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Kinematic Analysis of Bionic Elephant Trunk Robot Based on Flexible Series-Parallel Structure
Qitao Huang1, Peng Wang1, Yuhao Wang1
1Harbin Institute of Technology, School of Mechatronics Engineering, Harbin 150001, China.
Biomimetics (Basel, Switzerland)
|December 22, 2022
Summary
This study introduces a novel series-parallel bionic robot inspired by elephant trunks, featuring flexible rod actuation for adaptable stiffness control in complex environments.
Area of Science:
- Robotics
- Biomimetics
- Mechanical Engineering
Background:
- Bionic robots mimic biological systems for enhanced functionality.
- Elephant trunks inspire robots due to dexterity and adjustable stiffness.
- Existing elephant trunk robots often have complex structures.
Purpose of the Study:
- To propose a novel series-parallel elephant trunk robot.
- To simplify the structure of bionic elephant trunk robots.
- To enable stiffness control through flexible rod actuation.
Main Methods:
- Development of a series-parallel robot architecture.
- Integration of flexible rod actuation.
- Design of a 6-degree-of-freedom (6-dof) parallel module.
- Kinematic modeling of the flexible driving rod, parallel module, and overall robot.
Main Results:
- A bionic robot with a simplified structure and redundant kinematics.
- Successful simulation-based verification of the robot's kinematics.
- Foundation laid for future research into stiffness regulation.
Conclusions:
- The proposed series-parallel elephant trunk robot offers a simpler design.
- The robot's redundant kinematics facilitate stiffness control.
- Kinematic validation provides a basis for advanced control strategies.
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