{"title":"负温度系数热敏电阻选点策略研究","authors":"Aiju Li, Zhiping Liu, Xisong Cai, Haitao Wang","doi":"10.1007/s12647-024-00751-4","DOIUrl":null,"url":null,"abstract":"<div><p>Negative temperature coefficient thermistors have a high degree of nonlinearity in the resistance–temperature curve, which needs to be fitted with equations in practical applications. The effects of the number of selected points and the way of point selection on the fitting results of different equations in the range of (−50 to 100) °C are explored, and the results show that selecting 11 fitting points with the temperature/resistance combination method can improve the accuracy of S–H fitting, which is suitable for fields with lower precision requirements. For high-precision measurements, the Hoge-2 and Hoge-3 equations should be used with a temperature uniformity point selection method, and the optimal number of fitting points is 11 and 6, respectively.</p></div>","PeriodicalId":689,"journal":{"name":"MAPAN","volume":null,"pages":null},"PeriodicalIF":1.0000,"publicationDate":"2024-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Study of Point Selection Strategies for Fitting Negative Temperature Coefficient Thermistors\",\"authors\":\"Aiju Li, Zhiping Liu, Xisong Cai, Haitao Wang\",\"doi\":\"10.1007/s12647-024-00751-4\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Negative temperature coefficient thermistors have a high degree of nonlinearity in the resistance–temperature curve, which needs to be fitted with equations in practical applications. The effects of the number of selected points and the way of point selection on the fitting results of different equations in the range of (−50 to 100) °C are explored, and the results show that selecting 11 fitting points with the temperature/resistance combination method can improve the accuracy of S–H fitting, which is suitable for fields with lower precision requirements. For high-precision measurements, the Hoge-2 and Hoge-3 equations should be used with a temperature uniformity point selection method, and the optimal number of fitting points is 11 and 6, respectively.</p></div>\",\"PeriodicalId\":689,\"journal\":{\"name\":\"MAPAN\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.0000,\"publicationDate\":\"2024-04-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"MAPAN\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s12647-024-00751-4\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"INSTRUMENTS & INSTRUMENTATION\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"MAPAN","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1007/s12647-024-00751-4","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"INSTRUMENTS & INSTRUMENTATION","Score":null,"Total":0}
A Study of Point Selection Strategies for Fitting Negative Temperature Coefficient Thermistors
Negative temperature coefficient thermistors have a high degree of nonlinearity in the resistance–temperature curve, which needs to be fitted with equations in practical applications. The effects of the number of selected points and the way of point selection on the fitting results of different equations in the range of (−50 to 100) °C are explored, and the results show that selecting 11 fitting points with the temperature/resistance combination method can improve the accuracy of S–H fitting, which is suitable for fields with lower precision requirements. For high-precision measurements, the Hoge-2 and Hoge-3 equations should be used with a temperature uniformity point selection method, and the optimal number of fitting points is 11 and 6, respectively.
期刊介绍：
MAPAN-Journal Metrology Society of India is a quarterly publication. It is exclusively devoted to Metrology (Scientific, Industrial or Legal). It has been fulfilling an important need of Metrologists and particularly of quality practitioners by publishing exclusive articles on scientific, industrial and legal metrology.
The journal publishes research communication or technical articles of current interest in measurement science; original work, tutorial or survey papers in any metrology related area; reviews and analytical studies in metrology; case studies on reliability, uncertainty in measurements; and reports and results of intercomparison and proficiency testing.
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