Abstract Unmanned Aircraft Systems (UASs) are becoming ever more promising over the
last decade. The Sense and Avoid (S&A) system plays a profoundly important role in …

This paper provides a comprehensive review of the vision-based See and Avoid problem for
unmanned aircraft. The unique problem environment and associated constraints are …

Unmanned aircraft systems must demonstrate a capability to sense and avoid air traffic as
part of a layered conflict management system to enable safe operations in the National …

RIGOROUS analysis of a collision avoidance system is required before deployment in the
airspace due to the potentially catastrophic consequences of error in their operation. Civil …

This article presents a review about Beyond Visual Line Of Sight (BVLOS) operations using
unmanned aircraft in forest environments. Forest environments present unique challenges …

The use of unmanned aerial systems (UASs) in both the public and military environments is
predicted to grow significantly. As the demand for UASs grows, the availability of more …

The use of unmanned aerial vehicles (UAVs) or drones have become ubiquitous in the
recent years. Collision avoidance is a critical component of path planning, allowing multi …

Sense and Avoid Systems (SAASs) are one of the last technical challenges for the safe
integration of Unmanned Aerial Systems (UASs) into the US National Airspace System …

This paper presents an extension to the ACAS X collision avoidance algorithm to multirotor
aircraft capable of using speed changes to avoid close encounters with neighboring aircraft …

(NAS) is an essential but limited resource supporting the vitality of the economy and the
freedom to travel. Use of this resource is stressed, however, by demands placed by …