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HYPSTAIR (2013-2016)

 TITLE Development and validation of hybrid propulsion system components and sub-systems for electrical aircraft
 CONTRACTING AUTHORITYEuropean Commission: 7th Framework Programme
 PROJECT LEADERdr. Stane Božičnik
 TIME FRAME01. 09. 2013 - 29. 02. 2016
 PROJECT COORDINATORPipistrel (Slovenia)

Siemens AG (Germany)
Univerza v Mariboru (Slovenia)
University of Pisa (Italy)
MBVision (Italy)


ProjectLogoThe HYPSTAIR project concerns the design of components of a serial hybrid propulsion system for small aircraft. A serial hybrid aircraft concept currently represents the best efficiency versus range compromise in the light aviation segment. It can be considered as an electrically powered aircraft, with an on board generator used for extending the range when necessary. Limitations of current electric energy storage technology make an electric-only propulsion system as yet unsuitable for long range flying, therefore an on board ICE generator provides a weight efficient, if somewhat less energy efficient, power generation solution.

The project will involve conceptual design of the hybrid propulsion system components, namely the generator, motor, inverter, batteries and control unit. The components will be sized and designed by considering the performance and energy efficiency of the complete airframe-propulsion system, and will be tested in a laboratory environment. A dedicated human-machine interface will be designed that will allow simple operation of a complex hybrid system. Together with the reliability of electrical motors and the use of dual energy sources, safety of flying as provided by a system built upon these components will be improved.

All components will be designed in a way that they will meet the relevant safety and certification standards. As there currently no regulations for aviation hybrid drive systems exist, defining these in collaboration with the authorities will be an important contribution of the project, paving the way for hybrid and electric technologies to be introduced to the market. These efforts will help create a competitive supply chain for hybrid drive components and reduce the time to market of such innovations.

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