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LIST OF SYMBOLS
THE LAPLACE TRANSFORM
FREQUENCY RESPONSE ANALYSIS 18
8 other sections not shown
12 db/octave acceleration amplitude applied approximate arctan asymptotic diagram attenuation Bode plot breakaway point calculate capacitor characteristic equation closed-loop coefficients complex conjugate components corner frequencies curve damping factor denominator determine differential equation dimensionless dyne-cm electrical expression Figure Find the Laplace frequency response gm-cm Im(s impedance inertia input command KGH(s lag-lead network Laplace transform lead network linear load low frequency low-frequency maximum natural frequency negative real axis Nichols chart no-load speed number of poles ohms open-loop transfer function oz-in parameters partial fraction expansion phase angle phase lag phase margin phase shift poles and zeros potentiometer Prob PROBLEM quadratic rad/sec radians Re(s Refer to Fig right-hand half plane root locus rotation rotor s-plane servo servomechanism servomotor shown by Fig shows simplified sinusoidal Sketch slope Solution Solving stability stall torque Substituting synchro tachometer tachometer feedback vector velocity constant voltage volts