| 加工过程的模糊自适应PID控制 |
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| 引用本文： | 余铭奇,姚锡凡. 加工过程的模糊自适应PID控制[J]. 控制工程, 2009, 0(Z2) |
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| 作者姓名： | 余铭奇 姚锡凡 |
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| 作者单位： | 华南理工大学机械与汽车工程学院; |
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| 基金项目： | 国家高技术研究发展计划(863计划)基金资助项目(2007AA04Z111) |
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| 摘 要： | 经典的加工过程模型随切削深度、主轴转速、加工材料、刀具形状和磨损程度不同而不同,因而具有时变性。实际加工过程要比理论上推导出的模型复杂得多,是一种具有非线性、时变性和影响因素不确定的复杂系统,甚至难以用合适的数学模型来表示。结合PID和模糊控制两者的优点,建立一种加工过程的模糊自适应PID的控制方法。对模糊自适应PID控制算法进行了理论分析,基于Matlab建立了铣削加工过程的仿真模型。仿真结果表明,运用模糊自适应PID控制方法,系统的调节时间缩短,响应速度加快,抗干扰能力和适应参数变化的能力要优于增益自适应的PID控制。
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| 关 键 词： | 加工过程 模糊 PID控制 |
Fuzzy Adaptive PID Control of A Machining Process System |
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| YU Ming-qi,YAO Xi-fan. Fuzzy Adaptive PID Control of A Machining Process System[J]. Control Engineering of China, 2009, 0(Z2) |
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| Authors: | YU Ming-qi YAO Xi-fan |
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| Affiliation: | School of Mechanical & Automation Engineering;South China University of Technology;Guangzhou 510640;China |
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| Abstract: | Classical machining process model varies with the depth of cutting,speed of the spindle,material,shape and wear of the cutting.The machining process system is in practical much more complicated than the computation model.It is a time-varying,nonlinear and dynamic system and difficult to discribe properly with the mathmatical model.Combining both the advantages of PID controller and fuzzy controller,a fuzzy adaptive PID controller is proposed for control of machining process.The algorithm of fuzzy adaptive P... |
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| Keywords: | machining process fuzzy PID controller |
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