上海交通大学学报(自然版) ›› 2012, Vol. 46 ›› Issue (12): 1901-1906.

• 一般工业技术 • 上一篇    下一篇

超临界参数机组负荷控制与优化策略

金晓明1,杨马英2,杨荻1   

  1. (1.浙江大学 智能系统与控制研究所,杭州 310027; 2.浙江工业大学 信息工程学院,杭州 310014)
  • 收稿日期:2012-06-30 出版日期:2012-12-29 发布日期:2012-12-29
  • 基金资助:

    国家高技术研究发展计划(863)项目(2007AA041403)

Load Process Control and Optimization of Supercritical Power Unit

 JIN  Xiao-Ming-1, YANG  Ma-Ying-2, YANG  Di-1   

  1. (1. Institute of Cyber System and Control, Zhejiang University, Hangzhou 310027, China; 2. College of Information Engineering, Zhejiang University of Technology, Hangzhou 310014, China)
  • Received:2012-06-30 Online:2012-12-29 Published:2012-12-29

摘要: 针对超临界参数机组多变量耦合和非线性的特点,提出一种以煤耗最小化为目标的广义预测控制策略(GPC),并分别采用线性规划(LP)与目标规划(GP)进行稳态目标计算.仿真研究结果表明:在不需要目标协调时,GP+GPC与LP+GPC具有相同的性能曲线,能够在基本控制目标实现的前提下,有效地降低生产煤耗,并具有一定的鲁棒性;而在需要目标协调时,GP+GPC能协调好控制目标与经济优化指标之间的优先级关系.  

关键词: 超临界参数机组, 预测控制, 优化策略

Abstract: According to multivariable coupling and nonlinearity of supercritical power unit, a generalized predictive control (GPC) embedded in coal consumption minimization was presented. Linear programming (LP) and goal programming (GP) was employed to calculate local steady state target respectively. The simulation results demonstrate that, in the case of no need for a target coordination, GP+GPC and LP+GPC show the same performance for both decreasing coal consumption while realizing basic control target and show some robust while model mismatch compared to only GPC. When a target coordination is required, the dynamic control and local economic steady state optimization could be coordinated based on GP+GPC.  

Key words: supercritical power unit, predictive control, optimization

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