摘要
针对工程车辆静压行驶驱动系统的特点及其性能要求,应用模糊控制理论,在传统PID控制基础上设计一种模糊自适应PID控制器。该控制器根据马达转速偏差和偏差的变化率,利用模糊逻辑实现PID参数的在线调整,使系统具有较好的自适应能力和较强的抗干扰性。在Matlab/Simulink环境下对其进行了动态仿真。仿真结果表明,模糊自适应PID控制器的性能远优于常规PID控制器。
According to the traits and performance requirements of the engineering vehicle hydrostatic driving system,based on traditional PID control and fuzzy control theory,a kind of fuzzy-adaptive-PID controller was designed.In the controller,fuzzy logic was used to realize the online self-adjustment of PID parameters according to the motor speed error and its derivative.The system had better self-adaptive ability and strong disturbance resisting performance.The dynamic simulation was made in Matlab/Simulink.The simulation results show that the performance of the controller is better than that of classic one.
出处
《机床与液压》
北大核心
2010年第17期89-92,共4页
Machine Tool & Hydraulics
关键词
静压驱动
模糊PID控制
自适应
仿真
Hydrostatic driving
Fuzzy PID control
Self-adaptivity
Simulation
