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People living in big cities often suffer from long queuing time waiting for checking out in supermarkets when the crowd density is high. This paper develops QTime, an application to inform queuing time in nearby supermarkets to help people make time-efficient plan about when and which store to go. QTime uses participatory sensing data collected by commodity sensors built into every-day smartphones...
After analyzing the basic principle of sensorless control using extended Kalman filter (EKF) in permanent magnet synchronous motor (PMSM) drive, this paper proposes a novel intelligent sensorless control. Here, fuzzy control is used in EKF and artificial neural network (ANN) is used in speed control, since an artificial neural network based speed controller does not rely on the accurate mathematical...
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