| 基于正交函数的立式淬火炉控制系统参数辨识 |
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| 引用本文： | 喻寿益,曹悦彬,周璇.基于正交函数的立式淬火炉控制系统参数辨识[J].控制工程,2009,16(3). |
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| 作者姓名： | 喻寿益 曹悦彬 周璇 |
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| 作者单位： | 1. 中南大学,信息科学与工程学院,湖南,长沙,410083
2. 华南理工大学,化工与能源学院,广东,广州,510641 |
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| 基金项目： | 国家自然科学基金重点项目 |
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| 摘 要： | 大型立式淬火炉体积庞大,工况复杂,炉内温度分布呈本征非均匀性.为了获得温度控制高精度和高均匀性提出参数辨识算法,包括求解正交函数正、反向积分运算矩阵,以块脉冲函数为基函数利用正交函数变换将由偏微分方程描述的分布参数系统模型转化为最小二乘形式的代数方程.辨识过程中考虑了大型立式淬火炉温度分布参数系统模型边界条件和初始条件的影响,提高了参数辨识精度,算法计算量小且保持了系统的空间分布特性.
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| 关 键 词： | 分布参数系统 正交函数变换 积分运算矩阵 递推参数辨识算法 |
Parameter Identification for Vertical Quench Furnace Control System Based on Orthogonal Function |
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| YU Shou-yi,CAO Yue-bin,ZHOU Xuan.Parameter Identification for Vertical Quench Furnace Control System Based on Orthogonal Function[J].Control Engineering of China,2009,16(3). |
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| Authors: | YU Shou-yi CAO Yue-bin ZHOU Xuan |
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| Affiliation: | 1.College of Information Science and Engineering;Central South University;Changsha 410083;China;2.School of Chemical and Energy Engineering;South China University of Technology;Guangzhou 510641;China |
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| Abstract: | The control problem of large-scale vertical quench furnace with voluminous and complex working condiction is discussed.For high precision and homogeneity of temperature control,an algorithm is presented to solve the integral operational matrix of orthogonal function.A block pulse function is used to transfer the partial diffirential equation to algebra equation of least square by orthogonal function transfer.Considering the influence of boundary condition and initial condition of system model during the ide... |
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| Keywords: | distributed parameter system orthogonal function transformation integral operational matrix iterative algorithm of parameters identification |
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