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Process control systems

Reference data et engineering information about process control systems pour process control applications.

processcontrolsystems

Overview

Engineering reference data for Process Control Systems in process control.

Key Formulas

PID Controller

u(t)=Kpe(t)+Kie(t)dt+Kddedtu(t) = K_p e(t) + K_i \int e(t)dt + K_d \frac{de}{dt}

Proportional-Integral-Derivative control.

Transfer Function

G(s)=Kτs+1G(s) = \frac{K}{\tau s + 1}

First-order system.

Variables

SymbolDescriptionUnit
KpK_pProportional gain
KiK_iIntegral gain1/s
KdK_dDerivative gains
τ\tauTime constants

References