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Drag-Free Control Based on A Novel Semi-Physical Simulation Platform

by Ren, Yuqi , Kang, Qi , Cui, Bing , He, Jianwu , Chen, Mingwei , Xia, Yuanqing , Gao, Han , Zhang, Chu , Ping, Shanyan , Duan, Li

in Complexity / Control theory / Controllers / Degrees of freedom / Drag / drag-free control / Gravitational waves / H-infinity control / hybrid sensitivity / Physical simulation / Proportional integral derivative / semi-physical simulation

2025

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Drag-Free Control Based on A Novel Semi-Physical Simulation Platform

by Ren, Yuqi , Kang, Qi , Cui, Bing , He, Jianwu , Chen, Mingwei , Xia, Yuanqing , Gao, Han , Zhang, Chu , Ping, Shanyan , Duan, Li

2025

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Drag-Free Control Based on A Novel Semi-Physical Simulation Platform

by Ren, Yuqi , Kang, Qi , Cui, Bing , He, Jianwu , Chen, Mingwei , Xia, Yuanqing , Gao, Han , Zhang, Chu , Ping, Shanyan , Duan, Li

2025

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Journal Article

Drag-Free Control Based on A Novel Semi-Physical Simulation Platform

Ren, Yuqi,

Kang, Qi,

Cui, Bing,

He, Jianwu,

Chen, Mingwei,

Xia, Yuanqing,

Gao, Han,

Zhang, Chu,

Ping, Shanyan,

Duan, Li

2025

Overview

Space gravitational wave detection drag-free control has many degrees of freedom, complex control mode, high accuracy requirements, and ground-based simulation of all degrees of freedom and controller verification experiments are challenging due to complexity. To simulate selected degrees of freedom on the ground, a drag-free control semi-physical simulation platform is designed, which emulates space satellite motion and two test masses arranged at a 60° angle. According to the physical model of the system, a disturbance resistant drag-free controller is designed based on H∞. The drag-free control validation experiments are carried out on the built semi-physical simulation experimental platform, and the results verify the characteristics of the controller. Thus, the effectiveness of the proposed drag-free control algorithm is verified, and the H∞ controller demonstrates superior control performance compared to the PID controller.

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Publisher

IOP Publishing

Subject

/ Drag

/ Gravitational waves