流体机械

2007, No.426(12) 76-79+87

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变参数PID混合控制算法在变频空调中的仿真研究
Simulation Research on Variable Arguments PID Hybrid Control for VAV Air Conditioning System

吴薇;顾洲;
WU Wei,GU Zhou(Nanjing Normal University,Nanjing 210042,China)

摘要(Abstract):

以一个典型的空调系统作为研究对象,建立了简化的数学模型,针对其大惯性和大滞后的性质,提出模糊免疫控制算法对PID参数进行优化。仿真结果表明:该控制算法具有超调小、响应快、自适应性好、优化效率高等优点,明显改善了变频空调系统的控制品质。
A simplified model of air conditioned room was developed by a typical air conditioning system.Aimed at the feature of big time-lag and inertia,a fuzzy-immune PID controller is proposed.Simulation results compared with the traditional PID controller and fuzzy-immune PID controller prove that the method has many merits including small overshoot,fast response,good self-adaptability,high optimal efficiency,and obviously improving the control performances of the variable frequency air conditioning systems.

关键词(KeyWords): 变参数;模糊免疫;变频空调系统
variable arguments;fuzzy-immune;variable frequency air conditioning sysytem

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作者(Author): 吴薇;顾洲;
WU Wei,GU Zhou(Nanjing Normal University,Nanjing 210042,China)

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