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Controller-Inverter for Sensorless Permanent Magnet Synchronous Motors: Application in Onboard Electric Powertrain for Uphill Propulsion in Downhill Mountain Biking
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis demonstrates a practical implementation of a sensorless permanent magnet synchronousmotor (PMSM) drive for vehicle propulsion. The main design parameters and overall properties of themotor drive are derived for the case of an on-board electric powertrain as a substitute to the lift shuttle indownhill (DH) mountain biking.The theory behind field oriented control (FOC) for sensorless PMSMs is analyzed in some detail.Controller-inverter hardware and software are designed and prototyped in accordance with the deriveddesign parameters. Initial tuning and testing in a test bench environment is described. The powertrain isfinally installed on a test bike and tested on an incline. It is found that the performance of the controllerinvertercomplies with the target design parameters.

Place, publisher, year, edition, pages
2012. , 55 p.
EES Examensarbete / Master Thesis
Keyword [en]
field oriented control, permanent magnet synchronous motor, sensorless control, electric vehicle
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-105483OAI: diva2:571104
Educational program
Master of Science - Electric Power Engineering
Available from: 2012-11-21 Created: 2012-11-21 Last updated: 2012-11-21Bibliographically approved

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Electrical Energy Conversion
Electrical Engineering, Electronic Engineering, Information Engineering

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