Computer Controlled Systems: Theory and Design |
Common terms and phrases
algorithm analog analysis approximation Assume calculations Chapter characteristic polynomial circuit closed-loop poles closed-loop system command signal computer-controlled systems Consider the system continuous-time system control law control signal control system D-A converter delay described design methods Determine discrete-time system discussed in Sec double integrator dynamic system eigenvalues error estimate Example factor feedback feedforward Figure follows given gives input signal input-output input-output models inside the unit introduced inverse Kalman filter least-squares linear system loop loss function LQ-controller matrix measured minimum-variance control Nyquist frequency obtained operator optimal output parameters possible prediction predictor pulse pulse-transfer function R₁ reachable regulator response sampled signal sampled system sampling instants sampling interval sampling period sequence shown in Fig simulation solution solved spectral density stable state-space steady-state stochastic process Theorem theory transfer function transform u(kh unit circle unit disc values variables variance white noise x(kh y(kh z-transform zero mean zero-order hold