NDLI: Robust Closed-Loop Real-Time Optimization for refinery utility plant with Model Predictive Control for constraint handling

Content Provider	IEEE Xplore Digital Library
Author	Tani, T. Matsuo, K.
Copyright Year	2009
Description	Author affiliation: Idemitsu Kosan Co., Ltd., Japan (Tani, T.; Matsuo, K.)
Abstract	This paper presents the results from a very successful Energy Closed-Loop Real Time Optimization (E-CL-RTO) application implemented at the Idemitsu Aichi Refinery in Japan. The goal of the application is to optimize the steam, fuel, and electrical needs of a refinery site at minimum cost, taking into consideration process, environmental, and operational constraints as well as daily variations in utilities costs. The paper presents keys to the success of the project, including the handling of the disturbance inputs such as utility load changes, which occur very rapidly, and a design concept that a Model Predictive Control (MPC) would function similarly to a the skilled operator's operation of constraint handling. To accomplish this, we analyzed an operator's optimal actions and then developed the controller model so that the controller outputs would simulate the operator actions. The E-CL-RTO has reliably provided optimal targets to the equipment automatically and continuously, without any need for operator intervention, resulting in increased standardization. Finally, the paper outlines the key benefits derived from the implementation of the E-CL-RTO.
Starting Page	1
Ending Page	5
File Size	2724003
Page Count	5
File Format	PDF
ISBN	9781424435067
DOI	10.1109/ICIT.2009.4939534
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-02-10
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robust control Constraint optimization Predictive models Predictive control Cost function Optimal control Automatic control Fuels Analytical models Standardization refinery robust closed-loop real-time optimization utility plant model predictive control
Content Type	Text
Resource Type	Article

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