Hydraulic and earth engineering – Fluid control – treatment – or containment
Patent
1997-03-28
1998-09-29
Graysay, Tamara L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
405128, 210739, 210747, 364578, 364804, 588250, E02B 1300, B01D 100, G06G 757
Patent
active
058137980
ABSTRACT:
A piecewise continuous-time dynamic control method and apparatus for optimizing re-mediation of groundwater is disclosed. The piece-wise continuous control process is used to generate efficient designs for remediation systems based on differentiable groundwater models. The remediation strategies generated are characterized by piece-wise continuous functions of time which dictate the operation of remediation devices. The piece-wise continuous functions may change discontinuously at the end of each management period, or, optionally, a finite number of times during each management period. The duration and number of management periods covering a groundwater cleanup may be selected by the user of the invention to maximize the contamination removal efficiency and reflect the mechanical limitations of the specific remediation devices chosen. The continuous-time property of piece-wise continuous control requires simpler (usually sparse) derivatives of a groundwater model than the derivatives required by static and discrete-time control of groundwater remediation.
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By Gregory J. Whiffen Optimal Cotrol for Deterministic and Uncertain Groundwater Remediation; Faculty of the Graduate School of Cornell University; Aug. 1995; pp. 1-62.
Graysay Tamara L.
Lee Jong-Suk
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