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This paper presents a self-sensing control for an induction machine over a wide speed range, introducing a method which combines an EMF-based and a saliency-based approach. The major advantage of the proposed method is a simple-to-implement estimator for the entire speed range with low computational effort and an arbitrary high-frequency injection. Furthermore, a novel rotor design of an induction...
This paper presents the design approach of a power train used in an advanced high-lift system for future aircraft. Aircraft applications require an ultra-light and integrated design leading to an electrical machine with a high power to weight ratio of 2.82 kW/kg. To achieve additional high lift during take-off and landing, air is blown out at the back flaps of the aircraft wings using a turbo compressor...
A study of permanent magnet synchronous generator, constructed as a ring-generator, is presented in this paper. With this approach a milestone in reducing weight of wind turbines in high power applications like 10 MW generators can be reached. As proof-of-concept a scaled generator with a rated power of 200 kVA will be realized in a test bench. A distributed control and an active damping of axial...
Electromagnetic microactuators discussed in this paper have been the topic of research during the last decade. Their fabrication is based on batch processes like photolithography and etching of copper and iron, which is deposited on substrates. Resulting from these microfabrication techniques and the small size of motors, the drive system designer faces a very different task when compared to conventional...
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