Control of Main Steam Pressure in Coal-Fired Power Plant Boilers by Fractional-Order Controller with Smith Predictor Structure for Delay Compensation

被引：6

作者：

Doostinia, Mehdi ^{[1
]}

Beheshti, Mohammad T. H. ^{[1
]}

Babaei, Masoud ^{[1
]}

Alavi, Seyed Amir ^{[2
]}

Ramezani, Amin ^{[1
]}

机构：

[1] Tarbiat Modares Univ, Dept Elect Engn, Tehran, Iran

[2] Queen Mary Univ London, Sch Elect Engn & Comp Sci, London, England

来源：

IETE JOURNAL OF RESEARCH | 2023年 / 69卷 / 07期

关键词：

Combustion system; Delay compensation; Fractional-order PID; Internal model control; Main steam pressure; Smith predictor; IMPLEMENTATION; SYSTEM;

D O I：

10.1080/03772063.2021.1939804

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In a thermal plant, the combustion system of the coal-fired boiler is a nonlinear time-varying system, which leads to undesired responses, if traditional proportional-integral-derivative controllers are utilized. Internal process delay is an important characteristic of the steam pressure in the boiler of coal-fired power plants, which affects the closed-loop dynamics. To compensate for this significant delay and reach the desired performance, a novel control strategy based on a combination of an optimal fractional-order proportional-integral-derivative (OFOPID) controller with a Smith predictor (SP) structure is suggested in this paper that achieves the desired control performance required for the optimal operation of the boiler. The simulation results of a coal-fired power plant boiler with the power of 300 MW show that the performance is improved considerably by having lower overshoot and lower rise and settling times, as well as a lower mean square error during the operation of the power plant Boiler.

引用

页码：4551 / 4565

页数：15

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