PhD student on drive systems for vehicle applications

Chalmers University of Technology
November 02, 2022
Offerd Salary:Negotiation
Working address:N/A
Contract Type:Other
Working Time:Full time
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We are waiting for a highly motivated researcher (PhD student) to join our team and develop innovative and high-performance drive systems for various applications. We constantly encourage individual growth in open- minded, diversified, collaborative, and positive working environment.

Information about the project and the division At theDepartment of Electrical Engineering, we see the value in all of our co-workers. We know that a variety of personalities and experiences makes the most creative workplaces. We therefore encourage applicants with any genders, backgrounds and abilities to apply for the position. We aim to create a positive impact on the development of society, environmentally, socially and economically.

We at the Division of Electric Power Engineering conducts research within a broad range of topics in electric power technology. Our purpose is to develop interdisciplinary research areas within the university as well as with external partners. Our research is based on a solid theoretical basis and extensive experimental verification in our laboratories as well as in the field. Research activities at the division are organized in two research units: power grid and components and electrical machines and power electronics.

In the research unit on electrical machines and power electronics, we are about 30 persons, of which two third are PhD students and about 10 seniors and postdocs. Our research activities are conducted toward five directions: (1) electrical machines; (2) PE converters; (3) energy storage; (4) charging technology, and (5) propulsion systems.

Job description The research work will be mainly financially supported by an EU Horizon project. The project is called "Integrated HIgh-speed POwer systems for industry and mobile applications (HIPO), which is a Doctoral Network in MSCA program running from 2022 to 2026 in Europe with 6 academic institutions: LUT, KIT, Chalmers, DTU, Aalborg and UNIPI. This doctoral network will educate and train 10 highly skilled doctoral candidates (DCs) and with them create methodology for optimum drive designs in industrial and transportation applications. This is one of two PhD students to be employed at Chalmers for this project. The candidate will get strong guidance from two high-quality supervisors from universities and one guiding expert from electrical industry to get the best understanding on latest industrial aspects. The student will spend short working periods at DTU Denmark and LUT Finland.

Teaching skill training is part of doctoral education at Chalmers. Therefore, teaching tasks are mandatory but vary greatly over the total employment period. Teaching tasks typically are exercise leader and lab assistant for bachelor or master student courses.

Major responsibilities Your research work aims to identify the optimal system designs that both favor drive inverters and motors in terms of efficiency, thermal impacts, costs and overall size. The innovative techniques to be used in the projects include adaptive switching frequency, dv/dt filter, enhancement of winding insulations, and balancing of parallel switches. The loss models and thermal models of high frequency inverters and high-speed motors will be developed and verified experimentally. Fast circuit simulations including switching phenomenon and slow system simulations will be combined to study the behaviors and high-speed drive systems.

Our expectation on your contributions to the research topic and to the team is high. In return, you will receive excellent support from other team members and learn into your role fast. You are also expected to write and publish high quality academic papers based on your findings and research results.

Qualifications - Master's degree or equivalent in electrical engineering, or other majors with relevant courses on electrical machines and electric drive systems, corresponding to at least 240 higher education credits. - According to the program requirement on mobility, candidates must not have resided or carried out their main activity (work, study, etc...) in Sweden for more than 12 months in the 3 years immediately prior to recruitment. - Comprehensive knowledge on power electronics, especially 3-phase inverters and motor control is required. - Design and simulation tools like LT-Spice, PLECS, and Simulink are used for modeling and analysis in prototype development. Therefore, the relevant skills with these or similar tools are required. - Practical experiences on experimental tests of power electronics inverters and drive systems are required. - Knowledge and experiences on electrical machines, rotor dynamics, and system simulation are meritorious. - Relevant industrial experiences are appreciated. - Some work will be conducted together with other colleagues and industrial partners. The spirit and personal skill for collaboration are highly appreciated. Contract terms Full-time temporary employment. The position will be 4 years plus extension based on teaching involvement.

We offer Chalmers offers a cultivating and inspiring working environment in the coastal city of Gothenburg. Read more about working at Chalmers and our benefits for employees.

Chalmers aims to actively improve our gender balance. We work broadly with equality projects, for example the GENIE Initiative on gender equality for excellence. Equality and diversity are substantial foundations in all activities at Chalmers.

Application procedure The application should be marked with Ref 20220442 and written in English. The application should be sent electronically and be attached as PDF-files, as below. Maximum size for each file is 40 MB. Please note that the system does not support Zip files.

CV: (Please name the document: CV, Family name, Ref. number) • CV • Other, for example previous employments or leadership qualifications and positions of trust. • Two references that we can contact.

Personal letter: (Please name the document as: Personal letter, Family name, Ref. number) 1-3 pages where you: • Introduce yourself • Describe your previous experience of relevance for the position (e.g. education, thesis work and, if applicable, any other research activities) • Describe your future goals and future research focus

Other documents: • Copies of bachelor and/or master's thesis. • Attested copies and transcripts of completed education, grades and other certificates, e.g. TOEFL test results.

Use the button at the foot of the page to reach the application form.

Application deadline: November 2, 2022.

For questions, please contact: Prof. Yujing Liu, Head of Unit Electrical Machines and Power Electronics, Email: [email protected] Phone: +46317721660

Chalmers declines to consider all offers of further announcement publishing or other types of support for the recruiting process in connection with this position.

Chalmers University of Technology conducts research and education in engineering sciences, architecture, technology-related mathematical sciences, natural and nautical sciences, working in close collaboration with industry and society. The strategy for scientific excellence focuses on our six Areas of Advance; Energy, Health Engineering, Information and Communication Technology, Materials Science, Production and Transport. The aim is to make an active contribution to a sustainable future using the basic sciences as a foundation and innovation and entrepreneurship as the central driving forces. Chalmers has around 11,000 students and 3,000 employees. New knowledge and improved technology have characterised Chalmers since its foundation in 1829, completely in accordance with the will of William Chalmers and his motto: Avancez!

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