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Sökning: onr:v5qn3907s96d47m0 > Modelling, analysis...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
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020 z 9789171785862
024a http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-43002 uri
024a urn:nbn:se:kth:diva-43002 urn
040 a MimerProde a
041a eng
042 9 EPLK
100a Flärdh, Oscar,d 1980-4 aut
2451 0a Modelling, analysis and experimentation of a simple feedback scheme for error correction controlh [Elektronisk resurs]
264 1a Stockholm :b KTH,c 2007
300 a vi, 48
490a Trita-EE,x 1653-5146x 1653-5146 ;v 2007:009
500 a QC 20101105
500 a E32, E, Lindstedsvägen 3, KTH
502 a Lic.-avh. Stockholm : Kungliga Tekniska högskolan, 2007
506a gratis
520 a Data networks are an important part in an increasing number of applications with real-time and reliability requirements. To meet these demands a variety of approaches have been proposed. Forward error correction, which adds redundancy to the communicated data, is one of them. However, the redundancy occupies communication bandwidth, so it is desirable to control the amount of redundancy in order to achieve high reliability without adding excessive communication delay. The main contribution of the thesis is to formulate the problem of adjusting the redundancy in a control framework, which enables the dynamic properties of error correction control to be analyzed using control theory. The trade-off between application quality and resource usage is captured by introducing an optimal control problem. Its dependence on the knowledge of the network state at the transmission side is discussed. An error correction controller that optimizes the amount of redundancy without relying on network state information is presented. This is achieved by utilizing an extremum seeking control algorithm to optimize the cost function. Models with varying complexity of the resulting feedback system are presented and analyzed. Conditions for convergence are given. Multiple-input describing function analysis is used to examine periodic solutions. The results are illustrated through computer simulations and experiments on a wireless sensor network.
650 7a Engineering and Technology2 hsv
650 7a Electrical Engineering, Electronic Engineering, Information Engineering2 hsv
650 7a Control Engineering2 hsv
650 7a Teknik och teknologier2 hsv
650 7a Elektroteknik och elektronik2 hsv
650 7a Reglerteknik2 hsv
650 7a TECHNOLOGY2 svep
650 7a Information technology2 svep
650 7a Automatic control2 svep
650 7a TEKNIKVETENSKAP2 svep
650 7a Informationsteknik2 svep
650 7a Reglerteknik2 svep
653 a Network Control
653 a Error Correction
653 a Multiple-Input Describing Function
653 a Extremum Seeking Control
653 a Sensor Network Experiments
655 7a government publication2 marcgt
700a Johansson, Karl H.4 ths
700a Johansson, Mikael4 ths
700a Bernhardsson, Bo4 opn
710a KTHb Skolan för elektro- och systemteknik (EES)4 pbl
7721 0i channel recordw 8sl288zl5qs93gz
7760 8i Annat formatz 9789171785862
830 0a Trita-EE,x 1653-5146x 1653-5146 ;v 2007:009
8564 0u http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4300
8564 0u http://kth.diva-portal.org/smash/get/diva2:11709/FULLTEXT01
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0245 APISa urn:nbn:se:kth:diva-43002 urn
852 5 APISb APIS
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