Journal
IEEE ROBOTICS AND AUTOMATION LETTERS
Volume 6, Issue 2, Pages 3711-3719Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LRA.2021.3064254
Keywords
Aerial systems; mechanics and control; multirobot systems; aerial robot manipulation
Categories
Funding
- NSF IIS Core Award RI: Small: Learning Resilient Autonomous Flight Behaviors by Exploiting Collision-tolerance [2008904]
- Direct For Computer & Info Scie & Enginr
- Div Of Information & Intelligent Systems [2008904] Funding Source: National Science Foundation
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The Aerial Robotic Chain Manipulator is capable of exerting strong forces and moments, carrying significant payloads, and navigating through narrow corridors. A hybrid modeling framework is used to simulate the system in both Free-flight and Aerial Manipulation modes, with respective controllers designed for stability. Experimental studies show the system's stability and performance in tasks such as valve rotation and load oscillation suppression.
This letter presents the system design, modeling, and control of the Aerial Robotic Chain Manipulator. This new robot design offers the potential to exert strong forces and moments on the environment, carry and lift significant payloads, and simultaneously navigate through narrow corridors. We contribute a hybrid modeling framework to model the system both in Free-flight mode, where the end-effector acts as a normal pendulum, and in Aerial Manipulation mode, where the system behaves as an inverted pendulum. Respective controllers are designed for both operating modes with stability guarantees provided by Lyapunov theory. The presented experimental studies include a task of valve rotation, a pick-and-release task, and the verification of load oscillation suppression to demonstrate the stability and performance of the system.
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