Results 21 to 30 of about 39,263 (228)
Assessment of the necessary conditions for robot-assisted surgery in the nasal cavity [PDF]
Наука и инновации в медицине, 2021 Objectives - to determine the necessary conditions for performing robot-assisted operations in the nasal cavity. Material and methods. We have investigated the movement of an endoscope in space by measurements based on high-resolution computed ...
Oleg V. Mareev +3 more
doaj +1 more source
Energies, 2020 Wind Diesel Power Systems (WDPS) are isolated microgrids which combine Wind Turbine Generators (WTGs) with Diesel Generators (DGs). The WDPS modelled in this article is composed of a DG, a WTG, consumer load, Dump Load (DL) and a Flywheel Energy Storage ...
Rafael Sebastián, Rafael Peña-Alzola
doaj +1 more source
Optimal frequency control in microgrid system using fractional order PID controller using Krill Herd algorithm [PDF]
, 2020 This paper investigates the use of fractional order Proportional, Integral and Derivative (FOPID) controllers for the frequency and power regulation in a microgrid power system. The proposed microgrid system composes of renewable energy resources such as
Gabbar, Hossam +4 more
core +1 more source
Applied Sciences, 2021 This paper presents the energy management and control system design of an integrated flywheel energy storage system (FESS) for residential users. The proposed FESS is able to draw/deliver 8 kWh at 8 kW, and relies on a large-airgap surface-mounted ...
Andrea Floris +3 more
doaj +1 more source
Radiative efficiencies for fluorinated esters: indirect global warming potentials of hydrofluoroethers [PDF]
, 2011 Density Functional Theory (DFT) has been used with an empirically-derived correction for the wavenumbers of vibrational band positions to predict the infrared spectra of several fluorinated esters (FESs). Radiative efficiencies (REs) were then determined
Aranda, A +5 more
core +1 more source
Energy Reports, 2022 Energy storage technology is becoming indispensable in the energy and power sector. The flywheel energy storage system (FESS) offers a fast dynamic response, high power and energy densities, high efficiency, good reliability, long lifetime and low ...
J.W. Zhang +3 more
doaj +1 more source
IEEE Access, 2023 Finding efficient and satisfactory energy storage systems (ESSs) is one of the main concerns in the industry. Flywheel energy storage system (FESS) is one of the most satisfactory energy storage which has lots of advantages such as high efficiency, long ...
Reza Takarli +7 more
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An Accurate Discrete Current Controller for High-Speed PMSMs/Gs in Flywheel Applications
Energies, 2020 High-speed Permanent-Magnet Synchronous Motors/Generators (PMSMs/Gs) in a Flywheel Energy Storage System (FESS) are faced with high cross-coupling voltages and low switching-to-fundamental frequency ratios.
Xiang Zhang +4 more
doaj +1 more source
Anatomically Constrained Video-CT Registration via the V-IMLOP Algorithm
, 2016 Functional endoscopic sinus surgery (FESS) is a surgical procedure used to treat acute cases of sinusitis and other sinus diseases. FESS is fast becoming the preferred choice of treatment due to its minimally invasive nature.
BB Avants +11 more
core +1 more source
Chronic sinusitis diagnosis and treatment
Journal of Education, Health and Sport, 2023 The growing popularity and use of endoscopic surgery in the field of otolaryngology prompts an attempt to organize knowledge about possible methods of surgery in the nasal cavity and paranasal sinuses.
Tomasz Korzec +9 more
doaj +1 more source