ESO ELT - vibration sources characterization: a step forward towards requirement and performance verification
2020
ESO took a systematic approach at earliest phases of the ELT programme to address different aspects of vibration at telescope, from modelling, error budgeting, requirement specifications, to envisaging verification and mitigation methods. Recent activities focused on characterisation of the vibrational forces generated by typical equipment in the observatory. Those measured forces combined with the models of the telescope are used to verify various subsystems specification as well as to verify the overall system performance. In this paper, an approach used for vibration force measurements together with some examples of the characterised sources are discussed. The verification of performance/requirements at telescope system/subsystem is performed using these measured data.
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