| 柴油机曲轴主轴承模糊随机优化设计研究 |
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| 引用本文： | 王凡,罗友高.柴油机曲轴主轴承模糊随机优化设计研究[J].中国造船,1994(3):72-82. |
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| 作者姓名： | 王凡 罗友高 |
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| 作者单位： | 哈尔滨船舶工程学院(王凡，阎通海)，武汉第二船舶设计研究所(罗友高) |
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| 摘 要： | 柴油机曲轴主轴承是一种变载荷流体动压滑动轴承，由于在运转中其工作性能随负载的变化而变化，现在还没有一个完全合理的优化设计方法。本文根据其中存在有随机性和模糊性的特点，给出了模糊随机优化设计的数学模型，提出了一种决策方法。通过一船用柴油机实例的检验表明，此模型和方法是适宜的，效果良好，优于其他方法。
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| 关 键 词： | 柴油机 曲轴主轴承 变载荷 模糊随机优化设计 |
A STUDY OF FUZZY RANDOM OPTIMUM DESIGN OF CRANKSHAFT MAIN BEARING OF DIESEL ENGINE |
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| WANG Fan, YAN Tonghai.A STUDY OF FUZZY RANDOM OPTIMUM DESIGN OF CRANKSHAFT MAIN BEARING OF DIESEL ENGINE[J].Shipbuilding of China,1994(3):72-82. |
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| Authors: | WANG Fan YAN Tonghai |
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| Institution: | WANG Fan; YAN Tonghai(Harbin Shipbuilding Engineering Institute)LUO Yougao(Wuhan Second Ship Design and Research Institute) |
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| Abstract: | The crankshaft main bearing of diesel engine is a variable louded hydrodynamic sliding bearing. Because the performance of bearing is vuriable witn the loads in revolving process,it has not a reasonable optimum design method for crankshaft main bearing yet. Based on fuzzy random optimum design method, a mutnematical model is presented in consideration of the features of the bearing in working process and a decision method is also suggested.The calculation results for a marine diesel engine show that the proposed method is reasonable and effective as compared with other methods. |
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| Keywords: | Diesel engine Crankshaft main bearing Variable load Fuzzy random optimum design |
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