Hydraulic Modelling for Pressure Reducing Valve Controller Design Addressing Disturbance Rejection and Stability Properties | Zendy

Tomasz Janus | Zendy; Bogumił Ulanicki | Zendy

Open Access

Hydraulic Modelling for Pressure Reducing Valve Controller Design Addressing Disturbance Rejection and Stability Properties

Author(s) -

Tomasz Janus,

Bogumił Ulanicki

Publication year - 2017

Publication title -

procedia engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.32

H-Index - 74

ISSN - 1877-7058

DOI - 10.1016/j.proeng.2017.03.280

Subject(s) - setpoint , disturbance (geology) , pressure regulator , control theory (sociology) , stability (learning theory) , terrain , controller (irrigation) , engineering , pressure control , control engineering , computer science , control (management) , geology , mechanical engineering , paleontology , ecology , agronomy , artificial intelligence , machine learning , biology

Open Access articlePressure reducing valves (PRVs) are widely used in water distribution systems to reduce excess pressure caused by variations in\udterrain elevation or by excessive pumping. The fundamental role of a PRV is to maintain a desired outlet pressure irrespectively\udof hydraulic conditions in the water distribution network (WDN). Unfortunately, even a stable PRV can exhibit poor disturbance rejection resulting in variations of outlet pressure around the setpoint due to randomly varying demands. The aim of this paper is to better understand this phenomenon and to develop models which would facilitate designing effective controllers considering the stability and disturbance rejection issue

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