Simulation modeling and optimization design of torque converter for quartz flexible accelerometer

被引：0
|
作者：
Xu Z. [1 ]
Xu X. [1 ]
Han Z. [1 ]
Chen C. [1 ]
Chen H. [1 ]
机构：
[1] Shanghai Institute of Mechanical and Electrical Engineering, Shang Hai
来源：
Zhongguo Guanxing Jishu Xuebao/Journal of Chinese Inertial Technology | 2024年 / 32卷 / 05期
关键词：
equivalent magnetic circuit; magnetic field uniformity; multi-parameter optimization; quartz flexible accelerometer; torque converter;
D O I：
10.13695/j.cnki.12-1222/o3.2024.05.010
中图分类号：
学科分类号：
摘要：
The magnetic field performance of quartz flexible accelerometer directly affects the output accuracy of the accelerometer, and the torque converter is the key to affect the internal magnetic field of the accelerometer. Therefore, taking the torque converter of quartz flexible accelerometer as the research object, the mathematical model of the working air gap magnetic field of the torque converter with compensating ring components are established by using equivalent magnetic circuit method. Based on this, the properties of the working air gap magnetic field uniformity and magnetic field strength are analyzed, and the multi-parameter optimization method is used to optimize the whole torque generator system. The simulation results show that the optimization model improves the uniformity of the air gap magnetic field of the torque converter effectively. The axial range ΔBR is decreased from 386.3396 mT to 108.2755 mT, and the end-point range ΔBD is decreased from 217.8894 mT to 2.1934 mT. The axial magnetic field of the air gap at the coil position is almost symmetrical. Thus, the nonlinear output of the accelerometer is reduced, which verifies the feasibility of the optimization scheme. © 2024 Editorial Department of Journal of Chinese Inertial Technology. All rights reserved.
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页码：492 / 498and510
相关论文
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