Connectivity and collision constrained opportunistic routing for emergency communication using UAV

Improving Performance of Opportunistic Routing Protocol using Fuzzy Logic for Vehicular Ad-hoc Networks in Highways

Vehicular ad hoc networks are an emerging technology with an extensive capability in various applications including vehicles safety, traffic management and intelligent transportation systems. Considering the high mobility of vehicles and their inhomogeneous distributions, designing an efficient routing protocol seems necessary. Given the fact that a road is crowded at some sections and is not c...

UAV Collision Avoidance using A * Algorithm

Collision avoidance is the essential requirement for unmanned aerial vehicles (UAVs) to become fully autonomous. Several algorithms have been proposed to do the path planning in a simulated environment, but only few can make them effectively survive in a dynamic environment. This issue keeps UAVs from commercial and other applications because when the UAVs fly autonomously, the inability to rel...

Collision analysis for an UAV

UAV Collision Avoidance Using Artificial Potential Fields

Over recent years, research into Unmanned Aerial Vehicles (UAVs) has increased substantially. However, if autonomous flight of these vehicles is to become feasible in the near future, a collision avoidance scheme must be developed to ensure airspace safety. In this paper, we propose a novel artificial potential field approach to this problem, which, combined with a powerful priority-based syste...

Trim and Maneuverability Analysis Using a New Constrained PSO Approach of a UAV

Performance characteristic of an Unmanned Air Vehicle (UAV) is investigated using a newly developed heuristic approach. Almost all flight phases of any air vehicle can be categorized into trim and maneuvering flights. In this paper, a new envelope called trim-ability envelope, is introduced and sketched within the conventional flight envelope for a small UAV. Optimal maneuverability of the inte...