[1]李寒冰,朱 伟,沈惠平,等.一种并联式太阳追踪机构设计与参数优化[J].常州大学学报(自然科学版),2019,31(01):41-49.[doi:10.3969/j.issn.2095-0411.2019.01.007]
　LI Hanbing,ZHU Wei,SHEN Huiping,et al.Design and Parameter Optimization of A Parallel Solar Tracking Mechanism[J].Journal of Changzhou University(Natural Science Edition),2019,31(01):41-49.[doi:10.3969/j.issn.2095-0411.2019.01.007]
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一种并联式太阳追踪机构设计与参数优化()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第31卷
期数:
2019年01期
页码:
41-49
栏目:
机械制造及其自动化
出版日期:
2019-01-28

文章信息/Info

Title:
Design and Parameter Optimization of A Parallel Solar Tracking Mechanism
文章编号:
2095-0411(2019)01-0041-09
作者:
李寒冰; 朱 伟; 沈惠平; 刘晓飞; 马致远
(常州大学 机械工程学院,江苏 常州 213164)
Author(s):
LI Hanbing;  ZHU Wei;  SHEN Huiping;  LIU Xiaofei;  MA Zhiyuan
(School of Mechanical Engineering, Changzhou University, Changzhou 213164, China)
关键词:
太阳追踪;  并联机构;  工作空间;  灵巧度;  优化设计
Keywords:
solar tracking;  parallel mechanism;  workspace;  dexterity;  optimum design
分类号:
TH 112
DOI:
10.3969/j.issn.2095-0411.2019.01.007
摘要:
设计了一种新型2PUS-2PRU并联机构,推导了该机构的位置逆解方程和雅克比矩阵; 分析了机构的工作空间、灵巧度等运动性能指标,以及主要设计参数对运动性能的影响; 以全局条件数为目标函数,给出机构的结构影响因子和尺寸范围等约束条件,并采用遗传算法优化设计出最佳参数值。结果表明,机构优化后的工作空间明显变大,灵巧度也得到显著改善。并研究了该机构在追踪太阳轨迹上的应用,得到四个不同时刻太阳追踪模拟图、装置转角的变化曲线图,结果表明:该机构完全满足太阳追踪的转角要求。
Abstract:
A new 2PUS-2PRU parallel mechanism is designed. Firstly the inverse solution and the Jacobian matrix are analyzed. Secondly based on the study of the motion performance, the workspace and dexterity are determined, and the influence of main design parameters on the performance is analyzed. Taking the number of global conditions as the objective function, the constraint conditions such as the structure influence factor and size range of the mechanism are obtained.In addition, the optimal parameter value is solved by using the MATLAB genetic algorithm toolbox. The results show that the workspace is obviously enlarged and the dexterity of the parallel mechanism is improved significantly. Finally the application of the mechanism in the trajectory tracking of sun are studied, while the tracking simulation diagram of sun at four different times and the change curve of the mechanism are obtained. The results show that the mechanism meets the requirements of the rotation angle of solar tracking fully.

参考文献/References:


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备注/Memo

备注/Memo:
收稿日期:2018-08-31。
基金项目:江苏省自然科学基金项目资助(BK20161192)。
作者简介:李寒冰(1992—),男,江苏泰兴人,硕士生。通信联系人:朱伟(1976—),E-mail:zwllx@126.com
更新日期/Last Update: 2019-02-20