Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/54779
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dc.titleA review of curve fitting error criteria for solar cell I-V characteristics
dc.contributor.authorPhang, J.C.H.
dc.contributor.authorChan, D.S.H.
dc.date.accessioned2014-06-16T09:34:43Z
dc.date.available2014-06-16T09:34:43Z
dc.date.issued1986-07
dc.identifier.citationPhang, J.C.H.,Chan, D.S.H. (1986-07). A review of curve fitting error criteria for solar cell I-V characteristics. Solar Cells 18 (1) : 1-12. ScholarBank@NUS Repository.
dc.identifier.issn03796787
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/54779
dc.description.abstractVarious methods for recovering solar cell lumped circuit model parameters from experimental characteristics are briefly reviewed. The advantages of extracting parameters from illuminated characteristics are highlighted. These include the availability of accurate analytical expressions developed recently. A commonly used method of parameter recovery by curve fitting minimises σ which is defined as the r.m.s. of the relative current errors between the experimental and theoretical characteristics. This method is demonstrated to be unreliable when used with characteristics which have been collected by linear analogue to digital systems, or which have certain data point distributions. A more reliable minimisation criterion ε{lunate} is proposed. ε{lunate} is based on the area difference between the experimental and theoretical characteristics. Computation experiments show that the use of ε{lunate} results in much more accurate parameter recovery for both dark and illuminated characteristics, and that its accuracy is almost independent of data point distribution. ε{lunate} also provides a good basis for comparing the quality of fit of theoretical models to experimental characteristics. © 1986.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentELECTRICAL ENGINEERING
dc.description.sourcetitleSolar Cells
dc.description.volume18
dc.description.issue1
dc.description.page1-12
dc.identifier.isiutNOT_IN_WOS
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