Development of a Piezoelectric Motor for Space Communication
Author Information
Author(s): Šišovas Laurynas, Čeponis Andrius, Mažeika Dalius, Borodinas Sergejus
Primary Institution: Vilnius Gediminas Technical University
Hypothesis
How does a piezoelectric inertial motor perform under varying temperature conditions in low Earth orbit?
Conclusion
The piezoelectric inertial motor shows stable performance and adaptability to temperature fluctuations, making it suitable for small satellite applications.
Supporting Evidence
- The motor's resonant frequency decreased from 12,810 Hz at -20 °C to 12,640 Hz at 40 °C.
- The displacement amplitude increased from 12.61 μm to 13.31 μm across the same temperature range.
- The motor achieved a maximum angular speed of 1178 RPM and a stall torque of 13.1 N·mm at an excitation voltage of 180 Vp-p.
- The design allows for direct integration to printed circuit boards, enhancing its application in small satellites.
Takeaway
This study created a small motor that can work well in space, even when temperatures change a lot. It helps satellites point accurately and communicate better.
Methodology
The study involved numerical simulations and experimental investigations to assess the motor's performance across a temperature range from -20 °C to 40 °C.
Limitations
The study primarily focuses on temperature effects and does not address long-term durability or performance under other environmental factors.
Digital Object Identifier (DOI)
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