Results 61 to 70 of about 157,953 (310)

Coordinated control of active disturbance rejection and grid voltage feedforward for grid‐connected inverters

open access: yesIET Power Electronics, EarlyView., 2022
This paper introduces the research on the inductance‐capacitor‐capacitor‐inductance grid‐connected inverter using active disturbance rejection and grid voltage feedforward coordinated control technology. The pade approximation is performed on the inductance‐capacitor‐capacitor‐inductance filter to derive the first‐order discretization mathematical ...
Guang‐Xin Zhong   +4 more
wiley   +1 more source

Simulasi Pemograman Pengendali PWM Kecepatan dengan Mikrokontroler Arduino berbasis Sensor Ultrasonik HC-SR04 pada Purwarupa Mobil Listrik

open access: yesAccurate, 2020
The braking process is the basis in the making of the PWM speed control system in order for electric cars to be able to stop automatically and increase the driving safety.
Dwi Aji Saputra   +3 more
doaj   +1 more source

An Integral Battery Charger with Power Factor Correction for Electric Scooter [PDF]

open access: yes, 2009
This paper presents an integral battery charger for an electric scooter with high voltage batteries and interior-permanent-magnet motor traction drive.
Armando, Eric Giacomo   +2 more
core   +2 more sources

Miniaturized Wireless tDCS With Concentric Electrodes for Targeted Cortical Stimulation in Freely Moving Mice

open access: yesAdvanced Healthcare Materials, EarlyView.
This study introduces a wireless and miniaturized concentric‐electrode tDCS (CE‐tDCS) system tailored for freely moving mice. The device enables focal and multi‐site cortical stimulation via a lightweight, Bluetooth‐controlled platform. By integrating local neuromodulation with real‐time behavioral analysis, the system provides a robust tool for ...
Minseok Kim   +5 more
wiley   +1 more source

Power quality enhancement in asymmetrical cascaded multilevel inverter using modified carrier level shifted pulse width modulation approach

open access: yesIET Power Electronics, EarlyView., 2022
New modified carrier‐based level shifted pulse width modulation approaches for single‐phase trinary dc source fed cascaded H‐bridge inverters are proposed in this article. In order to suppress the lower order harmonics, the carrier frequency is often tuned higher. However, switching and electromagnetic interference problems have a significant influence
Arun Vijayakumar   +4 more
wiley   +1 more source

Réalisation d’un régulateur solaire à base de microcontrôleur pour le contrôle de l’état de charge et la protection des accumulateurs

open access: yesRevue des Énergies Renouvelables, 2009
Dans notre travail, nous nous sommes intéressés à mener une recherche technologique sur l’utilisation de l’énergie photovoltaïque afin d’éclairer une route sombre.
S. Zaamta, A. Dib
doaj  

Analysis of VCO based noise shaping ADCs linearized by PWM modulation [PDF]

open access: yes, 2012
Nonlinearity is one of the main problems associated with VCO based noise shaping ADCs. Their open loop architecture does not permit correction of the nonlinear voltage to frequency response of the VCO by feedback.
Hernandez, Luis   +3 more
core   +2 more sources

Column-row addressing of thermo-optic phase shifters for controlling large silicon photonic circuits [PDF]

open access: yes, 2020
We demonstrate a time-multiplexed row-column addressing scheme to drive thermo-optic phase shifters in a silicon photonic circuit. By integrating a diode in series with the heater, we can connect $N \times M$ heaters in an matrix topology to $N$ row and $
Alves Júnior, Antônio Ribeiro   +5 more
core   +1 more source

Architected Soft Actuators for Artificial Musculoskeletal Systems

open access: yesAdvanced Materials, EarlyView.
An architected soft actuator uses a servo motor and a combination of 3D printed architected elastomers to extend and contract. The actuator exhibits high actuation stroke, force output, and power density for constructing bioinspired artificial musculoskeletal systems.
Taekyoung Kim   +3 more
wiley   +1 more source

A new symmetric modular eleven‐level inverter using single and double source unit for low voltage applications with reduced number of switches

open access: yesIET Power Electronics, EarlyView., 2023
This study introduces a new modular multilevel inverter that can produce five levels of positive voltage using only six power switches and five DC voltage sources. The basic unit is composed of a single‐ and double‐source (SDS) unit. SDS reduces the number of power electronic components, such as the insulated gate bipolar transistors, freewheeling ...
Naser Fakhri   +4 more
wiley   +1 more source

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