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RISAn Update of U.S. Temperature Trends
Publisher: American Meteorological Society
Abstract: This note updates the temperature trend study of the contiguous 48 United States by Lund et al. for data observed during the 4-yr period 1997?2000. A parsimonious changepoint parameterization is now used, and the methods ...
Return Levels of Northern Great Plains Snow Water Equivalents
Publisher: American Meteorological Society
Abstract: This paper estimates return levels of extreme snow water equivalents (SWE) in the northern Great Plains region, containing North and South Dakota, Iowa, Minnesota, and Nebraska. The return levels are estimated from ...
Uncertainty and Disturbance Estimator-Based Robust Trajectory Tracking Control for a Quadrotor in a Global Positioning System-Denied Environment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper addresses the problem of autonomous trajectory tracking control for a quadrotor in a global positioning system (GPS)-denied environment using only onboard sensing. To achieve that goal, it requires accurate ...
A Fourier Approach to Kinematic Acquisition of Geometric Constraints of Planar Motion for Practical Mechanism Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper studies the problem of geometric constraint acquisition from a given planar motion task using Fourier descriptor. In the previous work, we established a computational geometric framework for simultaneous type ...
Neutronic and Thermal-Fluidic Analyses for an Additive Manufactured Reactor With SiC Matrix and TRISO Particle Fuel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Additive manufacturing (AM) is a transformational digital manufacturing technology featured with rapidity, customizability, precision, and economy, which is fundamentally altering the way components are designed and ...
A Review and Comparison of Changepoint Detection Techniques for Climate Data
Publisher: American Meteorological Society
Abstract: This review article enumerates, categorizes, and compares many of the methods that have been proposed to detect undocumented changepoints in climate data series. The methods examined include the standard normal homogeneity ...
Changepoint Detection in Periodic and Autocorrelated Time Series
Publisher: American Meteorological Society
Abstract: Undocumented changepoints (inhomogeneities) are ubiquitous features of climatic time series. Level shifts in time series caused by changepoints confound many inference problems and are very important data features. Tests ...
Determination of Shape and Distribution of Abrasive Grains to Reduce Carbon Emissions of Honing Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Due to the increasing concern on environmental sustainability, many efforts have been made to improve the energy efficiency and reduce carbon emissions of manufacturing processes, including abrasive machining processes. ...
Good Practices and Common Pitfalls in Climate Time Series Changepoint Techniques: A Review
Publisher: American Meteorological Society
Variations of Energy Demand With Process Parameters in Cylindrical Drawing of Stainless Steel
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Studies have indicated that reducing the process energy demand is as important as improving the energy conversion efficiency to make manufacturing equipment more energy efficient. However, little work has been done to ...