Ultrakondensator-Nutzlebensdauer-Vorhersage
Methods and apparatus are provided for projecting the useful life Yproj of an ultracapacitor undergoing at least one ON period after an OFF period. The apparatus comprises sensors coupled to the ultracapacitor for measuring the instantaneous voltage V(t) and temperature T(t) thereof as a function of...
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| creator | YURGIL, JAMES R |
| description | Methods and apparatus are provided for projecting the useful life Yproj of an ultracapacitor undergoing at least one ON period after an OFF period. The apparatus comprises sensors coupled to the ultracapacitor for measuring the instantaneous voltage V(t) and temperature T(t) thereof as a function of time t, and a measuring system coupled to the sensors, the measuring system receiving V(t), T(t) and computing Yproj based at least in part on combining values of the instantaneous ultracapacitor life Y(V(t),T(t))=10(aT+bV+c) where a, b and c are constants, for different values of t. The measuring system preferably includes program, temporary and non-volitile memory, a processor, a timer and an I/O for communicating with the sensors and other vehicle systems. In a preferred embodiment, values of V(t), T(t) at the beginning and end of the OFF period are also used in determining Yproj. |
| format | Patent |
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The apparatus comprises sensors coupled to the ultracapacitor for measuring the instantaneous voltage V(t) and temperature T(t) thereof as a function of time t, and a measuring system coupled to the sensors, the measuring system receiving V(t), T(t) and computing Yproj based at least in part on combining values of the instantaneous ultracapacitor life Y(V(t),T(t))=10(aT+bV+c) where a, b and c are constants, for different values of t. The measuring system preferably includes program, temporary and non-volitile memory, a processor, a timer and an I/O for communicating with the sensors and other vehicle systems. In a preferred embodiment, values of V(t), T(t) at the beginning and end of the OFF period are also used in determining Yproj.</description><language>ger</language><subject>BASIC ELECTRIC ELEMENTS ; CAPACITORS ; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ; ELECTRICITY ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; TESTING</subject><creationdate>2009</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=20090416&DB=EPODOC&CC=DE&NR=102005032507B4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090416&DB=EPODOC&CC=DE&NR=102005032507B4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YURGIL, JAMES R</creatorcontrib><title>Ultrakondensator-Nutzlebensdauer-Vorhersage</title><description>Methods and apparatus are provided for projecting the useful life Yproj of an ultracapacitor undergoing at least one ON period after an OFF period. The apparatus comprises sensors coupled to the ultracapacitor for measuring the instantaneous voltage V(t) and temperature T(t) thereof as a function of time t, and a measuring system coupled to the sensors, the measuring system receiving V(t), T(t) and computing Yproj based at least in part on combining values of the instantaneous ultracapacitor life Y(V(t),T(t))=10(aT+bV+c) where a, b and c are constants, for different values of t. The measuring system preferably includes program, temporary and non-volitile memory, a processor, a timer and an I/O for communicating with the sensors and other vehicle systems. In a preferred embodiment, values of V(t), T(t) at the beginning and end of the OFF period are also used in determining Yproj.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CAPACITORS</subject><subject>CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE</subject><subject>ELECTRICITY</subject><subject>MEASURING</subject><subject>MEASURING ELECTRIC VARIABLES</subject><subject>MEASURING MAGNETIC VARIABLES</subject><subject>PHYSICS</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAOzSkpSszOz0tJzStOLMkv0vUrLanKSU0CclMSS1OLdMPyizJSi4oT01N5GFjTEnOKU3mhNDeDqptriLOHbmpBfnxqcUFicmpeakm8i6uhgZGBgamBsZGpgbmTiTGx6gAflSvh</recordid><startdate>20090416</startdate><enddate>20090416</enddate><creator>YURGIL, JAMES R</creator><scope>EVB</scope></search><sort><creationdate>20090416</creationdate><title>Ultrakondensator-Nutzlebensdauer-Vorhersage</title><author>YURGIL, JAMES R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE102005032507B43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>ger</language><creationdate>2009</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CAPACITORS</topic><topic>CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE</topic><topic>ELECTRICITY</topic><topic>MEASURING</topic><topic>MEASURING ELECTRIC VARIABLES</topic><topic>MEASURING MAGNETIC VARIABLES</topic><topic>PHYSICS</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>YURGIL, JAMES R</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YURGIL, JAMES R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Ultrakondensator-Nutzlebensdauer-Vorhersage</title><date>2009-04-16</date><risdate>2009</risdate><abstract>Methods and apparatus are provided for projecting the useful life Yproj of an ultracapacitor undergoing at least one ON period after an OFF period. The apparatus comprises sensors coupled to the ultracapacitor for measuring the instantaneous voltage V(t) and temperature T(t) thereof as a function of time t, and a measuring system coupled to the sensors, the measuring system receiving V(t), T(t) and computing Yproj based at least in part on combining values of the instantaneous ultracapacitor life Y(V(t),T(t))=10(aT+bV+c) where a, b and c are constants, for different values of t. The measuring system preferably includes program, temporary and non-volitile memory, a processor, a timer and an I/O for communicating with the sensors and other vehicle systems. In a preferred embodiment, values of V(t), T(t) at the beginning and end of the OFF period are also used in determining Yproj.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TESTING |
| title | Ultrakondensator-Nutzlebensdauer-Vorhersage |
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