Tech Xplore

Programmable metasurface generates dozens of holograms at once

Over the past few decades, engineers have developed various devices that can create holograms, three-dimensional (3D) or ...

Bioinspired strategy creates complex 3D curved structures via programmed shrinkage

The shape of biological structures, ranging from flower petals to the limbs or organs of animals, is often naturally best ...
IEEE

Comparative Analysis of UAV Path Planning Algorithms for Efficient Navigation in Urban 3D Environments

Abstract: The most crucial challenges for UAVs are planning paths and avoiding obstacles in their way. In recent years, a wide variety of path-planning algorithms have been developed. These algorithms ...
IEEE

3D Path Optimization of UAV Based on Improved RRT Algorithm and Artificial Potential Field Method

Abstract: there are many problems in UAV obstacle avoidance path planning using conventional RRT algorithm, such as many search nodes, large area, long time, low efficiency, many path corners and a ...