基于COP与改进PNN的除湿机故障诊断研究
Refrigeration & Air Conditioning(2010)
Abstract
COP作为制冷系统中的重要性能参数,直接反映制冷系统的效率及运行情况。基于制冷系统的这一特点,以除湿机为例,建立了基于除湿机COP的改进PNN故障诊断模型,通过监测COP的实测值超出正常设定范围判断系统存在故障,进而对系统故障进行识别,诊断故障发生的具体原因。实例表明,该方法用于除湿机的故障诊断切实可行。
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Key words
Dehumidifier,Faults Diagnosis,Probabilistic neural networks (PNN),Coefficient of Performance (COP),Genetic Algorithm(GA)
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