5. COMPUTATIONAL ENGINEERING SEMINAR

Holger Fürst vom Lehrstuhl für Windenergie der Universität Stuttgart referiert im Labor für Scientific Computing und Simulation über Nacelle-Based Scanning Lidar Systems: 

For the development of the next generation of multi megawatt wind turbines, advanced control concepts are one of the major tasks. Gaining more electrical energy by increasing the power output of the turbines is a common goal. Furthermore, reduction of fatigue and extreme loading could help to improve the overall design process and make plants more cost effective. The concept of Lidar(Light Detection and Ranging)-Assisted Control is a promising approach to accomplish these objectives. By providing preview information about the inflowing wind field, the conventional control algorithms can be adapted and significant improvements in rotor speed regulation are possible. This disturbance rejection control method, which has been successfully proved in field testing campaigns, is based on the availability of measurement signals provided by nacelle-based scanning lidar systems. One way to improve the overall lidar-assisted control structure is to make these sensors more robust in terms of reliability. Due to the major complexity of scanning lidar systems, specific development methods out of various engineering sciences have to be applied. By combining methodologies from mechatronics, engineering design and reliability engineering, it is more likely that the lidar system is performing its tasks optimally.

This talk gives an overview of state-of-the-art research in lidar assisted control and development of nacelle-based scanning lidar devices.

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