Design and Modeling of a Continuously Tunable Stiffness Arm for Safe Physical Human–Robot Interaction
Design and Modeling of a Continuously Tunable Stiffness Arm for Safe Physical Human–Robot Interaction
复制标题
用于安全人体与机器人交互的连续可调刚度臂的设计和建模
DOI:
10.1115/1.4044840
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Lai, Cheng
中科院分区:
文献类型:
--
作者:
She, Yu;Su, Hai-Jun;Meng, Deshan;Lai, Cheng
To reduce injury in physical human–robot interactions (pHRIs), a common practice is to introduce compliance to joints or arm of a robotic manipulator. In this paper, we present a robotic arm made of parallel guided beams whose stiffness can be continuously tuned by morphing the shape of the cross section through two four-bar linkages actuated by servo motors. An analytical lateral stiffness model is derived based on the pseudo-rigid-body model and validated by experiments. A physical prototype of a three-armed manipulator is built. Extensive stiffness and impact tests are conducted, and the results show that the stiffness of the robotic arm can be changed up to 3.6 times at a morphing angle of 37 deg. At an impact velocity of 2.2 m/s, the peak acceleration has a decrease of 19.4% and a 28.57% reduction of head injury criteria (HIC) when the arm is tuned from the high stiffness mode to the low stiffness mode. These preliminary results demonstrate the feasibility to reduce impact injury by introducing compliance into the robotic link and that the compliant link solution could be an alternative approach for addressing safety concerns of physical human–robot interactions.
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DOI:
10.1016/j.robot.2019.07.017
发表时间:
2019-10
期刊:
Robotics Auton. Syst.
影响因子:
--
作者:
Siyang Song;Xianpai Zeng;Y. She;Junmin Wang;H. Su
通讯作者:
Siyang Song;Xianpai Zeng;Y. She;Junmin Wang;H. Su
DOI:
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发表时间:
2015
期刊:
2001 IEEE/ASME International Conference on Advanced Intelligent Mechatronics. Proceedings (Cat. No.01TH8556)
影响因子:
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作者:
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通讯作者:
C. Gosselin
DOI:
10.1109/icsmc.1999.812368
发表时间:
1999
期刊:
IEEE SMC'99 Conference Proceedings. 1999 IEEE International Conference on Systems, Man, and Cybernetics (Cat. No.99CH37028)
影响因子:
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作者:
Y. Yamada;Hitoshi Konosu;T. Morizono;Y. Umetani
通讯作者:
Y. Umetani
影响因子:
9.2
作者:
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通讯作者:
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DOI:
10.1109/icra.2017.7989795
发表时间:
2017-05
期刊:
2017 IEEE International Conference on Robotics and Automation (ICRA)
影响因子:
--
作者:
Y. She;Deshan Meng;Junxiao Cui;H. Su
通讯作者:
Y. She;Deshan Meng;Junxiao Cui;H. Su