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RISRecursive Parameter Estimation for ARMA Simulations
Publisher: American Society of Civil Engineers
Abstract: The parameter estimation algorithms for the autoregressive moving average (ARMA) simulation of multivariate random processes is considered. The recursive procedure for estimating the parameters of multivariate AR models ...
Blade Design of Axial-Flow Compressors by the Method of Optimal Control Theory—Application of Pontryagin’s Maximum Principles, a Sample Calculation and Its Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Using the continual transformation technique [3] and the augmented penalty function method, the typical optimal control problem with various constraints proposed in the paper [2] has been converted ...
Blade Design of Axial-Flow Compressors by the Method of Optimal Control Theory—Physical Model and Mathematical Expression
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the design of compressor blades we put forward an optimization flow-type problem which enables the designers to consider the optimization of specified performance index of the flow-type ...
One to One Nonlinear Internal Resonance of Sensor Diaphragm Under Initial Tension
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, investigations into the nonlinear asymmetric vibrations of a pressure sensor diaphragm under initial tension are presented. A comprehensive mechanics model based on a plate with inplane tension is presented ...
Some Improvements on a General Particle Filter Based Bayesian Approach for Extracting Bearing Fault Features
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In our previous work, a general particle filter based Bayesian method was proposed to derive the graphical relationship between wavelet parameters, including center frequency and bandwidth, and to posteriorly find optimal ...
The Use of Millimeter Doppler Radar Echoes to Estimate Vertical Air Velocities in the Fair-Weather Convective Boundary Layer
Publisher: American Meteorological Society
Abstract: Vertical velocity characteristics of the optically clear convective boundary layer (CBL) are examined by means of profiling airborne radar data collected in the central Great Plains during the International H2O Project, ...
Finescale Vertical Structure and Dynamics of Some Dryline Boundaries Observed in IHOP
Publisher: American Meteorological Society
Abstract: Several radar fine lines, all with a humidity contrast, were sampled in the central Great Plains during the 2002 International H2O Project (IHOP). This study primarily uses aircraft and airborne millimeter-wave radar ...
Vertical Effects of Large Cable-Stayed Bridges
Publisher: American Society of Civil Engineers
Abstract: Vertical effects significantly affect the design and static analysis of large cable-stayed bridges. In the design of large cable-stayed bridges, the impact of cable sag must be considered. Generally, the Ernst equation is ...
Risk Analysis for the Urban Buried Gas Pipeline With Fuzzy Comprehensive Assessment Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on the statistical analysis from a great deal of failure cases, generally, the failure causes of buried pipeline can be classified into four factors, namely, third-party damage, erosion–corrosion ...
Kuroshio Path Variations South of Japan: Bimodality as a Self-Sustained Internal Oscillation
Publisher: American Meteorological Society
Abstract: In the two decades following 1975, the Kuroshio path south of Japan was observed to oscillate interannually between a straight path state and a meandering state. This bimodal condition is in sharp contrast to the decade ...