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Time-triggering versus event-triggering control over communication channels

Khojasteh, Mohammad Javad and Tallapragada, Pavankumar and Cortes, Jorge and Franceschetti, Massimo (2017) Time-triggering versus event-triggering control over communication channels. In: IEEE 56th Annual Conference on Decision and Control (CDC), DEC 12-15, 2017, Melbourne, AUSTRALIA.

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Official URL: https://arxiv.org/abs/1703.10744


Time-triggered and event-triggered control strategies for stabilization of an unstable plant over a rate-limited communication channel subject to unknown, bounded delay are studied and compared. Event triggering carries implicit information, revealing the state of the plant. However, the delay in the communication channel causes information loss, as it makes the state information out of date. There is a critical delay value, when the loss of information due to the communication delay perfectly compensates the implicit information carried by the triggering events. This occurs when the maximum delay equals the inverse of the entropy rate of the plant. In this context, extensions of our previous results for event triggering strategies are presented for vector systems and are compared with the data-rate theorem for time-triggered control, that is extended here to a setting with unknown delay.

Item Type: Conference Paper
Series.: IEEE Conference on Decision and Control
Publisher: IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Additional Information: Copy right for the article belong to IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 08 Mar 2018 19:04
Last Modified: 08 Mar 2018 19:04
URI: http://eprints.iisc.ac.in/id/eprint/59148

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