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Volume 41 Issue 1
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Journal of Beijing University of Aeronautics and Astronautics  > 2015  >  41(1): 160-166.
RAN Huaming, ZHOU Rui, WU Jiang, et al. Trajectory optimization of two aircrafts in collaborative passive target tracking[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 160-166. doi: 10.13700/j.bh.1001-5965.2014.0039(in Chinese)
Citation: RAN Huaming, ZHOU Rui, WU Jiang, et al. Trajectory optimization of two aircrafts in collaborative passive target tracking[J]. Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(1): 160-166. doi: 10.13700/j.bh.1001-5965.2014.0039(in Chinese)
shu

Trajectory optimization of two aircrafts in collaborative passive target tracking

doi: 10.13700/j.bh.1001-5965.2014.0039

  • Science and Technology on Aircraft Control Laboratory, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 19 Jan 2014
  • Publish Date: 20 Jan 2015
    Abstract
  • To solve high accuracy requirement in collaborative passive tracking of two aircrafts, according to the geometric situation of the two aircrafts to the target, the effect of the geometric situation to the passive detection accuracy was analyzed, the formula of position dilution of precision (PDOP) was presented, the optimal geometric configuration of two aircrafts was obtained. A control structure of two aircrafts' collaborative passive target tracking system was presented, extended information filter (EIF) was used to estimate target state, maximizing the information entropy was used as the optimal performance index for trajectory optimization, receding horizon optimization (RHO) was used to control aircrafts' motion in real-time. The simulation results demonstrate that this trajectory optimization algorithm can make aircrafts fly with the trajectory which meet the optimal geometric configuration, illustrate the validity of the optimal geometric configuration based on PDOP, reduce location estimation error of target, and improve the collaborative passive tracking precision of two aircrafts.

     

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