Advanced control of superheater steam temperatures an evaluation based on practical applications

被引：33
|
作者：
Moelbak, T [1 ]
机构：
[1] ELSAMPROJEKT AS, DK-7000 Fredericia, Denmark
来源：
CONTROL ENGINEERING PRACTICE | 1999年 / 7卷 / 01期
关键词：
boilers; steam; temperature; model-based control; fuzzy control; feedforward control;
D O I：
10.1016/S0967-0661(98)00144-0
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Tight superheater steam temperature control is a precondition for obtaining long lifetime, high efficiency: high load following capability and high availability in modern power plants. The intention of this paper is to produce an evaluation on a general level based on several practical applications within the Danish power industry. Different types of advanced feedback control strategies have been implemented and compared - this evaluation includes conventional control, model-based control and fuzzy control. Further more, a feedforward strategy based on radiation pyrometry and adaptive filtering has been used successfully to improve the stability and availability of a power plant. It is suggested that further efforts be invested in the development of multivariable strategies and utilization of new instrumentation for feedforward control rather than into development of new feedback control strategies. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1 / 10
页数：10
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