Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/71797
Title: Sliding mode guidance law for delayed LOS rate measurement
Authors: Lum, K.-Y. 
Xu, J.-X. 
Abidi, K.
Xu, J. 
Issue Date: 2008
Source: Lum, K.-Y.,Xu, J.-X.,Abidi, K.,Xu, J. (2008). Sliding mode guidance law for delayed LOS rate measurement. AIAA Guidance, Navigation and Control Conference and Exhibit : -. ScholarBank@NUS Repository.
Abstract: Considering the setting of classical proportional navigation that relies solely on line-of-sight measurements, this paper presents a sliding mode guidance law for the planar homing problem subjected to pure measurement delay. The proposed guidance law is formulated after a previous modified PNG law by replacing the LOS rate σ̇ with the switching control sign(σ̇). A simple LOS rate estimator is introduced. Moreover, a closed-loop filtering architecture is employed to remove chattering. This simulation-based study shows that the proposed guidance law is able to outperform PNG laws in the presence of delay. © 2008 by National University of Singapore.
Source Title: AIAA Guidance, Navigation and Control Conference and Exhibit
URI: http://scholarbank.nus.edu.sg/handle/10635/71797
ISBN: 9781563479458
Appears in Collections:Staff Publications

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