Electromechanical brake system and control method for double-winding motor
An electromechanical brake and control method technology, applied in the direction of brake safety systems, brakes, brake components, etc., can solve the problems of unfavorable vehicle weight reduction, complex redundant brake system structure, unfavorable loading, etc., and achieve expansion Application scope and market competitiveness, improvement of practical application ability and competitiveness, effect of increasing motor power and output torque
Active Publication Date: 2021-11-05
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology
[0005] Aiming at the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a double-winding motor electromechanical braking system and its control method, to solve the problem that the EMB system software redundancy in the prior art cannot guarantee the safety when the hardware fails Difficult to apply to heavy-duty and industrial vehicles; redundant power supply quality is large, not conducive to vehicle lightweight and redundant braking system complex structure, high cost, not conducive to loading and other issues; the present invention uses a double-winding motor to replace the original EMB The drive motor uses the winding fault-tolerant characteristics of the double-winding motor to provide the fault-tolerant driving layer of the braking system
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[0087] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.
[0088] refer to Figure 1-Figure 3 As shown, a double-winding motor electromechanical braking system of the present invention includes: a pedal module, a braking module, a driving module, a power supply module and a control module;
[0089] The pedal module includes: a brake pedal 13, a pedal bracket 20, a pedal shaft 14, a connecting rod 15, a push rod 16 and a pedal feeling simulator 19;
[0090] The pedal bracket 20 is installed on the vehicle body;
[0091] The lower end of described pedal feeling simulator 19 is fixed on the pedal support 20, and it comprises: push block 27, simulator housing 33, outer ring spring 28, inner ring spring 29, upper end cover 26, lower end cover 31, adjust...
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The invention discloses a double-winding motor electromechanical braking system and its control method. The system includes: a pedal module, a braking module, a drive module, a power supply module and a control module; the invention uses a double-winding motor to replace the original EMB drive motor , using the winding fault-tolerant characteristics of the double-winding motor to provide fault-tolerant driving layer of the braking system. In addition, in order to ensure that the dual-winding motor is not constrained by the power supply system during redundant control, the original battery power supply system is changed to a hybrid energy storage system of battery and supercapacitor for power supply to provide fault tolerance for the power supply layer of the braking system.
Description
technical field [0001] The invention belongs to the technical field of vehicle mechanical braking, and specifically refers to an electromechanical braking system of a double-winding motor and a control method thereof. Background technique [0002] In recent years, with the development of intelligent driving, intelligent driving has put forward the requirement of wire control for the chassis system, which has prompted the chassis system of traditional vehicles to also usher in technological innovation. Among them, the braking system, as a crucial part of the car chassis, is the infrastructure to ensure the safety of drivers and passengers. At present, the brake-by-wire system can be mainly divided into two categories, namely, the electro-hydraulic brake system (EHB) and the electro-mechanical brake system (EMB). Compared with EHB, EMB still uses a hydraulic system to provide power, and its braking process is still inseparable from traditional hydraulic components, so its str...
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IPC IPC(8): B60T13/74B60T8/92B60T17/22B60R16/03B60T7/06B60T1/06B60K7/00
CPCB60K7/0007B60R16/03B60T1/065B60T7/042B60T7/06B60T8/92B60T13/74B60T17/22
Inventor 张自宇王春燕秦亚娟赵万忠吴刚刘利锋王展刘晓强
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS