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Aerospace
Volume 12
Issue 9
10.3390/aerospace12090778
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

A Novel 6-DOF Passive Vibration Isolation System for Aviation Optoelectronic Turret and Its Impact Analysis on Optical Systems Imaging Performance

by
Wenxin Shi
1,2,
Lei Li
1,
Haishuang Fu
1,
Chen Shui
1,2,
Yijian Wang
1,2,
Dejiang Wang
1,
Xiantao Li
1 and
Bao Zhang
1,*
1
State Key Laboratory of Dynamic Optical Imaging and Measurement, Changchun Institute of Optics Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Aerospace 2025, 12(9), 778; https://doi.org/10.3390/aerospace12090778
Submission received: 19 July 2025 / Revised: 21 August 2025 / Accepted: 27 August 2025 / Published: 28 August 2025
(This article belongs to the Section Aeronautics)
Versions Notes

Abstract

In recent years, with the rapid development of the unmanned aerial vehicle industry, aviation optoelectronic turrets have been widely applied in fields such as terrain exploration, disaster prevention and mitigation, and national defense. Vibration isolation systems play a critical role in ensuring their imaging performance. This paper proposes a novel eight-leg six-degree-of-freedom (6-DOF) passive vibration isolation system tailored to the characteristics of aviation optoelectronic turrets, addressing the limitations of traditional Stewart passive vibration isolation platforms. A static analysis of the system is conducted, deriving the general form of the mass matrix under application conditions for aviation optoelectronic turrets. Structural configuration conditions are established to ensure that the stiffness matrix and damping matrix are diagonal matrices. In dynamic analysis and simulations, the transmissibility in each direction is simulated, and the impact of leg failure on the vibration isolation performance of this redundant system is further investigated. Under random vibration excitation, the maximum rotational vibration angles of a specific aviation optoelectronic turret are simulated and analyzed, confirming its stable tracking capability and validating the effectiveness of the redundant leg design in the vibration isolation system.
Keywords: aviation optoelectronic turret; 6-DOF; passive vibration isolation; redundant; imaging performance aviation optoelectronic turret; 6-DOF; passive vibration isolation; redundant; imaging performance

Share and Cite

MDPI and ACS Style

Shi, W.; Li, L.; Fu, H.; Shui, C.; Wang, Y.; Wang, D.; Li, X.; Zhang, B. A Novel 6-DOF Passive Vibration Isolation System for Aviation Optoelectronic Turret and Its Impact Analysis on Optical Systems Imaging Performance. Aerospace 2025, 12, 778. https://doi.org/10.3390/aerospace12090778

AMA Style

Shi W, Li L, Fu H, Shui C, Wang Y, Wang D, Li X, Zhang B. A Novel 6-DOF Passive Vibration Isolation System for Aviation Optoelectronic Turret and Its Impact Analysis on Optical Systems Imaging Performance. Aerospace. 2025; 12(9):778. https://doi.org/10.3390/aerospace12090778

Chicago/Turabian Style

Shi, Wenxin, Lei Li, Haishuang Fu, Chen Shui, Yijian Wang, Dejiang Wang, Xiantao Li, and Bao Zhang. 2025. "A Novel 6-DOF Passive Vibration Isolation System for Aviation Optoelectronic Turret and Its Impact Analysis on Optical Systems Imaging Performance" Aerospace 12, no. 9: 778. https://doi.org/10.3390/aerospace12090778

APA Style

Shi, W., Li, L., Fu, H., Shui, C., Wang, Y., Wang, D., Li, X., & Zhang, B. (2025). A Novel 6-DOF Passive Vibration Isolation System for Aviation Optoelectronic Turret and Its Impact Analysis on Optical Systems Imaging Performance. Aerospace, 12(9), 778. https://doi.org/10.3390/aerospace12090778

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