Record link: 
http://hdl.handle.net/20.500.12708/80474
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Title: 
Integrated Force Sensor based on Optical Distance Measurement for a Modular Actuator used in Active Optics
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Citation: 
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
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Publisher DOI: 
10.1109/AIM52237.2022.9863267
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Publication Type: 
Inproceedings - Full-Paper Contribution
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Language: 
English
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Authors: 
Schwaer, Christian 
Stefanek, David 
Sinn, Andreas 
Schitter, Georg 
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Organisational Unit: 
E376-01 - Forschungsbereich Intelligente Mechatronische Systeme 
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Published in: 
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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Date (published): 
2022
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Event name: 
2022 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM) 
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Event date: 
11-Jul-2022 - 15-Jul-2022
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Event place: 
Japan
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Number of Pages: 
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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Project title: 
Primärspiegelzelle mit aktiver Optik für Leichtgewicht-Teleskope mittlerer Baugröße: 873711 (FFG - Österr. Forschungsförderungs- gesellschaft mbH) 
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Research Areas: 
Mathematical and Algorithmic Foundations: 50%
Sensor Systems: 50%
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Science Branch: 
2020 - Elektrotechnik, Elektronik, Informationstechnik: 100%
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Appears in Collections:
Conference Paper

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