Multifunctional shuttle valve type dual-motor redundancy braking system and control method thereof
A braking system and dual-motor technology, applied in the field of servo braking systems, can solve the problems of difficulty in meeting the servo braking capability of vehicles and the inability of a single electro-hydraulic servo brake solution.
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Embodiment 1
[0067] Please refer to figure 1 , this embodiment provides a multifunctional shuttle valve dual-motor redundant braking system, including a main electro-hydraulic servo brake assembly 1, an auxiliary electro-hydraulic servo brake assembly 2, a brake pedal assembly 3, a fluid storage Tank 4, primary brake master cylinder 5, auxiliary brake master cylinder 6, shuttle valve 7, hydraulic control unit (HCU) 8 and brake group 9. Among them: the main electro-hydraulic servo brake assembly 1 and the auxiliary electro-hydraulic servo brake assembly 2 are connected through CAN bus communication, and the two ends of the main electro-hydraulic servo brake assembly 1 are respectively connected to the brake pedal assembly 3 and The main brake master cylinder 5 is connected, and the auxiliary electro-hydraulic servo brake assembly 2 is connected with the auxiliary brake master cylinder 6 .
[0068] In this embodiment, the fluid storage tank 4 is used to provide brake fluid to the main brake...
Embodiment 2
[0106] The structure of the dual-motor redundant braking system in this embodiment is basically the same as in Embodiment 1, the difference being that: the first brake set in this embodiment is composed of a left rear wheel brake LR and a right rear wheel brake RR; The brake group is composed of left front wheel brake LF and right front wheel brake RF. The four oil outlets of the hydraulic control unit 8 are respectively connected with LR, RR, LF and RF. At this time, the braking system is an H-shaped arrangement.
Embodiment 3
[0108] The structure of the dual-motor redundant braking system in this embodiment is basically the same as that in Embodiment 1, the difference being that the first brake set in this embodiment consists of a left front wheel brake LF and a right rear wheel brake RR, and the second The brake group consists of the right front wheel brake RF and the left rear wheel brake LR. The four oil outlets of the hydraulic control unit 8 are respectively connected with LF, RR, RF and LR. At this time, the brake system is an X-shaped arrangement.
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