Results 11 to 20 of about 36,236,534 (364)

Learning high-speed flight in the wild [PDF]

open access: yesScience Robotics, 2021
Description Deep Learning enables agile flight in challenging environments with onboard sensing and computation. Quadrotors are agile. Unlike most other machines, they can traverse extremely complex environments at high speeds. To date, only expert human
Antonio Loquercio   +5 more
semanticscholar   +1 more source

Combining protective clothes with human body models for finite element ballistic impact simulations

open access: yesCommunications in Development and Assembling of Textile Products, 2023
The ballistic deformation of an ultra-high-molecular-weight (UHMW) polyethylene (PE) composite has been subjected numerically to a multi-layered soft ballistic fabric package modelled upon the body contours of the Global Human Body Models Consortium ...
Matthias Boljen   +3 more
doaj   +7 more sources

Undrained Stability Analysis of Shallow Tunnel and Sinkhole in Soft Clay: The Cavity Contraction Method

open access: yesApplied Sciences, 2021
This paper presents theoretical methods for the undrained stability analysis of shallow tunnels/sinkholes in clay based on the cavity contraction theory, with some assumptions and simplifications.
Hui Qi   +9 more
doaj   +1 more source

All-analog photoelectronic chip for high-speed vision tasks

open access: yesNature, 2023
An all-analog chip combining electronic and light computing achieves systemic energy efficiency of more than three orders of magnitude and a computing speed of more than one order of magnitude compared with state-of-the-art computing processors. Photonic
Yitong Chen   +11 more
semanticscholar   +1 more source

Numerical Simulations of Vertical Discrete Gusts Driven by Trailing Edge Blowing

open access: yesInternational Journal of Aerospace Engineering, 2023
A new type of gust generator generates the airflow oscillation in the wind tunnel through the Coanda effect of the unsteady trailing edge blowing, which has been shown to have strong potential for accurately simulating discrete gusts.
Yang Shi   +5 more
doaj   +1 more source

A preliminary study on static pressure probe mobile measurement method for flow field in transonic wind tunnel

open access: yesXibei Gongye Daxue Xuebao, 2021
The axial Mach number distribution of the core flow for model in a transonic wind tunnel is an important index to evaluate the performance of the flow field, which is usually measured by the centerline probe.

doaj   +1 more source

High-Speed Tracking with Kernelized Correlation Filters [PDF]

open access: yesIEEE Transactions on Pattern Analysis and Machine Intelligence, 2014
The core component of most modern trackers is a discriminative classifier, tasked with distinguishing between the target and the surrounding environment.
João F. Henriques   +3 more
semanticscholar   +1 more source

The Aerodynamic Characteristics of a Diamond Joined-Wing Morphing Aircraft

open access: yesInternational Journal of Aerospace Engineering, 2022
This paper presents a new-concept aircraft with a diamond joined-wing morphing configuration, which simultaneously adjusts the sweep angles of both the front wing and rear wings by a telescopic support rod. The compressible Navier-Stokes equations in the
Shuai Miao   +4 more
doaj   +1 more source

High-speed fluorescence image-enabled cell sorting

open access: yesScience, 2022
Fast and selective isolation of single cells with unique spatial and morphological traits remains a technical challenge. Here, we address this by establishing high-speed image-enabled cell sorting (ICS), which records multicolor fluorescence images and ...
D. Schraivogel   +13 more
semanticscholar   +1 more source

Data assimilation of structural deformation using finite element simulations and single-perspective projection data based on the example of X-ray imaging

open access: yesSN Applied Sciences, 2021
Gaining insight in the complex deformation processes inside a vehicle during the process of crashing is to date only possible via numerical simulations.
Ines Butz   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy