Active Vibration Isolation System Using Piezoelectric Stewart Platform
Author Information
Author(s): Fang Zhiyi, Yu Zhiliang, Huang Qingping, Wang Yanfen, Gu Xingsheng
Primary Institution: East China University of Science and Technology, Shanghai, China
Hypothesis
Can an active vibration isolation system using a Stewart platform improve the performance of space payloads affected by micro-vibrations?
Conclusion
The proposed active vibration isolation system significantly enhances positioning accuracy and vibration isolation performance.
Supporting Evidence
- The active vibration isolation system was tested and showed improved performance in reducing vibrations.
- Experimental results confirmed the effectiveness of the proposed control methods.
- The system remains effective even with the failure of some actuators.
Takeaway
This study shows how a special platform can help keep sensitive equipment steady in space by reducing tiny vibrations.
Methodology
The study involved modeling the Stewart platform, analyzing piezoelectric actuator hysteresis, and implementing a control method using feedforward compensation and feedback linearization.
Limitations
The study does not provide specific details on the limitations of the experimental setup or the generalizability of the results.
Digital Object Identifier (DOI)
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