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仿生气动肌纤维静态特性建模与实验研究

本站小编 Free考研考试/2022-02-12

雷静桃(), 张悦文, 戴臻豪, 徐子力
上海大学 机电工程与自动化学院, 上海 200444
收稿日期:2020-04-03出版日期:2021-05-28发布日期:2021-06-01

作者简介:雷静桃(1970-),女,河南省洛阳市人,教授,博士生导师,现主要从事仿生机器人技术研究.电话(Tel.):13918337872;E-mail: jtlei2000@163.com.
基金资助:国家自然科学基金资助项目(51775323);国家自然科学基金资助项目(51375289)

Modeling and Experimental Study on Static Characteristics of Bionic Pneumatic Muscle Fiber

LEI Jingtao(), ZHANG Yuewen, DAI Zhenhao, XU Zili
School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, China
Received:2020-04-03Online:2021-05-28Published:2021-06-01







摘要/Abstract


摘要: 开展气动肌纤维静态特性建模与实验研究,综合考虑气动肌纤维端部变形、摩擦力、死区气压等对其静态特性的影响,提出一种气动肌纤维静态特性数学模型.搭建气动肌纤维静态特性实验平台,开展气动肌纤维及气动肌纤维束静态特性等长实验、等张实验及等压实验,对比分析不同规格参数的气动肌纤维及气动肌纤维束的静态特性.基于实验所得的等压特性曲线,提出一种气动肌纤维束实验模型,由大量实验数据辨识获得符合实际情况的气动肌纤维及气动肌纤维束的静态特性数学模型,为气动肌纤维驱动微型仿生机器人的精准控制奠定基础.
关键词: 气动肌纤维, 气动肌纤维束, 静态特性
Abstract: In this paper, the static characteristics modeling and experimental study of pneumatic muscle fiber (PMF) are conducted. Considering the influence of end deformation, friction, and dead zone pressure on the static characteristics of PMF, a mathematical model of static characteristics of PMF is proposed. The static characteristics experimental platform is designed, and the static characteristics experiments of PMF and pneumatic muscle fiber bundles (PMFB) are performed, including the isometric experiment, the isotonic experiment, and the isobaric experiment. The static characteristics of PMF and PMFB with different specifications are compared and analyzed. Based on the isobaric characteristic curves obtained from the experiment, an experimental model of PMFB is proposed. Besides, the mathematical models of static characteristics of PMF and PMFB are identified by a large number of experimental data, which are in line with the actual situation. The study in this paper will lay the foundation for the precise control of micro bionic robot driven by PMF.
Key words: pneumatic muscle fiber (PMF), pneumatic muscle fiber bundle (PMFB), static characteristic


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