Control Technology of Dual Liquid Crystal Polarization Gratings Based on Model Prediction Under Airborne Platform

Xinqing Yi; Yang Liu; Yunjie Teng; Jianhua Liu; Junyao Wang; Jifeng Zhang

doi:10.3788/AOS240910

Acta Optica Sinica, Volume. 44, Issue 20, 2006001(2024)

Control Technology of Dual Liquid Crystal Polarization Gratings Based on Model Prediction Under Airborne Platform

Xinqing Yi^1,2, Yang Liu^1,2、*, Yunjie Teng¹, Jianhua Liu², Junyao Wang^1,2, and Jifeng Zhang^1,2

¹Institute of Space Optoelectronics Technology, School of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin , China

²National and Local Joint Engineering Research Center for Space Optoelectronic Technology, School of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin , China

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Figures & Tables(9)

Fig. 1. Schematic of beam deflection process

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Fig. 2. Overall block diagram of the control system

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Fig. 3. Block diagram of MPC controller

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Fig. 4. Design drawing of dual-grating system

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Fig. 5. Model of the experimental system

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Fig. 6. Vibration curve after attenuation

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Fig. 7. Tracking field of view

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Fig. 8. Tracking errors of the system under 2°@0.5 Hz perturbation. (a) Yaw tracking error; (b) pitch tracking error

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Fig. 9. Tracking errors of the system under 5°@0.2 Hz perturbation. (a) Yaw tracking error; (b) pitch tracking error

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Xinqing Yi, Yang Liu, Yunjie Teng, Jianhua Liu, Junyao Wang, Jifeng Zhang. Control Technology of Dual Liquid Crystal Polarization Gratings Based on Model Prediction Under Airborne Platform[J]. Acta Optica Sinica, 2024, 44(20): 2006001

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Apr. 24, 2024

Accepted: May. 23, 2024

Published Online: Oct. 12, 2024

The Author Email: Yang Liu (ly1991@cust.edu.cn)

DOI:10.3788/AOS240910

CSTR:32393.14.AOS240910

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology