A three-motor integrated high-reliability intelligent wire control system and its control method
A control method and an integrated technology, applied in the direction of braking safety system, electric steering mechanism, brake, etc., can solve the problems of quality impact and large space waste, and achieve strong safety and reliability, which is conducive to light weight and integration effect
Active Publication Date: 2022-01-11
JIANGSU UNIV
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Problems solved by technology
For example, when considering the redundancy of the steering-by-wire system and the brake-by-wire system at the same time, both the steering-by-wire system and the brake-by-wire system adopt a dual-motor redundancy design, and a total of four motors are required to realize steering redundancy and braking respectively. Redundant functions, coupled with the controllers and circuits corresponding to each motor, the overall quality impact and space waste will be relatively large
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[0039] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0040] Such as figure 1 As shown, a three-motor integrated high-reliability intelligent wire control system includes a signal input module, a braking module, a steering module, a redundancy module and an integrated ECU control module.
[0041] The signal input module is composed of a brake pedal 2, a pedal stroke sensor 3, a steering wheel 4, a rotation angle sensor 5, and a road sensor 6, and is used for the driver to operate and control the steering and braking of the vehicle. The pedal stroke sensor 3 is connected with the brake pedal 2, the angle sensor 5 is connected with the steering wheel 4, the road sensor motor 6 is connected with the steering column 25 through the reduction mechanism 26, and the steering column 25 is connected with the steering wheel 4. The dri...
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The invention provides a three-motor integrated high-reliability intelligent wire control system and its control method. The wire control system includes a signal input module, a braking module, a steering module, a redundancy module, an integrated ECU control module, and a signal input module For judging the driver's intention to control the steering and braking of the vehicle, the braking module is used to realize the normal braking function after receiving the driver's braking signal, and the steering module is used to realize the normal steering function after receiving the driver's steering signal , the redundant module is used for braking function or steering function when one of the functions fails, through the control of ECU1, combined with the unfailed module to perform redundant work on the faulty module; the integrated ECU control module is used to receive relevant signals, and judge through calculation and analysis The state of each module and the driver's braking or steering intention, control the work of each module to realize steering, braking and mutual redundancy functions, so as to meet the system requirements and safety under different working conditions and states.
Description
technical field [0001] The invention relates to the field of wire-control chassis technology, and in particular designs a three-motor integrated high-reliability intelligent wire-control system and a control method thereof. Background technique [0002] The main function of the car chassis is to realize functions such as acceleration, deceleration and steering of the car. The optimization of the component technology can effectively improve the overall performance of the car. Therefore, the current development of the automobile industry mainly focuses on the research issues of automobile chassis integration and control technology. With the development of intelligent and electronic automobiles, whether it is an electric vehicle or a fuel vehicle, the control-by-wire chassis technology has become a popular research topic at home and abroad. There are five main systems in the control-by-wire chassis, namely, steering-by-wire, brake-by-wire, shift-by-wire, drive-by-wire and sus...
Claims
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IPC IPC(8): B60T13/74B60T17/22B62D5/04
CPCB60T13/74B60T17/22B62D5/0487B62D5/0463
Inventor王峰陈殿镛徐兴王春海徐贤高扬倪少勇阙红波汪跃中
OwnerJIANGSU UNIV