From the 23rd of February until the 7th of March the Nordic World Ski Championships 2021 will take place in Oberstdorf. First class ski sport demands first class snow preparation: A job for the diesel electric PistenBully 600E+. With automation and drive technology from STW, the PistenBully performs its job perfectly.

At the end of February, in the Bavarian holiday region Allgäu, the best ski jumpers, cross-country skiers and Nordic combined athletes will compete to decide the world’s best. Following on from 1987 and 2005 Oberstdorf, for several weeks, will again be the center of the winter sport world. The PistenBully snow groomers from Kässbohrer will ensure perfect competition conditions on the cross-country ski trails. One machine, in a fleet of the otherwise red hydrostatically driven tracked vehicles, catches the eye: the green PistenBully 600E+. The 600E+ brings improved performance and sustainability, thanks to a diesel-electric hybrid drive with intelligent automation technology.

The Kaufbeuren company STW developed the control and sensing technology, and the electric drives, of the green PistenBully.  The main vehicle and the drive control are built around components from the ESX family of programmable control units from the local specialist for mobile automation.

The intelligent machine control calculates, for example, the optimal engine operating point based on the accelerator position, the slope being driven, the speed and the current milling requirement. The diesel engine can then deliver the required power with the optimal fuel efficiently. The engine is operated consistently at a lower speed and a higher load. The PistenBully and STW engineering teams developed this functionality together, as part of a unique partnership.

Along with the drive, the implements and assistance systems of the snow groomer, such as the snow shield and the snow mill, are also intelligently controlled. The operator, for example, is assisted by a rear implement mount that steers independently and can automatically compensate for a steep transverse slope. With such technology, the Nordic Ski World Championships organizers are optimally equipped to provide perfectly prepared trails, where the athletes will be able to perform at their best.

Further, the operators, owners and the manufacturer of the PistenBully have the advantage of the vehicle being connected to the cloud via the STW TCG communication module. With this robust communication solution, the PistenBully can be accessed remotely, allowing software updates and providing access to live operating and position data. With appropriate backend software, an efficient snow and fleet management is possible.

The powerMELA electric motors on the 600E+ ensure dynamic propulsion, smoother running with reduced fuel consumption and, of course, lower CO2 and noise emissions. This means the cross-country ski trails and race tracks for the elite Skiers in Oberstdorf are being prepared in a more sustainable way.

As a final word, it can be said that the PistenBully 600E+ is a machine with “wow” factor, and by providing excellent drive and automation components, STW makes a significant contribution to the impressive driving and work performance of the green snow groomer.

Über die (STW) Sensor-Technik Wiedemann GmbH

As an internationally-active company with its headquarters in Kaufbeuren, we have stood for the digitalization, automation and electrification of mobile machines for 35 years now. With our generic or customer-specific products, systems and solutions, which are developed and produced in Germany, we support our customers in their goal to make their machines the best in the world through innovative technology.

Supplemented by partner products and accompanied by our training, support and system teams, we assist medium-sized companies and large OEMs in increasing the performance and efficiency and also the safety of their machines. Through the communication between the machines and the networking with cloud platforms and partner services, we facilitate the integration of mobile machines into business processes.

We are an independent company, we support our employees and we are aware of our responsibilities towards the environment and the society. Together with our clients and partners we participate actively in important future-related topics: the Internet of Things (IoT) and the Industry 4.0 initiative, (semi)autonomous driving and working and e-mobility.

Firmenkontakt und Herausgeber der Meldung:

(STW) Sensor-Technik Wiedemann GmbH
Am Bärenwald 6
87600 Kaufbeuren
Telefon: +49 (8341) 9505-0
Telefax: +49 (8341) 9505-55

Sensor-Technik Wiedemann GmbH
Telefon: +49 (8341) 9505-0
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