Schwaer, C., Stefanek, D., Sinn, A., & Schitter, G. (2022). Integrated Force Sensor based on Optical Distance Measurement for a Modular Actuator used in Active Optics. In Proceedings of 2022 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM) (pp. 496–501). https://doi.org/10.1109/AIM52237.2022.9863267
Proceedings of 2022 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM)
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ISBN:
978-1-6654-1308-4
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Datum (veröffentlicht):
2022
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Veranstaltungsname:
2022 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM)
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Veranstaltungszeitraum:
11-Jul-2022 - 15-Jul-2022
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Veranstaltungsort:
Japan
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Umfang:
6
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Keywords:
Active Optics; Actuators; Sensors
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Abstract:
This paper presents a modular actuator with an integrated force sensor for the utilization in an active optics support system for primary mirrors in the meter-class. The actuator uses a commercial stepper motor together with an arrangement of helical springs. The force measurement of the individual actuators required for the active optical system is based on an optical proximity sensor which measures the distance between the components connected by the springs. This way, the force sensor is highly integrated into the actuator and for the developed system a precise force measurement with an RMS error of 4.5 mN over a range of 24 N is achieved.
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Projekttitel:
Primärspiegelzelle mit aktiver Optik für Leichtgewicht-Teleskope mittlerer Baugröße: 873711 (FFG - Österr. Forschungsförderungs- gesellschaft mbH)
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Forschungsschwerpunkte:
Mathematical and Algorithmic Foundations: 50% Sensor Systems: 50%
