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PI-control of an Electrically Actuated Throttle
KTH, School of Electrical Engineering (EES), Automatic Control.
2013 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Fast and precise controlled actuators are becoming more and more important in today’s industry. One way of improving the performance of actuators is to go from a pneumatic controlled actuator to an electrically controlled actuator. Electrically controlled actuators are faster, more accurate and have a lower maintenance cost but are more complex and harder to control. In this thesis two methods for controlling an electric actuator is proposed. The actuator is a BLDC driven throttle valve used for controlling the air intake for a diesel engine where a precise amount of air is wanted to maintain optimal combustion in the engine. The proposed control methods are a PI position controller and a cascade controller consisting of three different controllers. In this thesis the model construction and simulation results are presented while hardware implementation and results are presented in another thesis [1]. The results show that the electric controlled throttle meets specific requirements set by Scania for this thesis.

Place, publisher, year, edition, pages
2013. , 44 p.
EES Examensarbete / Master Thesis
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-142847OAI: diva2:704609
Educational program
Master of Science in Engineering - Electrical Engineering
Available from: 2014-03-13 Created: 2014-03-12 Last updated: 2014-03-13Bibliographically approved

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Electrical Engineering, Electronic Engineering, Information Engineering

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