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Quantized pressure control in large-scale nonlinear hydraulic networks | IEEE Conference Publication | IEEE Xplore

Quantized pressure control in large-scale nonlinear hydraulic networks


Abstract:

It was shown previously that semi-global practical pressure regulation at designated points of a large-scale nonlinear hydraulic network is guaranteed by distributed prop...Show More

Abstract:

It was shown previously that semi-global practical pressure regulation at designated points of a large-scale nonlinear hydraulic network is guaranteed by distributed proportional controllers. For a correct implementation of the control laws, each controller, which is located at these designated points and which computes the control law based on local information only (measured pressure drop), is required to transmit the control values to neighbor pumps, i.e. auxiliary pumps which are found along the same fundamental circuit. In this paper we show that quantized controllers can serve well to this purpose. Besides a theoretical analysis of the closed-loop system, we provide experimental results obtained in a laboratory district heating system. This approach is fully compatible with plug-and-play control strategies.
Date of Conference: 15-17 December 2010
Date Added to IEEE Xplore: 22 February 2011
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Conference Location: Atlanta, GA, USA

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