Auteur Panagiotis D. Christofides
Documents disponibles écrits par cet auteur (6)
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Charles W. McFall, Auteur ; Alex Bartman, Auteur ; Panagiotis D. Christofides, Auteur |Model-based control and monitoring such as feed-forward/feedback control, fault detection and isolation (FDI), and fault-tolerant control (FTC) techniques that utilize Lyapunov-based control laws are implemented on a high recovery reverse os[...]
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Aihua Zhu, Auteur ; Panagiotis D. Christofides, Auteur ; Yoram Cohen, Auteur |Advances in highly permeable reverse osmosis (RO) membranes have enabled desalting operations, in which it is practically feasible for the applied pressure to approach the osmotic pressure of the exit brine stream. However, energy cost remains a[...]
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Aihua Zhu, Auteur ; Panagiotis D. Christofides, Auteur ; Yoram Cohen, Auteur |We study the energy consumption optimization of a reverse osmosis water desalination process producing a constant permeate flow in the presence of feed concentration fluctuation. We propose a time-varying optimal operation strategy that can sign[...]
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Alex R. Bartman, Auteur ; Panagiotis D. Christofides, Auteur ; Yoram Cohen, Auteur |This work focuses on the design and implementation of a nonlinear model-based control system on an experimental reverse-osmosis (RO) membrane water desalination system to address large set-point changes and variations in feedwater salinity. A dy[...]
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Benjamin J. Ohran, Auteur ; Johnny Rau, Auteur ; Panagiotis D. Christofides, Auteur ; James F. Davis, Auteur |Accurate detection and isolation of faults is a critical component of a reliable and efficient plantwide fault-tolerant control system. In a recent work (Ohran et al. AIChE J. 2008, 54, 223), we demonstrated that using a nonlinear controller to [...]
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Gangshi Hu, Auteur ; Gerassimos Orkoulas, Auteur ; Panagiotis D. Christofides, Auteur |This work focuses on stochastic modeling and simultaneous regulation of surface roughness and porosity for a porous thin film deposition process modeled via kinetic Monte Carlo (kMC) simulation on a triangular lattice. The microscopic model of t[...]
