Author
Listed:
- Peidong Liang
- Lianzheng Ge
- Yihuan Liu
- Lijun Zhao
- Ruifeng Li
- Ke Wang
Abstract
Human-robot collaboration (HRC) is a key feature to distinguish the new generation of robots from conventional robots. Relevant HRC topics have been extensively investigated recently in academic institutes and companies to improve human and robot interactive performance. Generally, human motor control regulates human motion adaptively to the external environment with safety, compliance, stability, and efficiency. Inspired by this, we propose an augmented approach to make a robot understand human motion behaviors based on human kinematics and human postural impedance adaptation. Human kinematics is identified by geometry kinematics approach to map human arm configuration as well as stiffness index controlled by hand gesture to anthropomorphic arm. While human arm postural stiffness is estimated and calibrated within robot empirical stability region, human motion is captured by employing a geometry vector approach based on Kinect. A biomimetic controller in discrete-time is employed to make Baxter robot arm imitate human arm behaviors based on Baxter robot dynamics. An object moving task is implemented to validate the performance of proposed methods based on Baxter robot simulator. Results show that the proposed approach to HRC is intuitive, stable, efficient, and compliant, which may have various applications in human-robot collaboration scenarios.
Suggested Citation
Peidong Liang & Lianzheng Ge & Yihuan Liu & Lijun Zhao & Ruifeng Li & Ke Wang, 2016.
"An Augmented Discrete-Time Approach for Human-Robot Collaboration,"
Discrete Dynamics in Nature and Society, Hindawi, vol. 2016, pages 1-13, April.
Handle:
RePEc:hin:jnddns:9126056
DOI: 10.1155/2016/9126056
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