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 |
