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Coded Control over Lossy Networks
KTH, Skolan för elektroteknik och datavetenskap (EECS), Reglerteknik. KTH, Skolan för elektroteknik och datavetenskap (EECS), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0001-9940-5929
Vise andre og tillknytning
2018 (engelsk)Inngår i: Proceedings of the American Control Conference, Institute of Electrical and Electronics Engineers Inc. , 2018, s. 3602-3608Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We consider a networked control system with an unreliable feedback link from the sensor to the controller. Specifically, a discrete-time linear system is to be controlled via a packet-drop channel where multiple packets are transmitted at each time instance. We propose a coded control scheme that jointly designs the coding strategy, which mitigates the channel unreliability, and the control strategy, which stabilizes the unstable system. This scheme is based on the idea of successive refinement, that more important system states (or linear combinations thereof) should be better protected against the unreliable channel. The proposed scheme is simple to implement as it uses a static encoder and decoder/controller, in the sense that all encoding and decoding procedures do not require information from previous time steps. Furthermore, we compare it with two other static schemes and show that our approach strikes a good balance between optimality and complexity.

sted, utgiver, år, opplag, sider
Institute of Electrical and Electronics Engineers Inc. , 2018. s. 3602-3608
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-238031DOI: 10.23919/ACC.2018.8431277Scopus ID: 2-s2.0-85052565729ISBN: 9781538654286 (tryckt)OAI: oai:DiVA.org:kth-238031DiVA, id: diva2:1278860
Konferanse
2018 Annual American Control Conference, ACC 2018, 27 June 2018 through 29 June 2018
Merknad

Conference code: 138710; Export Date: 30 October 2018; Conference Paper; CODEN: PRACE; Funding details: UC Berkeley, University of California Berkeley; Funding details: P2ELP2_165137; Funding details: P2ELP2_165155; Funding text: Ye Pu, Jingge Zhu, Kannan Ramchandran and Claire J. Tomlin are with the EECS Department, University of California, Berkeley, CA, USA, e-mail: {yepu, jingge.zhu, kannanr, tomlin}@eecs.berkeley.edu. Y. Pu and J. Zhu are supported by the Swiss NSF under Projects P2ELP2_165137 and P2ELP2_165155.

QC 20190115

Tilgjengelig fra: 2019-01-15 Laget: 2019-01-15 Sist oppdatert: 2019-01-15bibliografisk kontrollert

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