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Multi-rate networked control of conic (dissipative) systems | IEEE Conference Publication | IEEE Xplore

Multi-rate networked control of conic (dissipative) systems


Abstract:

This paper presents a novel multi-rate digital-control system which preserves stability while providing robustness to time-delay and data loss. In addition, this architec...Show More

Abstract:

This paper presents a novel multi-rate digital-control system which preserves stability while providing robustness to time-delay and data loss. In addition, this architecture allows for high-order anti-aliasing filters to be included which do not adversely affect system stability. Therefore, it allows for improved noise-rejection and system performance as compared to traditional digital control systems. It is shown that this framework, based on passivity-based networked control principles, can be used to control not only passive-(dissipative) systems (systems inside the sector [0, ∞]) but conic-(dissipative) systems which are inside the sector [a, b] in which \a\ <; b, 0 <; b ≤ ∞. We demonstrate the applicability of our result through the direct position control of a single-degree of freedom haptic paddle which is inside the sector [-τ, ∞] in which 0 <; τ <; ∞.
Date of Conference: 29 June 2011 - 01 July 2011
Date Added to IEEE Xplore: 18 August 2011
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Conference Location: San Francisco, CA, USA

References

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