In this paper, a control allocation scheme is presented for a multirotor type of an Unmanned Aerial Vehicle (UAV). The control allocation scheme depends on the multirotor configuration and rotor system parameters, and it enables analysis of dynamics of different multirotor designs depending on the purpose and the task which the multirotor has to carry out. The analysis of force and moment distribution in space shows that the non-flat design with passively tilted rotors can overcome an inherent underactuated condition of flat multirotor configurations. By increasing the tilt angle, the multirotor is able to achieve full controllability over its six degrees of freedom (6 DOFs). A robust chattering-free sliding mode asymptotic tracking control design of a fully actuated multirotor is presented. The simulation results show satisfying tracking performance of the proposed controller.
Chattering-Free Tracking Control of a Fully Actuated Multirotor with Passively Tilted Rotors
2018-04-09
Transactions of FAMENA ; ISSN 1333-1124 (Print) ; ISSN 1849-1391 (Online) ; Volume 42 ; Issue 1
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC: | 629 |
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