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Discrete mission planning algorithm for air-sea integrated search model.

Yixiong Yu1

  • 1School of Aeronautic Science and Engineering, Beihang University, Beijing, 100083, China. yuyixiong@buaa.edu.cn.

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Optimizing maritime search and rescue (MSAR) operations, this study introduces a new model for air-sea integrated search. The enhanced algorithm significantly improves the accuracy of search time and area calculations, aiding decision-making.

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Area of Science:

  • Maritime Search and Rescue
  • Operations Research
  • Aerospace Engineering

Background:

  • Maritime search and rescue (MSAR) operations face challenges in optimizing search efforts.
  • Helicopters are crucial for maritime search due to their maneuverability and hovering capabilities.
  • Selecting optimal search effort for air-sea integrated search is a key concern for MSAR departments.

Purpose of the Study:

  • To develop a global optimization model for air-sea integrated search with quantitative constraints.
  • To minimize search time as a single-objective optimization problem.
  • To improve the accuracy of search time and area calculations in MSAR.

Main Methods:

  • Analysis of maritime search requirements.
  • Development of a global optimization model for vessels and aircraft.
  • Application of the improved Dinkelbach algorithm for continuous programming.
  • Utilization of a discrete mission planning algorithm for enhanced accuracy.

Main Results:

  • Errors in calculating search time decreased from 12-18 minutes to 36 seconds.
  • Errors in calculating search area decreased from 76.5 to 0.45 square nautical miles.
  • The discrete mission planning algorithm demonstrated significant improvements in calculation accuracy.

Conclusions:

  • The developed model and algorithms provide a more accurate approach to air-sea integrated search planning.
  • The discrete mission planning algorithm offers better guidance for MSAR departments in selecting optimal search schemes.
  • This research contributes to enhancing the efficiency and effectiveness of maritime search and rescue operations.