Journal of the Institute of Electronics and Information Engineers (전자공학회논문지)

The Institute of Electronics and Information Engineers (대한전자공학회)
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A Design of Standing Human Body Sensing System Using Rotation of a PIR Sensor

초전형 적외선 센서 회전방식을 이용한 정지 인체 감지 시스템에 관한 연구

  • Received : 2015.10.20
  • Accepted : 2015.12.28
  • Published : 2016.01.25
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Abstract

A novel sensing system for standing and moving human body using PIR(pyroelectric infrared) sensor was development. The system consists of power supply, interface circuit of PIR sensor, small stepping motor, and digital control. The detecting principle for stop human body is detecting the human body when the stepping motor sticking the PIR sensor and the fresnel lens has rotated by 180 degree at six second and has stopped the motor for no detecting signal of human body. We developed control algorism for proposed the detection system. The experimentation shows that the detector system had detected length and angle were 6m and 30 degree against as standing and moving human body with $37^{\circ}C$.

초전형 적외선(pyroelectric infrared : PIR) 센서를 이용하여 정지 및 이동인체 감지 시스템을 개발하였다. 감지 시스템은 전원부, 초전형 적외선 센서 인터페이스 회로, 극소형 스템핑 모터, 그리고 디지털 제어부로 구성된다. 정지된 인체를 감지하는 원리는 PIR 센서와 프레넬 렌즈(Fresnel lens)를 부착한 스템핑 모터를 180도로 6초 간격으로 회전하여 인체의 유무를 검출하고 일정기간 동안 인체 감지 신호가 없으면 모터를 정지시키는 것이다. 제안한 감지 시스템에 필요한 제어 알고리즘을 개발하였다. 실험을 통해 감지 시스템은 $37^{\circ}C$의 정지 및 이동하는 인체에 대하여 6m의 감지거리와 30도의 감지 각도를 갖고 있다는 것을 확인하였다.

Keywords

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