Results 21 to 30 of about 4,000,570 (355)

Outdoor location scheme with fingerprinting based on machine learning of mobile cellular network

open access: yesDianxin kexue, 2021
The positioning scheme based on mobile cellular network technology is one of the important technical approaches to provide network optimization, emergency rescue, police patrol and location services.The traditional positioning scheme based on cell base ...
Zhichao ZHOU   +7 more
doaj  

A survey on cyber security for smart grid communications [PDF]

open access: yes, 2012
A smart grid is a new form of electricity network with high fidelity power-flow control, self-healing, and energy reliability and energy security using digital communications and control technology. To upgrade an existing power grid into a smart grid, it
Qian, Y, Sharif, H, Tipper, D, Yan, Y
core   +1 more source

Techno-Economic-Environmental Assessment of Stand-alone Hybrid Renewable Energy System for Different Batteries using HOMER-Pro [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences
The whole world is now widely using green energy compared to fossil because of the depletion of fossil fuels, the rising temperature of the earth, and changing weather conditions, all these things are becoming a big threat to the life of the earth.
Abhishek Solanki   +7 more
doaj   +1 more source

A Concept for Attribute-Based Authorization on D-Grid Resources [PDF]

open access: yes, 2008
In Germany's D-Grid project numerous Grid communities are working together to provide a common overarching Grid infrastructure. The major aims of D-Grid are the integration of existing Grid deployments and their interoperability.
Gietz, P.   +6 more
core   +1 more source

Developing of Digital Terrain Model in Civil 3D for calculating the volumes for the Kelmend Landfill [PDF]

open access: yesMicro, Macro & Mezzo Geoinformation, 2014
The Republic of Kosovo is a famous place with real underground. Along with rich mineral exploitation great importance to the management of mining waste which remain as a result of the processing of minerals.
Edon MALIQI   +3 more
doaj  

A Novel QoS-Awared Grid Routing Protocol in the Sensing Layer of Internet of Vehicles Based on Reinforcement Learning

open access: yesIEEE Access, 2019
This paper proposes a novel Quality of Service (QoS) grid routing protocol in Wireless Multimedia Sensor Networks (WMSN) based on reinforcement learning to guarantee Quality of Service in WMSN based on the sensing layer of the Internet of Vehicles (IoV).
Denghui Wang   +3 more
doaj   +1 more source

Study of Grid in Two Banna'i Inscriptions of Goharshad Mosque and Its Application in Designing the Letters [PDF]

open access: yesنگره, 2020
Writing system has been evolved during several centuries and through several stages, each stage requiring decades and hundreds of years. The most complete level of a writing system is the alphabetic writing system.
abdolreza chareie   +1 more
doaj   +1 more source

Comparative Study of Ramp-Rate Control Algorithms for PV with Energy Storage Systems

open access: yesEnergies, 2019
The high variability of solar irradiance, originated by moving clouds, causes fluctuations in Photovoltaic (PV) power generation, and can negatively impact the grid stability.
João Martins   +4 more
doaj   +1 more source

Digital Trade Feature Map: A New Method for Visualization and Analysis of Spatial Patterns in Bilateral Trade

open access: yesISPRS International Journal of Geo-Information, 2020
Product bilateral trade features can be organized and expressed in the Cartesian coordinate system by taking imports and exports as X and Y, which is similar to spatial visualization. Hence, geospatial expression and analysis methodologies can be applied
Sijing Ye   +8 more
doaj   +1 more source

Electric Vehicle Charge Stations Location Analysis and Determination—Ankara (Turkey) Case Study

open access: yesEnergies, 2019
Locating electric vehicle charge stations has always been an important problem for electric distributers. Many basic and complex solutions have been provided by algorithms and methods to solve this problem in real and assumed grids.
Tohid Harighi   +4 more
doaj   +1 more source

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