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High-g Shock Acceleration Measurement Using Martlet Wireless Sensing System

  • Xi Liu
  • Xinjun Dong
  • Yang WangEmail author
  • Lauren Stewart
  • Jacob Dodson
  • Bryan Joyce
Conference paper
  • 481 Downloads
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)

Abstract

This paper reports the latest development of a wireless sensing system, named Martlet, on high-g shock acceleration measurement. The Martlet sensing node design is based on a Texas Instruments Piccolo microcontroller, with clock frequency programmable up to 90 MHz. The high clock frequency of the microcontroller enables Martlet to support high-frequency data acquisition and high-speed onboard computation. In addition, the extensible design of the Martlet node conveniently allows incorporation of multiple sensor boards. In this study, a high-g accelerometer interface board is developed to allow Martlet to work with the selected microelectromechanical system (MEMS) high-g accelerometers. Besides low-pass and high-pass filters, amplification gains are also implemented on the high-g accelerometer interface board. Laboratory impact experiments are conducted to validate the performance of the Martlet wireless sensing system with the high-g accelerometer board. The results of this study show that the performance of the wireless sensing system is comparable to the cabled system.

Keywords

Shock test Wireless sensors Data acquisition system Hydraulic blast actuator Martlet wireless sensing unit 

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Copyright information

© The Society for Experimental Mechanics, Inc. 2019

Authors and Affiliations

  • Xi Liu
    • 1
  • Xinjun Dong
    • 1
  • Yang Wang
    • 1
    Email author
  • Lauren Stewart
    • 1
  • Jacob Dodson
    • 2
  • Bryan Joyce
    • 3
  1. 1.School of Civil and Environmental Engineering, Georgia Institute of TechnologyAtlantaUSA
  2. 2.Air Force Research LaboratoryMunitions DirectorateEglin AFBUSA
  3. 3.Energy Technology and Materials DivisionUniversity of Dayton Research InstituteEglin AFBUSA

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