Friday, June 1, 2018

1.5 Research Blog: UAV Sensor Enhancements

Unmanned systems, in all manner of operating domain (i.e. marine, ground, air and space) have realized significant technological improvements in both the public and civil sectors.  However, current Federal Aviation Administration (FAA) regulations appear to be the single most restrictive factor to full on integration of UAS in the National Airspace System (NAS).
The greatest hurdle for unmanned aerial systems is showing an equivalent level of safety to regulations that were written for manned operations.  Within Title 14 of the Code of Federal Regulations (14 CFR), §91.113 Right-of-way-rules: Except water operations is just one of these rules.  Written at a time when unmanned aircraft were not a reality or even a possibility, this rules primary intent is that an aircraft operating in the NAS relies on the ability of the person operating that aircraft to see and avoid other aircraft or other potential hazards whether airborne or fixed.  With the remote pilot in command (RPIC) removed from the operating platform of the aircraft, the RPIC must rely on sensors not yet shown to meet the intent of the original rule.  However, in an effort to develop an acceptable level of safety to this rule, recent technological improvements have been realized that may very well prove beneficial.
In his article, Tarabee Showcases LED Distance Sensor for UAVS (2018), author M. Rees introduced a new detect and avoid sensor developed specifically for UAS.  Manufactured by Tarabee, these sensors rely on light-emitting-diodes (LEDs) capable of measuring and returning distance values in millimeters at high rates of speed (Tarabee, 2018).  M. Rees provided the following additional information:
The TeraRanger Evo is a lightweight LED distance sensor. Weighing just 9g (12g with communication board), it has a unique modular design allowing multiple sensors to be used on one platform, with simple plug and play functionality. Ideal for use on UAVs, for high-speed collision avoidance and object detection, the new TeraRanger Evo sensor has a 60m distance range with centimeter-level accuracy.
One can be sure, as micro technologies similar to these become instrumental to RPIC situational awareness and present mitigations essential to addressing the risks of unmanned operations in the NAS, full integration will be realized.
References
Rees, M. (2018, May 15). Tarabee Showcases LED Distance Sensor for UAVs. Retrieved from UST-Unmanned Systems Technology: http://www.unmannedsystemstechnology.com/2018/05/terabee-showcases-led-distance-sensor-for-uavs/

Tarabee. (2018). Distance Sensors. Retrieved from Tarabee: https://www.terabee.com/distance-sensors/