Results 21 to 30 of about 1,461,299 (208)
Research on the mechanism and measures of riding comfort deterioration in a low floor tram [PDF]
Scientific ReportsWith the global widespread preference for low-floor trams, the expectation for tram riding comfort has been increasingly heightened. This paper identifies an abnormal riding comfort problem (ARCP, characterized by an excessive and W-shaped distribution ...
Huansheng Wang +5 more
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Development of Test Stand Prototype for Rail Vehicles Brake Components Testing
Communications, 2014 The paper deals with the new RAILBCOT test stand building reasons explanation. A project features definition is described. There is possible to perform the railway wheel tread profiles wear research under the rail vehicle in operation conditions ...
Juraj Gerlici +2 more
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RESEARCH ON OPTIMIZATION OF HEAVY LOAD RAILWAY RAIL GRINDING PROFILE BASED ON ABRASION CONTROL
Jixie qiangdu, 2020 Wa-ri heavy load railway is taken as the research object in the paper,the rail profiles are observed before and after grinding. Based on the wheel/rail contact wear theory and the finite element model of high-speed wheel/rail steady rolling contact ...
YANG YiHang, LIU XueShen, LIU JiHua
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Study on Key Factors on Ride Comfort of Low-floor Light Rail Transit [PDF]
E3S Web of ConferencesIn order to meet the public’s demand for higher and higher comfort level of low-floor trams, this paper analyzes the influence on comfort level from four aspects: equivalent conicity, hinge arrangement position, suspension parameters and track geometry ...
Qiang Feng, Wu Na
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Wheelset/Rail Geometric Characteristics Assessment with Regard to Wheelset Rolling
Communications, 2005 The geometric relation between a wheelset and a rail is assessed with the help of geometric characteristics. Geometric characteristics are: equivalent conicity function, delta r function placement of contact points of a wheelset and a rail, tangent gamma
Juraj Gerlici, Tomas Lack
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Proceeding of scientific-expert Conference on Railway Railcon '24 - zbornik radovaThe paper provides a general survey of methods for equivalent conicity assessment. Different aspects of interest are addressed: type tests of new rail vehicles, acceptance of new railway tracks, as well as vehicles and infrastructure in-service. The paper discusses the procedure if the ride instability appears in service.
Goran Simić +3 more
openaire +3 more sources
Study on the Equivalent Conicity of Train Wheelset Based on Image Process
机车电传动, 2018 A system of automatic wheelset tread detection and equivalent conicity calculation based on binocular vision system was proposed, which used laser light source to obtain the tread image of the repaired wheel with the CCD camera.
WU Zaixin, BAO Zhengwei, WU Yongwei
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Wheel-rail Contact Relation Based on Different Wheel Diameter
机车电传动, 2016 Aim at the wheel diameter difference problem, influence of wheel diameter on wheel-rail contact geometrical relationship, contact spot, the maximum contact stress, creepage, vehicle stability and wheel-rail abrasion was researched.
ZHANG Maosong, LI Fu, YANG Yang
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Hunting stability control of high-speed bogie based on active yaw damper
Journal of Low Frequency Noise, Vibration and Active ControlHunting stability is an inherent property of railway vehicles that determines the operational speed. This paper establishes a half-vehicle model with nonlinear wheel/rail equivalent conicity and interactive forces.
Rancheng Mao +3 more
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Test Study on Carbody Abnormal Vibration of High-speed EMUs
机车电传动, 2014 Carbody abnormal vibration analysis of a high-speed EMUs was researched, mainly containing the wheel tread measurements,carbody vibration on-line test, turn around running and vibration compared before and after repairing profile. The results showed that
WU Hui-chao, XU Yun, SHI Jun-jie
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