CORDIS provides links to public deliverables and publications of HORIZON projects.
Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .
Exploitable results
A market analysis from 1998 verified the expectation, that existing powershift transmissions for agricultural tractors and special trucks will be substituted world-wide within the next decade by Continuously Variable Transmissions (CVT).
-The result of this R&D project is a continuously variable transmission on the basis of hydrostatic-mechanical power splitting with torque connection from zero to maximum speed. The trade name at Steyr-Daimler-Puch is S-Matic. The S-Matic automatically adjusts the operating point of the whole drive line from the engine to the tyres, without having the driver to influence the system. The cartridge includes 4 planetary gear sets, the hydrostatic unit and the electronic transmission control. The research and development was supported substantially by a wide range of new developed simulation tools, for example FEMFAT for fatigue simulation and KULI for cooling systems optimisation.
-The main advantages of S-Matic are a high driving comfort for the user, a continuously variable speed under all conditions, high overall efficiency, low emissions and a market conformity of the price.
-By the end of 1998, 5 S-Matic prototypes are running on test benches. Additionally 7 agricultural tractors and 2 trucks have been equipped with S-Matic at Steyr-Daimler-Puch, at our partners within the consortium and at the potential customers.
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