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Position and orientation inference via on-board triangulation.

Madhu Advani1, Daniel S Weile2

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This study introduces an on-board triangulation method for object localization and orientation. This novel approach uses smart antennas and radio beacons for precise positioning, offering an alternative to GPS.

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Area of Science:

  • Robotics and Navigation
  • Sensor Fusion
  • Geospatial Analysis

Background:

  • Current object localization methods like Global Positioning System (GPS) and standard triangulation have limitations.
  • These methods often require external infrastructure or have different hardware and algorithmic requirements.
  • Situations exist where on-board determination of spatial location and orientation is highly desirable.

Purpose of the Study:

  • To propose and detail a novel on-board triangulation algorithm for determining an object's spatial location and orientation.
  • To present a method that can be used independently or in conjunction with existing localization systems.
  • To demonstrate the feasibility and advantages of an integrated, self-contained positioning system.

Main Methods:

  • Development of an on-board triangulation algorithm utilizing smart antenna arrays on the object.
  • Employing signals from simple, omnidirectional radio wave broadcasting beacons.
  • Inferring signal direction using antenna arrays for onboard position and orientation calculations.

Main Results:

  • Numerical examples validate the proposed on-board triangulation method.
  • The algorithm demonstrates effective determination of spatial location and orientation.
  • The method shows significant tolerance to noise in measurements.

Conclusions:

  • The proposed on-board triangulation offers a viable alternative or supplement to traditional localization techniques.
  • This approach provides a self-contained solution for precise object positioning and orientation.
  • The method's noise tolerance and utility are confirmed through simulations.