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基于工作空间的3T1R并联机构尺寸优化设计
Authors
刘振坤
夏永强
+3 more
石志新
罗玉峰
谢冬福
Publication date
1 January 2018
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
采用一种球坐标变步长迭代快速搜索算法,分析求解了一种3T1R并联机构的可达工作空间,并用天牛须搜索算法对其机构尺寸进行了优化设计。首先,对机构进行位置分析,得到其运动学逆解;然后,采用一种球坐标变步长迭代快速搜索算法求解得到了该3T1R并联机构的可达工作空间,并以工作空间体积大小为衡量指标,定量分析了并联机构各结构参数对工作空间体积的影响;最后,以工作空间体积最大值为目标,利用天牛须搜索算法对并联机构结构参数进行了优化,得到了最优值。该求解算法运算步骤少,求解速度快,为此类并联机构的实际应用提供了理论依据
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Last time updated on 05/04/2023