Non-parametric estimates of the first hitting time of Li-ion battery

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60162694%3AG42__%2F18%3A00534322" target="_blank" >RIV/60162694:G42__/18:00534322 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60162694:G43__/18:00534322

Výsledek na webu

<a href="http://www.sciencedirect.com/science/article/pii/S0263224117305250" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0263224117305250</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.measurement.2017.08.030" target="_blank" >10.1016/j.measurement.2017.08.030</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Non-parametric estimates of the first hitting time of Li-ion battery

Popis výsledku v původním jazyce

Requirements for stable and reliable power sources are almost inseparable part of technical specifications. In this article, we deal with monitoring the capability of Li-ion batteries. We want to determine the time period for which their function will be guaranteed in the course of operation in different operational conditions. These conditions are represented by distinct temperature levels and various discharge currents. Capability monitoring is performed experimentally and mathematically. Within the experiments a decrease in battery voltage is monitored at different ambient temperature levels and discharge currents. Then, discharge courses are modelled and simulated using Wiener processes to obtain a set of time points when the battery voltage drops below a critical value. The first hitting time, i.e., a guaranteed period of an up-state with respect both to given operating conditions and critical threshold, is assessed by non-parametric methods, namely by the kernel density estimation. The results of testing, modelling and simulation provide an interesting picture about Li-ion battery operational behaviour. The outcomes acquired here are applicable in all the technical areas where Li-ion batteries are used and where guaranteed time of the battery safe and reliable operation in various climatic conditions is required.

Název v anglickém jazyce

Non-parametric estimates of the first hitting time of Li-ion battery

Popis výsledku anglicky

Requirements for stable and reliable power sources are almost inseparable part of technical specifications. In this article, we deal with monitoring the capability of Li-ion batteries. We want to determine the time period for which their function will be guaranteed in the course of operation in different operational conditions. These conditions are represented by distinct temperature levels and various discharge currents. Capability monitoring is performed experimentally and mathematically. Within the experiments a decrease in battery voltage is monitored at different ambient temperature levels and discharge currents. Then, discharge courses are modelled and simulated using Wiener processes to obtain a set of time points when the battery voltage drops below a critical value. The first hitting time, i.e., a guaranteed period of an up-state with respect both to given operating conditions and critical threshold, is assessed by non-parametric methods, namely by the kernel density estimation. The results of testing, modelling and simulation provide an interesting picture about Li-ion battery operational behaviour. The outcomes acquired here are applicable in all the technical areas where Li-ion batteries are used and where guaranteed time of the battery safe and reliable operation in various climatic conditions is required.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

50902 - Social sciences, interdisciplinary

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Measurement

ISSN

0263-2241

e-ISSN

1873-412X

Svazek periodika

113

Číslo periodika v rámci svazku

Leden 2018

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

10

Strana od-do

82-91

Kód UT WoS článku

000411767300009

EID výsledku v databázi Scopus

2-s2.0-85028730281