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Minimum-energy pack...
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Zou, ZhenhuaKTH,Reglerteknik,ACCESS Linnaeus Centre
(författare)
Minimum-energy packet forwarding policies for guaranteed LQG performance in wireless control systems
- Artikel/kapitelEngelska2012
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IEEE,2012
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LIBRIS-ID:oai:DiVA.org:kth-104769
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104769URI
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https://doi.org/10.1109/CDC.2012.6426253DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:kon swepub-publicationtype
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QC 20121116
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This paper studies minimum-energy packet forwarding policies for communicating sensor measurements from plant to controller over an unreliable multi-hop wireless network so as to guarantee that the optimal controller achieves a prespecified closed-loop performance. For fixed sampling interval, we demonstrate that the minimal linear-quadratic control loss is monotonically decreasing in the reliability of the sensor-to-controller communication. This allows us to decompose the overall design problem into two separate tasks: finding the minimum end-to-end reliability that allows to achieve a prespecified linear-quadratic loss, and developing minimum-energy packet forwarding policies under a deadline-constrained reliability requirement. We develop optimal solutions for both subproblems and show how the co-designed system with minimum forwarding energy cost and guaranteed LQG control performance can be found by a one-dimensional search over admissible sampling periods. The paper ends with a numerical example which demonstrates the effectiveness of the proposed framework.
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Demirel, BurakKTH,Reglerteknik,ACCESS Linnaeus Centre(Swepub:kth)u1gfd9qb
(författare)
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Johansson, MikaelKTH,Reglerteknik,ACCESS Linnaeus Centre(Swepub:kth)u13pw0wb
(författare)
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KTHReglerteknik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:2012 IEEE 51st Annual Conference on Decision and Control (CDC): IEEE, s. 3341-33469781467320665
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