北京航空航天大学学报 ›› 2013, Vol. 39 ›› Issue (4): 432-436.

• 论文 • 上一篇    下一篇

自抗扰控制技术在转台频响伺服中的应用

付永领1, 龙满林2, 郭栋3, 牛建军1   

  1. 1. 北京航空航天大学 机械工程及自动化学院, 北京 100191;
    2. 北京航空航天大学 自动化科学与电气工程学院, 北京 100191;
    3. 辽宁工业大学 电气工程学院, 锦州 121000
  • 收稿日期:2012-04-05 出版日期:2013-04-30 发布日期:2013-05-03

Application of ADRC technology in simulator frequency response servo

Fu Yongling1, Long Manlin2, Guo Dong3, Niu Jianjun1   

  1. 1. School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
    2. School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
    3. School of Electrical Engineering, Liaoning University of Technology, Jinzhou 121000, China
  • Received:2012-04-05 Online:2013-04-30 Published:2013-05-03

摘要: 在转台频响伺服中,针对低频和低速时干扰难补偿、高频时相位滞后和幅值衰减程度急剧恶化、常规控制策略严重依赖精确对象模型等难题,引入不依赖精确对象模型的自抗扰控制技术,并设计了控制系统.控制系统中,自抗扰控制器用来在线观测补偿干扰,前置处理单元用来补偿相位和幅值.控制系统应用到转台频响伺服中,实测得到的"双十"标准下最大跟踪频率和扫频频率都大于转台出厂时的验收指标.实测结果表明:自抗扰控制技术应用到转台频响伺服中可以有效提升转台的频响性能.

Abstract: In simulator frequency response servo, there are some difficulties, including disturbance compensation when low frequency or low speed, a sharp deterioration of phase lag and amplitude attenuation when high frequency, the problem of conventional control strategy depending on high precise object model heavily, etc. Active disturbance rejection control(ADRC) technology which doesn’t depend on object model was introduced to solve those difficulties. Active disturbance rejection controller was designed to online observe and compensate disturbance, and pre-processing unit was designed to compensate phase and amplitude. It was applied in frequency response servo of the simulator. The measured results of tracking frequency and swept frequency according to the "Double Ten" standard were greater than the acceptance criteria of the simulator. It is showed that ADRC technology introduced in simulator frequency response servo can effectively improve frequency response characteristics of simulator.

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