多振动MEMS陀螺仪温度补偿基于组合GWO-VMD-TCN-LSTM算法
1School of Engineer, The Hong Kong University of Science and Technology, Hong Kong, China.
Micromachines
|November 27, 2024
概括
这项研究介绍了多振动MEMS陀螺仪 (DMFVMG) 的新型温度补偿模型. 这种先进的方法显著减少了陀螺仪的误差,提高了在不同温度下的性能.
科学领域:
- * 工程和应用物理
- * 传感器技术和MEMS设备
背景情况:
- *MEMS陀螺仪对于导航和运动传感至关重要,但容易受到温度诱导的漂移.
- *现有的温度补偿方法往往难以在广泛的温度范围内达到高精度.
研究的目的:
- *为DMFVMGs开发和验证一个强大的温度补偿模型.
- *为了提高MEMS陀螺仪在温度变化下的精度和稳定性.
主要方法:
- *使用灰狼优化变化模式分解 (GWO-VMD) 消除陀螺仪信号.
- * 温度漂移预测采用混合时间卷积网络 (TCN) 和长短期记忆 (LSTM) 模型.
- * 集成GWO-VMD与TCN-LSTM预测进行全面的温度补偿.
主要成果:
- * 随机步行速率显著减少,从102.929°/h/√Hz降至17.6903°/h/√Hz (82.81%的改善).
- *偏差不稳定性从63.70°/h大幅减少到1.38°/h (97.83%的改善).
- *在各种温度条件下,证明了陀螺仪的性能和稳定性.
结论:
- * 拟议的基于GWO-VMD和TCN-LSTM的温度补偿模型有效地减轻了陀螺仪的错误.
- * 该模型提供了一种优越的解决方案,用于在可变的热环境中提高MEMS陀螺仪的准确性和可靠性.
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