Hengda Wang
YOU?
Author Swipe
View article: Incremental Beta Distribution Weighted Fuzzy C-Ordered Means Clustering
Incremental Beta Distribution Weighted Fuzzy C-Ordered Means Clustering Open
Streaming data is becoming more and more common in the field of big data and incremental frameworks can address its complexity. The BDFCOM algorithm achieves good results on common form datasets by introducing the ordering mechanism of bet…
View article: Beta Distribution Weighted Fuzzy C-Ordered-Means Clustering
Beta Distribution Weighted Fuzzy C-Ordered-Means Clustering Open
The fuzzy C-ordered-means clustering (FCOM) is a fuzzy clustering algorithm that enhances robustness and clustering accuracy through the ordered mechanism based on fuzzy C-means (FCM). However, despite these improvements, the FCOM algorith…
View article: Effects of Wind Disturbance on the Aerodynamic Performance of a Quadrotor MAV during Hovering
Effects of Wind Disturbance on the Aerodynamic Performance of a Quadrotor MAV during Hovering Open
Wind disturbance could render thrust and power variation or even causing roll which is difficult to maintain a steady flight in gust especially when the horizontal or vertical wind is involved. In this paper, the horizontal wind and vertic…
View article: Aerodynamic Performance of an Octorotor SUAV with Different Rotor Spacing in Hover
Aerodynamic Performance of an Octorotor SUAV with Different Rotor Spacing in Hover Open
To study the aerodynamic performance of hovering octorotor small unmanned aerial vehicles (SUAV) with different rotor spacing, the computational fluid dynamics (CFD) method is applied to analyze the flow field of an octorotor SUAV in detai…
View article: Aerodynamic Characteristics of a Micro Multi-Rotor Aircraft with 12 Rotors Considering the Horizontal Wind Disturbance
Aerodynamic Characteristics of a Micro Multi-Rotor Aircraft with 12 Rotors Considering the Horizontal Wind Disturbance Open
Wind disturbance posed difficulties for the stability of the micro air vehicles (MAVs) with attitude variation. In this paper, the aerodynamic performance of a MAV with six coaxial rotor pairs considering the horizontal wind is investigate…
View article: Aerodynamic Optimization of a Micro Quadrotor Aircraft with Different Rotor Spacings in Hover
Aerodynamic Optimization of a Micro Quadrotor Aircraft with Different Rotor Spacings in Hover Open
In order to study the aerodynamic performance of the quadrotor with different rotor spacings in hover, experiments were performed together with numerical simulations. For experimental study, an experimental platform was designed to measure…
View article: Aerodynamic Performance of a Quadrotor MAV Considering the Horizontal Wind
Aerodynamic Performance of a Quadrotor MAV Considering the Horizontal Wind Open
The aerodynamic performance of the quadrotor is usually suffering a lower propulsive efficiency in a windy environment. Especially the horizontal wind may affect the attitude control to provide sufficient thrust to lift the entire vehicle …
View article: Incremental fuzzy clustering based on a fuzzy scatter matrix
Incremental fuzzy clustering based on a fuzzy scatter matrix Open
For clustering large-scale data, which cannot be loaded into memory entirely, incremental clustering algorithms are very popular. Usually, these algorithms only concern the within-cluster compactness and ignore the between-cluster separati…