Design and Analysis of a Compliant Mechanism with Variable Stiffness

被引：0
|
作者：
Zhang, Weipeng [1 ]
Yan, Peng [1 ]
机构：
[1] Shandong Univ, Minist Educ, Key Lab High Effciency & Clean Mech Manufacture, Sch Mech Engn, Jinan 250061, Shandong, Peoples R China
来源：
2023 IEEE/ASME INTERNATIONAL CONFERENCE ON ADVANCED INTELLIGENT MECHATRONICS, AIM | 2023年
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1109/AIM46323.2023.10196177
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents the design and analysis of a variable stiffness flexure mechanism with a novel normal-stress electromagnetic stiffness tunable actuator (NESTA). Aiming at real-time stiffness adjustment of flexible mechanisms, the proposed method employs a combination of flexible guiding assembly and the NESTA structure. The static model of the proposed mechanism is developed, including the analysis of the static electromagnetic force and the electromagnetic stiffness, as well as the stiffness of the flexible guide assembly. The electromagnetic stiffness adjustment capability is further evaluated by finite element software COMSOL. The effect of mechanism stiffness adjustment on mechanism characteristics is also analyzed by multi-physics field coupled finite element simulation, which demonstrates the nonlinear characteristics associated with the armature position.
引用
收藏
页码：1254 / 1259
页数：6
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