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福建光沃自動化設備有限公司
聯(lián)系人 ：歐工（銷售經理）
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對轉轍器進行遠程監(jiān)控，通過監(jiān)控數據準確診斷早期故障并完成故障定位，為軌旁設備整體維修維護提供決策支持，最終達到降低系統(tǒng)風險，并降低系統(tǒng)維修維護費用的目的，從而達到安全性和經濟性的平衡點。
轉轍器由幾大核心部件組成，包括電機、定位桿、固定軌、移動軌、驅動桿等，精確的故障診斷和定位有助于維修維護團隊準確及時的解決問題。常見的故障模式包括不對準、摩擦力上升、有異物等。
圖2轉轍器示例[3]
對關鍵設備的早期故障診斷及故障定位，核心在于發(fā)現或者創(chuàng)造相應的故障特征。故障特征可以是原始信號，也可以是由原始信號加工得到。主要運用技術包括數字信號處理、特征選擇、降維、時間序列分析、以及多變量狀態(tài)估計等。在實際系統(tǒng)構架當中，各種技術需要搭配使用，相輔相成，最終實現目的。
如下圖所示，從原始信號中，例如電機電壓、電流、扭矩等，得到的特征應該在設備性能發(fā)生衰退時呈現出逐漸偏移的趨勢，并且偏移的速率與衰退的速率成正比。當然，這是理想狀態(tài)下的完美特征，也是無數工業(yè)數據分析工作者的完美伴侶。在通常情況下，受制于原始信號的完整性，以及工作環(huán)境的變化等，這樣的完美伴侶總是如“戈多”一樣的可遇而不可求。
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