Results 21 to 30 of about 1,257,173 (313)

Improvement and Analysis for Geo-fence Violation Detection Algorithm of Unmanned Aerial Vehicle

open access: yesHangkong gongcheng jinzhan, 2020
The core algorithm to prevent unmanned aerial vehicle(UAV)from flying out of the designated airspace or flying into the restricted airspace is the goe-fence violation detection algorithm of UAV.
XIE Dongcen   +4 more
doaj   +1 more source

High‐resolution seismic tomography of the 2015 Mw7.8 Gorkha earthquake, Nepal: Evidence for the crustal tearing of the Himalayan rift

open access: yesGeophysical Research Letters, 2016
The Mw7.8 Gorkha earthquake struck Nepal and ruptured the boundary between the Indian and Eurasian plates. We conducted 2‐D Pg wave tomography to clarify the seismogenic structure and try to understand causal mechanisms for this large earthquake, using ...
Shunping Pei   +4 more
doaj   +1 more source

Linear Theory of Electron-Plasma Waves at Arbitrary Collisionality [PDF]

open access: yes, 2019
The dynamics of electron-plasma waves are described at arbitrary collisionality by considering the full Coulomb collision operator. The description is based on a Hermite-Laguerre decomposition of the velocity dependence of the electron distribution ...
Brunner, S.   +7 more
core   +2 more sources

Time-Varying Formation Control for Second-Order Discrete-Time Multi-Agent Systems With Directed Topology and Communication Delay

open access: yesIEEE Access, 2019
Time-varying formation control protocol design and analysis problems for the second-order discrete-time multi-agent systems with directed interaction topology and communication delay are investigated.
Lyulong He   +4 more
doaj   +1 more source

Binomial collisions and near collisions

open access: yesIntegers : Electronic Journal of Combinatorial Number Theory, 2017
We describe efficient algorithms to search for cases in which binomial coefficients are equal or almost equal, give a conjecturally complete list of all cases where two binomial coefficients differ by 1, and give some identities for binomial coefficients that seem to be new.
Blokhuis, A.   +2 more
openaire   +4 more sources

Is the super-Penrose process possible near black holes? [PDF]

open access: yes, 2016
We consider collisions of particles near generic axially symmetric extremal black holes. We examine possibility of indefinitely large extraction of energy (the so-called super-Penrose process) in the limit when the point of collision approaches the ...
Zaslavskii, O. B.
core   +3 more sources

Thermal–Electrical–Mechanical Coupled Finite Element Models for Battery Electric Vehicle

open access: yesMachines
The safety of lithium-ion batteries is critical to the safety of battery electric vehicles (BEVs). The purpose of this work is to develop a method to predict battery thermal runaway in full electric vehicle crash simulation.
Chenxi Ling   +3 more
doaj   +1 more source

Brane Worlds in Collision [PDF]

open access: yes, 2005
We obtain an exact solution of the supergravity equations of motion in which the four-dimensional observed universe is one of a number of colliding D3-branes in a Calabi-Yau background.
A. Papapetrou   +4 more
core   +3 more sources

Building Blue Stragglers with Stellar Collisions

open access: yes, 2007
The evolution of stellar collision products in cluster simulations has usually been modelled using simplified prescriptions. Such prescriptions either replace the collision product with an (evolved) main sequence star, or assume that the collision ...
Glebbeek, E., Pols, O. R.
core   +1 more source

Asymptotic preserving Implicit-Explicit Runge-Kutta methods for non linear kinetic equations [PDF]

open access: yes, 2012
We discuss Implicit-Explicit (IMEX) Runge Kutta methods which are particularly adapted to stiff kinetic equations of Boltzmann type. We consider both the case of easy invertible collision operators and the challenging case of Boltzmann collision ...
Dimarco, G., Pareschi, L.
core   +3 more sources

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