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福建光沃自动化设备有限公司
联系人 ：欧工（销售经理）
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对转辙器进行远程监控，通过监控数据准确诊断早期故障并完成故障定位，为轨旁设备整体维修维护提供决策支持，最终达到降低系统风险，并降低系统维修维护费用的目的，从而达到安全性和经济性的平衡点。
转辙器由几大核心部件组成，包括电机、定位杆、固定轨、移动轨、驱动杆等，精确的故障诊断和定位有助于维修维护团队准确及时的解决问题。常见的故障模式包括不对准、摩擦力上升、有异物等。
图2转辙器示例[3]
对关键设备的早期故障诊断及故障定位，核心在于发现或者创造相应的故障特征。故障特征可以是原始信号，也可以是由原始信号加工得到。主要运用技术包括数字信号处理、特征选择、降维、时间序列分析、以及多变量状态估计等。在实际系统构架当中，各种技术需要搭配使用，相辅相成，最终实现目的。
如下图所示，从原始信号中，例如电机电压、电流、扭矩等，得到的特征应该在设备性能发生衰退时呈现出逐渐偏移的趋势，并且偏移的速率与衰退的速率成正比。当然，这是理想状态下的完美特征，也是无数工业数据分析工作者的完美伴侣。在通常情况下，受制于原始信号的完整性，以及工作环境的变化等，这样的完美伴侣总是如“戈多”一样的可遇而不可求。
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