{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,14]],"date-time":"2025-10-14T07:11:28Z","timestamp":1760425888082,"version":"build-2065373602"},"reference-count":30,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2020,9,3]],"date-time":"2020-09-03T00:00:00Z","timestamp":1599091200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>The non-linear characteristic of a non-contacting Inductive Proximity Sensor (IPS) with the temperature affects the computation accuracy when measuring the target distance in real time. The linear model based method for distance estimation shows a large deviation at a low temperature. Accordingly, this paper presents a non-linear measurement model, which computes the target distance accurately in real time within a wide temperature range from \u221255\u00a0\u00b0C to 125\u00a0\u00b0C. By revisiting the temperature effect on the IPS system, this paper considers the non-linear characteristic of the IPS measurement system due to the change of temperature. The proposed model adopts a non-linear polynomial algorithm rather than the simple linear Look-Up Table (LUT) method, which provides more accurate distance estimation compared to the previous work. The introduced model is fabricated in a 0.18 \u03bcm Complementary Metal Oxide Semiconductor (CMOS) process and packaged in a CQFN40. For the most commonly used sensing distance of 4 mm, the computed distance deviation of the Application-Specific Integrated Circuit (ASIC) chips falls within the range of [\u22120.2,0.2] mm. According to the test results of the ASIC chips, this non-linear temperature compensation model successfully achieves real-time and high-accuracy computation within a wide temperature range with low hardware resource consumption.<\/jats:p>","DOI":"10.3390\/s20175010","type":"journal-article","created":{"date-parts":[[2020,9,3]],"date-time":"2020-09-03T11:22:43Z","timestamp":1599132163000},"page":"5010","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["A Non-Linear Temperature Compensation Model for Improving the Measurement Accuracy of an Inductive Proximity Sensor and Its Application-Specific Integrated Circuit Implementation"],"prefix":"10.3390","volume":"20","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7470-0187","authenticated-orcid":false,"given":"Li","family":"Wang","sequence":"first","affiliation":[{"name":"The School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, No. 28, Xianning West Road, Xi\u2019an 710049, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hui-Bin","family":"Tao","sequence":"additional","affiliation":[{"name":"The School of Software Engineering, Xi\u2019an Jiaotong University, No.28, Xianning West Road, Xi\u2019an 710049, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hang","family":"Dong","sequence":"additional","affiliation":[{"name":"The School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, No. 28, Xianning West Road, Xi\u2019an 710049, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhi-Biao","family":"Shao","sequence":"additional","affiliation":[{"name":"The School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, No. 28, Xianning West Road, Xi\u2019an 710049, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fei","family":"Wang","sequence":"additional","affiliation":[{"name":"The School of Electronic and Information Engineering, Xi\u2019an Jiaotong University, No. 28, Xianning West Road, Xi\u2019an 710049, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2020,9,3]]},"reference":[{"key":"ref_1","unstructured":"Grandi, G., Massarini, A., Reggiani, U., and Sancineto, G. 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