Fault Predictive Control of Compact Disk Players

Peter Fogh Odgaard, Mladen Victor Wickerhauser

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

Optical disc players such as CD-players have problems playing certain discs with surface faults like scratches and fingerprints. The problem is to be found in the servo controller which positions the optical pick-up, such that the laser beam is focused on the information track. A scheme handling this problem, called feature based control, has been presented in an other publications of the first author. This scheme is based on an assumption that the surface faults do not change from encounter to encounter. This assumption is unfortunately not entirely true. This paper proposes an improvement of the feature based control scheme, such that a prediction step is included. The proposed scheme is compared with the feature based control scheme, in the perspective of handling surface faults, by simulations. These simulations show the improvements given by the proposed algorithm.
Original languageEnglish
Title of host publicationProceedings of 6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes
Number of pages6
PublisherPergamon Press
Publication date2006
Pages1063-1068
Publication statusPublished - 2006
Event6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes - Beijing, China
Duration: 30 Aug 20061 Sep 2006
Conference number: 6

Conference

Conference6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes
Number6
CountryChina
CityBeijing
Period30/08/200601/09/2006

Fingerprint

Compact disk players
Laser beams
Controllers

Keywords

  • Fault Tolerant Control, CD ROM, Predictive Control, Fault Detection, Signal Analysis
  • fault tolerant control
  • CD ROM
  • predictive control
  • fault detection
  • signal analysis

Cite this

Odgaard, P. F., & Wickerhauser, M. V. (2006). Fault Predictive Control of Compact Disk Players. In Proceedings of 6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes (pp. 1063-1068). Pergamon Press.
Odgaard, Peter Fogh ; Wickerhauser, Mladen Victor. / Fault Predictive Control of Compact Disk Players. Proceedings of 6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes. Pergamon Press, 2006. pp. 1063-1068
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Odgaard, PF & Wickerhauser, MV 2006, Fault Predictive Control of Compact Disk Players. in Proceedings of 6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes. Pergamon Press, pp. 1063-1068, 6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes, Beijing, China, 30/08/2006.

Fault Predictive Control of Compact Disk Players. / Odgaard, Peter Fogh; Wickerhauser, Mladen Victor.

Proceedings of 6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes. Pergamon Press, 2006. p. 1063-1068.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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AU - Wickerhauser, Mladen Victor

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N2 - Optical disc players such as CD-players have problems playing certain discs with surface faults like scratches and fingerprints. The problem is to be found in the servo controller which positions the optical pick-up, such that the laser beam is focused on the information track. A scheme handling this problem, called feature based control, has been presented in an other publications of the first author. This scheme is based on an assumption that the surface faults do not change from encounter to encounter. This assumption is unfortunately not entirely true. This paper proposes an improvement of the feature based control scheme, such that a prediction step is included. The proposed scheme is compared with the feature based control scheme, in the perspective of handling surface faults, by simulations. These simulations show the improvements given by the proposed algorithm.

AB - Optical disc players such as CD-players have problems playing certain discs with surface faults like scratches and fingerprints. The problem is to be found in the servo controller which positions the optical pick-up, such that the laser beam is focused on the information track. A scheme handling this problem, called feature based control, has been presented in an other publications of the first author. This scheme is based on an assumption that the surface faults do not change from encounter to encounter. This assumption is unfortunately not entirely true. This paper proposes an improvement of the feature based control scheme, such that a prediction step is included. The proposed scheme is compared with the feature based control scheme, in the perspective of handling surface faults, by simulations. These simulations show the improvements given by the proposed algorithm.

KW - Fault Tolerant Control, CD ROM, Predictive Control, Fault Detection, Signal Analysis

KW - fault tolerant control

KW - CD ROM

KW - predictive control

KW - fault detection

KW - signal analysis

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Odgaard PF, Wickerhauser MV. Fault Predictive Control of Compact Disk Players. In Proceedings of 6th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes. Pergamon Press. 2006. p. 1063-1068