Method for estimating the temperature in an internal combustion engine
A method is provided for estimating the temperature in an internal combustion engine. The method includes, but is not limited to the steps of providing a sensor resistor (RTD) in the internal combustion engine, the sensor resistor (RTD) having a predetermined resistance-temperature characteristic, m...
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creator | PARISI FILIPPO LUCANO MASSIMO CASASSO PAOLO |
description | A method is provided for estimating the temperature in an internal combustion engine. The method includes, but is not limited to the steps of providing a sensor resistor (RTD) in the internal combustion engine, the sensor resistor (RTD) having a predetermined resistance-temperature characteristic, measuring a sensor voltage (VRTD) across the sensor resistor (RTD), calculating a resistance value of the sensor resistor (RTD) based on the sensor voltage (VRTD) and estimating the temperature using the resistance value and the resistance-temperature characteristic. The method further comprises the steps of connecting, in series to the sensor resistor (RTD), a first branch of a current mirror arrangement, connecting a reference resistor (R0) in series to a second branch of the current mirror arrangement, measuring a reference voltage (V0) across the reference resistor (R0) and calculating the resistance value of the sensor resistor (RTD) based on the sensor voltage (VRTD) and the reference voltage (V0). |
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The method includes, but is not limited to the steps of providing a sensor resistor (RTD) in the internal combustion engine, the sensor resistor (RTD) having a predetermined resistance-temperature characteristic, measuring a sensor voltage (VRTD) across the sensor resistor (RTD), calculating a resistance value of the sensor resistor (RTD) based on the sensor voltage (VRTD) and estimating the temperature using the resistance value and the resistance-temperature characteristic. The method further comprises the steps of connecting, in series to the sensor resistor (RTD), a first branch of a current mirror arrangement, connecting a reference resistor (R0) in series to a second branch of the current mirror arrangement, measuring a reference voltage (V0) across the reference resistor (R0) and calculating the resistance value of the sensor resistor (RTD) based on the sensor voltage (VRTD) and the reference voltage (V0).</description><language>eng</language><subject>MEASURING ; MEASURING QUANTITY OF HEAT ; MEASURING TEMPERATURE ; PHYSICS ; TESTING ; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120911&DB=EPODOC&CC=US&NR=8265894B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120911&DB=EPODOC&CC=US&NR=8265894B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>PARISI FILIPPO</creatorcontrib><creatorcontrib>LUCANO MASSIMO</creatorcontrib><creatorcontrib>CASASSO PAOLO</creatorcontrib><title>Method for estimating the temperature in an internal combustion engine</title><description>A method is provided for estimating the temperature in an internal combustion engine. The method includes, but is not limited to the steps of providing a sensor resistor (RTD) in the internal combustion engine, the sensor resistor (RTD) having a predetermined resistance-temperature characteristic, measuring a sensor voltage (VRTD) across the sensor resistor (RTD), calculating a resistance value of the sensor resistor (RTD) based on the sensor voltage (VRTD) and estimating the temperature using the resistance value and the resistance-temperature characteristic. The method further comprises the steps of connecting, in series to the sensor resistor (RTD), a first branch of a current mirror arrangement, connecting a reference resistor (R0) in series to a second branch of the current mirror arrangement, measuring a reference voltage (V0) across the reference resistor (R0) and calculating the resistance value of the sensor resistor (RTD) based on the sensor voltage (VRTD) and the reference voltage (V0).</description><subject>MEASURING</subject><subject>MEASURING QUANTITY OF HEAT</subject><subject>MEASURING TEMPERATURE</subject><subject>PHYSICS</subject><subject>TESTING</subject><subject>THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyj0OgkAQhuFtLIx6h7kADf4EWw3ExkqtyYgfsAk7s9kd7i-FB7B53-ZZu-YOG_VDvSZCNh_YvAxkI8gQIhLbnEBeiGWpIQlP1Gl4z4tWIcjgBVu36nnK2P2-cdTUz-utQNQWOXIHgbWvR1WejtX5cCn3f5Av7hMzuw</recordid><startdate>20120911</startdate><enddate>20120911</enddate><creator>PARISI FILIPPO</creator><creator>LUCANO MASSIMO</creator><creator>CASASSO PAOLO</creator><scope>EVB</scope></search><sort><creationdate>20120911</creationdate><title>Method for estimating the temperature in an internal combustion engine</title><author>PARISI FILIPPO ; LUCANO MASSIMO ; CASASSO PAOLO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US8265894B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</creationdate><topic>MEASURING</topic><topic>MEASURING QUANTITY OF HEAT</topic><topic>MEASURING TEMPERATURE</topic><topic>PHYSICS</topic><topic>TESTING</topic><topic>THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR</topic><toplevel>online_resources</toplevel><creatorcontrib>PARISI FILIPPO</creatorcontrib><creatorcontrib>LUCANO MASSIMO</creatorcontrib><creatorcontrib>CASASSO PAOLO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>PARISI FILIPPO</au><au>LUCANO MASSIMO</au><au>CASASSO PAOLO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for estimating the temperature in an internal combustion engine</title><date>2012-09-11</date><risdate>2012</risdate><abstract>A method is provided for estimating the temperature in an internal combustion engine. 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subjects | MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR |
title | Method for estimating the temperature in an internal combustion engine |
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