한국전자통신학회논문지 (The Journal of the Korea institute of electronic communication sciences)

한국전자통신학회 (Korea Institute of Electronic Communication Science)
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초음파 센서를 이용한 모션 인식 수도꼭지 개발 및 연구

Study in the Development of Motion Recognition Tap-water using Ultrasonic Sensors

  • 김동현 (남서울대학교 전자공학과) ;
  • 유재호 (남서울대학교 전자공학과) ;
  • 주종수 (남서울대학교 전자공학과) ;
  • 안종필 (남서울대학교 전자공학과) ;
  • 김재욱 (남서울대학교 전자공학과)
  • 투고 : 2021.12.21
  • 심사 : 2022.04.17
  • 발행 : 2022.04.30
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초록

기술의 발전은 사람의 삶을 편하게 개선했고, 더 쉽고 안전하고 간단하게 발전해 왔다. 우리는 주로 화장실에서 물의 온도를 맞추기 위해 뜨거운 물로 틀고 온도를 점점 맞춰가며 자신이 원하는 온도를 피부로 찾는다. 이러한 상황에서 '만약 물의 온도를 눈으로 볼 수 있고, 안전한 시스템을 포함하면서 화장실의 인테리어까지 도울 수 있는 장치가 있으면 어떨까'라는 생각을 했고, 안정성을 중요시하는 시스템을 만들고자 했다. LCD와 LED를 넣어 우리가 온도를 촉각적으로 느끼기 전에 시각적으로 먼저 알 수 있게 하여, 보다 나은 안전성을 확보하는 것이 가장 큰 목적이다. 실험 결과 수온 센서에서 감지되는 온도와 LCD에서 표시되는 온도는 실 온도와의 오차가 없었고 초음파 센서를 이용한 거리 측정 실험에서는 27cm까지는 오차가 발생하지 않았다. 28cm 이상부터는 2% 정도의 오차가 발생했지만, 수도꼭지라는 카테고리 안에서 사용하기에는 큰 불편함은 없다.

Advances in technology have improved people's lives comfortably and have developed more easily, safely and simply. We usually turn on hot water to set the temperature of the water in the bathroom and gradually adjust the temperature to find the temperature we want with our skin. In this situation, I thought, "What if there is a device that can see the temperature of water with my eyes and help with the interior of the bathroom while including a safe system," and tried to create a system that values stability. For example, if a child accidentally changes the temperature of the water to high temperature while washing, he or she can get burned. And the biggest purpose is to secure better safety by adding LCDs and LEDs so that we can visually know the temperature before feeling it tactilely. As a result of the experiment, there was no error between the temperature detected by the water temperature sensor and the temperature displayed on the LCD, and no error occurred up to 27 cm in the distance measurement experiment using the ultrasonic sensor. There has been an error of about 2% since 28cm or older, but there is no significant inconvenience in using it within the category of faucets.

키워드

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