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Advanced Design Methods for Multi-Loop MIMO Control Systems in Process Industries

This research proposes an innovative method for designing multi-loop PID controllers tailored for MIMO (Multiple Input Multiple Output) systems, integrating the latest technologies and methodologies. It includes numerous case studies and worked examples commonly used in process industries, focusing on both theoretical and practical applications. The study develops the Weighted Sum Mp criterion and Ms criterion for effective tuning of multi-loop controllers. Results demonstrate significant capabilities in set-point tracking and disturbance rejection, highlighting performance and robustness in decentralized control systems.

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Advanced Design Methods for Multi-Loop MIMO Control Systems in Process Industries

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  1. PROPOSED METHOD SCOPE OBJECTIVE • TAKING INTO ACOUNT THE LATEST TECHNOLOGIES IN THE MIMO SYSTEMS. • INCLUDES NUMEROUS CASE STUDIES, WORKED EXAMPLES, WHICH IS COMMON USE IN PROCESS INDUSTRY. • FOCUSES ON THE THEORY AND APPLICATION ASPECTS OF MULTIPLE INPUT, MULTIPLE OUTPUT (MIMO) CONTROL SYSTEMS. MODEL BASED ANALYTICAL DESIGN OF MULTI-LOOP CONTROL SYSTEMS • PRESENTS CURRENT ISSUES ON MIMO SYSTEMS. • DEVELOPS NEW MULTI-LOOP PID/PI CONTROLLERS FOR MULTIVARIABLE PROCESSES. • WEIGHTED SUM Mp CRITERION FOR MULTI-LOOP CONTROLLER TUNING Closed-loop responses to sequential step changes in set-point for WB column. Optimum solution map of WB column. • Ms CRITERION FOR THE MULTI-LOOP CONTROL SYSTEM Closed-loop response to sequential step changes in set-point for OR column. Effects of Mslow on the IAE: OR column. Conclusions In this researches, we proposed an efficient method of designing multi-loop PID controllers. The weighted sum Mp criterion was introduced as performance measure to cope with both performance and robustness in multi-loop systems. For a same reason, Ms criterion also can be implemented easily in decentralized control systems. The simulation results show that the proposed method is very effective both set-point tracking and disturbance rejection . Closed-loop response to sequential step changes in disturbance for OR column. Homepage : http://psdc.yu.ac.kr TEL : +82 053)810-3241 E-mail : mynlee@yu.ac.kr

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