Abstract
In this chapter, the tracking control problem for a unicycle-type mobile robot with network-induced delays is addressed. The time-delay affects the system due to the fact that the controller and the robot are linked via a delay-inducing communication channel, by which the performance and stability of the system are possibly compromised. In order to tackle the problem, a state estimator with a predictor-like structure is proposed. Acting in conjunction with a tracking control law, the resulting control strategy is capable of stabilizing the system and compensates for the negative effects of the time-delay. The local uniform asymptotic stability of the closed-loop system is guaranteed up to a maximum admissible time-delay, for which explicit expressions are provided in terms of the system’s control parameters. The applicability of the proposed estimator-control strategy is demonstrated by means of experiments carried out between multi-robot platforms located in Eindhoven, The Netherlands and Tokyo, Japan.
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Alvarez-Aguirre, A., van de Wouw, N., Oguchi, T., Kojima, K., Nijmeijer, H. (2011). Remote Tracking Control of Unicycle Robots with Network-Induced Delays. In: Cetto, J.A., Ferrier, JL., Filipe, J. (eds) Informatics in Control, Automation and Robotics. Lecture Notes in Electrical Engineering, vol 89. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19539-6_15
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DOI: https://doi.org/10.1007/978-3-642-19539-6_15
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