Journal of Mechanical Science and Technology

The Korean Society of Mechanical Engineers (대한기계학회)
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Design of an Absolute Location and Position Measuring System for a Mobile Robot

  • Kim, Dong-Hwan (Assistant Professor Department of Mechanical Design, Seoul National University of Technology) ;
  • Park, Young-Chil (Associate Professor, Department of Control and Instrumentation Seoul National University of Technology) ;
  • Hakyoung Chung (Associate Professor, Department of Control and Instrumentation Seoul National University of Technology)
  • Published : 2001.10.01
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Abstract

This paper focuses on a development of a sensor system measuring locations of a vehicle to localize a mobile robot while it tracks on the track (location sensor) . Also it focuses on a system configuration identifying the vehicle's orientation and distance from the object while it is stationary at certain station (position sensor) . As for the location sensor it consists of a set of sensors with a combined guiding and counting sensor, and an address-coded sensor to localize the vehicle while moving on the rail. For the position sensor a PSD (Position Sensitive Device) sensor with photo-switches sensor to measure the offset and orientation of the vehicle at each station is introduced. Both sensor systems are integrated with a microprocessor as a data relay to the main computer controlling the vehicle. The location sensor system is developed and its performance for a mobile robot is verified by experiments. The position measuring system is proposed and is robust to the environmental variation. Moreover, the two kinds of sensor systems guarantee a low cost application and high reliability.

Keywords

References

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