The role of various parameters of the gas chromatograph PID controller

Time:2018/11/09 Pageviews:3 Share:

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1. Proportional link Instantly reflect the deviation signal of the control system and make immediate adjustments to the gas chromatograph control object.

2. The integral link is mainly used to eliminate the static difference and improve the non-difference of the gas chromatograph system 10ml-gas-analysis-vials. The integral link mainly depends on the integral time constant. The larger the value, the weaker the integral action, and vice versa.

3. Differential link Reflecting the variation law of the deviation signal lamp, a correction signal can be added to the system before the deviation signal becomes larger, which speeds up the gas chromatograph system operation speed and reduces the adjustment time.

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