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Nonsmooth Dynamics of a Gear–Wheelset System of Railway Vehicles Under Traction/Braking Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gear–wheelset system is a crucial substructure in railway vehicles which affects the operation safety and system reliability, especially in the process of traction and braking conditions. Unlike the general gear transmission ...
Simulation of Random Fields with Trend from Sparse Measurements without Detrending
Publisher: American Society of Civil Engineers
Abstract: Although spatially varying quantities in real life (e.g., mechanical properties of soils) often contain a linear or nonlinear trend, stationary random fields with zero trend are often used to model these quantities ...
Investigation on Impact Response Feature of Railway Vehicles With Wheel Flat Fault Under Variable Speed Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Wheel faults are the main causes of safety issues in railway vehicles. The modeling and analysis of wheel faults is crucial for determining and studying the dynamic characteristics of railway vehicles under variable speed ...
System and Component Level Risk Assessment for SiC MOSFET Based Inverter for Traction Application at High Coolant Temperatures and Off-Road Mission Profile
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Monitoring and predicting temperatures at critical locations of a power electronic system is important for safety, reliability, and efficiency. As the market share of vehicles with electric powertrains continues to increase, ...
Implementing the Analytical Reachable Body Workspace for Calculating the Obstacle-Crossing Ability of a Hexapod Robot
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Calculating the maximum obstacle-crossing ability accurately at the mechanism design stage can better ensure that the manufactured robot prototype meets the predefined indices. The obstacle-crossing task of the legged robot ...
Microstructure and Friction Characteristics of SiC/Ni60 Coatings by Different Directed Energy Deposition Laser Powers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The microstructure and tribological characteristics of SiC/Ni60 composite coatings manufactured using directed energy deposition (DED) technology are investigated. The influence of different laser powers on the composites ...