42 citations · 45 across the 10 of their papers we have counts for
11 papers
Vertical Planetary Landing on Sloped Terrain Using Optical Flow Divergence Estimates
Hann Woei Ho, Ye Zhou
Autonomous landing on sloped terrain poses significant challenges for small, lightweight spacecraft, such as rotorcraft and landers. These vehicles have limited processing capabili…
MoCom: Motion-based Inter-MAV Visual Communication Using Event Vision and Spiking Neural Networks
Zhang Nengbo, Hann Woei Ho, Ye Zhou
Reliable communication in Micro Air Vehicle (MAV) swarms is challenging in environments, where conventional radio-based methods suffer from spectrum congestion, jamming, and high p…
Hierarchical Deep Deterministic Policy Gradient for Autonomous Maze Navigation of Mobile Robots
Wenjie Hu, Ye Zhou, Hann Woei Ho
Maze navigation is a fundamental challenge in robotics, requiring agents to traverse complex environments efficiently. While the Deep Deterministic Policy Gradient (DDPG) algorithm…
CPP-DIP: Multi-objective Coverage Path Planning for MAVs in Dispersed and Irregular Plantations
Weijie Kuang, Hann Woei Ho, Ye Zhou
Coverage Path Planning (CPP) is vital in precision agriculture to improve efficiency and resource utilization. In irregular and dispersed plantations, traditional grid-based CPP of…
ForaNav: Insect-inspired Online Target-oriented Navigation for MAVs in Tree Plantations
Weijie Kuang, Hann Woei Ho, Ye Zhou +1
Autonomous Micro Air Vehicles (MAVs) are becoming essential in precision agriculture to enhance efficiency and reduce labor costs through targeted, real-time operations. However, e…
A Comprehensive Review on Tree Detection Methods Using Point Cloud and Aerial Imagery from Unmanned Aerial Vehicles
Weijie Kuang, Hann Woei Ho, Ye Zhou +2
Unmanned Aerial Vehicles (UAVs) are considered cutting-edge technology with highly cost-effective and flexible usage scenarios. Although many papers have reviewed the application o…
Autonomous Navigation of Micro Air Vehicles in Warehouses Using Vision-based Line Following
Ling Shuang Soh, Hann Woei Ho
In this paper, we propose a vision-based solution for indoor Micro Air Vehicle (MAV) navigation, with a primary focus on its application within autonomous warehouses. Our work cent…
A review of variable-pitch propellers and their control strategies in aerospace systems
Hanjie Jiang, Ye Zhou, Hann Woei Ho
The relentless pursuit of aircraft flight efficiency has thrust variable-pitch propeller technology into the forefront of aviation innovation. This technology, rooted in the ancien…
Adaptive Model Predictive Control for Engine-Driven Ducted Fan Lift Systems using an Associated Linear Parameter Varying Model
Hanjie Jiang, Ye Zhou, Hann Woei Ho +1
Ducted fan lift systems (DFLSs) powered by two-stroke aviation piston engines present a challenging control problem due to their complex multivariable dynamics. Current controllers…
Incremental Nonlinear Dynamic Inversion based Optical Flow Control for Flying Robots: An Efficient Data-driven Approach
Hann Woei Ho, Ye Zhou
This paper presents a novel approach for optical flow control of Micro Air Vehicles (MAVs). The task is challenging due to the nonlinearity of optical flow observables. Our propose…
Optical-Flow based Self-Supervised Learning of Obstacle Appearance applied to MAV Landing
H. W. Ho, C. De Wagter, B. D. W. Remes +1
Monocular optical flow has been widely used to detect obstacles in Micro Air Vehicles (MAVs) during visual navigation. However, this approach requires significant movement, which r…