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시선좌표계에서의 분리추적필터를 이용한 개선된 입력추정기법
성태경(T.K. Sung),황익호(I.H. Whang),이장규(J. G. Lee),이양원(Y. W. Lee),김경기(K. K. Kim) 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
A practical adaptive tracking filter for a maneuvering target is proposed in this paper by combining a modified input estimation technique with pseudo-residuals and a decoupled tracking filter in line-of-sight Cartesian coordinate system. Since the adaptive tracking filter has decoupled structure and computes maneuver input estimates for each axis separately, it requires much less computations compared with the conventional tracking filter with MIE technique without degrading performance. Also, since pseudo-measurement noises in line-of-sight Cartesian coordinate system are much less correlated compared with those of inertial Cartesian coordinate system, the proposed tracking filter produces less false alarms or miss detections to improve the performance.
김범수(B.S. Kim),한형석(H.S. Han),이장규(J.G. Lee),박성희(S.H. Park),이재명(J.M. Lee),김삼수(S.S. Kim) 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
An integrated guidance scheme for guided weapon system is described in this paper. Against conventional guidance methods, this method combines an autopilot and a guidance law. The controller is designed using LQ regulator whose performace index is different from other optimal guidance laws. Since dynamics of the system is considered in the derivation, the controller performance is improved. By simulation, the suggested method shows better performance in minimum distance sense than conventional guidance schemes such as Bang Bang guidance or Pursuit guidance. Since the suggested method provides smooth rudder deflection in contrast to the conventional method, the load on a energy source of the system can be greatly lessened.