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Discrete Event Dynamic Systems

, Volume 24, Issue 2, pp 219–245 | Cite as

Stabilizing bit-rates in networked control systems with decentralized event-triggered communication

  • Yu Sun
  • Xiaofeng Wang
Article

Abstract

In a decentralized event-triggered networked control system (NCS), an agent samples and transmits its local state information to the controller when some local event occurs. Such event-triggered NCSs were expected to be more efficient than traditional periodically sampled system in terms of communication channel usage. This paper studies the stability of decentralized event-triggered NCS in the presence of quantization and delays. We point out some potential issues in decentralized event-triggered design and propose an alternative decentralized event with a linear-affine threshold, which avoids infinitely fast data transmission. Conditions on quantizer and communication channel are derived, which, when satisfied, can guarantee stability of the resulting NCS. Based on these conditions, finite stabilizing bit-rates are provided.

Keywords

Decentralized event-triggering Networked control system Quantization Delays 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Department of Mechanical Science and EngineeringUniversity of Illinois at Urbana-ChampaignUrbanaUSA
  2. 2.Department of Electrical EngineeringUniversity of South CarolinaColumbiaUSA

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