抗伪造的多位西格玛-三角形调制的状磁盘共振器陀螺仪,具有扩展输入范围的输入范围
Bo Fan1,2,3, Shihao Du4, Jingchuan Zhou4
1School of Electrical Engineering, University of South China, Hengyang, China.
Microsystems & nanoengineering
|April 21, 2025
概括
一个新的类似于蜘蛛网的磁盘共振陀螺仪 (CDRG) 使用多位西格玛-三角形调制 (ΣΔΜ) 来大大增加可测量的角速率范围并提高性能. 这种先进的陀螺仪设计提高了信号噪声比,并减少了噪声,而不需要更高的电压.
科学领域:
- 机械工程 机械工程
- 电气工程 电气工程
- 传感器技术 传感器技术
背景情况:
- 传统的西格玛-三角调制 (ΣΔΜ) 陀螺仪系统在输入角速率信号范围和性能指标方面存在局限性.
- 单位 ΣΔΜ 系统通常需要更高的启动电压来实现更广泛的范围,影响效率和设计复杂性.
研究的目的:
- 引入一种与多位电机 ΣΔΜ 系统集成的新型蜘蛛网式磁盘共振陀螺仪 (CDRG).
- 显著扩大输入角速率信号范围,并改善信号噪声比 (SNR) 和降噪等关键性能指标.
- 通过线性多位力反机制克服单位 ΣΔΜ 陀螺仪系统的局限性.
主要方法:
- 在CDRG中集成一个多位电机西格玛-三角调制 (ΣΔΜ) 系统.
- 实现线性多位力反机制,使用由脉冲密度调制驱动的非线性执行器.
- 没有电子修剪的拟议陀螺仪系统的实验评估.
主要成果:
- 与传统的 ΣΔΜ CDRG 配置相比,新型 CDRG 系统的输入范围得到了 30% 的改善.
- 在角度随机步行 (106.2%的改善) 和偏差不稳定 (487.9%的改善) 中观察到显著的改善.
- 该设计成功地扩大了输入范围,而不需要更高的执行电压.
结论:
- 拟议的多位 ΣΔΜ CDRG 系统比传统设计提供了相当大的性能提升.
- 这种创新方法有效地扩大了磁盘共振器陀螺仪的操作范围,并提高了磁盘共振器陀螺仪的精度.
- 该系统为高性能角率传感应用提供了更高效和有效的解决方案.
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