Distributed control system and method based on commercial vehicle ESC architecture

Abstract

The invention discloses a distributed control system and method based on a commercial vehicle ESC architecture, which can realize brake-by-wire with relatively high cost performance, and is relatively high in safety level and control precision. The system comprises a main controller; a wheel speed sensor; a control structure valve module connected with the main controller and the wheel speed sensor; wherein the control structure valve module is integrated with a control structure valve controller, a relay valve, a pressure preparation electromagnetic valve, an air inlet electromagnetic valve, an air exhaust electromagnetic valve and an air pressure sensor, the control structure valve controller is connected with the main controller through a cable, and the air outlet end of the air inlet electromagnetic valve and the air inlet end of the air exhaust electromagnetic valve are both connected with a piston upper cavity of the relay valve, the air pressure sensor is arranged at the air outlet end of the relay valve, the air outlet end of the exhaust electromagnetic valve is connected with the exhaust end of the relay valve, and the exterior of the control structure valve module communicates with an air outlet of a brake main valve and an air storage cylinder; a communication module which comprises a main communication module and a standby communication module; and a power supply module which comprises a main power supply and a standby power supply.

Description

technical field [0001] The present invention relates to the technical field of commercial vehicle control, in particular to a distributed control system and method based on a commercial vehicle ESC architecture. Background technique [0002] The ESC system is a body electronic stability control system. The working principle of the system is to monitor the running status of the vehicle through the electronic control unit, and intervene and control the engine and braking system of the vehicle to maintain the stable operation of the vehicle. Intelligent driving and intelligent assisted driving are the development trend of automobiles, and their realization cannot be achieved without the support of brake-by-wire technology. In the related technology, the brake by wire uses the main controller to receive the instruction sent by the intelligent assisted driving system, and then controls the working state of other components according to the instruction. With this single controlle...

AI Technical Summary

Problems solved by technology

With this single controller method, when the main controller fails, other components on the vehicle cannot perform corresponding operations according to the instructions sent by the intelligent assisted driving system, thereby reducing the safety of the intelligent driving process.

The related technology is to alleviate the security problem of a single controller by adding a device controller

However, since the additional controller also needs to be connected with other components through cables, the complexity of the wiring and the increase of the cost of the vehicle are caused.

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