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基于等效惯量模拟的空间站转位机械臂承载性能测试
Alternative TitleLoad carrying capacity test of the space station redocking manipulator based on the equivalent inertia simulation method
徐志刚; 白鑫林; 王军义; 贺云
Department装备制造技术研究室
Source Publication机器人
ISSN1002-0446
2015
Volume37Issue:2Pages:231-236
Indexed ByEI ; CSCD
EI Accession number20152300924826
CSCD IDCSCD:5414402
Contribution Rank1
Keyword空间站转位机械臂 超大转动惯量模拟 等效转动惯量 动力学等效 性能测试
Abstract由于地面模拟真实舱体大惯量负载较为困难,且实现体积庞大,本文提出了一种基于等效惯量模拟的空间站转位机械臂承载性能测试方法,设计了一种基于气浮增速机构的惯量模拟器,并根据等效动力学原理建立了惯量模拟器等效负载数学模型,减小了负载惯量,降低了其空间微重力运动环境模拟难度,实现了空间机械臂承载性能的有效测试.最后通过仿真计算验证了测试方法与空间转位过程的一致性.仿真结果表明,腕关节和肩关节输出力矩与空间转位时输出力矩最大误差分别为4.61%和1.33%,腕关节和肩关节的惯量模拟误差分别小于4.52%和1.03%,证明该方法可有效地对转位机械臂进行承载性能测试.
Other AbstractIn a ground test, it is hard to conduct a full-physical simulation of function modules of a space station because of the great volume of space, the difficulties of weightlessness simulation and the huge cost. A test method based on the equivalent inertia simulation is proposed, which makes the volume of load inertia much smaller and reduces the difficulties of its micro-gravity space environment simulation. Inertia simulator, a mechanical mechanism mainly composed of gas bearings and a planet-gear increaser, is designed, and a mathematic model of the equivalent load of the inertia simulator based on the equivalent dynamics theory is established. Finally, simulation results show that the method is effective and can achieve the same joint torque loads of the space station redocking manipulator just as in space translocation. The relative errors of load torque of wrist joint and shoulder joint, respectively, are less than 4.61% and 1.33% and the maximum simulation errors of rotation inertia of wrist joint and shoulder joint, respectively, are 4.52% and 1.03%, which shows that the method can achieve a valid load bearing performance test of the space redocking manipulator.
Language中文
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/16167
Collection智能产线与系统研究室
Affiliation1.中国科学院沈阳自动化研究所
2.中国科学院大学
Recommended Citation
GB/T 7714
徐志刚,白鑫林,王军义,等. 基于等效惯量模拟的空间站转位机械臂承载性能测试[J]. 机器人,2015,37(2):231-236.
APA 徐志刚,白鑫林,王军义,&贺云.(2015).基于等效惯量模拟的空间站转位机械臂承载性能测试.机器人,37(2),231-236.
MLA 徐志刚,et al."基于等效惯量模拟的空间站转位机械臂承载性能测试".机器人 37.2(2015):231-236.
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