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On rate allocation ...
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Bao, LeiKTH,Kommunikationsteori,ACCESS Linnaeus Centre
(författare)
On rate allocation for multiple plants in a networked control system
- Artikel/kapitelEngelska2012
Förlag, utgivningsår, omfång ...
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IEEE Computer Society,2012
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-108014
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-108014URI
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Språk:engelska
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Sammanfattning på:engelska
Ingår i deldatabas
Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:kon swepub-publicationtype
Anmärkningar
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QC 20121221
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The problem of allocating communication resources to multiple plants in a networked control system is investigated. In the presence of a shared communication medium, a total transmission rate constraint is imposed. For the purpose of optimizing the rate allocation to the plants over a finite horizon, two objective functions are considered. The first one is a single-objective function, and the second one is a multi-objective function. Because of the difficulty to derive the closed-form expression of these functions, which depend on the instantaneous communication rate, an approximation is proposed by using high-rate quantization theory. It is shown that the approximate objective functions are convex in the region of interest both in the scalar case and in the multi-objective case. This allows to establish a linear control policy given by the classical linear quadratic Gaussian theory as function of the channel. Based on this result, a new complex relation between the control performance and the channel error probability is characterized.
Ämnesord och genrebeteckningar
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Channel error probabilities
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Closed-form expression
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Communication rate
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Communication resources
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Control performance
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Finite horizons
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High-rate quantization
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Linear controls
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Linear quadratic Gaussian theory
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Multi objective
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Multi-objective functions
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Objective functions
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Rate allocation
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Region of interest
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Shared communication medium
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Total transmission rate
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Linear control systems
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Networked control systems
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Communication
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Fischione, CarloKTH,Reglerteknik,ACCESS Linnaeus Centre(Swepub:kth)u18ax6vz
(författare)
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Skoglund, MikaelKTH,Kommunikationsteori,ACCESS Linnaeus Centre(Swepub:kth)u1dbnyps
(författare)
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KTHKommunikationsteori
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:2012 American Control Conference (ACC): IEEE Computer Society, s. 2024-20299781457710957
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