Results 11 to 20 of about 131,396 (199)

Approaching Electrical Circuit Understanding with Circuit Builder Virtual Laboratory

open access: yesJurnal Ilmiah Pendidikan Fisika Al-Biruni, 2020
Nowadays, most students are familiar with the notebook for daily use. The compactness and flexibility of the notebook offer more benefits than a PC. The teachers can engage it during teaching physics.
Purwoko Haryadi Santoso, Nino Munawanto
doaj   +1 more source

Capacitor-Less Low-Dropout (LDO) Regulator With 99.99% Current Efficiency Using Active Feedforward and Reverse Nested Miller Compensations

open access: yesIEEE Access, 2019
In this paper, an output capacitor-less low-dropout (LDO) regulator with 99.99% current efficiency using active feedforward compensation (AFFC) and reverse nested Miller compensation (RNMC) is implemented.
Gwang Sub Kim   +3 more
doaj   +1 more source

Positive electrical circuits with the chain structure and cyclic Metzler state matrices [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2021
The cyclicity of the state matrices of positive linear electrical circuits with the chain structure is considered. Two classes of positive linear electrical circuits with the chain structure and cyclic Metzler state matrices are analyzed.
Tadeusz Kaczorek
doaj   +1 more source

Study on the Influence of Reignition on Electrical Life Distribution of Low-Voltage Circuit Breakers

open access: yesIEEE Access, 2021
This study analyzes the recovery voltage changes when a low-voltage circuit breaker opens with load and short-circuit faults and explains the reignition types under different recovery voltages.
Zhengjun Liu   +2 more
doaj   +1 more source

Research of Aviation Electric Arc and Short Circuit Damage and Protection

open access: yesHangkong gongcheng jinzhan, 2020
Aviation electric arc and short circuit may lead to irreparable loss. It is of great significance to study the harm of aviation electric arc and short circuit and its protection measures.
CAO Tao
doaj   +1 more source

SISTEM PROTEKSI TEGANGAN SENTUH PADA INSTALASI LISTRIK BERBASIS EARTH LEAGAGE CIRCUIT BREAKER (ELCB)

open access: yesAl-Ulum, 2021
An electrical installation is a series of electrical installation equipment that connects an conductor with the electrical equipment used (consumers). The protection factor (safety) is a consideration that must be considered in designing an electrical ...
Syarifil Anwar
doaj   +1 more source

A new extension of the Cayley-Hamilton theorem to fractional different orders linear systems [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2022
The classical Cayley–Hamilton theorem is extended to fractional different order linear systems. The new theorems are applied to different orders fractional linear electrical circuits. The applications of new theorems are illustrated by numerical examples.
Tadeusz Kaczorek
doaj   +1 more source

Automated video-based assessment of facial bradykinesia in de-novo Parkinson’s disease

open access: yesnpj Digital Medicine, 2022
Even though hypomimia is a hallmark of Parkinson’s disease (PD), objective and easily interpretable tools to capture the disruption of spontaneous and deliberate facial movements are lacking.
Michal Novotny   +5 more
doaj   +1 more source

Automated analysis of connected speech reveals early biomarkers of Parkinson’s disease in patients with rapid eye movement sleep behaviour disorder

open access: yesScientific Reports, 2017
For generations, the evaluation of speech abnormalities in neurodegenerative disorders such as Parkinson’s disease (PD) has been limited to perceptual tests or user-controlled laboratory analysis based upon rather small samples of human vocalizations ...
Jan Hlavnička   +5 more
doaj   +1 more source

VASIR: Open-Source Android Application for Visual Analog Scale Intelligibility Rating of Dysarthric Speech

open access: yesIEEE Access
We present an open-source application for mobile devices called VASIR that provides a reliable and sensitive tool for accessible intelligibility rating using visual analog scales. VASIR is validated by examining the intelligibility in 23 Parkinson’
Petr Kryze   +7 more
doaj   +1 more source

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