Structural health monitoring of boom architectures for on-orbit satellites using system identification techniques

Yingtao Liu, Seung Bum Kim, Aditi Chattopadhyay, Derek Doyle

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The extensive use of light weight composite materials in spacecrafts is challenged by the risk of damage initiation and propagation within their most critical structural components during service life. The durability and reliability of composite structures under such service conditions need serious attention. Elastically deployable composite booms are widely used for satellite, space antennas and solar sails. Matrix cracks are considered to be a primary form of damage caused by flattening and wrapping the boom around the circular hub prior to launching the component into space. However, while on orbit, most damages are induced by the environmental effects of ultraviolet radiation, thermal shifts from ±200 °C, vacuum and proton and electron radiation to the polymers. A well-developed Structural Health Monitoring (SHM) system tasked with monitoring structural degradation will provide information for the dynamic control of the satellite and the condition of deployable mechanisms on the space vehicle. In this paper, a novel SHM methodology based on system identification techniques is presented to identify the damage in laminated composite booms. Non-Destructive Evaluation (NDE) techniques, frequency response analysis and Auto- Regressive with eXogenous (ARX) input models are used to approximate the transfer functions between input and output sensing signals. Structural degradation is identified by examining the change of transfer functions at different damage states. A single-input-singleoutput (SISO) approach is adopted in this paper. System identification techniques allow characterizing of structural degradation without the need for acquiring excessive training data. The proposed methodology is verified through experimentation where damage is gradually induced by flattening and wrapping deployable boom samples around a circular hub.

Original languageEnglish (US)
Title of host publicationCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
StatePublished - 2010
Event51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference - Orlando, FL, United States
Duration: Apr 12 2010Apr 15 2010

Other

Other51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
CountryUnited States
CityOrlando, FL
Period4/12/104/15/10

Fingerprint

Structural health monitoring
Identification (control systems)
Orbits
Satellites
Degradation
Transfer functions
Solar sails
Launching
Composite materials
Laminated composites
Composite structures
Service life
Ultraviolet radiation
Frequency response
Environmental impact
Spacecraft
Protons
Durability
Vacuum
Antennas

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Mechanics of Materials
  • Building and Construction
  • Architecture

Cite this

Liu, Y., Kim, S. B., Chattopadhyay, A., & Doyle, D. (2010). Structural health monitoring of boom architectures for on-orbit satellites using system identification techniques. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference [2010-3027]

Structural health monitoring of boom architectures for on-orbit satellites using system identification techniques. / Liu, Yingtao; Kim, Seung Bum; Chattopadhyay, Aditi; Doyle, Derek.

Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2010. 2010-3027.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Liu, Y, Kim, SB, Chattopadhyay, A & Doyle, D 2010, Structural health monitoring of boom architectures for on-orbit satellites using system identification techniques. in Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference., 2010-3027, 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Orlando, FL, United States, 4/12/10.
Liu Y, Kim SB, Chattopadhyay A, Doyle D. Structural health monitoring of boom architectures for on-orbit satellites using system identification techniques. In Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2010. 2010-3027
Liu, Yingtao ; Kim, Seung Bum ; Chattopadhyay, Aditi ; Doyle, Derek. / Structural health monitoring of boom architectures for on-orbit satellites using system identification techniques. Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. 2010.
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