Abstract
Aimed at the problem of exoatmospheric kinetic kill vehicle( KKV) guidance law design for intercepting targets,a novel missile sliding mode guidance law with nonlinear disturbance observer( NDO)was derived base on collision course. Through steering angle of attack of missile,the direction of velocity of missile always pointed at the expected collision point. Missile could intercept the target with lower overload,faster speed via NDO,which was currently estimating and dynamically compensating to target acceleration.Moreover,comparison to the two interception strategies were obtained with interception trajectories,capture zones and velocity range. Another strategy was the sliding mode guidance law based on finite time convergence which aiming to steering the line of sight rate close to zero. The results show that the validities of the proposed sliding mode guidance law based on collision course in application for kinetic kill vehicle.
Published Version
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