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Predictive terminal guidance with tuning of prediction horizon & constrained control

DSpace at IIT Bombay

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Title Predictive terminal guidance with tuning of prediction horizon & constrained control
 
Creator TALOLE, SE
BANAVAR, RN
 
Subject nonlinear-systems
 
Description Continuous time-predictive control approach is employed to formulate an output tracking nonlinear, optimal, terminal guidance law for re-entry vehicles. The notable features of this formulation are that the system equations are not linearised and the evaluation of the guidance equations does not need the information of vehicle parameters, such as drag and mass. The formulation allows to impose the physical constrains on the control inputs, i.e. on the demanded lateral accelerations through a saturation mapping and the controls are obtained using a fixed point iteration algorithm which converges typically in a few iterations. Further, a simple method of tuning the prediction horizon needed in the guidance equations is presented. Numerical simulations show that the guidance law achieves almost zero terminal errors in all states despite large errors in initial conditions.
 
Publisher DEFENCE SCIENTIFIC INFORMATION DOCUMENTATION CENTRE
 
Date 2011-07-21T08:31:05Z
2011-12-26T12:51:58Z
2011-12-27T05:38:50Z
2011-07-21T08:31:05Z
2011-12-26T12:51:58Z
2011-12-27T05:38:50Z
2000
 
Type Article
 
Identifier DEFENCE SCIENCE JOURNAL, 50(3), 243-253
0011-748X
http://dspace.library.iitb.ac.in/xmlui/handle/10054/5849
http://hdl.handle.net/10054/5849
 
Language en