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金属带式无级变速器速比匹配与控制研究

, PP. 116-121

Keywords: 汽车工程,无级变速器,试验研究,动态匹配,液压系统,模糊控制器

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Abstract:

？首先建立金属带式无级变速器(CVT)的液压系统数学模型,在此基础上通过试验分析了液压系统对速比变化率的影响;其次考虑到CVT系统复杂的非线性和速比控制阀的开关特性,设计了模糊速比控制器;最后进行了速比控制台架试验和变速控制系统整车道路试验。试验结果表明:所设计的速比控制器能很好地实现实际速比对目标速比的追踪,满足汽车的变速要求,能应用于实际的金属带式CVT中。

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