Conference Paper

A new nonlinear guidance law formulation for proportional navigation guidance

DOI: 10.1109/VSS.2012.6163500 Conference: 12th International Workshop on Variable Structure Systems (VSS), 2012, At Mumbai

ABSTRACT In this paper, a variable structure control technique using simple adaptation law for upper bounds on norm of uncertainties for a non linear proportional navigation guidance law is proposed. The basic system of non linear equations for proportional navigation guidance are presented as a control problem. The target acceleration is considered as an unknown quantity. A variable structure adaptive control law with mismatched uncertainties is designed. The stability of the proposed controller is then established using Lyapunov function. Simulations are carried out to prove the effectiveness of the new control law under various target maneuvering conditions.

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