Search model based on Kalman Filter and Monte Carlo simulation
Jinhan Liu1, Yujing Li1, Xuhua Liu1
1College of Science, China Agricultural University, Beijing, Beijing, China.
Plos One
|February 13, 2026
Summary
This study introduces a Kalman filter model and Monte Carlo simulation for predicting submersible locations during search and rescue operations. The method enhances search efficiency by calculating probable areas and deployment points for missing submersibles.
Area of Science:
- Marine robotics and autonomous systems
- Search and rescue technologies
- Oceanographic modeling
Background:
- Locating distressed submersibles is challenging due to dynamic marine environments.
- Accurate prediction of submersible location is crucial for effective search and rescue (SAR) operations.
- Existing methods may lack the precision needed for complex underwater scenarios.
Purpose of the Study:
- To develop an advanced method for predicting the location of faulty or missing submersibles.
- To provide robust information support for SAR missions using predictive modeling.
- To improve the probability of successfully locating submersibles in distress.
Main Methods:
- Utilized the HYCOM model for simulating marine environments.
- Applied the Kalman filter model for real-time submersible position prediction.
- Employed Monte Carlo simulations to analyze probability distributions of submersible location post-fault.
- Introduced a nearest neighbor correlation algorithm for multi-target tracking.
Main Results:
- Quantitatively determined the minimum plane projection area for initial search deployment.
- Analyzed the probability of submersible detection over time and with cumulative search efforts.
- Demonstrated the advancement of the proposed method through comparative analysis.
- Successfully predicted the motion of multiple submersibles within the same area.
Conclusions:
- The proposed Kalman filter and Monte Carlo simulation approach significantly enhances submersible search and rescue efficiency.
- The method provides a reliable framework for predicting submersible locations and optimizing search strategies.
- Integration of nearest neighbor correlation algorithm improves multi-submersible tracking capabilities.
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