项目名称: 永磁同步电机的复合优化控制策略及应用研究
项目编号: No.51507048
项目类型: 青年科学基金项目
立项/批准年度: 2016
项目学科: 电工技术
项目作者: 刘慧贤
作者单位: 河北科技大学
项目金额: 16.5万元
中文摘要: 交流永磁同步电机伺服系统为强耦合的非线性多变量系统,且运行过程中存在许多不能直接测量的扰动和参数不确定性等因素。本项目针对该非线性系统,研究基于非线性控制方法和干扰主动控制的若干理论及其应用问题。一方面,利用反馈控制方法提高系统的抗扰动性能值得不断探讨,从优化的角度,设计基于预测函数控制(PFC)和有限时间控制(FTC)的控制器;另一方面,结合前馈补偿控制的复合控制器方案是满足快速跟踪性能和提高系统抗扰动性能的更有效的方法,分别对基于扰动观测器(DOB)和扩张状态观测器(ESO)的主动控制理论研究和数字化实现方式进行研究。并将本项目的理论实验结果应用于矢量控制和直接转矩控制下的电机伺服系统。
中文关键词: 永磁同步电机;预测控制;扰动观测器;优化控制
英文摘要: AC permanent magnet synchronous motor(PMSM) servo system is a multivariable nonlinear and strongly coupled system, and there are always many unmeasured disturbances existed in operational conditions. As for the unlinear system in practical engineering, some theory and application problems on unlinear control methods and distuabance active control are researched in this project proposal. On the one hand, some feedback control methods is worthy to go and study to enhance the disturbance rejection property of the system, and the controllers are designed based on the preictive functional control(PFC) and finite-time control(FTC) from the optimization point of view. On the other hand, a composite controller with the feed-forward compensation item is a more effective way to meet the fast tracking.and resist disturbance greatly, two separate studies are presented about the theory and digital implementation on disturbance active control based on disturbance observer(DOB) and extended state observer(ESO). And the theory and experimental realization are used in the motor servo system under vector control and direct torque control.
英文关键词: PMSM;Predictive control;disturbance observer;optimal control