An intelligent weight prediction method for dynamic scenes

By using a hierarchical attention mechanism network, the problem of modeling nonlinear correlations between targets in unmanned surface vessel (USV) formation combat scenarios is solved. This achieves efficient and accurate weight prediction, adapts to complex and ever-changing dynamic scenarios, and has good real-time performance and computational efficiency.

CN120805990BActive Publication Date: 2026-02-17SUN YAT SEN UNIV
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Patent Information

Application Number
CN202511059319.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2026-02-17
Estimated Expiration
2045-07-30

AI Technical Summary

Technical Problem

Existing dynamic methods struggle to effectively model nonlinear dependencies and complex relationships between targets in unmanned surface vessel (USV) formation combat scenarios. They also have a strong dependence on training data, limited generalization ability, and are unable to adapt to new environments, failing to meet the requirements of real-time performance and accuracy.

Method used

A hierarchical attention mechanism combining local and global attention networks is adopted. By acquiring unmanned surface vessel (USV) data, the index vectors of each USV are calculated, and attention weights are used for weight prediction. The final weight prediction results are generated by combining a fully connected feedforward layer, and the network parameters are adjusted using a stochastic gradient descent algorithm.

Benefits of technology

It achieves adaptive adjustment of multiple indicator systems in dynamic scenarios, improving robustness and accuracy. The error is less than 10-3, the standard deviation does not exceed 3×10-3, and the single inference time is stable at about 1 millisecond, meeting the requirements of efficient and real-time weight evaluation.

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Abstract

The application belongs to the technical field of unmanned ship data analysis, and discloses an intelligent weight prediction method for dynamic scenes, which comprises the following steps: acquiring unmanned ship data; obtaining index vectors of each unmanned ship according to the unmanned ship data; inputting each index vector into a local attention network to obtain corresponding first attention weights; calculating corresponding local attention aggregation results according to each first attention weight; inputting each local attention aggregation result into a global attention network to obtain corresponding second attention weights; calculating corresponding global attention output results according to each second attention weight; splicing each global attention output result to obtain an output head vector; and inputting the output head vector into a full connection feedforward layer to obtain a weight prediction result. The application can capture the relationship between each parameter in the index vector to match different formation work scenes, and the prediction accuracy of the index weight is significantly improved.
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