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Tong Liu, Panpan Liu, Songtian Shang, Yi Yang. Simultaneous Localization and Mapping System Based on Labels[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2017, 26(4): 534-541. doi: 10.15918/j.jbit1004-0579.201726.0413
Citation: Tong Liu, Panpan Liu, Songtian Shang, Yi Yang. Simultaneous Localization and Mapping System Based on Labels[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2017, 26(4): 534-541.doi:10.15918/j.jbit1004-0579.201726.0413
shu

Simultaneous Localization and Mapping System Based on Labels

doi:10.15918/j.jbit1004-0579.201726.0413

  • Key Laboratory of Intelligent Control and Decision of Complex System, School of Automation, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2016-11-25
    Abstract
  • In this paper a label-based simultaneous localization and mapping (SLAM) system is proposed to provide localization to indoor autonomous robots. In the system quick response(QR) codes encoded with serial numbers are utilized as labels. These labels are captured by two webcams, then the distances and angles between the labels and webcams are computed. Motion estimated from the two rear wheel encoders is adjusted by observing QR codes. Our system uses the extended Kalman filter (EKF) for the back-end state estimation. The number of deployed labels controls the state estimation dimension. The label-based EKF-SLAM system eliminates complicated processes, such as data association and loop closure detection in traditional feature-based visual SLAM systems. Our experiments include software-simulation and robot-platform test in a real environment. Results demonstrate that the system has the capability of correcting accumulated errors of dead reckoning and therefore has the advantage of superior precision.
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    • References (13)
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