Abstract
In Networked Control System, the state feedback SMC is the simplest way for designing controller provided all state information is available. However, in many practical situations in network-based control system most of the states are observable but they are immeasurable. So it is essential to design the SMC controller using output information which is always available. This chapter presents the design of multirate output feedback-based discrete-time sliding mode controller in which the control input is computed using the system outputs and past control signals by taking full advantage of network transmission. A Thiran approximation technique is used to compensate the networked-induced delays for designing sliding mode controller (SMC). The stability of the closed-loop NCSs is derived using Lyapunov approach. Simulations results are presented to demonstrate the effectiveness of the proposed approach.
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Shah, D.H., Mehta, A. (2018). Multirate Output Feedback-Based Discrete-Time Sliding Mode Controller for NCS Having Deterministic Fractional Delay. In: Discrete-Time Sliding Mode Control for Networked Control System. Studies in Systems, Decision and Control, vol 132. Springer, Singapore. https://doi.org/10.1007/978-981-10-7536-0_5
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DOI: https://doi.org/10.1007/978-981-10-7536-0_5
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