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New Formula for Calculating the Vertical Natural Frequency of a Suspension Bridge
Publisher: ASCE
Abstract: Long-span suspension bridges are flexible structures that are easily vibrated by external load changes. Their vibration characteristics are related directly to the safety of the structure. Although the free vibration ...
On Constrained and Energy Efficient Balance Control of a Standing Biped: Experimentation and Stability Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Balancing control is important for biped standing. In spite of large efforts, it is very difficult to design balancing control strategies satisfying three requirements simultaneously: maintaining postural stability, improving ...
Comparison of Four Friction Models: Feature Prediction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we provide not only key knowledge for friction model selection among candidate models but also experimental friction features compared with numerical predictions reproduced by the candidate models. A motordriven ...
Evolution Process of Natural Rock Joint Roughness during Direct Shear Tests
Publisher: American Society of Civil Engineers
Abstract: Surface roughness is one of the most important parameters that have significant influence on the mechanical and hydraulic characteristics of rock joints. To investigate the evolution of surface roughness under normal and ...