具有音圈自适应反射镜的从动和禁用致动器
Slaving and disabling actuators with voice-coil adaptive mirrors
摘要：
基于音圈技术的自适应反射镜具有力致动器，该力致动器具有内部计量以闭合局部回路，用于控制其形状的位置。当执行器被要求禁用或从属时，控制矩阵必须重新计算。该报告描述了重新计算相关矩阵的算法，用于控制反射镜，而无需重新校准。这特别涉及使用音圈技术的MMT、LBT、Magellan、VLT、ELT和GMT自适应镜。该技术已成功应用于LBT和VLT-UT 4自适应次镜单元。
英文摘要：
Adaptive mirrors based on voice-coil technology have force actuators with an internal metrology to close a local loop for controlling its shape in position. When actuators are requested to be disabled or slaved, control matrices have to be re-computed. The report describes the algorithms to re-compute the relevant matrixes for controlling of the mirror without the need of recalibration. This is related in particular to MMT, LBT, Magellan, VLT, ELT and GMT adaptive mirrors that use the voice-coil technology. The technique is successfully used in practice with LBT and VLT-UT4 adaptive secondary mirror units.
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