Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/83773
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dc.contributor.authorTan, Chun Kiaten
dc.contributor.authorWang, Jianliangen
dc.contributor.authorPaw, Yew Chaien
dc.contributor.authorNg, Teng Yongen
dc.date.accessioned2017-07-05T05:58:56Zen
dc.date.accessioned2019-12-06T15:31:45Z-
dc.date.available2017-07-05T05:58:56Zen
dc.date.available2019-12-06T15:31:45Z-
dc.date.issued2016en
dc.identifier.citationTan, C. K., Wang, J., Paw, Y. C., & Ng, T. Y. (2016). Tracking of a moving ground target by a quadrotor using a backstepping approach based on a full state cascaded dynamics. Applied Soft Computing, 47, 47-62.en
dc.identifier.issn1568-4946en
dc.identifier.urihttps://hdl.handle.net/10356/83773-
dc.description.abstractIn this paper, a tracking controller is formulated for a quadrotor to track a moving ground target. The quadrotor exhibits distinct hierarchical dynamics that allows its position to be controlled by its attitude. This motivates the use of backstepping control on the underactuated quadrotor. Most backstepping architecture controls the quadrotor position and attitude independently, and couples them with inverse kinematics. Inverse kinematics computes the attitude angles required to achieve a desired acceleration. However unmodeled effects are shown to cause inexact inversion resulting in tracking error. The approach proposed in this paper uses a re-formulated full state cascaded dynamics to eliminate the need for inverse kinematics in a full state backstepping control architecture. It is shown that zero steady state error is achieved in the presence of unmodeled aerodynamics effect and wind disturbance despite no integral action. In addition, a backstepping formulation is derived using contraction theory that guarantees the boundedness of state response under bounded disturbances such as wind. This improves the system performance. Numerical simulations are performed using the proposed controller to track a target moving along predefined paths and the results are compared with a benchmark controller derived using inverse kinematics. The results show that the proposed controller is able to achieve better tracking performance under unmodeled aerodynamic effects and wind disturbance as compared with the benchmark controller.en
dc.format.extent44 p.en
dc.language.isoenen
dc.relation.ispartofseriesApplied Soft Computingen
dc.rights© 2016 Elsevier B.V. This is the author created version of a work that has been peer reviewed and accepted for publication by Applied Soft Computing, Elsevier B.V. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.asoc.2016.04.007].en
dc.subjectQuadrotoren
dc.subjectUAVen
dc.titleTracking of a moving ground target by a quadrotor using a backstepping approach based on a full state cascaded dynamicsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.identifier.doi10.1016/j.asoc.2016.04.007en
dc.description.versionAccepted versionen
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