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检索条件"机构=Chemical Process Modeling and Control Center"
60 条 记 录,以下是31-40 订阅
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The Effect of controllers in State Estimation Schemes
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IFAC Proceedings Volumes 1998年 第11期31卷 577-582页
作者: Guillermo E. Eliçabe Christos Georgakis Departamento de Ingeniería Química/INTEMA Facultad de Ingeniería Universidad Nacional de Mar del Plata (7600) Mar del Plata Argentina Chemical Process Modeling and Control Research Center Lehigh University Iacocca Hall #111 Bethlehem PA 18015 USA
It is common practice in state estimation of chemical systems to include augmented states modeled as random constant or random walk processes. When in these systems, process controllers with integral term are present,...
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Identification of reduced order average linear models from nonlinear dynamic simulations
Identification of reduced order average linear models from n...
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American control Conference (ACC)
作者: W.A. Docter C. Georgakis Chemical Process Modeling and Control Research Center Department of Chemical Engineering Lehigh University Bethlehem PA USA
Presents a general methodology for the identification of average linear low order models (ALLOM) from data collected from detailed nonlinear models. While there are many methods available in the literature for identif... 详细信息
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Closed-Loop Identification of State Space Models using Subspace Techniques
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IFAC Proceedings Volumes 1997年 第9期30卷 37-42页
作者: Hemant Jha Christos Georgakis Chemical Process Modeling and Control Research Center and Department of Chemical Engineering Lehigh University Bethlehem Pennsylvania 18015 Phone: (610)-758-5432 Fax:(610)-758-5297
The paper presents a subspace algorithm which identifies the process model from closed-loop data. The algorithm is based on the use of a closed-loop oblique projection for the direct identification of the plant dynami... 详细信息
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Real-time estimation and control of particle size in semi-batch emulsion polymerization
Real-time estimation and control of particle size in semi-ba...
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American control Conference (ACC)
作者: V. Liotta C. Georgakis M.S. El-Aasser Air Products and Chemicals Inc. Allentown PA USA Chemical Process Modeling and Control Research Center and Emulsion Polymers Institute Lehigh University Bethlehem PA USA
The control of the relative particle growth of a bidisperse emulsion polymerization is investigated in an automated reactor control facility capable of online density and online particle size measurements. Final diame... 详细信息
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Reference system based model predictive control
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IFAC Proceedings Volumes 1996年 第1期29卷 5923-5928页
作者: Lokesh Kalra Chriatos Georgakis Chemical Process Modeling and Control Research Center and Department of Chemical Engineering Lehigh University Bethlehem Pennsylvania USA
Despite recent advances in the field, the tuning of presently popular Model Predictive control formulations is largely a trial and error procedure. Motivated by this fact, a Reference System based tuning is explored t... 详细信息
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Decentralized PCA Charts for Performance Assessment of Plant-Wide control Structures
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IFAC Proceedings Volumes 1996年 第1期29卷 5894-5898页
作者: Christos Georgakis Bethany Steadman Vincenzo Liotta Chemical Process Modeling and Control Research Center and Department of Chemical Engineering Lehigh University Bethlehem Pennsylvania USA
Static principal component analysis (PCA) statistical charts are used to assess and compare the performance of two plant-wide control strategies of the Tennessee Eastman process. Both centralized and decentralized cha... 详细信息
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Wavelet techniques in the compression of process data
Wavelet techniques in the compression of process data
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American control Conference (ACC)
作者: M.J. Watson A. Liakopoulos D. Brzakovic C. Georgakis Chemical Process Modeling and Control Research Center Lehigh University USA Chemical Process Modeling and Control Research Center Lehigh University Bethlehem PA USA
The objective of this paper is to explore the application of wavelets to the field of data compression in the process industry. The wavelet transform is compared with the discrete Fourier and cosine transforms. To exa... 详细信息
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Disturbance detection and isolation by dynamic principal component analysis
Disturbance detection and isolation by dynamic principal com...
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作者: Ku, Wenfu Storer, Robert H. Georgakis, Christos Chemical Process Modeling and Control Research Center Iacocca Hall Lehigh University 111 Research Dr. Bethlehem PA 18015 United States Department of Chemical Engineering Department of Industrial Engineering
In this paper we extend previous work by ourselves and other researchers in the use of principal component analysis (PCA) for statistical process control in chemical processes. PCA has been used by several authors to ... 详细信息
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Studies in plant-wide controllability using the Tennessee Eastman Challenge problem, the case for multivariable control
Studies in plant-wide controllability using the Tennessee Ea...
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American control Conference (ACC)
作者: D.R. Vinson C. Georgakis J. Fossy Air Products and Chemicals Inc. Allentown PA USA Chemical Process Modeling and Control Research Center and Department of Chemical Engineering Lehigh University Bethlehem PA USA
The design and application of a new control structure for the Tennessee Eastman Challenge process is presented. This structure is primarily single-input single-output (SISO) but it has been augmented with the concept ... 详细信息
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Bilinear Identification of Nonlinear processes
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IFAC Proceedings Volumes 1994年 第2期27卷 47-52页
作者: James F. Bartee Christos Georgakis Chemical Process Modeling and Control Research Center Department of Chemical Engineering Lehigh University Bethlehem Pennsylvania USA 18015 Fax: (610)758-5432 Internet
Identification of nonlinear processes using bilinear models is presented. To avoid direct estimation of the bilinear model parameters, a dynamically equivalent input/output model structure is developed through an anal... 详细信息
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