Method of Estimating Equivalent Mass of Multi-Degree-of-Freedom System

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概要

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• To attain the optimum design of vibration controllers to suppress the many resonance peaks of machine structures, it is necessary to know the equivalent mass at the location at which the controller is mounted. This paper shows two ways of estimating equivalent mass, one is a modal analysis method, and the other is called the mass response method which utilizes the change in natural frequency of a structure when an additional mass is attached. The first method is useful for identifying a modal mass having a physical meaning, while the other method is more suitable for application to experimental analysis. The accuracy of these methods are compared by applying them to three kinds of mechanical structure.

• 一般社団法人日本機械学会の論文

著者

• YAMASHITA Shigeo

  Department of Metabolic Diseases, Faculty of Medicine, University of Tokyo

• Nagamatsu A

  Tokyo Inst. Technology Tokyo Jpn

• Nagamasu Akio

  Tokyo Institute Of Technology

• Nagamatsu Akio

  Department Of Mechanical Engineering Tokyo Institute Of Technology

• Nagamatsu Akio

  Department Of Mechanical Engineering And Science Tokyo Institute Of Technology

• OOKUMA Masaaki

  Tokyo Institute of Technology

• Seto Kazuto

  Department of Mechanical Engineering, National Academy of Defence

• Yamashita Shigeo

  The National Defeuse Academy

• Yamashita Shigeo

  Department Of Mechanical Engineering National Defense Academy

• OOKUMA Masaaki

  Department of Mechanical Engineering, Tokyo Institute of Technology

• SETO Kazuto

  The National Defeuse Academy

• Seto Kazuto

  Department Of Mechanical Engineering College Of Science & Technology Nihon University

• Ookuma Masaaki

  Department Of Mechanical Engineering Tokyo Institute Of Technology

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