| 基于Fuzzy-PID控制在重介质洗选煤控制系统中的应用 |
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| 引用本文： | 张矿伟,张少杰,赵晓霞,陈焰.基于Fuzzy-PID控制在重介质洗选煤控制系统中的应用[J].贵州大学学报(自然科学版),2013(6):104-106,117. |
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| 作者姓名： | 张矿伟 张少杰 赵晓霞 陈焰 |
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| 作者单位： | [1]昆明理工大学,信息工程与自动化学院,云南昆明650500 [2]周口职业技术学院机电工程系,河南周口466000 |
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| 基金项目： | 云南省自然科学基金项目（kks0201103016） |
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| 摘 要： | 重介质洗选煤工艺各控制参数如密度、液位、压力，都具有非线性和时变性，并很难建立精确的数学模型。常规PID控制在工业生产中应用广泛，但PID参数需要人工多次整定得到，耗时长、能耗高、效率低；整定过程中影响产品的质量。为了提高洗选煤的整体效益，本文设计了一种基于Fuzzy-PID控制的高精度控制器，它根据PID参数的优化规律，利用模糊控制规则对PID参数进行自动整定。自2011年在云南某洗选煤厂投运结果表明，本控制系统相比原PID控制，简化了控制过程，提高了生产效率，提高了控制精度，提高了产品质量。
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| 关 键 词： | Fuzzy PID 重介质洗选煤 自动控制 控制曲线 参数自整定 |
The Application of Heavy Medium Coal Washing Control System Based on the Fuzzy-PID Control |
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| ZHANG Kuang-wei,ZHANG Shao-jie,ZHAO Xiao-xia,CHEN Yan.The Application of Heavy Medium Coal Washing Control System Based on the Fuzzy-PID Control[J].Journal of Guizhou University(Natural Science),2013(6):104-106,117. |
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| Authors: | ZHANG Kuang-wei ZHANG Shao-jie ZHAO Xiao-xia CHEN Yan |
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| Institution: | 1 Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, 650500, China; 2. Department of Mechanical and Electrical Engineering, Zhoukou Vocational and Technical College, Zhoukou 466000, China) |
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| Abstract: | The parameters of dense medium coal separation process control, such as density, liquid level and pressure, are nonlinear and time-varying. It is difficult to establish accurate mathematical model. Conventional PID control has widely used in industrial production, but the PID parameters need artificial multiple tuning. This process is time consuming, high energy consumption and low efficiency. The quality of products will also get neg- ative effect during the tuning process. In order to improve the overall efficiency of coal separation, this paper de- signed a controller based on Fuzzy-PID control with high accuracy. It is according to the PID parameters optimi- zation rule and using the Fuzzy control rules for PID parameters self-tuning. This controller has been launched in a coal washery in Yunnan since 2011. The results show that this control system, compared with the original PID control, has simplified the control process, improved the production efficiency, improved the control precision, and improved the quality of the product. |
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| Keywords: | Fuzzy-PID dense medium coal separation automatic control control curve parameter self-tuning |
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