[1]万 禹,张 波.单侧受压密封圈摩擦力的建模与辨识[J].机械与电子,2023,41(11):75-80.
　WAN Yu,ZHANG Bo.Modeling and Identification of Seal Ring Friction under Unilateral Pressure[J].Machinery & Electronics,2023,41(11):75-80.
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单侧受压密封圈摩擦力的建模与辨识()
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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

卷:
41
期数:
2023年11期
页码:
75-80
栏目:
机电一体化技术
出版日期:
2023-11-23

文章信息/Info

Title:
Modeling and Identification of Seal Ring Friction under Unilateral Pressure
文章编号:
1001-2257 ( 2023 ) 11-0075-06
作者:
万 禹; 张 波
上海交通大学机械与动力工程学院,上海 200240
Author(s):
WAN Yu ;  ZHANG Bo
( School of Mechanical Engineering , Shanghai Jiao Tong University , Shanghai 200240 , China )
关键词:
密封圈摩擦力; 单侧受压; Stribeck 模型; 参数辨识
Keywords:
seal ring friction ;  unilateral pressure ;  Stribeck model ;  parameter identification
分类号:
TH117.1
文献标志码:
A
摘要:
密封圈在受到单侧的介质压力时会发生明显的单向变形,摩擦力因此表现出关于速度的不对称特性。为描述摩擦力的不对称性,提出改进的非对称 Stribeck 密封圈摩擦力模型,并构造带约束的最小二乘优化问题,使用信赖域法求解参数辨识问题。最后,使用基于无摩擦气缸的密封圈摩擦力测试台测量不受压和单侧受压时的摩擦力,验证了所提不对称摩擦力模型与辨识方法的有效性。
Abstract:
When the seal ring is subjected to unilateral medium pressure , it will have apparent unidirectional deformation , so the friction shows asymmetric features to velocity.An improved asymmetric friction model of the Stribeck seal ring is proposed to describe the asymmetry of variance , and a constrained least squares optimization problem is constructed.The trust-region-reflective method is used to solve the parameter identification problem.Finally , a friction tester based on a frictionless cylinder is used to measure the friction without pressure and under unilateral pressure , and the validity of the asymmetric friction model and identification method proposed was verified.

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备注/Memo

备注/Memo:
收稿日期: 2023-05-20
作者简介:万 禹 ( 1998- ),男,安徽安庆人,硕士研究生,研究方向为精密伺服驱动与控制;张 波 ( 1977- ),男,河南驻马店人,博士,副研究员,研究方向为机器人学与运动控制技术,通信作者。
更新日期/Last Update: 2023-12-14