Results 41 to 50 of about 669,834 (184)

Coulometer battery state-of-charge indicator [PDF]

open access: yes, 1970
Mercury-column electrochemical coulometer is a linear ampere-hour integrating device consisting of a sealed glass tube containing two columns of mercury separated by a gap containing an electrolyte. The drive circuit uses operational amplifier techniques
Birchenough, A. G., Secunde, R.
core   +1 more source

Rechargeable, silver-zinc battery conditioner/monitor unit and state-of-charge indicator [PDF]

open access: yes, 1974
Unit automatically charges batteries to desired state-of-charge levels, monitors functional battery parameter data both on meters and printer, and automatically activates alarm in event of battery malfunctions.
Thomas, C. E.
core   +1 more source

Characterizing Smartphone Power Management in the Wild

open access: yes, 2016
For better reliability and prolonged battery life, it is important that users and vendors understand the quality of charging and the performance of smartphone batteries. Considering the diverse set of devices and user behavior it is a challenge.
Hoque, Mohammad A., Tarkoma, Sasu
core   +1 more source

Complementary EV Scheduling in Peer-to-Peer Energy Markets

open access: yesIEEE Access
The adoption of electric vehicles (EVs) is accelerating and is expected to continue growing alongside the decentralization of energy markets. This paper presents an EV charging algorithm tailored for decentralized peer-to-peer (P2P) transactive energy ...
Mahdi A. Mohammed   +3 more
doaj   +1 more source

Lithium-Ion Battery SoC Equilibrium: An Artificial Potential Field-Based Method

open access: yesEnergies, 2020
Battery balance methods are the key technology to ensure the safe and efficient operation of the energy storage systems. Nevertheless, convenient balance methods experience slow convergence and difficult to adapt to quick charging applications.
Hongtao Liao   +7 more
doaj   +1 more source

Real-Time Implementation of an Extended Kalman Filter and a PI Observer for State Estimation of Rechargeable Li-Ion Batteries in Hybrid Electric Vehicle Applications—A Case Study

open access: yesBatteries, 2018
The Li-Ion battery state-of-charge estimation is an essential task in a continuous dynamic automotive industry for large-scale and successful marketing of hybrid electric vehicles.
Roxana-Elena Tudoroiu   +3 more
doaj   +1 more source

Determination of Lithium-Ion Battery Capacity for Practical Applications

open access: yesBatteries, 2023
Batteries are becoming highly important in automotive and power system applications. The lithium-ion battery, as the fastest growing energy storage technology today, has its specificities, and requires a good understanding of the operating ...
Hrvoje Bašić   +2 more
doaj   +1 more source

Stealing Our Smarts: Indigenous knowledge in On-Line Learning

open access: yesSeminar.net, 2005
Tell me what you know….Knowledge  and knowing can be a very tricky thing.  Reflect on what you are fairly certain that you know. Self-certainty in human knowledge is a function of metacognition primarily.
Alison A. Carr-Chellman
doaj  

Enhanced Virtual Synchronous Generator with Angular Frequency Deviation Feedforward and Energy Recovery Control for Energy Storage System

open access: yesMathematics
Frequency control is one of the most important tasks in electric power systems. At the same time, in modern power systems with inertia-free converter-interfaced generation, this task has become more complex.
Alisher Askarov   +5 more
doaj   +1 more source

The Mixed State of Charge-Density-Wave in a Ring-Shaped Single Crystals

open access: yes, 2007
Charge-density-wave (CDW) phase transition in a ring-shaped crystals, recently synthesized by Tanda et al. [Nature, 417, 397 (2002)], is studied based on a mean-field-approximation of Ginzburg-Landau free energy.
G. Grüner   +7 more
core   +1 more source

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