The invention discloses a stability integrated control method of a vehicle. The stability and the ride comfort of the vehicle are guaranteed by regulating the front-wheel steering angles and the braking force of corresponding tires. The control method comprises the following steps of collecting the running state information of the vehicle, and carrying out wave filtering and estimation treatment; planning a reference state value through which the vehicle is enabled to run stably; evaluating the stability risk of the vehicle according to the actual running state of the vehicle and the reference state value; when the vehicle does not have the stability risk, unnecessarily carrying out control, otherwise, necessarily planning and deciding front-wheel steering angles and additional yawing moments, through which the vehicle is enabled to recover the stability; converting the additional yawing moments into the expected braking force of the corresponding tires, meanwhile, comparing the expected braking force with the actual pressure of a wheel cylinder, and determining a solenoid valve action instruction; actuating the solenoid valve action instruction and a front-wheel steering angle instruction by a braking actuator and a steering actuator, so that the vehicle is enabled to recover to run stably.
Stability integrated control method of vehicle
2015-07-15
Patent
Electronic Resource
English
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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