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Research on Error Compensation Methods of Dynamic Gravity Measurement Based on Swarm Cooperation Evolution Strategy

Xinyu Li1, Zhaofa Zhou1, Zhili Zhang1

  • 1College of Missile Engineering, Rocket Force University of Engineering, Xi'an 710025, China.

Entropy (Basel, Switzerland)
|May 26, 2026
PubMed
Summary

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A new Swarm Cooperation Evolution Strategy (SCES) enhances dynamic gravity measurement accuracy by integrating algorithms. This method significantly improves precision and compensation for engineering applications.

Area of Science:

  • Geophysics
  • Engineering
  • Computer Science

Background:

  • Dynamic gravity measurement is vital for engineering but accuracy degrades due to carrier maneuvers.
  • Conventional swarm optimization algorithms struggle with precision, stability, and generalizability in these applications.

Purpose of the Study:

  • To propose a novel Swarm Cooperation Evolution Strategy (SCES) for improved dynamic gravity measurement accuracy.
  • To develop advanced error compensation methodologies using SCES for engineering applications.

Main Methods:

  • Developed and evaluated the Swarm Cooperation Evolution Strategy (SCES) on the CEC2022 benchmark suite.
  • Implemented a polynomial compensation model and a data-driven multi-layer long short-term memory (LSTM) network optimized via neural architecture search (NAS), both guided by SCES.
Keywords:
dynamic error compensationgravity measurementlong short-term memory (LSTM)neural architecture search (NAS)swarm cooperation evolution strategy (SCES)

Related Experiment Videos

  • Introduced a two-stage hybrid strategy combining polynomial and NAS-LSTM models for error compensation.

    • Main Results:

    • SCES demonstrated superior performance with an overall effectiveness score of 0.034 and >95% optimal accessibility.
    • Significant improvements were observed compared to existing fusion-based and single optimization algorithms.
    • The hybrid strategy achieved 0.58 mGal internal coincidence accuracy and up to 91.58% external coincidence accuracy improvement under high maneuverability.

    Conclusions:

    • SCES offers a robust and effective solution for high-precision dynamic gravity measurement.
    • The proposed hybrid compensation strategy significantly enhances accuracy, particularly under challenging maneuver conditions.
    • This research advances dynamic gravity measurement and compensation for critical engineering applications.