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Controlling a Brushless DC Motor in a Shift-by-Wire System
Linköping University, Department of Electrical Engineering.
2003 (English)Independent thesis Basic level (professional degree)Student thesisAlternative title
Styrning av en borstlös DC-motor i ett Shift-by-Wire-system (Swedish)
Abstract [en]

Shift-by-Wire is about replacing the mechanical link between the automatic transmission and the shift lever with an electromechanical system. This will make new safety functions possible and assist the driver in other ways.

To do this, an actuator with a brushless DC motor is built into the transmission. It controls the position of the shift valve, which decides the driving position.

This thesis concerns the controlling of the brushless DC motor. This is done by programming a shift control unit with a Motorola HC12 microcontroller. The performance of the motor is then tested and evaluated.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2003. , 47 p.
LiTH-ISY-Ex, 3517
Keyword [en]
Technology, Brushless DC motor, Shift-by-Wire, Automatic transmission, Hall sensors, Pulse width modulation.
Keyword [sv]
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-2096OAI: diva2:19425
Available from: 2003-12-16 Created: 2003-12-16

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