Thermal Performance of a Multi-Axis Smoothing Cell - Georgiou, Charalambos;Comley, Paul
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The following material includes a review of thermal and distance metrology equipment, a description of shaping and preparing an aspherical mirror for the ELT ground based telescope involving the use of a robotic smoothing cell. The text covers the calibration of the volumetric workspace of the multi-axis smoothing cell using ISO standard tests with the aim of studying the effects of thermal influences. Plane axis motions errors were measured with a laser interferometer and multi-axis volumetric measurements were carried out with a 6 axis laser tracker. The thermal variation is assessed during…mehr

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Produktbeschreibung
The following material includes a review of thermal and distance metrology equipment, a description of shaping and preparing an aspherical mirror for the ELT ground based telescope involving the use of a robotic smoothing cell. The text covers the calibration of the volumetric workspace of the multi-axis smoothing cell using ISO standard tests with the aim of studying the effects of thermal influences. Plane axis motions errors were measured with a laser interferometer and multi-axis volumetric measurements were carried out with a 6 axis laser tracker. The thermal variation is assessed during operation at high heat load for this type of operation. A Matlab based thermal error model is developed and validated to simulate thermal errors over a range of operating parameters. Using the model and experimental data, direction was given to optimise the robotic cell performance and is due to be implemented for further use
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Autorenporträt
PhD student at NTU Athens Greece: Marie Curie Research Fellow in the Destiny Program http://www.destiny-itn.eu/ at the National Centre for Scientific Research (NCSR) 'Demokritos'. Awarded an MSc by Research at Cranfield University on the 'Thermal Performance of Multi-Axis Smoothing Cell' and an M.Sci in Physics at Queen Mary University of London.