Lyapunov Stability of Linear Predictor Feedback for Time-Varying Input Delay

  title={Lyapunov Stability of Linear Predictor Feedback for Time-Varying Input Delay},
  author={Miroslav Krstic},
  journal={Proceedings of the 48h IEEE Conference on Decision and Control (CDC) held jointly with 2009 28th Chinese Control Conference},
For linear time-invariant systems with a time-varying input delay, an explicit formula for predictor feedback was presented by Nihtila in 1991. In this note we construct a time-varying Lyapunov functional for the closed-loop system and establish exponential stability. The key challenge is the selection of a state for a transport partial differential equation, which has a non-constant propagation speed, and which is the basis of the stability analysis. We illustrate the design and its conditions… CONTINUE READING
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