Autotuning Gradient Amplifier for high field MRI Systems (Eindhoven)

Category:                             Internship
Education level:                   MSc Electrical Engineering

Prodrive Technologies is a developer and manufacturer of world-class electronics. It comprises over 1100 employees and is one of the fastest growing companies in Europe. Our organization is mostly based on two groups: Development and Operations. The Development department is oriented at developing first-class electronic, mechanic and software solutions. The operations department is responsible for production, assembly, testing and life-cycle-management of electronic products and systems in the range of 1 to more than a million pieces per year.

Prodrive Technologies has developed a series of gradient amplifiers that is being used in 3 axis gradient systems for MRI scanners. The gradient amplifier generates the current through the gradient coils and therefore consists of 3 amplifier modules that share a common power supply. In order to have fast and large enough variation in the field, high voltage and high current is required (e.g. 2100V, 1150A for NG2200). Accuracy, reliability and lifetime are very important for gradient amplifiers.

Tuning gradient amplifiers is a manual, time-consuming complex process. You, as a student, will design software to automate the process for tuning the NG amplifiers. The software will analyze the data from the built-in spectrometer and oscilloscope (e.g. bandwidth, gain/phase margin, overshoot, settling time etc.). Based on this data the software will adjust the controller parameters until the amplifier is tuned according to its specifications. The functionality will be added to the “NG Tool Suite” and can be used by Customers to tune the NG Gradient Amplifiers. Prodrive Technologies provides test facilities for this project and the gradient amplifier development team is available for support and reviews.

Are you interested in this assignment? Check this presentation for more information and images.


  • Algorithm to automate the tuning process
  • Implementation of the algorithm in software
  • Verification of the autotuning by tests on the actual system

Important note: all our graduation assignments are dependent on time. Please see them as an example of the many great things you can do at Prodrive Technologies. If you have the same passion for technology as we do, we always have an assignment for you!

Your benefits

When you are able to prove that you are the perfect fit for our job, you will be rewarded in many ways: you will get the chance to develop yourself as a person, gain extensive knowledge and develop your career in multiple directions. Besides that, you will – naturally – be offered a market competitive salary and outstanding secondary conditions. Your salary growth is in line with your own professional development so it can grow fast and you will even get the opportunity to become a shareholder. All this at an employer that has achieved an average annual growth of 25% over the last 20 years!


There are only few companies in the world of technology which stand out. According to our customers Prodrive Technologies is one of them. Our company was founded in 1993 by technical professionals from the Eindhoven University of Technology. Since then every year Prodrive Technologies has shown a steep growth rate due to a very successful business concept in a young and dynamic organization (average age 28 years). Currently the total Prodrive Technologies organization consists of over 1.100 (900 FTE) employees which are highly skilled, highly motivated and focused on results.

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