采用局部约束的半转翼驱动机构运动误差分析及其结构参数优化

王孝义; 汪辉兴; 邱晗; 陈富强; 邱支振

doi:10.13433/j.cnki.1003-8728.2017.0626

采用局部约束的半转翼驱动机构运动误差分析及其结构参数优化

doi: 10.13433/j.cnki.1003-8728.2017.0626

1.
安徽工业大学机械工程学院, 安徽马鞍山 243002

基金项目:

国家自然科学基金项目（51375014）资助

详细信息

作者简介:
王孝义(1970-),教授,博士,研究方向为仿生机械、数字化设计与制造,wangxy@ahut.edu.cn

计量
- 文章访问数: 120
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- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2016-04-12
- 刊出日期: 2017-06-05

Motion Error Analysis and Structural Optimization on Driving Mechanism of Half-rotating Wing based on Local Constraints

1.
School of Mechanical Engineering, Anhui University of Technology, Anhui Ma'anshan 243002, China

摘要

摘要: 半转翼是一种以转动式拍动替代摆动式拍动的新型类扑翼系统，针对传统半转机构传动复杂、重量大不适合飞行的缺点，提出一种采用局部约束的简约化半转机构作为半转翼驱动机构。给出了局部约束的形成过程和作用特点，根据运动构件间的接触状态将局部约束作用过程分成4个阶段，分别建立了不同阶段下的驱动机构半转杆转角偏差理论分析模型。在以上模型基础上，对驱动机构关键构件的结构进行优化设计。实例验证了半转杆转角偏差理论模型具有较好的可靠性，优化结果降低了转角偏差从而提高了驱动机构运行的平稳性。以上研究结果表明局部约束及其在简约化半转机构中的应用可为半转翼驱动机构设计提供新途径、新方法。
- 半转翼 /
- 驱动机构 /
- 局部约束 /
- 转角偏差 /
- 优化设计
Abstract: Half-rotating wing (HRW) is a new flapping-imitating wing system with rotating-type flapping instead of oscillating-type flapping. For the complex transmission and greater weight, traditional half-rotating mechanism (HRM) is not suitable for flight. The simplified HRM with local constraint is proposed as the driving mechanism of HRW in this paper. The performing process and characteristics of local constraint was further given. According to the contact state between moving components, the performing process of local constraint was divided into four stages. The error models of half-rotating rod angle under different stages were respectively established. Case study was also given to verify the availability of error models. On the basis of analysis models mentioned above, the structural parameters of some key components were optimized to decrease rotating angle error and improve running stability of driving mechanism. The research results indicated that the simplified HRM with local constraint was useful to design driving mechanism of HRW.
- half-rotating wing /
- driving mechanism /
- local constraint /
- rotating angle error /
- optimization design

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参考文献(24)

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