The Journal of Korea Institute of Information, Electronics, and Communication Technology (한국정보전자통신기술학회논문지)

Korea Information Electronic Communication Technology (한국정보전자통신기술학회)
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A Design of Passenger Detection and Sharing System(PDSS) to support the Driving ( Decision ) of an Autonomous Vehicles

자율차량의 주행을 보조하기 위한 탑승객 탐지 및 공유 시스템 개발

  • Son, Su-Rak (Department of Software Engineering, Catholic kwandong University) ;
  • Lee, Byung-Kwan (Department of Software Engineering, Catholic kwandong University) ;
  • Sim, Son-Kweon (Department of Geography Education, Catholic kwandong University) ;
  • Jeong, Yi-Na (Department of Software Engineering, Catholic kwandong University)
  • Received : 2020.02.23
  • Accepted : 2020.04.09
  • Published : 2020.04.30
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Abstract

Currently, an autonomous vehicle studies are working to develop a four-level autonomous vehicle that can cope with emergencies. In order to flexibly respond to an emergency, the autonomous vehicle must move in a direction to minimize the damage, which must be conducted by judging all the states of the road, such as the surrounding pedestrians, road conditions, and surrounding vehicle conditions. Therefore, in this paper, we suggest a passenger detection and sharing system to detect the passenger situation inside the autonomous vehicle and share it with V2V to the surrounding vehicles to assist in the operation of the autonomous vehicle. Passenger detection and sharing system improve the weighting method that recognizes passengers in the current vehicle to identify the passenger's position accurately inside the vehicle, and shares the passenger's position of each vehicle with other vehicles around it in case of emergency. So, it can help determine the driving of a vehicle. As a result of the experiment, the body pressure sensor applied to the passenger recognition sub-module showed about 8% higher accuracy than the conventional resonant sensor and about 17% higher than the piezoelectric sensor.

현재 자율주행 차량 연구들은 긴급상황이 대처 가능한 4레벨의 자율주행 차량을 개발하기 위해 매진하고 있다. 차량이 긴급상황에 유연하게 대처하기 위해서는 피해를 최소화하는 방향으로 움직여야 하는데, 이는 주변 보행자, 도로 상태, 주변 차량의 상태 등 주행 중인 도로의 모든 상태를 판단하여 진행되어야 한다. 따라서 본 논문에서는 자율차량 내부의 탑승객 상황을 탐지하고, 그것을 V2V로 주변 차량에 공유하여 이 긴급상황에서 주행을 결정하는 데 도움을 줄 수 있는 자율차량의 주행을 보조하기 위한 탑승객 탐지 및 공유 시스템을 제안한다. 탑승객 탐지 및 공유 시스템은 현재 차량에서 탑승객을 인식하는 무게 측정 방식을 개선하여 정확하게 차량 내부의 승객 위치를 식별할 수 있고, 각 차량의 승객 위치를 주변의 다른 차량과 공유하기 때문에 긴급상황이 발생할 때 차량의 주행 결정에 도움을 줄 수 있다. 실험 결과, 탑승객 인식 서브 모듈에 적용된 체압 센서는 기존의 공진형 센서보다 약 8%, 압전형 센서보다 약 17% 높은 정확도를 보였다.

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