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On rate allocation ...
On rate allocation for multiple plants in a networked control system
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- Bao, Lei (författare)
- KTH,Kommunikationsteori,ACCESS Linnaeus Centre
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- Fischione, Carlo (författare)
- KTH,Reglerteknik,ACCESS Linnaeus Centre
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- Skoglund, Mikael (författare)
- KTH,Kommunikationsteori,ACCESS Linnaeus Centre
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(creator_code:org_t)
- IEEE Computer Society, 2012
- 2012
- Engelska.
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Ingår i: 2012 American Control Conference (ACC). - : IEEE Computer Society. - 9781457710957 ; , s. 2024-2029
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- 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.
Nyckelord
- Channel error probabilities
- Closed-form expression
- Communication rate
- Communication resources
- Control performance
- Finite horizons
- High-rate quantization
- Linear controls
- Linear quadratic Gaussian theory
- Multi objective
- Multi-objective functions
- Objective functions
- Rate allocation
- Region of interest
- Shared communication medium
- Total transmission rate
- Linear control systems
- Networked control systems
- Communication
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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