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机构地区:[1]西北工业大学自动化学院,西安710072 [2]中国兵器工业第203研究所,西安710065
出 处:《弹箭与制导学报》2007年第5期186-188,192,共4页Journal of Projectiles,Rockets,Missiles and Guidance
摘 要:针对车辆滑动等情况下里程仪故障的特点,研究了采用小波多分辨分析的里程仪故障检测方法,并进行了实验数据分析。结果表明,经多分辨分析重构的信号可以很好地揭示原信号的奇异性,从而判断出里程仪的故障点。该方法不需要进行数据建模,而且具有一定的鲁棒性,适用性强,对难以建立解析数学模型的诊断对象非常有效。The characteristic of odometer in case when the vehicle slipping has been studied and a method of detecting the faults of odometer has been proposed based on multi-resolution analysis by wavelet transform. Experimental data was analyzed. The result show that the reconstructed signal can depict the singularity of the original signal and it can be used to detecting when the faults happed. This method does not need modeling of the signal and is robust to noise, so it can be widely used and is especially useful for the signal whose mathematical model is hard to build.
分 类 号:TN967.2[电子电信—信号与信息处理] U491.512[电子电信—信息与通信工程]
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