Bit Accurate Roundoff Noise Analysis of Fixed-point Linear Controllers

Thibault Hilaire 1 Daniel Menard 1 Olivier Sentieys 1
1 CAIRN - Energy Efficient Computing ArchItectures with Embedded Reconfigurable Resources
Inria Rennes – Bretagne Atlantique , IRISA-D3 - ARCHITECTURE
Abstract : The analytic evaluation of roundoff noise is an interesting approach to analyze the effects of fixed-point implementation of linear filters or controllers. This paper is based on a generic framework that describes controller algorithms. Fixed-point implementation (in different schemes) that is associated to these algorithms are exhibited, and the output roundoff noise power is then analytically build. Finally, the optimal realization problem, according to the roundoff noise power, is considered.
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Conference papers
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https://hal.inria.fr/inria-00459266
Contributor : Daniel Menard <>
Submitted on : Tuesday, February 23, 2010 - 3:29:10 PM
Last modification on : Wednesday, December 18, 2019 - 5:21:40 PM

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  • HAL Id : inria-00459266, version 1

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Thibault Hilaire, Daniel Menard, Olivier Sentieys. Bit Accurate Roundoff Noise Analysis of Fixed-point Linear Controllers. Computer-Aided Control Systems, 2008. CACSD 2008. IEEE International Conference on, Sep 2008, San Antonio, TX, United States. ⟨inria-00459266⟩

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