New framework for nanoindentation curve fitting and measurement uncertainty estimation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00177016%3A_____%2F23%3AN0000102" target="_blank" >RIV/00177016:_____/23:N0000102 - isvavai.cz</a>
Alternative codes found
RIV/00216224:14310/24:00139805
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0141635923001848" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0141635923001848</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.precisioneng.2023.10.001" target="_blank" >10.1016/j.precisioneng.2023.10.001</a>

Result language
angličtina
Original language name
New framework for nanoindentation curve fitting and measurement uncertainty estimation
Original language description
Uncertainty quantification is a vital component of any measurement process and is indispensable for comparing results obtained by different methods, instruments, or laboratories. The processing of the measured data often relies on fitting the data by a given function. Common methods such as ordinary nonlinear least squares are not capable of treating general uncertainties and correlations in both dependent and independent variables. A new computation method for nonlinear curve fitting to data with a general covariance structure is introduced. This method is applied to the Oliver-Pharr analysis of unloading curves and differences between different regression methods are addressed. Numerical simulations show that the new method yields parameter estimates in agreement with other methods for simple covariance structures. The obtained uncertainty estimates are in agreement with Monte Carlo studies.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10103 - Statistics and probability

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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