Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Yu De Xu"'
Autor:
Jia Yuan Tao, Yu De Xu
Publikováno v:
Applied Mechanics and Materials. 624:613-616
To solve the problem that there is vertical track profile irregularity with long wavelength and large amplitude a method of adjustment based on cubic spline interpolation was proposed in this paper. The key step of the method is to set up reference s
Publikováno v:
Advanced Materials Research. :530-533
In order to realize continuous detection of rail short wavelength irregularities and improve its restoration precision, an algorithm based on digital inverse filter technology is derived and presented. The inverse filter has been realized by means of
Autor:
Chun Yan Zhong, Yu De Xu
Publikováno v:
Advanced Materials Research. :1705-1710
Track irregularity is objective existence, it cant be eliminated. But, we can formulate reasonable repair and maintenance plans to increase the efficiency of track maintenance and ensure safety, if the prediction of track irregularity is effective. I
Publikováno v:
Advanced Materials Research. :607-610
A vehicle-rail dynamic model is established and the calculated results are verified with trace method. And under the conditions of a same curve section, simulations are made on the contact position of groove rail and standard rail. Variation of conta
Publikováno v:
Advanced Materials Research. :660-663
The paper tests the rail profiles of Shanghai-Nanjing PDL after its rail pre-grinding. The grinding values are counted, which shows that the grinding mainly occurs on the inner side of rail top, ranging from 0 to 1.26mm. Wheel-Rail Contact Geometry i
Publikováno v:
Advanced Materials Research. :655-659
The paper has carried out continued tests on a curve of a heavy haul railway in China for its rail profiles. Based on the data, the paper has counted the development of the rail profile wear, and then analyses the influence of wheel-rail contact geom
Publikováno v:
Applied Mechanics and Materials. :1640-1644
In order to realize continuous detection of rail short wavelength irregularity and improve its detection precision, a new four-point method based on chord reference method is derived and presented. Then a simulation waveform consisting of 10 random s
Publikováno v:
Applied Mechanics and Materials. :846-850
With the increase in rail inspection technology, the whole rail profile can be measured by rail inspection cars or some typical static measurement instruments. Based on a large number of practical rail profile measurements, a whole rail profile auto-