| 改进的PCR仪模糊PID温度控制算法 |
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| 引用本文： | 李宁,倪原,孙金龙. 改进的PCR仪模糊PID温度控制算法[J]. 福建农林大学学报(哲学社会科学版), 2009, 0(5) |
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| 作者姓名： | 李宁 倪原 孙金龙 |
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| 作者单位： | 西安工业大学电子信息工程学院;兰州交通大学自动化与电气工程学院; |
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| 摘 要： | 模糊控制算法的运算量和所占用内存与控制精度和动态响应之间总是一对矛盾体,本文就该应用性问题进行了研究。针对PCR仪温度控制系统,设计出一种按误差大小将其温控过程划分成三种控制域的方法,并给出了各控制域间带回滞的切换规则,在同样的精度要求下其控制算法所需要的内存和计算量分别是传统F-PID控制算法的0.4倍和0.25倍左右,即该控制算法在硬件条件不变情况下可以将精度提高F-PID控制算法的4倍左右。另外,系统的动态响应速度也将达到硬件所能达到的最大值且能很好地消除超调等动态误差。仿真试验证明了该方法的可行性。
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| 关 键 词： | PCR仪温度控制 F-PID 切换规则 |
Modified Fuzzy-PID Temperature Control Algorithm of PCR Machine |
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| Ning Li,Yuan Ni,Jinlong Sun. Modified Fuzzy-PID Temperature Control Algorithm of PCR Machine[J]. Journal of Fujian Agriculture and Forestry University, 2009, 0(5) |
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| Authors: | Ning Li Yuan Ni Jinlong Sun |
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| Affiliation: | 1. Institute of Electronic and Information;Xi'an Technology University;Xi'an 710032;China;2. School of Automation & Electrical Engineering;Lanzhou Jiaotong University;Lanzhou 730070;China |
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| Abstract: | A new method that dividing the temperature control process of the PCR machine into three control domains specific to the size of the error. And the judge conditions of switch between each different control domains was given. Under the same requirements,the need of the EMS memory and the calculated amount would cut off 60% with the new algorithm,the systematic precision would be 4 times the traditional PID control. Simultaneously the systematic dynamic response velocity would be the fastest and the static er... |
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| Keywords: | Temperature control of PCR machine Fuzzy-PID Switching law |
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