中国电力2017，Vol.50Issue(11)：15-21,7.DOI:10.11930/j.issn.1004-9649.201703014
采用基于闭环辨识IMC-PID实现串级汽温的鲁棒控制
IMC-Based PID Controller Design for Cascade Control of Superheated Steam Temperature with Frequency Identification
摘要
Abstract
An IMC-based-PID Controller design method for cascade control of superheated steam temperature through frequency identification is proposed in this paper.In this design method,the process model of superheated steam temperature is identified first.In the identification procedure,the set-point change tests are adopted to calculate the models based on the inputs and outputs of the inner and outer control loops.The process frequency-response matrix is estimated,and then a transform function matrix is obtained by the least squares method.The parameters of the IMC-based PID controller of the SST (steam temperature cascade control loop) are determined by using the internal model control (IMC) and improved SIMC method based on the identified model.It is shown that this strategy achieves better control performance and minimizes the effects of the external or the internal disturbances.关键词
火力发电/热工自动化/H∞控制/闭环辨识/IMC-PID/串级控制Key words
H-infinity control/closed-loop identification/IMC-PID/cascade control分类
信息技术与安全科学引用本文复制引用
李晓枫,陈广学,张政委,王亚刚,高雅,尤毅,顾博川..采用基于闭环辨识IMC-PID实现串级汽温的鲁棒控制[J].中国电力,2017,50(11):15-21,7.基金项目
国家自然科学基金资助项目(61074087)This work is supported by National Science Foundation of China under Grants (No.61074087). （61074087）
