Wind speed feedforward control for a wind turbine using LIDAR

Wind energy has relatively minor environmental impact compared to traditional energy sources. It doesn’t consume fuel or emits air pollution, while the land used for a wind farm can still be used mostly for other purposes such as agriculture. Some people state that wind turbines consume subsidies as a fuel, since they aren’t profitable without...

Development of an efficient parallel wavefront reconstructor: With implementation on a GPU

Evaluation of recursive algorithms for nonstationary disturbance prediction in an adaptive optics experimental setup

Adaptive optics (AO) is a technique for correcting the optical effects of atmospheric turbulence in real time, and in this way greatly enhancing the performance of ground-based optical systems beyond the limits imposed by the atmosphere. Optimal control algorithms for AO systems can provide significant additional improvements beyond the standard...

Model-based Estimation of State of Charge of Lithium Cells

Characterization and Control of an Atomic Force Microscope

The Atomic Force Microscope (AFM) is an instrument used for studying the topography of samples with nanometer resolution. Possible samples include specific materials or biological samples. The AFM is a mechanical microscope, since a three dimensional topography image is constructed by raster scanning a sharp tip and a sample surface in close...

Model Predictive Controller Design for an Autonomous Corner Module

With the growing interest for vehicles with electric propulsion, research has been done on more modular car designs where the driveline and steering system is integrated in the wheel corners. Such a corner module containing an in-wheel motor and active brake and steering system is denoted as an Autonomous Corner Module (ACM). Using this module...

Iterative Learning Control for High-Speed Atomic Force Microscopy

One of the most versatile instrument in nano technology is the Atomic Force Microscope (AFM). An AFM can image and measure surface properties on the nanometer scale by mechanically positioning a very sharp tip with a raster-scan pattern over the sample surface with a piezo-electric three-dimensional positioning stage. However, obtaining an image...

Feedback control of a piezo deformable mirror for a wavefront-sensorless AO setup

This master thesis presentation concludes the research done on a wavefront-sensorless (WFSless) adaptive optics (AO) setup, where light intensity of a focussed beam behind a pinhole is measured. As wavefront compensator, a Piezo Deformable Mirror (PDM) was used. The goal of the research is to investigate which algorithms lead to the highest...

A temperature state estimator for a load sensing hub bearing unit

Force Sensing in Wheel Slip Control

Subspace-Based Identification Techniques for a Smart Wind Turbine Rotor Blade