基于工作空间的混联式极化天线机构参数化设计及其力学分析

doi:10.3901/JME.2021.05.081

机械工程学报 ›› 2021, Vol. 57 ›› Issue (5): 81-89.doi: 10.3901/JME.2021.05.081

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基于工作空间的混联式极化天线机构参数化设计及其力学分析

邓云蛟¹, 段艳宾², 李建军², 窦玉超², 曾达幸¹, 侯雨雷¹

1. 燕山大学机械工程学院秦皇岛 066004;
2. 中国电子科技集团公司第五十四研究所石家庄 050081

收稿日期:2020-04-17 修回日期:2020-07-04 出版日期:2021-03-05 发布日期:2021-04-28
通讯作者: 侯雨雷(通信作者),男,1980年出生,博士,教授,博士研究生导师。主要研究方向为机器人机构学、复杂机电系统设计。E-mail:ylhou@ysu.edu.cn
作者简介:邓云蛟,男,1995年出生,博士研究生。主要研究方向为并联机构与机器人学。E-mail:2269756288@qq.com
基金资助:
国家重点研发计划（2018YFB1307900）、国家自然科学基金（51775473）、河北省自然科学基金（E2018203140，E2019203109）、河北省高等学校科学技术研究重点项目（ZD2019020）和河北省军民融合产业发展专项资金（2018B120）资助项目。

Parametric Design of Hybrid Polarization Antenna Mechanism Based on Workspace and Its Mechanical Analysis

DENG Yunjiao¹, DUAN Yanbin², LI Jianjun², DOU Yuchao², ZENG Daxing¹, HOU Yulei¹

1. School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004;
2. The 54th Research Institute of CETC, Shijiazhuang 050081

Received:2020-04-17 Revised:2020-07-04 Online:2021-03-05 Published:2021-04-28

摘要/Abstract

摘要： 并联机构自身结构所限难以适应非圆极化天线相位不变的要求，在3-RSR（R为转动副，S为球面副）并联机构基础上串联可实现单转动的极化机构，提出混联式极化天线机构。分析建立并联机构与极化机构运动关系，以避免并联机构方位运动时天线反射面所出现的横滚现象；考虑并联机构杆件干涉及运动副限制，进行机构参数化设计以满足俯仰0～90°、方位0～360°工作空间需求；参照传统天线风载工况，提出并联机构天线风载施加方法，规划不同运行轨迹，借助ADAMS仿真获得天线所需驱动力矩。研究工作拓展了天线构型并为天线样机研制奠定了基础。

关键词: 混联机构, 非圆极化天线, 工作空间, 风载荷, 参数化设计

Abstract: Limited by the structure of the parallel mechanism itself, it is difficult to adapt to the phase invariance requirement of non-circular polarized antenna. A 3-RSR (R denotes revolute pair and S denotes spherical pair) parallel mechanism is connected in series with a single-rotation polarization mechanism, and a hybrid polarization antenna mechanism is proposed. The kinematic relationship between the parallel mechanism and the polarization mechanism is established, which is a foundation to avoid the rolling phenomenon of the antenna reflection surface when the parallel mechanism performs azimuth motion. Considering that the rods interference of the parallel mechanism and the movement restrictions of the kinematic pairs, the parametric design of the mechanism is performed to meet the workspace including pitch 0-90° and orientation 0-360°. Referring to the wind load situations of the traditional antenna, the wind load application method of the parallel mechanism antenna is proposed, and the different running trajectories of the mechanism are planned. Using ADAMS software, the required drive torque for the antenna is obtained. The research work extends the antenna configuration and establishes a foundation for the development of antenna prototype.

Key words: hybrid mechanism, non-circular polarized antenna, workspace, wind load, parametric design

中图分类号:

TH112

邓云蛟, 段艳宾, 李建军, 窦玉超, 曾达幸, 侯雨雷. 基于工作空间的混联式极化天线机构参数化设计及其力学分析[J]. 机械工程学报, 2021, 57(5): 81-89.

DENG Yunjiao, DUAN Yanbin, LI Jianjun, DOU Yuchao, ZENG Daxing, HOU Yulei. Parametric Design of Hybrid Polarization Antenna Mechanism Based on Workspace and Its Mechanical Analysis[J]. Journal of Mechanical Engineering, 2021, 57(5): 81-89.

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基于工作空间的混联式极化天线机构参数化设计及其力学分析

Parametric Design of Hybrid Polarization Antenna Mechanism Based on Workspace and Its Mechanical Analysis

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