Present Status and Future Tasks of Nonlinear Process Modeling for Control System Design in the Chemical Process Industry.

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  • 化学プラントにおける制御系設計のための非線形プロセスモデリングの現状と課題
  • カガク プラント ニ オケル セイギョケイ セッケイ ノ タメ ノ ヒセンケイ

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Abstract

Technologies of nonlinear process modeling for industrial use have been developed in petrochemical plants. In this paper, the importance of nonlinear process dynamics modeling is explained and its applications in process control system design using a physical approach, a NARMAX model approach, a neural networks approach, a chaotic time-series analysis, a discrete Volterra series model and an extended Wiener series model with discrete Laguerre filters are presented.<BR>The future tasks of nonlinear process modeling for industrial use are discussed.

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