Institute of Mathematics for Industry

Seminar



List All(770) Today and tomorrow's seminars(1)

Discovery of standing wave separation method inherent in railway track maintenance method and possibility for application to other engineering fields


Hold Date 2017-05-10 16:45~2017-05-10 17:45

Place IMI Auditorium (W1-D-413), West Zone 1, Ito campus, Kyushu University

Object person  

Speaker Gaku EHARA (Design and Development Division Track&Structures Dept. JRWest)

The IMI Colloquium in May
 
Date : Wednesday, 10 May 2017
          16:45-17:45
 
Place : IMI Auditorium (W1-D-413) (4F, West Zone 1, Kyushu University)
 
Speaker : Gaku EHARA, Ph.D. in Engineering, Manager
              (Design and Development Division Track&Structures Dept. JRWest)
 
Title : Discovery of standing wave separation method inherent in railway track maintenance method and possibility for application to other engineering fields
 
Abstract :
Since ancient times, track maintenance work has used a method of measuring the deformation of track geometry with strings and calculating the displacement value for maintenance work.
   Within this method, the existence of a special Fourier transform that separates arbitrary input data into a standing wave has become clear.
   Based on this new finding, it became clear theoretically that the following advantages of the real track maintenance work can be obtained.
 ·  Be able to derive the answer that guarantees the continuity of the track geometry without fail regardless of the measurement section.
 ·  The influence of measurement error should concentrate 95% on the first to fifth standing waves.
 ·  The components of the fluctuation (1/F^2 F:Frequency) remain in the track geometry after maintenance.
  In addition, I would like to examine this possibility for applicability to other engineering fields.
 


IMI Colloquium Report