Method and apparatus for controlling pressure and flow in water

Details Method and apparatus for controlling pressure and flow in water Method and apparatus for controlling pressure and flow in water

1983-02-01

1985-12-31

Krass, Errol A.

Boots, shoes, and leggings

364148, 13762411, 137561R, 137255, G05D 700, G05B 1302

Patent

active

045625522

ABSTRACT:
A control method and apparatus incorporate a network model simulating hydraulic phenomena within a water distribution network whereby the pressures and flow rates within the water distribution network are controlled by an optimizing unit for inputting the current total demand as a model input and computing manipulated variables or control amounts for optimizing the pressures and flow rates in accordance with a network algorithm and a correction computing unit for computing the necessary control amount correction values for correcting the deviations from the estimated pressures and flow rates in accordance with a sensitivity matrix indicating the effects of variations in the control amounts on the pressures and flow rates.

REFERENCES:
patent: 3608572 (1971-09-01), Hass
patent: 3949207 (1976-04-01), Savary et al.
patent: 4119391 (1978-10-01), Rutshtein
patent: 4134423 (1979-01-01), Mayer
patent: 4180083 (1979-12-01), Miyaoka et al.
patent: 4200911 (1980-04-01), Matsumoto
patent: 4217647 (1980-08-01), Sjoholm et al.
patent: 4417312 (1983-11-01), Cronin et al.

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