NDLI: Design and Experimental Study of a Bioinspired Wall-Climbing Robot With Multi-Locomotion Modes

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Xu, Linsen Liu, Jinfu Xu, Jiajun Wu, Xuan Fan, Shengyao
Copyright Year	2018
Abstract	In this article, a novel wall-climbing locomotion mechanism, which can adapt multiple wall surfaces is developed to imitate the special animals, such as geckoes or flies. The spiny and adhesive belts are adopted in this robot to implement climbing on different kinds of wall surfaces instead of the vacuum generator for moving quietly and quickly. The switching mechanism is brought out to realize the belts switching between different surfaces, and a tail made up of two torsional springs and a supporting part is designed to overcome the robot’s overturning moment. So the mechanical system of the robot consists of four parts: the power and drive system, the moving mechanisms (spiny and adhesive), the switching system and the tail. Then the virtual prototyping of the robot with multi-locomotion modes is brought out, and the different gaits on the rough surface, the smooth surface and the transition process are analyzed. During the spine gait using the spine belts, the adhesive force should overcome the robot gravity and drive it, so the drive torque can obtained by building the force balance equations of the robot, which include the supporting forces of the spine belts and the tail. During the adhesive gait using the adhesive rubber belts, the force balance equations should include the supporting forces of the adhesive belts and the tail. And during the transition gait, the force balance equations include all of the above forces. So the mechanical model of the robot can be built according to the above analysis. Finally, the experimental prototype of the wall-climbing robot is manufactured and the wall-climbing experiments are carried out to testify its functions. The experiments show that the robot can adapt to different wall surfaces, and the torque parameters obtained based on the dynamics model can ensure the robot to locomote stably.
Sponsorship	Aerospace Division
File Format	PDF
ISBN	9780791851951
DOI	10.1115/SMASIS2018-7925
Volume Number	Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies
Conference Proceedings	ASME 2018 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
Language	English
Publisher Date	2018-09-10
Publisher Place	San Antonio, Texas, USA
Access Restriction	Subscribed
Subject Keyword	Torque Gravity (force) Generators Surface roughness Design Adhesives Vacuum Biomimetics Dynamics (mechanics) Belts Rubber Engineering prototypes Springs Robots
Content Type	Text
Resource Type	Article

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