Results 21 to 30 of about 200,429 (137)

Broad Frequency Vibration Energy Harvesting Control Approach Based on the Maximum Power Transfer Theorem

open access: yesVolume 2: Control, Monitoring, and Energy Harvesting of Vibratory Systems; Cooperative and Networked Control; Delay Systems; Dynamical Modeling and Diagnostics in Biomedical Systems; Estimation and Id of Energy Systems; Fault Detection; Flow and Thermal Systems; Haptics and Hand Motion; Human Assistive Systems and Wearable Robots; Instrumentation and Characterization in Bio-Systems; Intelligent Transportation Systems; Linear Systems and Robust Control; Marine Vehicles; Nonholonomic Systems, 2013
A control law for an electromagnetic vibration energy harvester is derived using the maximum power transfer theorem. Using regenerative electronics, the controller cancels the reactive portion of the harvester’s impedance by eliminating the effect of mechanical inertia and stiffness elements, and the coil’s electrical inductive element.
Alexander V. Pedchenko, Eric J. Barth
openaire   +2 more sources

Optimal Placement and Sizing of Distributed Generators Based on a Novel MPSI Index [PDF]

open access: yes, 2014
The Objective: This paper presents a method to identify the optimal location and size of DGs based on the power stability index and particle swarm optimization (PSO) algorithm.Materials and methods: First, a novel maximum power stability index (MPSI) is ...
Abdalla, Ahmed N.   +3 more
core   +1 more source

Feedback Enhances Simultaneous Wireless Information and Energy Transmission in Multiple Access Channels [PDF]

open access: yes, 2017
In this report, the fundamental limits of simultaneous information and energy transmission in the two-user Gaussian multiple access channel (G-MAC) with and without feedback are fully characterized.
Amor, Selma Belhadj   +3 more
core   +3 more sources

Wireless Power Transfer in Massive MIMO Aided HetNets with User Association [PDF]

open access: yes, 2016
This paper explores the potential of wireless power transfer (WPT) in massive multiple input multiple output (MIMO) aided heterogeneous networks (HetNets), where massive MIMO is applied in the macrocells, and users aim to harvest as much energy as ...
Jin, Shi   +4 more
core   +2 more sources

Maximum power transfer in a real metal slit: an analytic approach.

open access: yesOptics Express, 2021
We present a fully analytic theory to study the power and field enhancement inside a real metal slit. A generalized formula for the reflection coefficient at the interface of the slit is derived.
Amrita Pati, R. Gordon
semanticscholar   +1 more source

On Thevenin-Norton and Maximum power transfer theorems

open access: yes, 2021
{keyword} keywords: Basic circuits, Implicit duality, Thevenin, Maximum power.
Narayanan, H., Narayanan, Hariharan
openaire   +2 more sources

Dynamic impedance compensation for wireless power transfer using conjugate power

open access: yesAIP Advances, 2018
Wireless power transfer (WPT) via coupled magnetic resonances has been in development for over a decade. However, the frequency splitting phenomenon occurs in the over-coupled region.
Suqi Liu, Jianping Tan, Xue Wen
doaj   +1 more source

Adaptive Fractional Order Terminal Sliding Mode Control of a Doubly Fed Induction Generator-Based Wind Energy System

open access: yesIEEE Access, 2017
The dynamic model of a doubly fed induction generator (DFIG)-based wind energy system is subjected to nonlinear dynamics, uncertainties, and external disturbances.
Nasim Ullah   +3 more
doaj   +1 more source

Robust Stability Under Mixed Time Varying, Time Invariant and Parametric Uncertainty [PDF]

open access: yes, 1995
Robustness analysis is considered for systems with structured uncertainty involving a combination of linear time-invariant and linear time-varying perturbations, and parametric uncertainty.
Paganini, Fernando
core   +1 more source

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