Implementation of non-uniform sampling for alias-free processing in digital control

Samir Khan, Roger M. Goodall, Roger Dixon

Research output: Chapter in Book/Report/Conference proceedingChapter

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Abstract

A non-uniform additive pseudo-random sampling pattern (mainly proposed in the signal processing communities) can be used for performing an ‘alias-free signal sampling’ process. The carefully designed sampling scheme can mitigate the effects of aliasing and permit significant reductions in the average sampling frequency, leading to more efficient processor utilization. Despite the fact that the sampling scheme potentially yields a number of advantages, has previously received no significant attention in the field of control theory for research. This paper highlights the implementation of this technique in digital control compensators, discussing the importance of selecting a suitable form for implementation and illustrates the potential benefits in terms of alias avoidance
Original languageEnglish
Title of host publicationProceedings of the UKACC International Conference on Control 2008
Publication statusPublished - 2008
EventUKACC International Conference on Control 2008 - University of Manchester, Manchester, United Kingdom
Duration: 2 Sep 20084 Sep 2008

Conference

ConferenceUKACC International Conference on Control 2008
CountryUnited Kingdom
CityManchester
Period2/09/084/09/08

Bibliographical note

This paper was given at the UKACC International Conference on Control 2008, University of Manchester 2-4 September 2008

Keywords

  • non-uniform sampling
  • alias-free signal
  • delta operator
  • IIR filtering

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