基于优化模糊控制策略的微加工振动陀螺仪数字快速启动程序

The 9th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS) Pub Date : 2014-04-13 DOI:10.1109/NEMS.2014.6908792

Long Wang, Qiancheng Zhao, Minghao Nie, Dachuan Liu, Yuxian Liu, Junjie Yan, Zhenchuan Yang, G. Yan

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引用次数: 0

摘要

本文提出了一种优化的数字模糊控制策略，以实现MEMS陀螺仪在各种环境温度下的快速启动。采用基于CORDIC算法的频率可调正弦波合成器驱动MEMS(微机电系统)振动陀螺仪。驱动频率通过频率控制器固定在陀螺仪的谐振频率上。通过采用模糊控制策略设计启动频率控制器，在不同的环境温度下有效地缩短了启动时间，试验结果得到了验证。在环境温度-30 ~ 60℃范围内进行了一系列启动试验，试验启动时间由~2.5s(用PID频率控制器测试)提高到~100ms。此外，该程序具有88dB的较高信噪比。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Digital fast startup procedure for micro-machined vibratory gyroscopes using optimized fuzzy control strategy

In this paper, we present an optimized digital fuzzy control strategy in order to realize fast startup of MEMS gyroscopes in various ambient temperatures. In the proposed procedure, the MEMS (Micro-ElectroMechanical Systems) vibratory gyroscope is driven with a sinusoidal wave synthesizer of adjustable frequency based on CORDIC algorithm. The drive frequency is fixed on the resonant frequency of the gyroscope with a frequency controller. By deliberate design of startup frequency controller using fuzzy control strategy, the startup time is decreased effectively in different ambient temperatures verified with test results. A series of startup test is performed under ambient temperatures ranging from -30 to 60°C, the tested startup time is improved from ~2.5s (tested with PID frequency controller) to ~100ms. What's more, this procedure has a higher SNR of 88dB.

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The 9th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)

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