Sensor-based robust incremental three-dimensional guidance law with terminal angle constraint

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dc.contributor.authorHan, Tuo
dc.contributor.authorHu, Qinglei
dc.contributor.authorShin, Hyo-Sang
dc.contributor.authorTsourdos, Antonios
dc.contributor.authorXin, Ming
dc.date.accessioned2021-10-15T11:43:07Z
dc.date.available2021-10-15T11:43:07Z
dc.date.issued2021-07-28
dc.description.abstractIn this work, a robust incremental three-dimensional (3D) guidance law is proposed considering terminal angle constraint against maneuvering targets. As a stepping stone, the line-of-sight (LOS) tracking error dynamics is employed for the 3D guidance law design. A sliding variable is constructed such that its first-order derivative excludes the relative range in the perturbation, which avoids the unboundedness of system perturbation induced by target maneuvers near collision. A time-varying version of the sliding variable is designed to accelerate convergence of the LOS tracking errors and avoid large initial sliding variables. Then, two guidance laws are derived as a benchmark via the nonlinear dynamic inversion (NDI)-based sliding mode control (NDI-SMC) and NDI-based time-varying sliding mode control (NDI-TVSMC), respectively. To further improve guidance robustness with reduced system perturbation, the sensor-based incremental nonlinear dynamic inversion (INDI) control is used to design the INDI-SMC-based and INDI-TVSMC-based guidance laws. The sensor-based guidance laws exploit the LOS angular acceleration and guidance command output at the latest step, which result in smaller guidance gains to reject the perturbation than the NDI guidance laws. Numerical simulations in various cases and comparison studies are conducted to verify the effectiveness and robustness of the proposed method.en_UK
dc.identifier.citationHan T, Hu Q, Shin H-S, et al., (2021) Sensor-based robust incremental three-dimensional guidance law with terminal angle constraint. Journal of Guidance, Control, and Dynamics, Volume 44, Number 11, November 2021, pp. 2016-2030en_UK
dc.identifier.issn0731-5090
dc.identifier.urihttps://doi.org/10.2514/1.G006038
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/17171
dc.language.isoenen_UK
dc.publisherAIAAen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.titleSensor-based robust incremental three-dimensional guidance law with terminal angle constrainten_UK
dc.typeArticleen_UK

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