大型国产循环流化床锅炉的汽温自适应串级控制系统

A Steam-Temperature Adaptive Series-Step Control System for Circulating Fluidized Bed Boilers of Giant Domestic Manufacture

针对国产循环流化床锅炉汽温被控对象的高阶、滞后、变参数特性,应用全系数自适应控制理论,提出一种汽温自适应串级控制系统。该系统有效地克服了被控对象高阶、滞后、变参数特性对汽温带来的不良影响,系统简单、实用,具有工程应用价值。现场运行收到了较好的控制效果。

Due to the high order, the lag and the varying parameter characteristics of the steam temperature for circulating fluidized bed boilers (CFBB) and the full-coefficients adaptive control theory, a steam temperature adaptive series-step control system is put forward. The control system effectively eliminates the harmful effects caused by the controlled object's the high order and the lag and the varying parameter characteristics. The system is simple and practical, and has an engineering value. The system is applied to a worksite and good control result is obtained. Figs 5, table 2 and refs 2.