Results 81 to 90 of about 12,103 (274)

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

Post-manoeuvre and online parameter estimation for manned and unmanned aircraft [PDF]

open access: yes, 2013
Parameterised analytical models that describe the trimmed inflight behaviour of classical aircraft have been studied and are widely accepted by the flight dynamics community.
Jameson, Pierre-Daniel
core  

Development of Algal Bloom Removal System Using Unmanned Aerial Vehicle and Surface Vehicle

open access: yesIEEE Access, 2017
Recently, owing to changes in weather conditions, cyanobacterial blooms, also known as harmful algal blooms (HABs), have caused serious damage to the ecosystems of rivers and lakes by producing cyanotoxins.
Sungwook Jung   +5 more
doaj   +1 more source

ENDURUNS: An Integrated and Flexible Approach for Seabed Survey Through Autonomous Mobile Vehicles

open access: yesJournal of Marine Science and Engineering, 2020
The oceans cover more than two-thirds of the planet, representing the vastest part of natural resources. Nevertheless, only a fraction of the ocean depths has been explored.
Simone Marini   +27 more
doaj   +1 more source

Assessing plant water status: Part 2 – Non‐destructive and remote sensing approaches

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Precise, real time and non‐destructive assessment of plant water status is important for advancing plant physiological understanding, optimizing water usage, improving crop resilience and supporting precision agriculture in the face of increasingly variable climatic conditions.
Naila Farooq   +7 more
wiley   +1 more source

Design and implement of a trimaran unmanned surface vehicle system

open access: yes, 2007
This paper describes recent research on system design of a Trimaran Unmanned Surface Vehicle (TUSV) control system and a control scheme for such a vehicle.
Wang H(王贺)   +3 more
core  

Key technologies and intelligence evolution of maritime UV

open access: yesZhongguo Jianchuan Yanjiu, 2018
In recent years, the technologies of maritime Unmanned Vehicle (UV) have developed rapidly,and especially because the development of artificial intelligence technology,it has made great breakthroughs in the functions and performance of the maritime UV ...
JIN Kefan   +4 more
doaj   +1 more source

Impacts of Climate Change on Food Security: Land Management–Based Strategies Within a Nature‐Based Solutions Framework

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Climate change poses serious threats to food security by affecting agricultural production processes in multiple ways. This study aims to analyze land management–based solution strategies that can be developed in response to this threat and presents a systematic and holistic framework through the relationship these strategies establish with ...
Nihal Genc, H. Ebru Colak
wiley   +1 more source

Vision based strategies for implementing Sense and Avoid capabilities onboard Unmanned Aerial Systems

open access: yes, 2011
Current research activities are worked out to develop fully autonomous unmanned platform systems, provided with Sense and Avoid technologies in order to achieve the access to the National Airspace System (NAS), flying with manned airplanes.
Forlenza, Lidia
core  

Design & modelling of a composite rudderless aeroelastic fin structure [PDF]

open access: yes, 2010
This thesis presents the study of a gapless and rudderless aeroelastic fin (GRAF) to enhance the directional stability and controllability of an aircraft. The GRAF concept was proposed and developed in the wake of previous research, targeted to improve
Trapani, Matteo
core  

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