نتایج جستجو برای: battery charge measurement

تعداد نتایج: 616187  

Journal: :Network Protocols & Algorithms 2009
Michael Segal

A wireless sensor network consists from a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited battery charge. The battery charge is reduced after each transmission, depending on the transmission distance. One of the major problems in wireless ad hoc network is designing a route network traffic algorithm that will maximize the lifetime of the network i...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...

2015
Mostafa Sabbaghi Behzad Esmaeilian Ardeshir Raihanian Mashhadi Willie Cade Sara Behdad

In this paper, a data set of Lithium-ion (Li-ion) laptop batteries has been studied with the aim of investigating the potential reusability of laptop batteries. This type of rechargeable batteries is popular due to their energy efficiency and high reliability. Therefore, understanding the life cycle of these batteries and improving the recycling process is becoming increasingly important. The r...

2003
M. Handy

For the simulation of protocols and algorithms of mobile devices, an ideal energy source, i.e. a battery with linear charge and discharge characteristics, is often assumed. However, real batteries like lithium-ion cells show nonlinear behavior, taking Rate Capacity Effect and Recovery Effect into account. The battery model presented by Rakhmatov and Vrudhula models non-linear battery behavior a...

2017
Tsung-Hsi Wu Chih-Hao Hou Hai-Wen Li

The operation of a battery power bank with series-connected buck–boost-type battery power modules (BPMs) was investigated in this study. Each BPM consisted of a battery pack with an associated buck–boost converter for individually controlling battery currents. With a proposed discharging scenario, load voltage regulation with charge equalization among batteries was performed by controlling the ...

2014
A. Vlad N. Singh J. Rolland S. Melinte P. M. Ajayan J.-F. Gohy

High energy and high power electrochemical energy storage devices rely on different fundamental working principles--bulk vs. surface ion diffusion and electron conduction. Meeting both characteristics within a single or a pair of materials has been under intense investigations yet, severely hindered by intrinsic materials limitations. Here, we provide a solution to this issue and present an app...

2013
Martina Carmona-Perera Alfonso Caracuel Antonio Verdejo-García Miguel Perez-García

The cognitive and emotional neuropsychological processes underlying moral judgments are the focus of groundbreaking research in understanding moral cognition. The aim of this study is to adapt to Spanish the moral dilemmas battery of Moore. This battery presents a set of moral dilemmas from a utilitarian choice (assuming an emotionally aversive behaviour for a higher benefit) and a non-utilitar...

Journal: :Future Internet 2017
Ashish Rauniyar Muhammad Irfan Oka Danil Saputra Jin Woo Kim Ah Ra Lee Jae Min Jang Soo Young Shin

In this paper, real-time monitoring of multiple lead-acid batteries based on Internet of things is proposed and evaluated. Our proposed system monitors and stores parameters that provide an indication of the lead acid battery’s acid level, state of charge, voltage, current, and the remaining charge capacity in a real-time scenario. To monitor these lead–acid battery parameters, we have develope...

2013
Zheng Chen Chunting Chris Mi Yuhong Fu Jun Xu Xianzhi Gong

State of health (SOH) of batteries in electric and hybrid vehicles can be observed using some battery parameters. Based on a resistanceecapacitance circuit model of the battery and data obtained from abundant experiments, it was observed that the diffusion capacitance shows great correlation with SOH of a lithium-ion battery. However, accurate measurement of this diffusion capacitance in real t...

2001
S. K. Sinha K. Muthukumar

A Radial Basis Function based learning system method has been proposed for estimation of State of Charge (SOC) of lead Acid battery. Coulomb metric method is used for SOC estimation with correction factor computed by Radial Basis Function method. Radial Basis function based technique is used for learning battery performance variation with time and other parameters. Experimental results are incl...

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