Method and system for determining characteristic parameters of a hydraulic network
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United States of America Patent
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Jan 9, 2018
Grant Date -
Oct 6, 2016
app pub date -
Apr 21, 2015
filing date -
Apr 2, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic network (1) having plural parallel zones (Z1, Z2) with a regulating valve (V1, V2) in each zone for regulating a flow of fluid (φ1, φ2) through respective zones. Characteristic parameters of the hydraulic network (1) include static flow capacity values (Kex,a, Kex,b) of the zones. Measurement data sets are recorded which include a determined value of a hydraulic system variable of the hydraulic network (1), e.g. the total flow (φtot) or the system pressure (ΔP), and valve positions of the regulating valves (V1, V2) set for the determined value of the hydraulic system variable. The characteristic parameters are calculated from plural measurement data sets, by grouping related measurement data sets, which include the same value of the hydraulic system variable but different valve positions, and by using the flow capacity (Kvalve,a, Kvalve,b) of the regulating valves (V1, V2) at the valve positions included in the data sets.
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