Partial Integrated Guidance and Control of Surface-to-Air Interceptors for High Speed Targets

Padhi, Radhakant and Chawla, Charu and Das, Priya G and Venkatesh, Abhirarn (2009) Partial Integrated Guidance and Control of Surface-to-Air Interceptors for High Speed Targets. In: American Control Conference 2009, June 10-12, 2009, Hyatt Regency Riverfront, St. Louis, MO, USA, pp. 4184-4189.

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Abstract

An important limitation of the existing IGC algorithms, is that they do not explicitly exploit the inherent time scale separation that exist in aerospace vehicles between rotational and translational motions and hence can be ineffective. To address this issue, a two-loop partial integrated guidance and control (PIGC) scheme has been proposed in this paper. In this design, the outer loop uses a recently developed, computationally efficient, optimal control formulation named as model predictive static programming. It gives the commanded pitch and yaw rates whereas necessary roll-rate command is generated from a roll-stabilization loop. The inner loop tracks the outer loop commands using the Dynamic inversion philosophy. Uncommonly, Six-Degree of freedom (Six-DOF) model is used directly in both the loops. This intelligent manipulation preserves the inherent time scale separation property between the translational and rotational dynamics, and hence overcomes the deficiency of current IGC designs, while preserving its benefits. Comparative studies of PIGC with one loop IGC and conventional three loop design were carried out for engaging incoming high speed target. Simulation studies demonstrate the usefulness of this method.

Item Type:	Conference Paper
Series.:	PROCEEDINGS OF THE AMERICAN CONTROL CONFERENCE
Publisher:	IEEE
Additional Information:	Copyright 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords:	partial integrated guidance and control; high speed targets; model predictive static programming; dynamic inversion
Department/Centre:	Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited:	08 Jan 2010 08:40
Last Modified:	19 Sep 2010 05:49
URI:	http://eprints.iisc.ac.in/id/eprint/24241

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