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`Source: 2012 Journal Citation Reports®
`(Thomson Reuters, 2013)
`
`Impact Factor: 0.573
`
`Proceedings of the Institution of Mechanical Engineers, Part F:
`Journal of Rail and Rapid Transit
`pif.sagepub.com
`
`doi: 10.1243/PIME_PROC_1995_209_254_02
`Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and
`Rapid Transit January 1995 vol. 209 no. 1 49-59
`Analysis of Modified Railway Passenger
`Truck Designs to Improve Lateral
`Stability/Curving Behaviour Compatibility
`
`S Narayana Swamy, M Tech1
`R V Dukkipati, PhD1
`M O M Osman, PhD1
`
`1 Department of Mechanical Engineering, Concordia University, Montreal,
`Canada
`Abstract
`
`Modified railway passenger truck designs are considered to improve the compatibility
`between dynamic stability and the ability of the vehicle to steer around curves. A
`comparative study on the non-linear steady state curving behaviour of some
`unconventional truck designs is carried out. The study reveals that modified truck
`designs with primary yaw dampers improve the performance. A particular design of
`railway truck in which the rear axle is an independently rotating wheelset and in which
`the primary suspension in the leading axle is different from the trailing axle—known as
`the unsymmetric wheelset and suspension truck—has the potential to achieve overall
`superior performance compared to other truck models considered in this paper, for
`design speeds of around 80 m/s. For the lower design speed of around 60 m/s, a
`conventional truck provided with primary yaw damper achieves adequate performance
`and is recommended for its simpler design features.
`
`railway trucks
`
`suspension design
`
`independently rotating wheelset
`
`yaw damper
`
`Received August 23, 1994.
`Accepted April 11, 1995.
`
`http://pif.sagepub.com/content/209/1/49.abstract
`
`7/27/2014
`
`AVS EXHIBIT 2041
`Toyota Inc. v. American Vehicular Sciences LLC
`IPR2013-00417
`
`
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