A novel overactuated quadrotor unmanned aerial vehicle: Modeling, control, and experimental validation

Markus Ryll, Heinrich H. Bülthoff, Paolo Robuffo Giordano

    Research output: Contribution to journalArticlepeer-review

    344 Citations (Scopus)

    Abstract

    Standard quadrotor unmanned aerial vehicles (UAVs) possess a limited mobility because of their inherent underactuation, that is, availability of four independent control inputs (the four propeller spinning velocities) versus the 6 degrees of freedom parameterizing the quadrotor position/orientation in space. Thus, the quadrotor pose cannot track arbitrary trajectories in space (e.g., it can hover on the spot only when horizontal). Because UAVs are more and more employed as service robots for interaction with the environment, this loss of mobility due to their underactuation can constitute a limiting factor. In this paper, we present a novel design for a quadrotor UAV with tilting propellers which is able to overcome these limitations. Indeed, the additional set of four control inputs actuating the propeller tilting angles is shown to yield full actuation to the quadrotor position/orientation in space, thus allowing it to behave as a fully actuated flying vehicle. We then develop a comprehensive modeling and control framework for the proposed quadrotor, and subsequently illustrate the hardware and software specifications of an experimental prototype. Finally, the results of several simulations and real experiments are reported to illustrate the capabilities of the proposed novel UAV design.

    Original languageEnglish
    Article number6868215
    Pages (from-to)540-556
    Number of pages17
    JournalIEEE Transactions on Control Systems Technology
    Volume23
    Issue number2
    DOIs
    Publication statusPublished - 2015 Mar 1

    Bibliographical note

    Publisher Copyright:
    © 1993-2012 IEEE.

    Keywords

    • Aerial robotics
    • aerodynamical modeling
    • dynamical modeling
    • flight control
    • overactuation
    • quadrotor unmanned aerial vehicles (UAVs)
    • redundancy resolution

    ASJC Scopus subject areas

    • Control and Systems Engineering
    • Electrical and Electronic Engineering

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