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Pendulous accelerometer dynamics enhanced via torque balance optimization control
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DOI：10.1016/j.sna.2024.115689.png)
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摘要
En 中文
Existing controller designs for pendulous accelerometers focus on maintaining angular balance, emphasizing low-frequency measurement performance while neglecting high-frequency dynamic control accuracy. However, in high dynamic conditions, dynamic control errors directly impact accelerometer measurement performance. Through mechanical analysis, residual torque on the pendulum is identified as a major contributor to dynamic control errors in pendulous accelerometers. To enhance the dynamic performance, a torque-balance Linear Quadratic Regulator (LQR) control method is proposed, aiming to suppress dynamic control errors by implementing torque balance control. The effectiveness and stability of this control method is demonstrated through simulations and experiments. Furthermore, this study compares the advantages of torque-balance LQR closed-loop systems in dynamic compensation. The results illustrate that the proposed method significantly enhances accelerometer dynamic control performance and compensated dynamic accuracy, thereby increasing reliability and accuracy in high dynamic conditions.
Keyword:
Pendulous accelerometer
Torque balance control
LQR control
Dynamic control error
Dynamic compensation
期刊
IF:
4.9
论文数:
1.5W
被引数:
3.3W
机构
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