Wireless and batteryless vibration testing of space structures with implanted LSI sensors

Jin Mitsugi, N. Rajoria, Y. Kawakita, H. Ichikawa

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

1 Citation (Scopus)

Abstract

Vibration testing and modal survey of space structures usually afflict labour intensive and delicate sensor attachments and power/signal wire routings not to damage delicate space structures. In this paper, we propose to implant tiny wireless and batteryless sensors to space structures at the time of fabrication to eradicate the power/signal wiring burden for their entire structural lifecycle by providing power to the implanted sensors with radio wave. The vibration data is concurrently collected from multiple sensors as the reflection of radio wave. The mutually interfering reflections are processed in an interrogator to separate the signals to produce a transition matrix. The concurrent and synchronized collection of sensor data is realized by a newly invented wireless access method tailored to low functional sensors, referred to as Multiple Subcarrier Multiple Access (MSMA). In this paper, we outline the theory and challenges of MSMA and report the state of art of the development with experimental results.

Original languageEnglish
Title of host publication68th International Astronautical Congress, IAC 2017
Subtitle of host publicationUnlocking Imagination, Fostering Innovation and Strengthening Security
PublisherInternational Astronautical Federation, IAF
Pages7669-7676
Number of pages8
Volume12
ISBN (Print)9781510855373
Publication statusPublished - 2017 Jan 1
Event68th International Astronautical Congress: Unlocking Imagination, Fostering Innovation and Strengthening Security, IAC 2017 - Adelaide, Australia
Duration: 2017 Sep 252017 Sep 29

Other

Other68th International Astronautical Congress: Unlocking Imagination, Fostering Innovation and Strengthening Security, IAC 2017
CountryAustralia
CityAdelaide
Period17/9/2517/9/29

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Keywords

  • Modal survey
  • Passive backscatter
  • Software defined radio
  • Vibration testing
  • Wireless sensor

ASJC Scopus subject areas

  • Aerospace Engineering
  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Mitsugi, J., Rajoria, N., Kawakita, Y., & Ichikawa, H. (2017). Wireless and batteryless vibration testing of space structures with implanted LSI sensors. In 68th International Astronautical Congress, IAC 2017: Unlocking Imagination, Fostering Innovation and Strengthening Security (Vol. 12, pp. 7669-7676). International Astronautical Federation, IAF.