## Industrial Control Handbook: Theory and ApplicationsThis series of books has been written as an introduction to process control for the undergraduate and newly qualified or practicing engineer. It aims to be readable as well as instructive, and mathematics have been kept to a minimum. |

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### Contents

Analytical methods and system modelling | 37 |

Stability | 90 |

Controllers | 146 |

Copyright | |

6 other sections not shown

### Common terms and phrases

actuator air flow amplifier amplitude ratio analog bits block diagram Bode diagram cascade control chlorine circuit closed loop combustion complex number constant control loop controller gain controller output curve damping factor dead zone deadband digital signal disturbances driving function effect ENDPR0C error signal example feedback feedforward Figure flow control frequency modulation frequency response furnace gain and phase gives heat increasing input integral action interaction level control system linear loop gain modulation Nichols chart noise non-linear Nyquist diagram open loop gain operator order lag orifice plate oscillations overshoot P+I controller parity parity bit phase margin phase shift pressure process control process variable rads/sec represented root locus s-plane sample saturation second order system sensor set point change shown simple sine wave sinusoidal speed stability steady steam step response term transducer transfer function transit delay transmission typical unity valve velocity voltage zero