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基于视觉测量的微陀螺振动系统线性度测试研究

Keywords: 微机械陀螺,视觉测量,振动系统,线性度

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Abstract:

为了测试分析微陀螺驱动模态振动系统的线性度,使驱动模态在静电驱动信号激励下产生稳定的线性振动,采用计算机视觉测量方法,使用高速摄像机获取微陀螺驱动模态在频率固定的调幅驱动电压信号激励下的振动位移响应视频图像;通过对运动时序图像的处理、目标识别与运动参数测量,获得振动位移的时变曲线.进一步得到驱动电压幅值变化与振动位移幅值的变化关系,分析结果表明,该方法便于对微陀螺振动系统的线性度进行测试分析.

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