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|Title:||plant-wide control of industrial processes using rigorous simulation and heuristics||Authors:||N V S N MURTHY KONDA||Keywords:||Plantwide Control, Rigorous Nonlinear Simulation, Heuristics, HYSYS, Process Design, Control Degrees of Freedom||Issue Date:||20-Mar-2007||Citation:||N V S N MURTHY KONDA (2007-03-20). plant-wide control of industrial processes using rigorous simulation and heuristics. ScholarBank@NUS Repository.||Abstract:||Due to the globalization of chemical process industry in the 20th century, the need for efficient and effective plant-wide control (PWC) systems is more than ever. First, a comprehensive review of various PWC methodologies in the literature is carried out, and systematic classifications of PWC methodologies are presented. Then, a methodically-driven integrated framework, that capitalizes the strengths of both the heuristics and rigorous simulation tools, is proposed. Thirdly, a new metric called a??Dynamic Disturbance Sensitivitya?? is proposed to gauge the dynamic performance of alternate control structures and process designs using nonlinear dynamic simulation. Finally, a modified sequential approach is proposed by combining the proposed PWC methodology with the improved process design methodology to study the interaction between design and control from plant-wide perspective. The studies and findings outlined above should facilitate realistic PWC system design as well as increased use of rigorous dynamic simulations in both the academia and industry.||URI:||http://scholarbank.nus.edu.sg/handle/10635/12862|
|Appears in Collections:||Ph.D Theses (Open)|
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