非保守非完整系统的Herglotz型Noether定理
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国家自然科学基金资助项目(12272248,11972241),江苏省研究生科研创新计划资助项目(KYCX22_3251)


Herglotz-Type Noether Theorem for Nonconservative Nonholonomic System
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    摘要:

    研究非保守非完整系统的Herglotz型Noether定理及其逆定理. 首先,将Herglotz变分原理推广到非保守非完整系统,并基于该原理推导出系统的带乘子型运动微分方程. 其次,引入无限小变换,研究Herglotz作用量的不变性,提出并证明非保守非完整系统的Noether定理. 再次,研究了对称性逆问题,给出了Noether逆定理. 最后,以受非保守力的AppellHamel问题为例,介绍Herglotz型Noether定理的应用.

    Abstract:

    The Herglotz-type Noether theorem and its inverse theorem for nonconservative nonholonomic systems are studied. Firstly, the Herglotz variational principle is extended to non-conservative nonholonomic systems, and the differential equation of motion with multipliers is derived based on this principle. Secondly, the infinitesimal transformation is introduced to study the invariance of Lagrange-Herglotz action, and the Noether theorem for non-conservative nonholonomic systems is proposed and proved. Thirdly, the inverse problem of symmetry is studied and Noether’s inverse theorem is given. Finally, taking Appell-Hamel problem subject to non-conservative forces as an example, we introduce the application of Herglotz type Noether theorem.

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董欣畅,张毅.非保守非完整系统的Herglotz型Noether定理[J].动力学与控制学报,2024,22(5):1~7; Dong Xinchang, Zhang Yi. Herglotz-Type Noether Theorem for Nonconservative Nonholonomic System[J]. Journal of Dynamics and Control,2024,22(5):1-7.

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  • 收稿日期:2023-07-04
  • 最后修改日期:2023-09-04
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  • 在线发布日期: 2024-06-18
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