Results 121 to 130 of about 207,288 (348)

Public Perception of Unmanned Aerial Vehicles

open access: yes, 2011
This study explored public risk perception of unmanned aerial vehicles (UAV) for civilian commercial operations, including cargo and passenger transportation.
Tam, Alice
core  

Development of a novel platform for greater situational awareness in the urban military terrain

open access: yes, 2009
The conflicts in Afghanistan and Iraq and the more recent war in the Gaza Strip have emphasized the need for novel platforms which provide for greater situational awareness in the urban terrain.
Mehmet Ali Erbil   +13 more
core   +1 more source

Separated spacecraft attitude algorithm research based on star sensor multi-information fusion

open access: yesAIP Advances
Faced with the problem of poor anti-interference ability of star map recognition technology, in order to improve its anti-interference ability and achieve higher attitude measurement accuracy, this article proposes a star map recognition method based on ...
Xinmei Wang, Hui Zhang, Xiaodong Gao
doaj   +1 more source

СИСТЕМА АВТОМАТИЧЕСКОГО УПРАВЛЕНИЯ БЕСПИЛОТНОГО ЛЕТАТЕЛЬНОГО АППАРАТА

open access: yesАвтоматизация технологических и бизнес-процессов, 2017
The article deals with the use of unmanned aerial vehicles as in industry in general and as in individual branches. The operation of unmanned aerial vehicles in the agricultural sector is described in more detail.
К. О. Габуев   +3 more
doaj   +1 more source

COMMUNICATION SUBSYSTEM OF CONTROL SYSTEMS OF UNMANNED AIRCRAFT UNDER EMERGENCY CONDITIONS

open access: yesИзмерение, мониторинг, управление, контроль, 2022
Background. The article is devoted to the construction on the basis of the principle of the hierarchy of the communication subsystem of a mobile telemedicine complex equipped with a heterogeneous group of unmanned aerial vehicles and functioning in ...
N. Bayanbay   +4 more
doaj   +1 more source

Hole transporting materials in inverted flexible perovskite solar cells: Challenges, progress, and perspectives

open access: yesFlexMat, EarlyView.
The buried interface is a critical determinant of efficiency and stability in inverted flexible perovskite solar cells (IFPSCs). This Perspective summarizes advances in hole transporting materials for IFPSCs, including polymeric, small‐molecule, inorganic, and hybrid systems, and discusses the prospects and feasibility of emerging molecular design and ...
Xianglang Sun, Jiawei Leng, Zhong'an Li
wiley   +1 more source

Three-dimensional formation flying using bifurcating potential fields

open access: yes, 2009
This paper describes the design of a three-dimensional formation flying guidance and control algorithm for a swarm of autonomous Unmanned Aerial Vehicles (UAVs), using the new approach of bifurcating artificial potential fields.
Uchiyama, Kenji   +8 more
core   +1 more source

Genomic selection for nitrogen use efficiency in perennial ryegrass (Lolium perenne L.) under field conditions

open access: yesGrassland Research, EarlyView.
There is genetic variation in ryegrass for the ability to respond to nitrogen fertilizer, Breeding nitrogen use efficient cultivars can increase farm profitability and sustainability. Abstract Background Improving the nitrogen use efficiency (NUE) of pastures has the benefit of reducing costs of production and reducing nitrogen loss to the environment.
Junping Wang   +6 more
wiley   +1 more source

Autonomous Approach and Landing Algorithms for Unmanned Aerial Vehicles

open access: yes, 2011
In recent years, several research activities have been developed in order to increase the autonomy features in Unmanned Aerial Vehicles (UAVs), to substitute human pilots in dangerous missions or simply in order to execute specific tasks more efficiently
De Lellis, Ettore
core  

Enviromics crosstalk between internal and external plant environments for enhanced adaptation and de novo domestication

open access: yesiMeta, EarlyView.
Climate change demands accelerated plant adaptation and de novo domestication. Yet current enviromics focuses disproportionately on external environments, neglecting internal dynamics—gene expression, metabolic flux, and signal transduction—within predictive envirotyping frameworks.
Lin‐An Zhang   +8 more
wiley   +1 more source

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