Control under communication constraints

There is an increasing interest in studying control systems employing multiple sensors and actuators that are geographically distributed. Communication is an important component of these distributed and networked control systems. Hence, there is a need to understand the interactions between the cont...

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Bibliographic Details
Published in:IEEE transactions on automatic control Vol. 49; no. 7; pp. 1056 - 1068
Main Authors: Tatikonda, S., Mitter, S.
Format: Journal Article
Language:English
Published: New York, NY IEEE 01.07.2004
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Actuators
Applied sciences
Communication channels
Communication system control
Computer science; control theory; systems
Control systems
Control theory. Systems
Decoding
Distributed control
Exact sciences and technology
Joining processes
Networked control systems
Observability
Sensor systems
Lower bound
Control constraint
Upper bound
Multiple system
Distributed control
Distributed system
Information control
Monitoring control system
ISSN:0018-9286, 1558-2523
Online Access:Get full text
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Summary:There is an increasing interest in studying control systems employing multiple sensors and actuators that are geographically distributed. Communication is an important component of these distributed and networked control systems. Hence, there is a need to understand the interactions between the control components and the communication components of the distributed system. In this paper, we formulate a control problem with a communication channel connecting the sensor to the controller. Our task involves designing the channel encoder and channel decoder along with the controller to achieve different control objectives. We provide upper and lower bounds on the channel rate required to achieve these different control objectives. In many cases, these bounds are tight. In doing so, we characterize the "information complexity" of different control objectives.
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ISSN:0018-9286
1558-2523
DOI:10.1109/TAC.2004.831187