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<p>The traditional dynamic modeling method is complicated when dealing with multiple physical fields and a large number of identical components. A modular modeling method based on vector bond graph is proposed for multi-body systems containing a large number of identical components. The method has a unique advantage in the face of a large number of components, and is suitable for multi-body system modeling involving multiple physical fields. The rigid body and general constraint vector bond graph modules are established, and the state equations of the corresponding modules are derived. Based on this, the dynamic model of the chain gun is established, and the dynamic response of the chain gun under different firing frequencies is obtained. The reliability of the method is verified by comparing with the experimental data. Since the submodule model is universal, this method can be widely used in the dynamic modeling of multi-body systems.</p>

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Research on dynamic characteristics of chain gun based on modular modeling method of vector bond graph

  • 期刊论文

  • 发表日期：

    2025年5月31日

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  • Zilong Liu,
  • Fu He,
  • Jinsong Dai,
  • Yunfeng Gao

摘要

The traditional dynamic modeling method is complicated when dealing with multiple physical fields and a large number of identical components. A modular modeling method based on vector bond graph is proposed for multi-body systems containing a large number of identical components. The method has a unique advantage in the face of a large number of components, and is suitable for multi-body system modeling involving multiple physical fields. The rigid body and general constraint vector bond graph modules are established, and the state equations of the corresponding modules are derived. Based on this, the dynamic model of the chain gun is established, and the dynamic response of the chain gun under different firing frequencies is obtained. The reliability of the method is verified by comparing with the experimental data. Since the submodule model is universal, this method can be widely used in the dynamic modeling of multi-body systems.