M.Sc. thesis project at Electronics & Software Engineering, Construction, Husqvarna Group



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M.Sc. thesis project at Electronics & Software Engineering, Construction, Husqvarna Group

Our department: Electronics & Software Engineering at Construction, Husqvarna Group are searching for master students to do a thesis project about Temperature estimation.

Thesis project: Temperature estimation
Motor temperature is an important runtime property of an electrical driveline system featuring permanent magnet synchronous motors. Eventually high motor temperatures can permanently damage the magnets and the isolation of the electrical windings. Adding temperature sensors to the rotor is not possible, thus the remaining option is to estimate its temperature on measured motor currents.

The purpose of the thesis project is to Increase the understanding of online temperature estimation for permanent magnet synchronous motors. Based on that propose a method than can be implement in a real time system.

The thesis will include:

  • Conduct testing and evaluation of PMSM-motors and their temperature and electrical characteristics. Based on that knowledge develop an algorithm for estimation of internal motor temperature
  • Implement real time algorithm in C and evaluate its performance
  • Reporting will be through regular meetings and written documentation


Proper area of education: Electrical Engineering or Engineering Physics

How to apply
Please send in your application with CV and cover letter no later than November 21st. Start date of the thesis project is in beginning of 2020, Q1.

For questions regarding the thesis project please contact:
Johan Berg, Manager Software Engineering, johan.berg@husqvarnagroup.com
Victor Johansson, Software Engineer, victor.johansson@husqvarnagroup.com

What happens after you have applied?
When the application date is due, we will review your application carefully to see if your profile matches the requirements of the vacant position. If we believe you are a potential candidate for the role, you will be invited for an initial interview. In preparation for the interview you will receive information about the arrangement as well as other steps in the process, such as second interviews, assessments, references and introduction. If you aren’t chosen to proceed in the process, you will be informed of this at latest when the position has been filled.

About Construction 
Construction, a division of the Husqvarna Group, is a world leader in machinery and diamond tools for the construction and stone industries. The foundation is built on product and technology leadership ensured by high investment levels in user-focused product development to offer professional end-users the most effective and efficient solutions. Products and services are distributed globally in all relevant sales channels. In 2018 revenue was SEK 5.8 billion generating an EBIT of around 12%. In the last year the division has transformed through 4 important acquisitions.

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M.Sc. thesis project at Electronics & Software Engineering, Construction, Husqvarna Group

Husqvarna Construction