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Category Archives: Signal Filters and the PID with Controller Output Filter Algorithm

07
Apr 2015
4

PID with CO Filter Disturbance Rejection in the Jacketed Stirred Reactor

Signal Filters and the PID with Controller Output Filter Algorithm controlguru

The control objective for the jacketed stirred reactor process is to minimize the impact on reactor operation when the temperature of the liquid entering the cooling jacket changes. We have […]

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07
Apr 2015
8

PID with CO Filter Control of the Heat Exchanger

Signal Filters and the PID with Controller Output Filter Algorithm controlguru

The same tuning recipe we successfully demonstrated for PI control and PID controldesign and tuning can be used when a controller output (CO) filter is added to the heat exchanger […]

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07
Apr 2015
24

PID with Controller Output (CO) Filter

Signal Filters and the PID with Controller Output Filter Algorithm controlguru

The derivative action of a PID controller can cause noise in the measured process variable (PV) to be amplified and reflected as “chatter” in the controller output (CO) signal. Signal […]

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07
Apr 2015
59

Using Signal Filters In Our PID Loop

Signal Filters and the PID with Controller Output Filter Algorithm controlguru

In our study of the derivative mode of a PID controller, we explored how noise or random error in the measured process variable (PV) can degrade controller performance. As discussed […]

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