نتایج جستجو برای: electrical machine

تعداد نتایج: 452602  

2009
Rebecca J. Passonneau Cynthia Rudin Axinia Radeva Zhi An Liu

This paper illustrates how a combination of information extraction, machine learning, and NLP corpus annotation practice was applied to a problem of ranking vulnerability of structures (service boxes, manholes) in the Manhattan electrical grid. By adapting NLP corpus annotation methods to the task of knowledge transfer from domain experts, we compensated for the lack of operational definitions ...

Journal: :CoRR 2014
Frank C. Hoppensteadt

Frequency and phase of neural activity play important roles in the behaving brain. The emerging understanding of these roles has been informed by the design of analog devices that have been important to neuroscience, among them the neuroanalog computer developed by O. Schmitt in the 1930's. In the 1950's, J. von Neumann, in a search for high performance computing using microwaves, invented a lo...

Journal: :Mech. Translat. & Comp. Linguistics 1967
David B. Orr Victor H. Small

This study used special reading-comprehension tests to compare the speed and accuracy with which the same Russian technical articles in physics, earth sciences, and electrical engineering could be read by technically sophisticated readers when they were presented in English translated from the original Russian by machine only, by machine plus postediting, and by normal manual procedures. Thus, ...

2009
K. Hayasaka

Based on a 670 fb −1 data sample accumulated at the Belle detector, we have looked for a second-class current decays τ → πην and τ → πη (958)ν. First possible indications for the τ → πην decay are attained with a 2.4 significance corresponding to the branching fraction B(τ − → π − ην τ) = (4.4 ± 1.6 ± 0.8) × 10 −5 or B < 7.3 × 10 −5 at 90% confidence level. Also, the upper limit on B(τ − → π − ...

2002
Y. Sakai

We report results of proper-time evolution analyses of B decays at Belle, based on a 29.1 fb −1 data sample recorded at the Υ(4S) resonance. These results include measurements of sin 2φ 1 , the lifetime of B-mesons, and the mass-difference between two mass eigenstates of the B 0-¯ B 0 system (∆m d). ∆m d is measured using three different methods: fully reconstructed hadronic modes, a fully reco...

2011
Shwetak N. Patel Thomas M. Robertson

Activity sensing in the home has a variety of important applications, including healthcare, entertainment, home automation, energy monitoring and post-occupancy research studies. Many existing systems for detecting occupant activity require large numbers of sensors, invasive vision systems, or extensive installation procedures. Disclosed is an approach that uses a single plug-in sensor to detec...

2015
Jose M. Gutierrez-Villalobos Juvenal Rodríguez-Reséndiz Edgar A. Rivas-Araiza Moisés A. Martínez-Hernández

Three-phase induction motor drive requires high accuracy in high performance processes in industrial applications. Field oriented control, which is one of the most employed control schemes for induction motors, bases its function on the electrical parameter estimation coming from the motor. These parameters make an electrical machine driver work improperly, since these electrical parameter valu...

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