Automatic Control Systems |
Contents
Introduction to Feedback Control Systems | 1 |
Equations and Models of Linear Systems | 10 |
Components of Feedback Control Systems | 88 |
Copyright | |
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amplifier analysis applied assumed becomes block diagram Bode plot breakaway point characteristic equation circuit closed-loop compensation complex considered constant constructed corresponding curve damping defined derivative describing function determined difference direction effect elements equal error example feedback control system frequency friction G(jw gain given half Hence illustrated increased input K₁ Laplace transform last equation linear linear system located locus loop magnitude means method motor negative node nonlinear obtained original output path phase margin phase plane phase shift phase-lead poles positive rad/sec ratio real axis reference relay represented respectively response root contours root loci s-plane sampled-data sampling servo system shown in Fig shows signal signal flow graph simple sketched stability step T₁ torque transfer function unit unstable usually variable varied voltage written zero