| 自校正DMC-PID过热汽温控制系统仿真 |
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| 引用本文： | 柳其亮,张福斌. 自校正DMC-PID过热汽温控制系统仿真[J]. 计算机仿真, 2008, 25(12) |
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| 作者姓名： | 柳其亮 张福斌 |
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| 作者单位： | 西北工业大学航海学院,陕西,西安,710072;西北工业大学航海学院,陕西,西安,710072 |
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| 摘 要： | 为了克服在过热汽温控制中对象参数变化对系统控制带来的困难,提出了自校正DMC-PID控制方法.保留了通常过热汽温控制采用的串级控制结构,能够快速有效地克服干扰.同时通过参数辨识得到非参数模型进行动态矩阵控制(DMC),即自校正DMC,无需从广义对象的阶跃模型的上下界中选取一条标称的阶跃响应曲线去实现DMC控制,实际应用起来更简单.仿真结果表明,控制方法有良好的控制效果,改善了模型失配时的鲁棒性,在过热汽温控制中是十分有效的.
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| 关 键 词： | 自校正 动态矩阵控制 过热汽温 模型失配 |
Simulation of Self-tuning DMC- PID Superheated Steam Temperature Control System |
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| LIU Qi-liang,ZHANG Fu-bin. Simulation of Self-tuning DMC- PID Superheated Steam Temperature Control System[J]. Computer Simulation, 2008, 25(12) |
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| Authors: | LIU Qi-liang ZHANG Fu-bin |
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| Affiliation: | LIU Qi-liang,ZHANG Fu-bin(College of Marine,Northwestern Polytechnical University,Xi'an Shanxi 710072,China) |
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| Abstract: | During the course of controlling superheated steam temperature, in order to overcome the effects of object's parameters varying on control qualities of the system, a self-tuning DMC- PID control method is proposed in this paper. This method reserves cascade control structure usually used by superheated steam temperature control, so it can overcome interference effectively and quickly. At the same time, the Dynamic Matrix Control (DMC), whose non-parametric model is gotten by parameter identification (that i... |
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| Keywords: | Self-tuning Dynamic matrix control Superheated steam temperature Model mismatch |
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