Mr. Toomas M. Erm Profile

Toomas M. Erm

at European Southern Observatory

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Author

Publications (14)

Proceedings Article | 18 July 2014 Paper

PC based PLCs and ethernet based fieldbus: the new standard platform for future VLT instrument control

Mario Kiekebusch, Christian Lucuix, Toomas Erm, Gianluca Chiozzi, Michele Zamparelli, Lothar Kern, Roland Brast, Werther Pirani, Roland Reiss, Dan Popovic, Jens Knudstrup, Michel Duchateau, Stefan Sandrock, Nicola Di Lieto

Proceedings Volume 9152, 915207 (2014) https://doi.org/10.1117/12.2056648

KEYWORDS: Photonic integrated circuits, Standards development, Control systems, Motion controllers, Computer programming, Clocks, Interfaces, Commercial off the shelf technology, Astronomy, Computer programming languages

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Proceedings Article | 24 September 2012 Paper

Design and implementation of a general main axis controller for the ESO telescopes

Stefan Sandrock, Nicola Di Lieto, Lorenzo Pettazzi, Toomas Erm

Proceedings Volume 8451, 84510N (2012) https://doi.org/10.1117/12.926105

KEYWORDS: Telescopes, Control systems, Mathematical modeling, Prototyping, Model-based design, Optical instrument design, Device simulation, Electronics, Computer programming, Computer simulations

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Proceedings Article | 5 August 2010 Paper

Dynamical aspects in control of E-ELT segmented primary mirror (M1)

B. Sedghi, M. Müller, M. Dimmler, B. Bauvir, T. Erm, H. Bonnet, M. Cayrel

Proceedings Volume 7733, 77332E (2010) https://doi.org/10.1117/12.856885

KEYWORDS: Actuators, Photoacoustic tomography, Sensors, Adaptive optics, Telescopes, Segmented mirrors, Control systems, Wavefronts, Mirrors, Feedback loops

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Proceedings Article | 28 July 2010 Paper

Main axes control of E-ELT

B. Sedghi, M. Müller, T. Erm, E. Brunetto, F. Koch, N. Di Lieto

Proceedings Volume 7733, 77331G (2010) https://doi.org/10.1117/12.856871

KEYWORDS: Telescopes, Computer programming, Wavefronts, Control systems, Head, Optical instrument design, Motion models, Device simulation, Error analysis, Sensing systems

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Proceedings Article | 23 July 2008 Paper

The VST tracking system and its preliminary performance

P. Schipani, M. Brescia, S. Sandrock, T. Erm

Proceedings Volume 7018, 701844 (2008) https://doi.org/10.1117/12.787435

KEYWORDS: Telescopes, Computer programming, Control systems, Space telescopes, System identification, Device simulation, Observatories, Astronomical telescopes, Sensors, Zoom lenses

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Proceedings Article | 17 July 2008 Paper

E-ELT primary mirror control system

M. Dimmler, T. Erm, B. Bauvir, B. Sedghi, H. Bonnet, M. Müller, A. Wallander

Proceedings Volume 7012, 70121O (2008) https://doi.org/10.1117/12.790476

KEYWORDS: Mirrors, Control systems, Photoacoustic tomography, Adaptive optics, Sensors, Spatial frequencies, Telescopes, Actuators, Wavefronts, Curium

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Proceedings Article | 6 July 2006 Paper

A cost effective direct drive option for the Thirty Meter Telescope

T. Erm, A. Seppey

Proceedings Volume 6273, 627335 (2006) https://doi.org/10.1117/12.672204

KEYWORDS: Telescopes, Optical instrument design, Astronomy, Iron, Manufacturing, Amplifiers, Image segmentation, Telescope design, Control systems design, Thirty Meter Telescope

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Proceedings Article | 26 June 2006 Paper

TMT wind model validation with measurements on Keck and Gemini

T. Erm, G. Angeli

Proceedings Volume 6271, 62710N (2006) https://doi.org/10.1117/12.670002

KEYWORDS: Wind measurement, Telescopes, Gemini Observatory, Control systems, Error analysis, Systems modeling, Mirrors, Velocity measurements, Astronomy, Thirty Meter Telescope

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Proceedings Article | 15 September 2004 Paper

Time to go H-∞

Toomas Erm, Zdenek Hurak, Bertrand Bauvir

Proceedings Volume 5496, (2004) https://doi.org/10.1117/12.555606

KEYWORDS: Mathematical modeling, Telescopes, Control systems, Signal attenuation, Amplifiers, MATLAB, Servomechanisms, Astronomy, Observatories, Structural design

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Proceedings Article | 21 February 2003 Paper

Commissioning the VLT interferometer: from first fringes towards a general user facility

Markus Schoeller, Philippe Gitton, Javier Argomedo, Pascal Ballester, Bertrand Bauvir, Roy Van Boekel, Michael Cantzler, Serge Correia, William Cotton, Francoise Delplancke, Frederic Derie, Philippe Duhoux, Toomas Erm, Emmanuel di Folco, Vincent Coude du Foresto, Alberto Gennai, Bruno Gilli, Paul Giordano, Andreas Glindemann, Stephane Guisard, Pablo Gutierrez, Nico Housen, Gerhard Huedepohl, Alexis Huxley, S. Jackisch, Walter Jaffe, Pierre Kervella, Arno van Kesteren, Mario Kiekebusch, Bertrand Koehler, Samuel Leveque, Antonio Longinotti, Serge Menardi, Sebastien Morel, Lothar Noethe, Francesco Paresce, Isabelle Percheron, T. Phan Duc, A. Pino, D. Rabeling, A. Ramirez, Sylvie Robbe-Dubois, Andrea Richichi, A. Rijo, Cyrus Sabet, Stefan Sandrock, Damien Segransan, Jason Spyromilio, Roberto Tamai, Massimo Tarenghi, Anders Wallander, Rainer Wilhelm, Markus Wittkowski

Proceedings Volume 4838, (2003) https://doi.org/10.1117/12.459678

KEYWORDS: Interferometers, Interferometry, Astronomical imaging, Astronomy, Telescopes

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Proceedings Article | 4 February 2003 Paper

Adaptive periodic error correction for the VLT

Toomas Erm, Stefan Sandrock

Proceedings Volume 4837, (2003) https://doi.org/10.1117/12.458236

KEYWORDS: Computer programming, Telescopes, Systems modeling, Servomechanisms, Error analysis, Sensors, Detection and tracking algorithms, Control systems, Performance modeling, Filtering (signal processing)

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Proceedings Article | 2 August 2000 Paper

Guide to better autoguiding

Toomas Erm

Proceedings Volume 4004, (2000) https://doi.org/10.1117/12.393927

KEYWORDS: Telescopes, Charge-coupled devices, Stars, Servomechanisms, CCD cameras, Linear filtering, Point spread functions, Filtering (signal processing), Optical filters, Electronic filtering

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Proceedings Article | 2 August 2000 Paper

Integration and tuning of the VLT drive systems

Toomas Erm, Pablo Gutierrez

Proceedings Volume 4004, (2000) https://doi.org/10.1117/12.393903

KEYWORDS: Computer programming, Telescopes, Servomechanisms, Amplifiers, Systems modeling, Device simulation, Magnetism, Simulink, Control systems, Head

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Proceedings Article | 21 March 1997 Paper

Analysis of tracking performance

Toomas Erm

Proceedings Volume 2871, (1997) https://doi.org/10.1117/12.268988

KEYWORDS: Error analysis, Telescopes, Motion analysis, Space telescopes, Charge-coupled devices, Computer programming, Image analysis, Filtering (signal processing), CCD cameras, Servomechanisms

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Showing 5 of 14 publications

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