as a load dynamometer which is connected with the main motor. By enabling an actual hybrid power drive system to be combined with a conventional hardware-in-loop simulation system, the vehicle management system to be tested is allowed to be in a real vehicle power drive system in a simulation manner, thereby improving vehicle management system software development quality and precision, reducing real vehicle road test times, reducing development time and cost, and reducing road test process risk; meanwhile, vehicle power performance test can be achieved; and through matching optimization of the power system, the whole performance of the vehicle is improved.

Description

technical field [0001] The invention relates to an in-the-loop simulation test system and a test method of a vehicle controller. Background technique [0002] The vehicle controller (VMS, vehicle management System), that is, the powertrain controller. It is the core control component of the whole car. It collects accelerator pedal signals, brake pedal signals and other component signals, and after making corresponding judgments, controls the actions of the lower-level component controllers. At the same time, the vehicle controller collects the driver’s driving signals. and vehicle status, manage, schedule, analyze and calculate network information through the CAN bus, perform corresponding energy management for different vehicle configurations, and realize functions such as vehicle drive control, energy optimization control, brake feedback control and network management . It plays a key role in the normal running of the car, regenerative energy recovery, network management...

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Application Information

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IPC IPC(8): G05B17/02
Inventor 张春敏李维国何黎明李飞强
Owner ZHENGZHOU YUTONG BUS CO LTD
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