| 电厂锅炉给水系统闭环可辨识性的分析 |
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| 引用本文： | 李勤,徐书菘,沈自钧.电厂锅炉给水系统闭环可辨识性的分析[J].华北电力大学学报,1988(4). |
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| 作者姓名： | 李勤 徐书菘 沈自钧 |
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| 作者单位： | 华北电力学院动力系 研究生部 |
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| 摘 要： | 本文以电厂常用三冲量锅炉给水控制系统为例,讨论了在随机扰动为有色噪声情况下进行闭环参数辨识的可行性问题。文中应用随机过程理论确立了给水控制系统的CARMA模型,并分析了在有色噪声情况下闭环辨识的无偏性、一致性和唯一性的条件。
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| 关 键 词： | 发电厂 给水系统 控制 辨识 |
Analysis of Closed-loop Identif iability of Feedwater System on Power Station |
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| Abstract: | Taking the most commonly used three element relay operated feedwater control system as an example, this paper discusses the feasibility in identifying closed-loop system parameters when the stochastic distance is of colour noise. By using the stochastic process theory, a CARMA model for feedwater control system is set up and the conditions for unbiasedness, unanimity and uniqueness of closed-loop system identification with colournoise disturbance are analyzed. |
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