Finite-dimensional modeling of network-induced delays for real-time control systems.

Asok Ray, Yoram Halevi

Research output: Contribution to journalConference articlepeer-review

6 Scopus citations

Abstract

In integrated control systems (ICS), a feedback loop is closed by the common communication channel, which multiplexes digital data from the sensor to the controller and from the controller to the actuator along with the data traffic from other control loops and management functions. Due to asynchronous time-division multiplexing in the network access protocols, time-varying delays are introduced in the control loop, which degrade the system dynamic performance and are a potential source of instability. The delayed control system is represented by a finite-dimensional, time-varying, discrete-time model which is less complex than the existing continuous-time models for time-varying delays; this approach allows for simpler schemes for analysis and simulation of the ICS.

Original languageEnglish (US)
Pages (from-to)1077-1082
Number of pages6
JournalProceedings of the American Control Conference
Volume88 pt 1-3
DOIs
StatePublished - Jan 1 1988

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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