## Principles of automatic control |

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### Contents

The Fundamentals and Applications of Closed Loop Control | 3 |

The Analytic Viewpoint | 13 |

Contents xiii | 16 |

Copyright | |

16 other sections not shown

### Common terms and phrases

20 logio acceleration actuating signal amplifier amplitude analysis applied approximation asymptotes autocorrelation function axis Bode diagrams Chapter characteristic equation circuit closed loop control closed loop system coefficients complex considered criterion crosscorrelation curve damping dead zone defined derivative describing function differential equation equivalent example Fourier frequency response frequency response function G(co inertia integral KiKz lag network Laplace transform load loop transfer function matrix maximum mean square error measured methods minimum phase motor negative Nichols chart nonlinear Nyquist diagram open loop open loop gain open loop transfer oscillation parameter phase lead network phase margins phase shift plotted poles and zeros probability density function problem root loci s-plane sampled signal saturation Section servo servomechanism shown in Fig sinusoidal speed stable system steady step input system of Fig tan-i technique torque transducer transient unstable variable diagram vector velocity feedback viscous friction voltage