再制造发动机磨合质量监测方法试验研究  

Experimental Study on Running-in Quality Monitoring Method of Remanufactured Engine

作　　者：安相璧[1] 张哲[1] 陈磊[1] 李大伟[1] 王龙[1] 

机构地区：[1]军事交通学院,天津300161

出　　处：《中国机械工程》2015年第4期475-478,共4页China Mechanical Engineering

摘　　要：在对车用再制造发动机进行磨合试验时发现,同一机型按同一方法磨合,其磨合质量却有很大不同。针对此问题,提出运用表面振动信号的方法进行磨合质量监测,采用小波包分解和子带能量法对振动信号进行分析;以康明斯6BT5.9发动机为对象对该方法进行了试验研究,证明了所提出方法的可行性、实时性和有效性。It was found in the vehicle remanufacture engine running-in testing,among the same type engines the running-in quality was very different using the same method of running-in.Aiming at this problem,this paper presented a method using surface vibration signals to monitor running-in quality,and the method of wavelet packet decomposition and the sub-band energy were used to analyze the vibration signals.Taking Cummins 6BT5.9engine as the study object,the feasibility,the real-time and the effectiveness of the method were proven.

关 键 词：车用再制造发动机 磨合质量监测 振动信号 子带能量法 

分 类 号：TK418[动力工程及工程热物理—动力机械及工程] TP277[自动化与计算机技术—检测技术与自动化装置]