Many years after construction, a number of existing old tunnels and underground structures
are deteriorating with time as evidenced by cracks, large deformations, water leakage and …

Featured Application Direct visual servoing of UAVs. Abstract Most current unmanned aerial
vehicles (UAVs) primarily use a global positioning system (GPS) and an inertial …

Unmanned aerial vehicle (UAV) technology has demonstrated outstanding performance and
has become an essential innovation in current applications. In outdoor surveillance …

Aerial drones are increasingly being considered as a valuable tool for inspection in safety
critical contexts. Nowhere is this more true than in mining operations which present a …

Visual odometry (VO) is important in robotic rescue and navigation operations; however,
poor visibility scenarios, which are characterised by weak illumination, few textures, and self …

With the rapid development of robotics, intelligent robots have gradually entered human
daily life and take responsibility for specific tasks, which brings tremendous convenience to …

This study presents the positioning method and autonomous flight of a quadrotor drone
using ultrawideband (UWB) communication and an optical flow sensor. UWB …

Autonomous systems usually require accurate localization methods for them to navigate
safely in indoor environments. Most localization methods are expensive and difficult to set …

In this paper, a computational fluid dynamics (CFD) analysis system based on a 3D-CAD
model of a butterfly-style flapping robot using its experimental flight data is proposed. The …

Autonomous systems usually require accurate localization methods for them to navigate
safely in indoor environments. Most localization methods are expensive and difficult to set …