【作者】 王霞；

【导师】 王其东； 陈无畏；

【作者基本信息】 合肥工业大学 ， 车辆工程， 2007， 硕士

【摘要】 车辆转弯制动过程中，制动系统和转向系统之间存在相互耦合作用，将会影响车辆的制动安全性和操纵稳定性，整车性能的提高需要对这两个系统进行集成控制。本文首先建立了防抱制动系统和主动前轮转向系统的车辆动力学模型；然后分别以这两个系统为研究对象，进行防抱制动系统的自适应模糊控制和主动前轮转向系统的PID控制；接着设计了协调两系统影响关系的协调控制器，对防抱制动系统和主动前轮转向系统进行集成控制。仿真结果表明：协调控制策略能够使车辆的整体性能得到改善和提高。最后，以防抱制动系统为研究对象，在LabVIEW图形化开发环境下，编写了逻辑门限值控制策略的软件程序，并进行了实车道路试验，试验结果验证了所设计开发的ECU控制器的有效性。更多还原

【Abstract】 When vehicles are braking in cornering, the inter-coupling action between the braking system and the steering system will affect the braking performance and the handling stability of vehicles. In order to improve the integrated performance of the vehicles, it is necessary to make an integrated control of the above two systems. In the paper, firstly, the vehicle model of anti-lock braking system and active front wheel steering is constructed. Secondly, the adaptive fuzzy control model of anti-lock braking and PID control model of active front wheel steering system are set up respectively. Then, a coordination controller is designed to harmonize the influences of anti-lock braking system and active front wheel steering system, and the integrated control of anti-lock braking system and active front steering system is achieved. The results of simulation show that the coordination control strategy can improve the integrated performance of the vehicles. Finally, with the environment of the graphics programming, a program of arithmetic of logical gate-limited control is finished and tested on the road for the anti-lock braking system of the vehicle, and the results of the test confirm the validity of the ECU controller which was designed.更多还原