Design of active whole-spacecraft vibration isolation based on voice-coil motor

Weichao Chi; Dengqing Cao; Wenhu Huang

doi:10.1117/12.2044920

8 March 2014 Design of active whole-spacecraft vibration isolation based on voice-coil motor

Weichao Chi, Dengqing Cao, Wenhu Huang

Proceedings Volume 9061, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014; 90613X (2014) https://doi.org/10.1117/12.2044920
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2014, San Diego, California, United States

Abstract

In the launching process of a spacecraft, the dynamic environment is very complex, so a vibration isolator is widely used for preventing the spacecraft from being damaged. This paper focused on a whole-spacecraft vibration isolation platform with the purpose of isolating the shock and noise transmitting directly to the spacecraft in the process of launching. The isolator is designed based on a model of circular payload adapter fitting. A voice-coil motor is designed and optimized as the active control actuator to provide proper feedback force to reduce the amplitude of the vibration, and is fixed in the whole-spacecraft vibration isolation platform, with sensors collocated on one side of the voice-coil motor in the vertical direction. The LQR control strategy is designed for the preliminary model of the isolation system in the vertical direction. Numerical simulation results are given to verify the effectiveness of the proposed isolation unit consisted of the voicecoil actuators.

Citation Download Citation

Weichao Chi, Dengqing Cao, and Wenhu Huang "Design of active whole-spacecraft vibration isolation based on voice-coil motor", Proc. SPIE 9061, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014, 90613X (8 March 2014); https://doi.org/10.1117/12.2044920

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available