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Dynamic Modeling and Simulation Analysis of Underwater Manipulator with Large Arms
Authors
刘涛
孙英哲
+3 more
张奇峰
张运修
范云龙
Publication date
1 January 2021
Publisher
Abstract
面向水下环境大范围精细作业需求,对水下大臂展机械手系统进行动力学建模和关节驱动力矩求解分析。首先,基于D-H理论对水下大臂展机械手进行正、逆运动学分析,求解各连杆速度与加速度;然后,构建水下大臂展机械手的动力学模型,使用莫里森公式和D-H理论完善动力学模型中的水动力项,采用拉格朗日法求解整机的净浮力、惯性力、离心力、科氏力与末端负载力项,得出各关节所需驱动力矩和关节角、环境水流速度以及末端负载之间的函数关系;最后,针对具体作业场景,得出环境水流速度、目标负载转运下机械手各关节所需驱动力矩,为水下大臂展机械手设计提供理论支撑。</p
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Last time updated on 23/06/2021