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Success Story

Monitoring software in an agile environment

Zühlke supported Marenco Swisshelicopter Ltd with the further development of the monitoring software in their latest helicopter. Thanks to the agile approach, the customer was able to access up-todate, working software for test runs at all times.

Task

For testing purposes and commissioning the new helicopter, the Marenco Swisshelicopter Ltd relied on a LabVIEW-based data acquisition and visualization system. The sensor data were recorded in the helicopter, stored, and transmitted to the ground station for visualization. Down below, Marenco engineers monitored the test runs via the visualization interface continuously. Because of the constant new demands placed upon the monitoring software, it was reaching its limits. Zühlke was commissioned to increase the performance of the software and implement new advanced features. At the same time, the company had to continue to be able to rely on the measuring system and up-to-date, working software to avoid any interruptions of the test runs.

Implementation

As a result of the flexible, agile workflows, Zühlke was able to ensure that fully functioning software was always available. New requirements and prioritizing of the work packages were coordinated daily with Marenco and changes were tested continuously. With targeted LabVIEW optimizations, Zühlke increased the software’s performance so that it could cope with the large amounts of data generated during the test runs. Adjustments to the software architecture ensured that the measuring system was ready for future upgrades. In addition, the error handling was re-engineered to simplify the traceability of any bugs. Finally, thanks to a newly created program library, customers were given the option to add additional functions and displays to the user interface themselves.
To accommodate a planned future upgrade (data transmission via GSM network), a configurable data transfer was implemented.

Customer benefits

  • Just a few days after the project kicked off at short notice, Zühlke’s specialist succeeded in implementing the stricter requirements demanded, thus keeping the maiden flight on schedule.
  • Zühlke’s agile approach ensured the customer always had an up-to-date, working software available. Interruptions during the test runs were avoided.
  • Thanks to Zühlke’s wide-ranging knowhow, the system is based on long-term, sustainable foundations.

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