利用灰色系统理论建立灰色Verhulst模型，来预测内燃机缸盖的疲劳寿命值，对比灰色预测值与试验值，灰色系统理论是一种简单可行的内燃机可靠性分析方法。%This paper describes construction of Verhulst model of grey byusing grey system theory for prediction of fatigue life of the cylinder head of I.C.engine. With making comparison between life prediction and experimental value, grey system theory is a simple method for analysis of I.C.engine reliable information.
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