Abstract
This chapter primarily tries to bridge the pertaining gaps in the literature regarding the design issues of a conventional time-delayed Control (TDC). A Razumikhin-theorem based new stability analysis of TDC is introduced in this chapter that establishes a relation between system stability and the choice of controller gains as well as sampling interval. Especially, the stability analysis allows the continuous-time system to absorb the sampled past data used in time-delayed estimation (TDE) method. Further, the obtained stability result empowers the designer with a range of sampling intervals for fixed choice of controller gains in different application scenarios without violating the system stability. This particular contribution provides a rostrum towards the system applications, which require high sampling intervals due to operational/application constraints. Finally, the design solutions of TDC introduced in this chapter are experimentally validated under various sampling intervals, using ‘PIONEER-3’ wheeled mobile robot.
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Notes
- 1.
Throughout this book, system stability refers closed-loop system stability, even if they are not mentioned explicitly.
- 2.
Note that \(K_P=K_D=4\) indeed make \(\mathbf {A}\) Hurwitz for system (1.11).
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Roy, S., Kar, I.N. (2020). Time-Delayed Control (TDC): Design Issues and Solutions. In: Adaptive-Robust Control with Limited Knowledge on Systems Dynamics. Studies in Systems, Decision and Control, vol 257. Springer, Singapore. https://doi.org/10.1007/978-981-15-0640-6_2
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