Results 1 to 10 of about 176,515 (218)

High-Voltage Isolated Multiple Output Auxiliary Power Supply with Output Voltage Self-Regulation

open access: yesEnergies, 2022
Power electronic transformers (PETs) have high voltage isolation requirements and a large number of modules, which requires the auxiliary power supply (APS) to achieve high voltage isolation and multiple outputs.
Yu Ai   +5 more
doaj   +1 more source

Vibration Energy Harvester Based on Bilateral Periodic One-Dimensional Acoustic Black Hole

open access: yesApplied Sciences, 2023
An acoustic black hole (ABH) has been applied in the regulation of structural performance to form the aggregation effect of elastic waves in the local area of the structure, which has been used in energy harvesting in recent years.
Zihao Zhang   +4 more
doaj   +1 more source

A mathematical model of the three-phase AC to DC voltage converter with fourzone voltage control and active-inductive load

open access: yesAdaptivni Sistemi Avtomatičnogo Upravlinnâ, 2021
The article focuses on electromagnetic processes in electric circuits with semiconductor switches. A mathematical model of a semiconductor converter with four-zone output voltage control has been created so as to analyse electromagnetic processes in ...
В. Михайленко   +2 more
doaj   +1 more source

Control Method for PEMFC Using Improved Deep Deterministic Policy Gradient Algorithm

open access: yesFrontiers in Energy Research, 2021
A data-driven PEMFC output voltage control method is proposed. Moreover, an Improved deep deterministic policy gradient algorithm is proposed for this method.
Jiawen Li, Yaping Li, Tao Yu
doaj   +1 more source

A mathematical model of the three-phase AC to DC voltage converter with threezone voltage control

open access: yesAdaptivni Sistemi Avtomatičnogo Upravlinnâ, 2023
The article focuses on electromagnetic processes in electric circuits with semiconductor switches. A mathematical model of a semiconductor converter with three-zone output voltage control has been created so as to analyse electromagnetic processes in ...
В. Михайленко   +6 more
doaj   +1 more source

Study of the electromagnetic processes in a converter wirh four zoned regulations of the voltage

open access: yesAdaptivni Sistemi Avtomatičnogo Upravlinnâ, 2023
The article focuses on electromagnetic processes in electric circuits with semiconductor switches. A mathematical model of a semiconductor converter with four-zone output voltage control has been created so as to analyse electromagnetic processes in ...
V. Mykhailenko   +3 more
doaj   +1 more source

Dynamic switching control of buck converters using unsupervised machine learning methods

open access: yesThe Journal of Engineering, 2020
This study presents the implementation of a new unsupervised machine learning based system called a buck converter controller using unsupervised machine learning (ABCML) to control the operation of a type of switching voltage regulators, commonly called ...
Brook W. Abegaz
doaj   +1 more source

Fully Digital Current Mode Constant On-Time Controlled Buck Converter With Output Voltage Offset Cancellation

open access: yesIEEE Access, 2021
Fully digital current mode constant on-time (COT) control buck converter with output voltage offset cancellation is presented in this paper. Current mode COT can achieve fast transient response and low output voltage ripple with additional current path ...
Kai-Yu Hu   +3 more
doaj   +1 more source

Power Quality Analysis of the Output Voltage of AC Voltage and Frequency Controllers Realized with Various Voltage Control Techniques

open access: yesApplied Sciences, 2021
Single-phase and three-phase AC-AC converters are employed in variable speed drive, induction heating systems, and grid voltage compensation. They are direct frequency and voltage controllers having no intermediate power conversion stage.
Naveed Ashraf   +3 more
doaj   +1 more source

Double dual slope square rooter

open access: yesThe Journal of Engineering, 2014
A circuit which accepts input dc voltage V(I) and produce an output voltage V(O) = √V(I)V(T) by using double dual slope principle is described in this Letter. V(T) is a constant voltage which is fixed by two resistors and a power supply voltage. By using
Krishnagiri Chinnathambi Selvam
doaj   +1 more source

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