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Department光电工程总体研究室(一室)
A Modified Disturbance Observer Structure Based on Acceleration Measurement for Disturbance Suppression in Tracking Control System
Jiuqiang Deng1,2,3; Wei Ren1,2,3; Hanwen Zhang1,2,3; Yong Luo1,2,3; Xi Zhou1,2; Yao Mao1,2
Source PublicationAPPLIED SCIENCES-BASEL
Volume8Issue:9Pages:1571
2018-09-01
Language英语
ISSN2076-3417
DOI10.3390/app8091571
Indexed BySCI
WOS IDWOS:000445760200160
SubtypeJ
AbstractThe micro-electro-mechanical system (MEMS) accelerometer is widely adopted in many engineering control systems due to its extraordinary performance with high bandwidth, small size and low weight. However, massive drift caused by its insensitively at low frequency is the main factor which limits its performance. It leads to integral saturation when the feedforward method is used and hinders the improvement of disturbance suppression ability at low frequency, which is a significant factor for evaluating the closed-loop performance of a high-precision tracking system. To solve this problem, a modified disturbance observer structure and its corresponding new controller, which can improve disturbance suppression performance at low frequency by effectively rejecting more drift and weakening the occurrence possibility of integral saturation when drift exists, are proposed. Detailed analyses and a series of comparative experimental results verify that the proposed method can effectively enhance disturbance suppression performance at low frequency.
KeywordMEMS accelerometer integral saturation modified disturbance observer disturbance suppression drift rejection
WOS KeywordSPACE OPTICAL COMMUNICATIONS ; ACCELEROMETER ; DESIGN ; MIRROR ; SENSOR
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9264
Collection光电工程总体研究室(一室)
Affiliation1.Key Laboratory of Optical Engineering, Chinese Academy of Sciences, Chengdu 610209, China;
2.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China;
3.Yanqihu Campus, University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Jiuqiang Deng,Wei Ren,Hanwen Zhang,et al. A Modified Disturbance Observer Structure Based on Acceleration Measurement for Disturbance Suppression in Tracking Control System[J]. APPLIED SCIENCES-BASEL,2018,8(9):1571.
APA Jiuqiang Deng,Wei Ren,Hanwen Zhang,Yong Luo,Xi Zhou,&Yao Mao.(2018).A Modified Disturbance Observer Structure Based on Acceleration Measurement for Disturbance Suppression in Tracking Control System.APPLIED SCIENCES-BASEL,8(9),1571.
MLA Jiuqiang Deng,et al."A Modified Disturbance Observer Structure Based on Acceleration Measurement for Disturbance Suppression in Tracking Control System".APPLIED SCIENCES-BASEL 8.9(2018):1571.
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