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A SIMPLE STABILITY CRITERION FOR CONTROL SYSTEMS WITH VARYING DELAYS
Bo Lincoln
Department of Automatic Control, LTH
Box 118, 221 00 Lund, Sweden
bo.lincoln@control.lth.se
Stability in presence of (possibly varying) time-delays in a control loop consisting of a continuous-time plant and a discrete-time controller is studied. A simple stability criterion is developed, consisting of a graphical test in a Bode plot of the closed loop system. The graphical test makes it very easy to design the controller for time-delay robustness.
Keywords: Jitter, Delay, Stability, Digital control, H-infinity
Session slot T-Th-A21: Posters of Robotics and Robust Control/Area code 2e : Robust Control
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