Journal of Advanced Navigation Technology (한국항행학회논문지)

The Korean Navigation Institute (한국항행학회)
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A Multi Radar Fusion Algorithm for Reliable Maneuvering Target Tracking

신뢰성 있는 기동 항적 추적을 위한 다중 레이더 융합 알고리즘

  • Received : 2011.06.16
  • Accepted : 2011.08.30
  • Published : 2011.08.31
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Abstract

Data Fusion algorithm is essential in Target Detection using radar, and it has more reliability. In this paper, Multi Radar Fusion algorithm using IMM(Interacting Multiple Model) filter is suggested. This well-known IMM filter has better performance than Kalman filter has. In this simulation, Distributed Data Fusion process was applied, and three sub-filters and one main filter were employed. In addition, this simulation was evaluated by virtual radar data which include constant velocity, constant accelerate, turn rate. The result of an evaluation shows better performance in the maneuvering section of aircraft.

레이더를 이용한 항적 융합 알고리즘은 반드시 필요하며, 이를 통해서 높은 신뢰성을 확보할 수 있다. 본 논문에서는 칼만필터 보다 성능이 좋다고 알려진 IMM(Interacting Multiple Model) 필터를 이용하여 다중 레이더 융합 알고리즘을 제안하였다. 분산형 융합 방식을 적용하였고, 부필터 3개, 주필터 1개를 이용하였다. 성능분석은 등속운동, 가속운동, 선회 등 항공기 기동을 묘사한 가상의 레이더 데이터를 이용하여 분석하였다. 성능분석 결과, 항공기가 기동하는 구간에서도 좋은 추적 성능을 보였다.

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References

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