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DOI QR Code

Development of Human Following Method of Mobile Robot Using QR Code and 2D LiDAR Sensor

QR 2D 코드와 라이다 센서를 이용한 모바일 로봇의 사람 추종 기법 개발

  • Received : 2019.10.03
  • Accepted : 2020.01.21
  • Published : 2020.02.29

Abstract

In this paper, we propose a method to keep the robot at a distance of 30 to 45cm from the user in consideration of each individual's minimum area and inconvenience by using a 2D LiDAR sensor LDS-01 as the secondary sensor along with a QR code. First, the robot determines the brightness of the video and the presence of a QR code. If the light is bright and there is a QR code due to human's presence, the range of the 2D LiDAR sensor is set based on the position of the QR code in the captured image to find and follow the correct target. On the other hand, when the robot does not recognize the QR code due to the low light, the target is followed using a database that stores obstacles and human actions made before the experiment using only the 2D LiDAR sensor. As a result, our robot can follow the target person in four situations based on nine locations with seven types of motion.

Keywords

Acknowledgement

Supported by : 산업통상자원부

본 논문은 산업통상자원부의 산업기술혁신사업으로 수행 된 연구의 결과물입니다(No.10062368).

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