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To address unavoidable dimensional clearance issues in motor products caused by manufacturing and assembly processes, a mathematical model for new energy vehicle motors considering clearance is established based on the second kind of Lagrange equation, incorporating the Lankarani-Nikravesh model and Hertz theory. Subsequently, a finite element simulation model is developed in ADAMS, and time history integration is performed using the Newmark integration method. The analysis statistically evaluates the effects of different types of structural clearance on the output rotational characteristics. The influence of clearance types and magnitudes on the dynamic performance of the motor is elucidated, providing theoretical support for the design improvement of new energy vehicle motor parameters.

, authors=Xin Zheng¹, Jie Yi², authorsList=Xin Zheng, Jie Yi, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309639196852187485, articleId=1309639196386619739, tenantId=1146029695717560320, journalId=1189645257101713411, language=CN, title=考虑间隙的新能源汽车电机回转特性仿真研究, columnId=1309639191709975247, journalTitle=汽车文摘, columnName=燃料电池关键材料与系统性能优化技术专题, runingTitle=null, highlight=null, articleAbstract=

针对制造、装配工艺等原因，使电机产品出现不可避免的尺寸间隙问题，基于第二类拉格朗日方程，结合Lankarani-Nikravesh模型和Hertz理论，建立了考虑间隙的新能源汽车电机数学模型。随后，基于ADAMS建立有限元仿真模型，并通过Newmark积分法进行时间历程积分，针对不同类型的结构间隙对输出回转特性进行分析统计，并阐明了间隙类型以及间隙大小对电机动力特性的影响，为新能源汽车电机参数的设计改良提供了理论支持。

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