摘要
飞行模拟器上利用电动伺服加载系统替代传统的电液伺服加载后,需要进一步提高加载系统快速性、扩宽系统频带。建立了电动伺服加载模型,基于不变性原理对多余力矩进行补偿仍不能满足要求的情况下,利用模糊控制的快速响应特性,针对该系统设计出PI和模糊控制相结合的分段复合控制器。通过Matlab仿真结果表明使该系统既保证了控制无静差,静态稳定性好,同时动态性能有了较大提高。
When the Electro- Machinery Servo Loading System （EMSLS） is used to take the place of the traditional Electro- Hydraulic Servo Loading System （EHSLS） in flight simulator, the speed of the system should be improved and frequency band should be expanded further. An EMSLS＇s mathematical model is established. After the disturbance torque is compensated aeeordi not meet the requirement. Under this situation, we designed ng to the invarianee theory, the system can still a staged composite controller combining PI and fuzzy control taking fuzzy control＇s advantage of dynamic response. Simulation results suggested that the sys- tem＇s performance has been improved notably with zero steady - state error and good static stability.
出处
《电光与控制》
北大核心
2007年第4期163-167,共5页
Electronics Optics & Control
关键词
多余力矩
加载梯度
速度补偿
模糊控制
分段复合控制
飞行模拟器
disturbance torque
loading grads
velocity compensation
fuzzy control
staged composite control
flight simulator
