JOURNAL ARTICLE

Indoor Localization Method using Single Inertial and Ultrasonic Sensors

Seoung-Bum RyuChang-Woo SongKyungyong ChungKee-Wook RimJunghyun Lee

Year: 2010 Journal:   The Journal of the Korea Contents Association Vol: 10 (4)Pages: 115-122   Publisher: Korea Contents Associaition

Abstract

현재 제공되고 있는 지능화된 서비스들은 사용자의 위치를 기반으로 동작한다. 실내 위치 측정 서비스를 위한 수많은 장비들은 각각의 특징된 동작과 운영체계를 가지므로 다양한 기기들을 연결하고 제어할 수 있는 미들웨어의 상호 운용성과 다양성이 필요하다. 기존 관성 센서를 이용한 실내 위치추정 방법은 공간 크기에 따른 추가 비용이 발생하여 상대적인 효율성이 떨어진다. 따라서 본 논문에서 제안하는 실내 사용자 위치추정 방법은 오픈소스 프로젝트인 OSGi 프레임워크를 이용하여 통합서비스를 지원하고, 초음파 센서를 이용하여 특정 물체와의 정확한 근접 거리를 통해 관성 센서의 문제점을 보완하였으며, 신뢰도의 항목을 추가하여 반응속도 차이에 따른 오차율을 줄였다. Most of intelligent services provided today work based on the users' location. Numerous devices for indoor localization services have their own characteristic functions and operating systems, we need the interoperability and diversity of middleware to connect and control these devices. The indoor localization method using existing inertial sensors are relatively less efficient because of additional cost according to the size of space. Accordingly, the indoor user localization method proposed in this study supports integrated services using OSGi framework, an open source project, and solves problems in inertial sensor based on accurate distance to a specific object measured using ultrasonic sensor. Furthermore, it reduces errors resulting from difference in response rate by adding the reliability item.

Keywords:
Ultrasonic sensor Middleware (distributed applications) Interoperability Reliability (semiconductor) Computer science Inertial measurement unit Real-time computing Inertial frame of reference Embedded system Distributed computing Computer vision Acoustics

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Topics

Indoor and Outdoor Localization Technologies
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Inertial Sensor and Navigation
Physical Sciences →  Engineering →  Aerospace Engineering
Underwater Vehicles and Communication Systems
Physical Sciences →  Engineering →  Ocean Engineering
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