Unified control parameterization approach for finite-horizon feedback control with trajectory shaping

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dc.contributor.authorCho, Namhoon
dc.contributor.authorPark, Jongho
dc.contributor.authorKim, Youdan
dc.contributor.authorShin, Hyo-Sang
dc.date.accessioned2022-03-30T09:30:59Z
dc.date.available2022-03-30T09:30:59Z
dc.date.issued2022-03-22
dc.description.abstractThis study presents control parametrisation as a unifying framework for designing a linear feedback control law that achieves finite-time transfer of output as well as trajectory shaping. Representing control input as a linear combination of independent basis functions allows wide variability in the resultant feedback control laws through selection of the number and types of basis functions. Given an array of basis functions that meets the trajectory shaping necessities, the unified design approach proceeds with determination of the coefficients so that the predicted trajectory attains the desired output at the final time. The input evaluated with the coefficients found at each instance essentially turns out to be a linear state feedback policy with an additional feedforward term and time-dependent gains which is appropriate for practical use. The unified control parametrisation approach lends itself well to missile guidance applications with the expandability and direct trajectory shaping capability that it provides. To emphasise expandability of the framework, this study revisits the trajectory shaping guidance laws from the control parametrisation viewpoint and shows how the notion of specifying input basis functions not only generalises various existing methods but also enables further extensions. Furthermore, an application to integrated guidance and control illustrates the strength of design process in handling the shaping requirements more directly through construction of appropriate basis.en_UK
dc.identifier.citationCho N, Park J, Kim Y, Shin H-S. (2022) Unified control parameterization approach for finite-horizon feedback control with trajectory shaping. IEEE Transactions on Aerospace and Electronic Systems, Volume 58, Issue 5, October 2022, pp. 4782-4795en_UK
dc.identifier.issn0018-9251
dc.identifier.urihttps://doi.org/10.1109/TAES.2022.3160990
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/17707
dc.language.isoenen_UK
dc.publisherIEEEen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectControl Parameterization
dc.subjectTerminal Controlen_UK
dc.subjectControl Parametrisationen_UK
dc.subjectBasis Functionen_UK
dc.subjectMissile Guidanceen_UK
dc.subjectTrajectory Shapingen_UK
dc.titleUnified control parameterization approach for finite-horizon feedback control with trajectory shapingen_UK
dc.typeArticleen_UK

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