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Application Research on Differential Feedback Control in Permanent Magnet Motor Servo System
Author(s): 
Pages: 92-97
Year: Issue:  9
Journal: TRANSACTIONS OF CHINA ELECTROTECHNICAL SOCIETY

Keyword:  永磁伺服微分控制超调;
Abstract: PI调节器用于伺服系统闭环控制时,为保证伺服系统有快速响应,超调是不可避免的.本文研究微分控制(微分调节,微分反馈)对抑制系统响应超调的作用.通过求解微分方程的实时解,分析微分控制对闭环系统阻尼比及闭环零、极点的影响.分析表明,对实际的永磁同步伺服系统引入微分反馈控制,可使系统既有较快的响应速度,又明显地抑制伺服系统响应超调,从而使系统具有优异的响应性能.仿真和实验均证实了微分反馈对伺服系统控制的有效性.
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