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RISThe “α-Invariant”: An Energy-Based Nonlinear Minimal Damping Model for Robotic Joints With Friction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: System identification of the sinusoidal steady-state response of the Phantom Omni using a local linear model revealed that friction has a non-negligible effect on the accuracy of a global linear model, particularly at low ...
Modeling and Simulation of the Transient Behavior of an Industrial Power Plant Gas Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study deals with modeling and simulation of the transient behavior of an Industrial Power Plant Gas Turbine (IPGT). The data used for model setup and validation were taken experimentally during the startup procedure ...
Artificial Neural Network–Based System Identification for a Single Shaft Gas Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During recent decades, artificial intelligence has been employed as a powerful tool for identification of complex industrial systems with nonlinear dynamics, such as gas turbines (GT). In this study, a methodology based ...
Assessment of Fracture Toughness Using Small Punch Tests of Prenotched Specimens
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, line- and ring-notched small punch test (SPT) specimens were studied; a three-dimensional (3D) model of a ring-notched SPT specimen was established using the contour integral method, and the validity of the ...
Assessment of the Reliability of Two-Equation URANS Models in Predicting a Precessing Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A systematic assessment of unsteady Reynolds-averaged Navier–Stokes (URANS) models in predicting the complex flow through a suddenly expanding axisymmetric chamber is reported. Five types of URANS models assessed in the ...
Reliability-Based Truck Weight Regulation of Small- to Medium-Span Bridges
Publisher: American Society of Civil Engineers
Abstract: Truck weight regulations maintain controls on the actual truck-load characteristics and can further affect the serviceability of constructed infrastructures. To investigate the truck weight regulations of small- to medium-span ...
Assessment of the Reliability of Two-Equation URANS Models in Predicting a Precessing Flow
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: A systematic assessment of unsteady Reynolds-averaged Navier–Stokes (URANS) models in predicting the complex flow through a suddenly expanding axisymmetric chamber is reported. Five types of URANS models assessed in the ...
Dynamical Modeling and Control of Modular Snake Robots With Series Elastic Actuators for Pedal Wave Locomotion on Uneven Terrain
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper introduces the equations of motion of modular 2D snake robots moving in vertical plane employing Series Elastic Actuators (SEAs). The kinematics of such 2D modular snake robot is presented in an efficient matrix ...
Molecular Dynamic Simulation of Micro-Structured Diamond Tool in Silicon Carbide Cutting
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Silicon carbide (SiC) is an important material in many industrial applications. However, due to the hardness and brittleness nature, achieving ultraprecision machining of SiC is still challenging. In recent years, function ...
The Topology of a Precessing Flow Within a Suddenly Expanding Axisymmetric Chamber
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A comprehensive study on the flow structure of an ensemble-averaged fluidic precessing jet (FPJ) flow is reported. This study is based on the concepts of critical point theory, previous experimental data, and validated ...