The semiconductor industry is going through a technology transition from 200mm to 300mm wafers to improve manufacturing efficiency and reduce manufacturing cost per chip. These technological changes present a unique o...
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A systematic approach to grey-box identification of distributed parameter processes is proposed. The principle idea is to integrate a novel moving finite element method for model reduction, *** toolbox MoCaVa for grey...
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Many development tools and environments have been used in process design to develop models and to perform simulations for processes. These development tools and environments generally use proprietary format to represe...
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In this work, a Smith predictor enhanced PID controller, SP-PID, is proposed. A tuning parameter Ksp is devised which gradually transforms the controller from a PID controller to a Smith predictor as K^ changes 0 to 1...
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According to one industrial engineer, "reconciliation of mass balances to monitor chemical tank inventories is a struggle even at the best of times". This paper is concerned with the design of an offline and...
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Intensified processes may have response times orders of magnitudes faster than conventional units. Thus, the dynamics of control loop elements such as valves and measurement devices may no longer be negligible. This p...
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This paper presents an industrial viewpoint on designing for energy integration in processes with substantial water removal (e.g. bio-processes) to ensure dynamic controllability. The use of evaporation and distillati...
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Both the linear moving horizon estimator and controller may be solved by solving a linear quadratic optimal control problem. A primal active set, a dual active set, and an interior point algorithm for solution of the ...
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This paper presents a new nonlinear multivariate statistical processcontrol technique for identifying and isolating the root cause of abnormal process behavior. The new technique is a nonlinear extension to the varia...
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Using PCA based Bayesian Classification to monitor the real plant with different operated conditions is proposed. Since the process conditions are time-variant, as the PCA subspace cannot explain the data of new event...
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