Design and Analysis of FCSTAR, a Hybrid Flying and Climbing Sprawl Tuned Robot | IEEE Journals & Magazine | IEEE Xplore

Design and Analysis of FCSTAR, a Hybrid Flying and Climbing Sprawl Tuned Robot


Abstract:

This letter presents a hybrid flying and climbing robot which we named FCSTAR. This new robot, an upgraded version of FSTAR, is designed for climbing over slopes and is f...Show More

Abstract:

This letter presents a hybrid flying and climbing robot which we named FCSTAR. This new robot, an upgraded version of FSTAR, is designed for climbing over slopes and is fitted with a sprawling mechanism and propellers that allow it to both run and fly using the same motors. By using thrust reversal and its 4-wheel drive, the robot can drive over steep slopes including walls and reach high places where it cannot fly, such as pipes, sewage channels, ventilation ducts, etc. The combined capabilities of flying, running and climbing allows the FCSTAR to fly over, crawl underneath or climb over obstacles. We first describe the design of the robot and the configuration of the propulsion and flying systems, including the design considerations for its improved climbing capabilities. We then present a model of climbing and analytically compare the different modes of operation to define the optimal design configuration. Finally, we present multiple experiments that we performed using our newly developed design of the FCSTAR robot. The results show that this experimental robot can drive on inclined surfaces and even climb on vertical walls. It can reach ground speeds of up to 3.2 m/s, and fly like a regular quadcopter (see attached video).
Published in: IEEE Robotics and Automation Letters ( Volume: 6, Issue: 4, October 2021)
Page(s): 6188 - 6195
Date of Publication: 05 May 2021

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