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Piezoelectric Actuated Phase Shifter Based on External Laser Interferometer: Design, Control and Experimental Validation
Li, P. Z.; X. D. Wang; Y. X. Sui; D. F. Zhang; D. F. Wang; L. J. Dong and M. Y. Ni
2017
发表期刊Sensors
卷号17期号:4
摘要To improve the phase-shifting accuracy, this paper presents a novel integrated framework for design, control and experimental validation of the piezoelectric actuated phase shifter with a trade-off between accuracy and cost. The piezoelectric actuators with built-in sensors are adopted to drive the double parallel four-bar linkage flexure hinge-based mechanisms. Three mechanisms form the tripod structure of the assembled phase shifter. Then, a semi-closed loop controller with inner feedback and outer feedforward loops via the external laser interferometer is developed for accurate positioning of the phase shifter. Finally, experiments related with travel range, step response, linearity and repeatability are carried out. The linearity error is 0.21% and the repeatability error of 10 mu m displacement is 3 nm. The results clearly demonstrate the good performance of the developed phase shifter and the feasibility of the proposed integrated framework.
收录类别sci ; ei
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59013
专题中科院长春光机所知识产出
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GB/T 7714
Li, P. Z.,X. D. Wang,Y. X. Sui,et al. Piezoelectric Actuated Phase Shifter Based on External Laser Interferometer: Design, Control and Experimental Validation[J]. Sensors,2017,17(4).
APA Li, P. Z.,X. D. Wang,Y. X. Sui,D. F. Zhang,D. F. Wang,&L. J. Dong and M. Y. Ni.(2017).Piezoelectric Actuated Phase Shifter Based on External Laser Interferometer: Design, Control and Experimental Validation.Sensors,17(4).
MLA Li, P. Z.,et al."Piezoelectric Actuated Phase Shifter Based on External Laser Interferometer: Design, Control and Experimental Validation".Sensors 17.4(2017).
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