Shantha Kumar, N and Kashyap, SK and Naidu, VPS and Girija, G (2008) INTERACTING MULTIPLE MODEL SEEKER FILTER FOR TRACKING EVASIVE TARGETS. In: International Conference on Aerospace Science and Technology (INCAST 2008-094), 26-28 Jun 2008, Bangalore, India.

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Seeker filter is an important subsystem in modern homing guidance system of advanced intercepting missiles. Seeker filter design for homing guidance requirements are highly demanding and challenging. Very low filter lag, high noise attenuation are some of the challenges that need to be addressed. This paper presents an interacting multiple model augmented extended Kalman filter (IMM-AEKF) design to operate as seeker filter in close loop homing guidance of an interceptor to track evasive targets. The performance of the seeker filter is verified with six degree of freedom interceptor-target engagement simulation with seeker filter in guidance loop of the interceptor. Different filter performance criteria have been used to verify the performance of the seeker filter. The seeker filter efficiently handles the various seeker noise and provides a smooth estimate of target states to generate guidance command for intercepting missile. The miss distance achieved is within the acceptable limits.

Item Type: Conference or Workshop Item (Paper)
Subjects: ENGINEERING > Communications and Radar
Depositing User: Dr Sudesh Kumar Kashyap
Date Deposited: 30 Jun 2010 04:11
Last Modified: 07 Jul 2010 06:16

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