Now showing items 1-10 of 161
New approach of induction machine drive using an adaptive digital PID controller with gain planning based on artificial neural networks
The present work introduces a new strategy of induction machines speed adjustment using an adaptive PID (Proportional Integral Derivative) digital controller with gain planning based on the artificial neural networks. This ...
Recurrent neural network for induction motor speed estimation in industry applications
Many electronic drivers for the induction motor control are based on sensorless technologies. The proposal of this work Is to present an alternative approach of speed estimation, from transient to steady state, using ...
A high speed 3.3V current mode CMOS comparators with 10-b resolution
This paper presents a high speed current mode CMOS comparator. The comparator was optimized for allows wide range input current 1mA, ±0.5uA resolution and has fast response. This circuit was implemented with 0.8μm CMOS ...
Variable speed refrigeration system with HPF input rectifier stage
This paper is based on the analysis and implementation of a new drive system applied to refrigeration systems, complying with the restrictions imposed by the IEC standards (Harmonic/Flicker/EMI-Electromagnetic Interference ...
Performance evaluation on electronic control systemsfor field sprayers using programmable logic controllers
(Amer Soc Agr Engineers, 2001-01-01)
The aim of this study was to develop a laboratory method for time response evaluation on electronically controlled spray equipment using Programmable Logic Controllers (PLCs). For that purpose, a PLC controlled digital ...
Broiler Response to Different Wind Speeds
Broiler production in Brazil has turned into a very competitive activity in the late years. Constant innovation leads to higher productivity maintaining the same cost of production, which is a desirable situation. Lately ...
Estimation of electrical machine speed using sensorless technology and neural networks
The use of sensorless technologies is an increasing tendency on industrial drivers for electrical machines. The estimation of electrical and mechanical parameters involved with the electrical machine control is used very ...
Robust Speed Tracking Control For The Induction Machine
(IEEE, Piscataway, NJ, United States, 1998)