BISOPE series 87- Trend and Time Waveform------------------------

The three major graphs of vibration analysis can be explained as time waveform, frequency spectrum, and trend graph.

However, there are cases where trend graphs and time waveform graphs are confused.

Generally, the graph that can be checked most often on the monitoring screen, especially in the control room, is the trend graph. Let's compare this with the time waveform graph to find out what the difference is.

 

 

Trend and Time Waveform

 

The difference between trend and time waveform is as follows.

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Key! Waveform, Spectrum, and trend graphs

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125 경향과 시간파형trend와 waveform



동영상 125-경향과 시간파형(trend와 waveform)

추이그래프(경향그래프)

trend 장기간 추이에 따른 변화량의 크기를 표현한 그래프

-Time history=경향그래프=트렌드선도

-설비관리담당자가 가장 쉽게 접근하여 파악하는 경향그래프

-직관적이고 추이관리에 쉬운

시간파형데이타 waveform

용도: 임펄스의 관찰, 충격파와 정현파의 구별, 맥동파확인, 비대칭파 확인, 저주파측정, 주기파확인, 위상차확인에 장점.

*참고: 진동소음 3대 그래프: Waveform과 Spectrum 그리고 trend그래프

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