Search Results - "Doelman, Niek J."

Towards real-time contrast control for direct exoplanet imaging with adaptive optics by Radhakrishnan, Vikram M., Keller, Christoph U., Doelman, Niek J.

“…Adaptive Optics (AO) is a crucial ingredient for diffraction-limited imaging in science and engineering. While most AO control is linear, non-linear approaches…”
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A fast-array Kalman filter solution to active noise control by Fraanje, Rufus, Sayed, Ali H., Verhaegen, Michel, Doelman, Niek J.

“…A Kalman filter solution to active control and its fast‐array implementation are provided. The adaptive control problem is formulated as a state‐estimation…”
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Active noise reduction for steel bridges by Berkhoff, Arthur P., de Beer, Fred G., Looijmans, Karel N. H., van Overbeek, Michiel W. R. M., Doelman, Niek J.

“…Experimental and computational results are given for active control systems minimizing sound radiation from steel bridges for trains. The performance of the…”
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Control of sawteeth and neo-classical tearing modes in tokamaks using electron cyclotron waves by de Baar, M. R., Bongers, W. A., van Berkel, M., Doelman, N. J., Hennen, B. A., Nuij, P., Oosterbeek, J. W., Steinbuch, M., Westerhof, E., Witvoet, G.

“…Resistive magneto-hydrodynamic instabilities are expected to limit the performance of nuclear fusion reactors. Prime examples are the sawtooth instability and…”
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