| 基于网络的过热蒸汽温度可靠性控制 |
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| 引用本文： | 顾伟,;庄宝春,;刘金良.基于网络的过热蒸汽温度可靠性控制[J].应用科技,2014(3):36-39. |
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| 作者姓名： | 顾伟 ;庄宝春 ;刘金良 |
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| 作者单位： | [1] 华能国际电力股份有限公司淮阴发电厂策划部,江苏淮安223001; [2] 南京林业大学机械电子工程学院,江苏南京210037; [3] 南京财经大学应用数学系,江苏南京210046 |
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| 基金项目： | 江苏省自然科学基金资助项目（ BK2012469）． |
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| 摘 要： | 研究了在考虑执行器故障情况下,以及过热汽温的控制信号通过网络进行传输的情况下,过热汽温的温度控制系统的可靠性控制问题。建立了执行器随机故障模型,以串级控制为基本控制策略,利用Lyapunov稳定性理论和线性矩阵不等式(linear matrix inequities,LMIs)技术,给出了系统随机均分稳定条件,提出了考虑执行器具有随机故障的过热蒸汽控制系统的控制器设计方法。通过仿真实验证明了提出的控制器设计方案的有效性。
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| 关 键 词： | 过热蒸汽 可靠性控制 随机故障模型 串级控制 |
Network-based reliability control for superheated steam temperature |
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| Institution: | GU Wei, ZHUANG Baochun, LIU Jinliang (1. ChinaHuaneng Huaiyin Power Plant, Huaian 223001, China ; 2. College of Mechanical ＆ Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China ;3. Department of Applied Mathematics, Nanjing University of Finance and Economics, Nanjing 210046, China) |
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| Abstract: | This paper investigates the problem of reliability control for network-based superheated steam temperature control system , taking into account the actuator failure and transmition of the control signal of superheated steam through network .An integrated model for stochastic actuator failure was established , which takes the cascade con-trol as the basic control strategy .By using Lyapunov stability theory and linear matrix inequities （ LMIs） technolo-gy, the randomly and equally divided stability conditions for the system are given , and then the controller design method for superheated steam temperature control system which takes actuator stochastic fault into account was put forward.At last, an application example is provided to demonstrate the effectiveness of the proposed method . |
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| Keywords: | superheated steam reliability control stochastic fault model cascade control linear matrix inequi-ties Lyapunov stability |
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