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In this paper, operator based model output following control of the systems with time-varying delays is considered by using robust right coprime factorization approach. In details, a design scheme of operator based feedback control system is given, and sufficient condition for guaranteeing the robust stability of the systems with time-varying delays is derived. Further, model output following control...
The paper considers stability and robust H∞ controller design for discrete-time systems with random communication delays and state quantization. Communication delays between sensors and controllers are modeled by a finite state Markov process. Measurements are assuming to be quantized by a logarithmic quantizer, and the effect of quantization errors are incorporated into the controller design. Based...
In this paper, the robustness problem in time-delay control (TDC) is considered in the presence of the nonlinear friction dynamics of robot manipulators. As a remedy for this problem, the TDC is enhanced with a compensator based on internal model control (IMC). The robustness and stability of the proposed method have been analyzed to be effective against friction while preserving the positive attributes...
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