Velocity-dependent symmetries and non-Noether conserved quantities of electromechanical systems

• 作 者: FU JingLi CHEN BenYong FU Hao
• 机 构: InstituteofMathematicalPhysics,FacultyofMechanicalEngineering&,Automation,ChinaJingyeEngineeringC
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2011年2期
• 关键词: 非NOETHER守恒量 机电系统 对称性 MAXWELL方程组 速度 LAGRANGE 离散变量 广义坐标 velocity-dependent symmetr
• 基金项目: This work was supported by the National Natural Science Formulation of China （Grant Nos. 10672143 and 11072218）

The theory of velocity-dependent symmetries(or Lie symmetry) and non-Noether conserved quantities are presented corresponding to both the continuous and discrete electromechanical systems.Firstly,based on the invariance of Lagrange-Maxwell equations under