Essays about: "sensorless speed control"
Showing result 6 - 10 of 17 essays containing the words sensorless speed control.
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6. CURRENT OVERSAMPLING ANALYSIS FOR ADVANCED CONTROL OF ELECTRIC AC DRIVES
University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)Abstract : The main purpose of this thesis is to develop a sensorless control for a synchronous reluctance motor by using the slope measurement of the current ripple introduced by the Space Vector Modulation.The position estimation is performed at each Space Vector Pulse Width Modulation period and it relies on the estimation of current derivatives. READ MORE
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7. Evaluation of Sensor Solutions & Motor Speed Control Methods for BLDCM/PMSM in Aerospace Applications
University essay from Luleå tekniska universitet/RymdteknikAbstract : The goal of this thesis was to evaluate sensors and motor speed control methods for BLDC/PMSM motors in Aerospace applications. The sensors and methods were evaluated by considering accuracy, robustness, cost, development gain and parameter sensitivity. READ MORE
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8. Sensorless Control of a Hybrid Stepper Motor
University essay from Linköpings universitet/FordonssystemAbstract : Electrical drives are widely used in today’s society. They can be found in bothhousehold products and in the industry. One application where electrical drivesare used is in robots for mowing lawns. In the studied robots the motors in theelectrical drives used for propulsion are Brush Less Direct Current motors, BLDCmotors. READ MORE
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9. Estimation and Compensation of Load-Dependent Position Error in a Hybrid Stepper Motor
University essay from Linköpings universitet/ReglerteknikAbstract : Hybrid stepper motors are a common type of electric motor used throughout industry thanks to its low-cost, high torque at low speed and open loop positioning capabilities. However, a closed loop control is often required for industrial applications with high precision requirements. READ MORE
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10. Sensorless Control of Brushless DC Motor in Hydraulic Application
University essay from Lunds universitet/Institutionen för reglerteknikAbstract : In this master thesis we have studied the possibilities of implementing and controlling the speed of a brushless DC motor in an hydraulic application developed by BorgWarner TorqTransfer Systems AB. The hydraulic application is a coupling that give vehicles intelligent all-wheel drive. READ MORE