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RISBilinear Model Predictive Control of Plasma Keyhole Pipe Welding Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Controlled quasikeyhole plasma arc welding process adjusts the amperage of the peak current to establish a keyhole in a desired time. This keyhole establishment time is the major parameter that controls the consistence of ...
Predictive Control for Manual Plasma Arc Pipe Welding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Plasma arc welding (PAW) has several advantages over traditional gas tungsten arc welding (GTAW) process. However, due to its sensitivity to welding parameters, this process has not been widely used in industry, especially ...
Metal Transfer in Double-Electrode Gas Metal Arc Welding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gas metal arc welding (GMAW) is the most widely used process for metal joining because of its high productivity and good quality, but analysis shows that the fundamental characteristic restricts ...
Analysis Developing Mechanism of Highways and Transportation Using the Theory of Increasing Returns to Scale against the Background of MFOZ
Publisher: American Society of Civil Engineers
Abstract: This study aims to analyze the theory mechanism behind MFOZ (main functional areas zone) and investigates MFOZ’s effect on high ways and transportation. This study adopts the classic theory of increasing returns to scale ...
Evaluation of GHG Emission Reduction Potentials of PV System Considering Power Mix Shifts
Publisher: American Society of Civil Engineers
Abstract: Introduction of photovoltaic (PV) systems, also known as solar cell systems, reduces greenhouse gasses (GHGs) emission, by substituting a part of the GHG intensive generation with GHG-free generation during effective ...
Dynamic Model of Consumable Double Electrode Submerged Arc Welding Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Doubleelectrode submerged arc welding (DESAW) is a new variant of the innovative doubleelectrode gas metal arc welding (DEGMAW) process. In order to control this process, its dynamic model needs to be established. To this ...
Dynamic Viscoelastic Property of Hard-Grade Asphalt Mixture
Publisher: American Society of Civil Engineers
Abstract: Four hard-grade asphalt mixtures of two hard binders and two gradations are investigated in terms of their rutting resistance, cracking resistance, and moisture sensitivity. After examining the basic properties of the ...
Performance Evaluation of Hard-Grade Paving Asphalt Mixture
Publisher: American Society of Civil Engineers
Abstract: In this study, a hard-grade paving asphalt with a penetration, of
Reconstruction of Three Dimensional Gas Metal Arc Weld Pool Surface From Reflected Laser Pattern
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A system has been developed to measure the threedimensional weld pool surface geometry in the gas metal arc welding (GMAW) process. It utilizes the specular nature of the weld pool surface by projecting a fiveline laser ...
Heat Transfer, Fluid Flow, and Pressure Measurements Inside a Rotating Two-Pass Duct With Detached 90-Deg Ribs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transient thermochromic liquid crystal thermography, a laser-Doppler velocimeter, and pressure transducers have been used to measure the local heat transfer, velocity, and wall static-pressure ...