정전용량 형 압력맵핑센서를 위한 록인 증폭기 어레이 개발

Development of a Lock-In Amplifier Array for Capacitive Type Pressure Mapping Sensor

  • 김청월 (안동대학교 전자공학교육과) ;
  • 이영태 (안동대학교 전자공학교육과)
  • Kim, Cheong-Worl (Dept. of Electronics Education, Andong National University) ;
  • Lee, Young-Tae (Dept. of Electronics Education, Andong National University)
  • 투고 : 2017.12.11
  • 심사 : 2017.12.26
  • 발행 : 2017.12.31

초록

In this study, We developed a simple and low cost capacitive pressure mapping sensor and microcontroller-base lock-in amplifier array. We developed capacitive type pressure mapping sensor by forming the electrode and adhesives on plastic films using only the printing process, and the finishing the process by bonding the two films. Lock-in amplifier array was based on a general purpose microcontroller and had only a charge amplifier as analog circuits. In this study, a $10{\times}10$ capacitive type pressure mapping sensor and lock-in amplifier array was fabricated and its characteristics were analyzed.

키워드

참고문헌

  1. http://www.tekscan.com/
  2. Young-Tae Lee, "Development of Capacitive Type Pressure Mapping Sensor using Printing Technology," J. of Sensor Society and Technology, Vol. 26, pp. 24-27, (2017). https://doi.org/10.5369/JSST.2017.26.1.24
  3. G.de Graaf and R. F. Wolffenbuttel, "Lock-in Amplifier Technology for Low-frequency Modulated Sensor Application", IEEE International Instrumentation and Measurement Technology Conf., pp.1745-1749, (2012).
  4. J. Aguirrem, N. Medrano, B. Calvo, and S. Celma, "Lock-in Amplifier for Portable Sensing System", Electron. Lett., Vol. 47, No. 21, pp. 1172-1173, (2011). https://doi.org/10.1049/el.2011.2472
  5. PerkinElmer Instruments, "What is a Lock-in Amplifier", Technical Note TN 1000, USA.
  6. J. L. Scott, "Introduction to Lock-in Amplifiers", DL Instruments Technical Note IAN 47, (2002).
  7. A. A. Dorrington and R. Kunnemeyer, "A Simple Microcontroller Based Digital Lock-in Amplifier for the Detection of low level optical signals", Proc. Of the First IEEE Inter. Workshop on Electronic Design, Test and Applications, Christchurch, New Zealand, (2002).
  8. Cheong-Worl Kim, "A Microcontroller-base Lock-in Amplifier for Capacitive Sensors", J. of Sensor Society and Technology, Vol. 23, pp. 24-28, (2014). https://doi.org/10.5369/JSST.2014.23.1.24