| 中型载货汽车发动机大修需求预测 |
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| 引用本文： | 翁家庆,张志刚,沈颖刚,张韦. 中型载货汽车发动机大修需求预测[J]. 车用发动机, 2008, 0(2): 20-22 |
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| 作者姓名： | 翁家庆 张志刚 沈颖刚 张韦 |
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| 作者单位： | 1. 昆明理工大学交通工程学院,云南,昆明,650224
2. 中国人民解放军96201部队,云南,昆明,650224 |
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| 摘 要： | 根据发动机的大修数据,运用汽车可靠性理论,结合回归分析和优化技术,利用精确的寿命分布模型识别方法,建立了发动机大修里程的威布尔分布模型。结合大修时的报废率函数,得出发动机的大修率函数,编写了预测年度发动机大修需求量的计算程序,预测某军用中型载货汽车发动机的大修量。
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| 关 键 词： | 汽车发动机 寿命预测 数学模型 威布尔分布 大修率 |
| 文章编号： | 1001-2222(2008)02-0020-03 |
| 修稿时间： | 2007-11-12 |
The Demand Prediction of Engine Overhaul for Medium Truck |
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| WENG Jia-qing,ZHANG Zhi-gang,SHEN Ying-gang,ZHANG Wei. The Demand Prediction of Engine Overhaul for Medium Truck[J]. Vehicle Engine, 2008, 0(2): 20-22 |
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| Authors: | WENG Jia-qing ZHANG Zhi-gang SHEN Ying-gang ZHANG Wei |
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| Abstract: | The Weibull distribution model of engine overhaul mileage based on the overhaul data was established with the identification method of accurate life distribution model by using automobile reliability theory and resorting to regression analysis and optimization technology.Combining with the scrap rate function of engine,the overhaul rate function was acquired.By using the calculation program of predicting engine annual overhaul demand,the overhaul number of military medium truck engine was predicted. |
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| Keywords: | automotive engine life prediction mathematical model Weibull distribution overhaul rate |
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