{"title":"含不确定参数润滑旋转间隙并联机构动态响应及可靠性分析","authors":"Xiulong Chen, Chengsi Ning, Yonghao Jia","doi":"10.1134/S0025654424604361","DOIUrl":null,"url":null,"abstract":"<p>Joint clearances and uncertain parameters of a parallel mechanism will cause the error between the actual dynamic response and the desired dynamic response, leading to a dynamic reliability problem. Currently, the reliability analysis of mechanisms mainly focuses on mechanism with clearances or with uncertain parameters, very few involve considering both clearances and uncertainty parameters simultaneously. The main purpose of this article is to propose a dynamic reliability analysis method of a parallel mechanism with revolute clearance and uncertainty parameters. The dynamic reliability analysis of a parallel mechanism with lubrication revolute clearance joints and uncertain parameters is studied in this paper. The 3-<u>R</u>RPaR spatial parallel mechanism is taken as an example, lubrication revolute clearance joints model is established, and the dynamic model of mechanism with lubrication revolute clearance joints is derived. The dynamic reliability model of mechanism with lubrication revolute clearance joints and uncertain parameters is developed. The effects of various random uncertain parameters on the dynamic reliability of mechanism with lubrication revolute clearance joints are analyzed. This can not only provide a new method for dynamic response reliability analysis of mechanism with lubrication clearances and uncertain parameters, but also lay the foundation for dynamic response and reliability optimization design.</p>","PeriodicalId":697,"journal":{"name":"Mechanics of Solids","volume":"59 4","pages":"2535 - 2555"},"PeriodicalIF":0.6000,"publicationDate":"2024-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Dynamic Responses and Reliability Analysis of a Parallel Mechanism with Lubrication Revolute Clearance Joints and Uncertain Parameters\",\"authors\":\"Xiulong Chen, Chengsi Ning, Yonghao Jia\",\"doi\":\"10.1134/S0025654424604361\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Joint clearances and uncertain parameters of a parallel mechanism will cause the error between the actual dynamic response and the desired dynamic response, leading to a dynamic reliability problem. Currently, the reliability analysis of mechanisms mainly focuses on mechanism with clearances or with uncertain parameters, very few involve considering both clearances and uncertainty parameters simultaneously. The main purpose of this article is to propose a dynamic reliability analysis method of a parallel mechanism with revolute clearance and uncertainty parameters. The dynamic reliability analysis of a parallel mechanism with lubrication revolute clearance joints and uncertain parameters is studied in this paper. The 3-<u>R</u>RPaR spatial parallel mechanism is taken as an example, lubrication revolute clearance joints model is established, and the dynamic model of mechanism with lubrication revolute clearance joints is derived. The dynamic reliability model of mechanism with lubrication revolute clearance joints and uncertain parameters is developed. The effects of various random uncertain parameters on the dynamic reliability of mechanism with lubrication revolute clearance joints are analyzed. This can not only provide a new method for dynamic response reliability analysis of mechanism with lubrication clearances and uncertain parameters, but also lay the foundation for dynamic response and reliability optimization design.</p>\",\"PeriodicalId\":697,\"journal\":{\"name\":\"Mechanics of Solids\",\"volume\":\"59 4\",\"pages\":\"2535 - 2555\"},\"PeriodicalIF\":0.6000,\"publicationDate\":\"2024-12-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Mechanics of Solids\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://link.springer.com/article/10.1134/S0025654424604361\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"MECHANICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mechanics of Solids","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1134/S0025654424604361","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MECHANICS","Score":null,"Total":0}
Dynamic Responses and Reliability Analysis of a Parallel Mechanism with Lubrication Revolute Clearance Joints and Uncertain Parameters
Joint clearances and uncertain parameters of a parallel mechanism will cause the error between the actual dynamic response and the desired dynamic response, leading to a dynamic reliability problem. Currently, the reliability analysis of mechanisms mainly focuses on mechanism with clearances or with uncertain parameters, very few involve considering both clearances and uncertainty parameters simultaneously. The main purpose of this article is to propose a dynamic reliability analysis method of a parallel mechanism with revolute clearance and uncertainty parameters. The dynamic reliability analysis of a parallel mechanism with lubrication revolute clearance joints and uncertain parameters is studied in this paper. The 3-RRPaR spatial parallel mechanism is taken as an example, lubrication revolute clearance joints model is established, and the dynamic model of mechanism with lubrication revolute clearance joints is derived. The dynamic reliability model of mechanism with lubrication revolute clearance joints and uncertain parameters is developed. The effects of various random uncertain parameters on the dynamic reliability of mechanism with lubrication revolute clearance joints are analyzed. This can not only provide a new method for dynamic response reliability analysis of mechanism with lubrication clearances and uncertain parameters, but also lay the foundation for dynamic response and reliability optimization design.
期刊介绍：
Mechanics of Solids publishes articles in the general areas of dynamics of particles and rigid bodies and the mechanics of deformable solids. The journal has a goal of being a comprehensive record of up-to-the-minute research results. The journal coverage is vibration of discrete and continuous systems; stability and optimization of mechanical systems; automatic control theory; dynamics of multiple body systems; elasticity, viscoelasticity and plasticity; mechanics of composite materials; theory of structures and structural stability; wave propagation and impact of solids; fracture mechanics; micromechanics of solids; mechanics of granular and geological materials; structure-fluid interaction; mechanical behavior of materials; gyroscopes and navigation systems; and nanomechanics. Most of the articles in the journal are theoretical and analytical. They present a blend of basic mechanics theory with analysis of contemporary technological problems.
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