13 May 2016 Non-GPS full position and angular orientation onboard sensors for moving and stationary platforms
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Angular orientation of both mobile and stationary objects continues to be an ongoing topic of interest for guidance and control as well as for non-GPS based solutions for geolocations of assets in any environment. Currently available sensors, which include inertia devices such as accelerometers and gyros; magnetometers; surface mounted antennas; radars; GPS; and optical line of sight devices, do not provide an acceptable solution for many applications, particularly for gun-fired munitions and for all-weather and all environment scenarios. A robust onboard full angular orientation sensor solution, based on a scanning polarized reference source and a polarized geometrical cavity orientation sensor, is presented. The full position of the object, in the reference source coordinate system, is determined by combining range data obtained using established time-of-flight techniques, with the angular orientation information.
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Harbans S. Dhadwal, Harbans S. Dhadwal, Jahangir Rastegar, Jahangir Rastegar, Dake Feng, Dake Feng, Philip Kwok, Philip Kwok, Carlos M. Pereira, Carlos M. Pereira, "Non-GPS full position and angular orientation onboard sensors for moving and stationary platforms", Proc. SPIE 9837, Unmanned Systems Technology XVIII, 983702 (13 May 2016); doi: 10.1117/12.2224075; https://doi.org/10.1117/12.2224075

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