| 液压仿真中的病态问题研究 |
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| 引用本文： | 王勇,吴先福,黄树槐,李从心.液压仿真中的病态问题研究[J].华中科技大学学报(自然科学版),1997(7). |
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| 作者姓名： | 王勇 吴先福 黄树槐 李从心 |
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| 作者单位： | 华中理工大学机械科学与工程学院!武汉430074，上海交通大学 |
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| 摘 要： | 简述了病态问题产生的原因，分析了目前仿真算法的不足，提出了一种通过自动改变病态容腔仿真步长来解决病态问题的算法，该算法已成功应用于复杂液压系统智能仿真软件CHISP中．仿真实例表明，算法可显著提高病态系统的仿真速度．
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| 关 键 词： | 液压系统 仿真 建模 病态问题 |
A Study of the Ill-Conditioning Problem in Hydraulic Simulation |
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| Wang Yong, Wu Xianfu, Huang Shuhuai, Li Congxin.A Study of the Ill-Conditioning Problem in Hydraulic Simulation[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1997(7). |
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| Authors: | Wang Yong Wu Xianfu Huang Shuhuai Li Congxin |
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| Abstract: | The reason why an ill-conditioning problem occurs is briefly treated and the shortcomings of existing simulation algorithms are discussed. An algorithm which can automatically change the simulation step for an ill-conditioned cavity and can therefore be used to tackle an ill-conditioning problem is proposed. This algorithm has been successfully applied in the intelligent simulation software CHISP for a complex hydraulic system. Practical simulation shows that the algorithm can significantly shorten the process of simulation. |
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| Keywords: | hydraulic system simulation modeling ill-conditioning problem |
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