ac motor research papers new 2014




ESTIMATION OF LOOKUP TABLE FOR POPULAR PULSE-WIDTH MODULATION SCHEMES BASED ON VISUAL INSPECTION FOR AC MOTOR DRIVE
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ABSTRACT This research paper presents an estimation technique to build a lookup table to be embedded in a microcontroller for PWM three-phase inverter system. The application of microcontroller for PWM technique allowsreducing power electronic devices switching

AC induction motor control-A neuro-fuzzy approach
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Abstract Induction motors are becoming popular in industrial surroundings due to the operating performance. Various control techniques are available for induction motor control supported by different drives circuits. In the present paper we report an attempt made to

An Accurate Auto-Tuning Procedure for Encoderless AC Motor Drives in Industrial Environments
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ABSTRACT Modern ac motor drives are based on field oriented vector control with feedback and feedforward control units. The feedback control unit for position and speed consists of two cascaded standard PI-controllers. These controllers require information of the position
The application of the motor drive system in electric and hybrid–electric vehicles can lead to a significant increase in electromagnetic compatibility. The AC motor as an important part of motor drive system must be considered. In this paper, a high frequency modelling method

Design of High-power AC Motor Controllers using Sine Wave Pulse Width Modulation
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ABSTRACT General power system supply only provides a fixed voltage and frequency, and its the inverter is mostly used to control AC motor speed with different frequencies. However, it normally requires a rectified DC into AC for the frequency variation. In this study, a digital

TORQUE AND SPEED CONTROL OF AC MOTOR BY SVPWM WITH EKF TECHNIQUE
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ABSTRACT Direct Torque Control is a control technique in AC drive systems to obtain high torque control. The conventional DTC drive contains hysteresis comparators. Utilizing hysteresis comparators in the DTC drives suffer from high torque ripple and variable

Design of Electrical Parameter Measurement System for Three Phase AC Motor Based on STM32
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ABSTRACT Electrical parameter online measurement is used to monitor the working state of AC motor, to prevent the voltage being too low or the load being too large, to protect the motor safely. The paper mainly discusses the configuration and the principle based on
The growth of wind farms has motivated the development of computational and experimental approaches which supplement needs related to teaching and research in the field of engineering. Even though there have already been recognized advances made in the

Introduction to AC Motor Control
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The principles of operation of (AC) motors may be found in many books, including Hindmarsh (1985), Vas (1990), Leonard (2001) and Chiasson (2005). In this section, some basic facts are recalled, focusing on the features that contribute to the success of AC

Speed Control and Power Factor Improvement of a Single Phase AC Motor
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Abstract Low power factor is usually not a big problem in residential homes. It does, however, become a problem in industries where multiple motors are operational. Therefore, there is a dire requirement to correct the power factor in industries. To rectify the issue and

Research and Design of AC Motor Fuzzy Soft-Start Controller
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ABSTRACT According to the characteristics of the ac motor starting process, design a fuzzy soft start controller, realize constant current of ac motor soft start control. Using fuzzy soft start controller uses the two-dimensional structure, current deviation and deviation change rate

Development of Spin Coating System Based on AC Universal Motor for Deposition of Polymer Films
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Abstract In this research work we have developed a spin coating system that has capability of holding wafer size of 1.5 with the help of vacuum pump. A control unit is provided for achieving the spin rate in range of 500-6000 rpm. An ac universal motor was used for

Improved Power Quality AC Drive Feeding Induction Motor
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ABSTRACT This paper deals with the power quality enhancement of induction motor drive used to operate in vector controlled mode. The improved power quality AC drive consists of voltage source converter (VSC), voltage source inverter (VSI) and an intermediate DC bus

Experimental Investigations on PV Powered SVM-DTC Induction Motor without AC Phase Current Sensors.
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ABSTRACT The paper presents a low-cost, phase-current reconstruction algorithm for space vector modulated direct torque controlled induction motor using the information obtained from only one shunt resistor which is in series with low side switches in a conventional
This paper analyses the starting performance of two-leg AC voltage controller-fed three- phase induction motor drive and establishes that optimum value of firing angle combination for the voltage controller depends on the motor parameters. Identically rated machines

AC-DC DC-DC Converters for DC Motor Drives
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ABSTRACT This paper deals with a comprehensive survey on the topic of AC/DC DC/DC converters for DC Motor Drives. A substantial number of different AC/DC and DC/DC topologies appropriate for DC motor drives are presented. This critical literature review

Performance Comparison of Two-leg and Three-leg AC Voltage Controller-Fed Three Phase Induction Motor Drive
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This paper gives the comparison of the starting performance of three phase induction motor fed from three-leg and two-leg ac voltage controller. Optimum firing angles are obtained for both the systems by considering various electrical characteristics like maximum positive

Performance evaluation of membership functions on fuzzy logic controlled AC voltage controller for speed control of induction motor drive
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ABSTRACT The objective of this paper is to investigate the effect of membership functions in the fuzzy control (FC) of an ac voltage controller for speed control of induction motor drive. A Sugeno type FC for closed loop control of induction motor drive fed by ac voltage

Simulation of ac/dc/ac converter for closed loop operation of three phase induction motor
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ABSTRACT The vector control analysis of an induction motor allows the decoupled analysis where the torque and the flux components can be independently controlled (just as in dc motor). This makes the analysis easier than the per phase equivalent circuit. The current

The Speed Control System of AC Permanent Magnet Synchronous Servo Motor Based on Auto-Disturbance Rejection Controller
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A NEW THREE LEVEL AC TO DC CONVERTER FOR DC MOTOR DRIVE
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ABSTRACT A single-phase, three-level, single-stage power-factor corrected AC/DC converter fed Dc motor is presented. That operates with a single controller to regulate the output voltage and the input inductor act as a boost inductor to have a single stage power

DEVELOPMENT OF AN AC FOR PREDICTING THE F ELECTRIC MOTOR F
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Abstract. This paper proposes a numerical method electric motor fixed on a rigid base. A deep literatu aided the development of the proposed approach. T modal parameters used to calibrate the numerical m used to validate the numerical solution. The valida prototypes, in

Analysis Of An Ac-Dc Full-Controlled Converter Supplying Dc Series Motor Parallel With An Inductive RL Load
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ABSTRACT This paper is concerned with the detailed study of performance characteristics of an ac-dc full-controlled converter supplying dc series motor parallel with an inductive RL load. The converter-loads combination is simulated on a digital computer. Different modes

Localised Flux Density Distribution in the Stator Core of 0.5 HP Three Phase AC InductionMotor
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ABSTRACT In this paper, the localised flux density distribution in stator core of three phase AC induction motor will be investigated by using the search coil method. Different induction value within 1T to 1.8 T will be applied to observe the distribution. The OPERA 2D

FIELD ORIENTED CONTROL OF A PERMANENT MAGNET SYNCHRONOUS MOTORUSING SPACE VECTOR MODULATED DIRECT AC-AC MATRIX
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The study designs and constructs a three-phase to three-phase direct AC–AC matrix converter based surface mounted permanent magnet synchronous motor (PMSM) drive system. First, the matrix converter topologies are analyzed and the state-space equations

An improved power quality using multi-pulse AC-DC converters in vector controlled inductionmotor drives
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ABSTRACT Power electronic devices are non-linear loads that create harmonic distortion and can be susceptible to voltage dips if not adequately protected. The non linear nature of these switching devices causes harmonic current injection into the ac mains; there by

Energy Saving of AC Voltage Controller Fed Induction Motor Drives Using Matlab/Simulink
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Abstract This paper describes a MATLAB/Simulink realization of AC Voltage Controller Fed Induction Motor Drives. An attractive approach of RL model of induction motor is proposed. The proposed simulation model is checked by experimental work. Also energy saving is

Fully Digital Permanent Magnet Synchronous Motor AC Servo System Implementation
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ABSTRACT This paper proposed an advanced technology, which based on DSP and FPGA, applied in the fully digital and high-performance permanent magnet synchronous motor (PMSM) AC servo system SVPWM system is simulated and implemented. In the system,

Stepping motor drive system replacing AC electric servo drive in a processing device
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ABSTRACT As a result of dynamic development that takes place in the field of controlling AC motors, designers of machines and various devices usually apply servo drives with induction or synchronic motors, relying both on their remarkable operational characteristics as well

Old papers on ac motor-the best



Control of permanent magnet AC motor drives without a shaft sensor
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ABSTRACT The system studied in this paper is a sensorless control of a permanent magnet synchronous motor (PMSM). Its structure is based on the extended Kalman filter theory using only the measurement of the motor current for the on-line estimation of speed and rotor

The Dynamic Simulation of the Three-Phase Brushless Permanent Magnet AC Motor Drives With LabVIEW
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ABSTRACT In this paper, a mathematical model of the three-phase brushless permanent magnet AC motor drives in abc reference frame is described. A computer simulation of the motor drive is provided which utilised LabVIEW software. The simulation can be

PERFORMANCE EVALUATION OF AC MOTOR DRIVES THROUGH MATRIX CONVERTER-AN INDIRECT SPACE VECTOR MODULATION APPROACH
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ABSTRACT This paper addressed to study about the performance of polyphase AC motor drives fed by a three phase matrix converter through an indirect space vector modulation technique under various load conditions. Invention of direct transfer of Power conversion

3-Phase AC Motor Control with V/Hz Speed Open Loop Using DSP56F80X
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This Application Note describes the design of a 3-phase AC induction motor drive with Volt per Hertz control in Opened Loop (hereinafter called V/Hz OL). It is based on Motorola s 56F80X digital signal processor (DSP) which is dedicated for motor control applications.

Transfer function determination for a PM synchronous AC motor
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ABSTRACT An axial flux permanent magnet ac brushless drive has limited performance, due to non-smooth torque output. Torque ripple in this system is caused by two known sources: current sensor scaling and offset errors, and cogging. A compensation scheme is in place,

GA-Based PIDA Control Design Optimization with an Application to AC Motor Speed Control
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ABSTRACT PIDA controller has been proposed since 1996 as an extension to the conventional PID controller. The additional term A stands for acceleration. With this new term, a closed-loop system can respond faster with less overshoot. Originally, the design

Cogging torque measurement, moment of inertia determination and sensitivity analysis of an axial flux permanent magnet ac motor
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ABSTRACT Many technical applications require a smooth torque. An axial flux permanent magnet (PM) AC motor is used to achieve this with control methods. Required are motor parameters, such as the moment of inertia. This parameter is determined by calculation

AC Motor Speed Control
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An important factor in industrial progress during the past five decades has been the increasing sophistication of factory automation which has improved productivity manyfold. Manufacturing lines typically involve a variety of variable speed motor drives which serve

dSpace platform for speed estimation AC slip-ring motor in crane mechatronic system
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 The future work must be focused on the estimation error in unfavourable operating conditions cancellation (no-load, oversynchronous condition, etc.). Sensorless speed control of slip- ring AC motor based on rotor voltage

Torque Behaviour of 1-Phase Permanent Magnet AC Motor
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ABSTRACT Tbis paper presents a detailed comparative study of two starting and running methods for a single-phase permanent magnet synchronous motor, equipped with a squirrel- cage rotor. The analysis of the motor performance is realized for a pulse width modulated (

A Low Cost Design for Acquiring AC Motor Stator Current
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ABSTRACT. The paper introduces a new design to acquire effective value of ac motor stator current. The design bases on the very low price amplifier to obtain average value of ac motor stator current and by the mathematics transform acquires effective value. According to the

EMC Modeling of AC Motor Drive
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Electromagnetic compatibility (EMC) modeling and design require attention because governments set limits on electromagnetic emissions. Additionally, this work can potentially lower the cost associated with electromagnetic interference (EMI) mitigation and improve

Construction of AC Motor Controllers for NOvA Experiment Upgrades
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ABSTRACT I have been constructing Alternating Current (AC) motor controllers for manipulation of particle beam detectors. The capability and reliability of these motor controllers are essential to the Laboratory s mission of accurate analysis of the particle beam s position.

Realistic Maximum-Power-Point Tracker for Direct Water Pump Systems using AC Motor Drives
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ABSTRACT According to statistics of the World Health Organisation (WHO), 50% of the people in developing countries have no pure drinking water. PV-powered water pump systems can improve peoples living conditions, where power from an utility is not

The Impact of Constraints on Brushless AC Motor Performance
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This paper discusses the problem of a brushless AC motor (BLACM) under vector current control in the presence of voltage and current constraints. The purpose is to investigate and simulate several current control techniques of BLACM based on surface-mounted

Measurementof Heat in the Stator Windings of an Open Loop Controlled Three Phase Induction Motor Using AC Filters
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Modeling and damping of high- frequency leakage currents in PWM inverter-fed AC motor drive systems, IEEE Trans. Ind. Applications.

Analytical Optimization for the Reduction of Torque Ripple in Surface Type Brushless AC Motor
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ABSTRACT An analytical method to optimize the torque performance of permanent magnet brushless AC motors, based on the analytical calculation of the air-gap flux density. From the space harmonic analysis, the flux density, back-EMF and cogging torque can be

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