Results 31 to 40 of about 523,605 (185)
The study of the “Cetus” unmanned aerial vehicle for topographic aerial surveying
Geodesy and Cartography, 2021 The work aims to analyze and study the possibilities of using “Cetus” unmanned aerial vehicle (UAV) for performing topographic aerial surveys. The authors developed and tested aircraft-type UAV for topographic aerial photography.
Volodymyr Hlotov +4 more
doaj +1 more source
Results in Physics, 2017 Controlled fracture splitting technology has great potential in processing the splitting parts such as engine connecting rod, and the pulsed laser processing of notches for fracture splitting, which is crucial for controlling the fracture splitting ...
S.Q. Kou, Y. Gao, W.Q. Gao
doaj +1 more source
Methods of Predicting the Heading, Pitch and Roll Angles for an Unmanned Aerial Vehicle
Communications, 2020 The article discusses handicaps in predicting values of rotation angles with regard to Heading, Pitch and Roll for an Unmanned Aerial Vehicle. Within the simulation of the rotation angle values, the linear, polynomial and logarithmic methods were used ...
Damian Wierzbicki, Kamil Krasuski
doaj +1 more source
Calculation of an Average Vehicle’s Sideways Acceleration on Small Roundabouts
Sensors, 2022 The calculation of the average sideways acceleration, based on speed and angular velocity on small roundabouts for a vehicle of up to 3.5 t gross vehicle mass, is described in this paper.
Juraj Jagelčák +4 more
doaj +1 more source
High-Speed Virtual Flight Testing Platform for Performance Evaluation of Pitch Maneuvers
Aerospace, 2023 To research serious nonlinear coupling problems among aerodynamics, flight mechanics, and flight control during high maneuvers, a virtual flight testing platform has been developed for a large-scale, high-speed wind tunnel, based on the real physical ...
Hao Li +5 more
doaj +1 more source
Alternative work roll material grade for the late-finishing stands of hot strip mills [PDF]
MATEC Web of ConferencesThe ever-increasing demand for high productivity and strip surface quality in hot strip mills (HSMs) has been the driving force in the search for work rolls with excellent wear and mill incidence resistance.
Nyabadza Davison +1 more
doaj +1 more source
International Journal of Electrochemical Science, 2019 Flexibility has been identified as the most important factor in the foldable or bendable electrochemical supercapacitors (ESs), which include: electrical double-layer capacitors, and pseudo-capacitors. In this minireview, electrospun polymeric nanofibers
Haoqi Yang, Shuqing Kou
doaj +1 more source
Roll Calibration for CryoSat-2: A Comprehensive Approach
Remote Sensing, 2021 CryoSat-2 is the first satellite mission carrying a high pulse repetition frequency radar altimeter with interferometric capability on board. Across track interferometry allows the angle to the point of closest approach to be determined by combining ...
Albert Garcia-Mondéjar +4 more
doaj +1 more source
A review of roll-to-roll nanoimprint lithography [PDF]
Nanoscale Research Letters, 2014 Abstract Since its introduction in 1995, nanoimprint lithography has been demonstrated in many researches as a simple, low-cost, and high-throughput process for replicating micro- and nanoscale patterns. Due to its advantages, the nanoimprint lithography method has been rapidly developed over the years as a promising alternative to ...
Kooy, Nazrin +3 more
openaire +2 more sources
Information-Based Trade in German Real Estate and Equity Markets
Risks, 2015 This paper employs four established market microstructure measures on information-based trade in financial markets. A set of German mid and small caps is used to analyze potential differential information content in real estate stocks compared to other ...
Marco Wölfle
doaj +1 more source