By B. Bandyopadhyay
Sliding mode keep an eye on is an easy and but powerful keep an eye on approach, the place the approach states are made to restrict to a specific subset. With the expanding use of pcs and discrete-time samplers in controller implementation within the contemporary prior, discrete-time platforms and computing device established keep an eye on became very important subject matters. This monograph provides an output suggestions sliding mode keep watch over philosophy that are utilized to just about all controllable and observable platforms, whereas even as being uncomplicated sufficient as to not tax the pc an excessive amount of. it truly is proven that the answer are available within the synergy of the multirate output sampling suggestion and the idea that of discrete-time sliding mode keep an eye on.
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Extra resources for Discrete-time Sliding Mode Control: A Multirate Output Feedback Approach
13. 1 In27odwc2ion In recent years, the study of sliding mode control for systems with time delay in its state dynamics has received consideration. The delays present in a system can be broadly categorized into three categories. The input delay, state delay and output delay. Input delay is caused by the transmission of a control signal over a long distance. State delay is due to transmission or transport delay among interacting elements in a dynamic system. The output delay is to delay due to sensors.
They may move about the surface, thus giving a sliding-like mode or Quasi-sliding motion (QSM). The aforementioned sliding mode control strategies are based on state feedback. Since all the systems states may not be available for measurement in most systems, such control strategies have a problem from the implementation point of view. This prompted the development of output feedback sliding mode control strategies [18,48,83]. However, these control strategies also have certain shortcomings. Sliding mode control strategies based on static output feedback may not exist for control for all controllable and observable linear systems, whereas dynamic controllers would increase the complexity of the system.
13). It can be seen from the phase plots in Fig. 12) that the constructed multirate output feedback control law is able to make the perturbed system behave in a manner similar to an unperturbed feedback system. The plot of the applied control is given in Fig. 13). 5 3 Fig. 12. 4 MROF based Integral Sliding Mode in Discrete-time Systems 3 2 1 Control Input 0 −1 −2 −3 −4 −5 −6 0 50 100 150 200 250 Samples 300 350 400 Fig. 13. 1 In27odwc2ion In recent years, the study of sliding mode control for systems with time delay in its state dynamics has received consideration.