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Alternative TitleHysteresis Characteristics of SteeringMirror Driven by Piezoelectric Actuator and Its Experimental Research
于志亮1; 姜晓明2; 曹开锐3; 李松1,4; 王岩1
Source Publication光学学报
Indexed ByEI ; CSCD
EI Accession number20184105932766
Contribution Rank4
Funding Organization国家科技重大专项(2009ZX02207) ; 国家自然科学基金(51537002) ; 国家自然科学基金青年科学基金(61503096)
Keyword激光通信 倾斜镜 压电陶瓷执行器 迟滞特性 改进prandtl-ishlinskii迟滞模型


Other Abstract

In a precision pointing system for space laser communication, the hysteresis nonlinearity of the steering mirror driven by the piezoelectric actuator (PEA) can not only reduce its pointing accuracy greatly, but also affect the acquisition of beacon light and link stability. To address this issue, an improved Prandtl-Ishlinskii (P-I) model based on the PLAY hysteresis operator and a parameter identification method are presented, and on this basis, a feedforward linearized inverse compensation method for the steering mirror is proposed. In order to further improve the tracking accuracy of the system, on the basis of linearization, a static output feedback controller is designed to form a composite control method, and a laser communication terminal precision sighting system experiment is designed to verify the effectiveness of the composite method, in which sine signals with different frequencies and amplitudes are input. Experiment results show that the maximum fitting error of the improved P-I model is less than 1%.Inverse compensation of the feedforward model can reduce the linearity error of the PEA from 5%to less than 1%.Tracking errors of the system based on the compound method are reduced by 80%.

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Document Type期刊论文
Corresponding Author于志亮; 曹开锐
Recommended Citation
GB/T 7714
于志亮,姜晓明,曹开锐,等. 压电式倾斜镜迟滞特性及其实验研究[J]. 光学学报,2018,38(8):1-7.
APA 于志亮,姜晓明,曹开锐,李松,&王岩.(2018).压电式倾斜镜迟滞特性及其实验研究.光学学报,38(8),1-7.
MLA 于志亮,et al."压电式倾斜镜迟滞特性及其实验研究".光学学报 38.8(2018):1-7.
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