摘要
就感应型无轴承电机产生旋转与悬浮相互干扰的耦合磁场模型进行了逆系统解耦线性化,并对无轴承电机的解耦线性化系统进行了PDF(pseudo-derivative feed back)控制。PDF控制系统具有响应速度快、控制精度高、可控性好、无超调、鲁棒性较强等优点;可以避免消除启动回绕和微分突变现象,并不对被控对象的数学模型作精确的要求,一定的偏差不会给系统带来性能的影响,适用于实际的工程系统。
The coupling magnetic field model in which the electromagnet torque and radial suspension force interfere each other is linearized through Inverse system decoupling, and pseudo-derivative feedback control strategy is used to research on decoupling linearization system. With performance analysis and simulation of pseudo-derivative feedback control system, it can be concluded that pseudo-derivative feedback control system has quick response, high control precision, good control ability, no warp, and excellent robustness. It doesn＇t ask the controlled object for a exact math model. Little warp will not influence system performance. It can be applied to project system.
出处
《机电一体化》
2008年第8期45-47,56,共4页
Mechatronics
基金
江苏省教育厅自然科学基金资助项目(编号:04KJB460168)。
关键词
无轴承电机
解耦控制
仿真
bearingless motor pseudo-derivative feed back control robustness
