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[2017-11-15 00:54:32,498: ERROR/ForkPoolWorker-2] Error sending data to solr
url=http://adsvm02.cfa.harvard.edu:9983/solr/collection1/update
response=[{"read_count": 0, "doctype_facet_hier": ["0/Article", "1/Article/Proceedings Article"], "isbn": ["9789290922575"], "update_timestamp": "2017-11-14T07:43:53.448036Z", "first_author": "Altemose, George", "abstract": "This paper describes a new Battery Interface and Electronics (BIE) assembly used to monitor battery and cell voltages, as well as provide overvoltage (overcharge) protection for Lithium Ion batteries with up to 8-cells in series. The BIE performs accurate measurement of the individual cell voltages, the total battery voltage, and the individual cell temperatures. In addition, the BIE provides an independent over-charge protection (OCP) circuit that terminates the charging process by isolating the battery from the charging source in the event that the voltage of any cell exceeds a preset limit of +4.500V. The OCP circuit utilizes dual redundancy, and is immune to single-point failures in the sense that no single-point failure can cause the battery to become isolated inadvertently. A typical application of the BIE in a spacecraft electrical power subsystem is shown in Figure 1. The BIE circuits have been designed with Chip On Board (COB) technology. Using this technology, integrated circuit die, Field Effect Transistors (FETs) and diodes are mounted and wired directly on a multi-layer printed wiring board (PWB). For those applications where long term reliability can be achieved without hermeticity, COB technology provides many benefits such as size and weight reduction while lowering production costs. The BIE was designed, fabricated and tested to meet the specifications provided by Orbital Sciences Corporation (OSC) for use with Lithium-Ion batteries in the Commercial Orbital Transportation System (COTS). COTS will be used to deliver cargo to the International Space Station at low earth orbit (LEO). Aeroflex has completed the electrical and mechanical design of the BIE and fabricated and tested the Engineering Model (EM), as well as the Engineering Qualification Model (EQM). Flight units have also been fabricated, tested and delivered to OSC.", "citation": [], "links_data": ["{\"access\": \"open\", \"instances\": \"\", \"title\": \"\", \"type\": \"gif\", \"url\": \"http://articles.adsabs.harvard.edu/full/2011ESASP.690E..24A\"}", "{\"access\": \"open\", \"instances\": \"\", \"title\": \"\", \"type\": \"article\", \"url\": \"http://articles.adsabs.harvard.edu/full/2011ESASP.690E..24A?defaultprint=YES\"}"], "page": ["24"], "doctype": "inproceedings", "date": "2011-10-01T00:00:00.000000Z", "nedid": [], "id": "14588779", "bibstem": ["ESASP", "ESASP.690"], "simbid": [], "bibcode": "2011ESASP.690E..24A", "classic_factor": 0.0, "reference": [], "data_count": 0, "grant": [], "aff": ["Aeroflex Plainview Plainview, New York 11803", "Aeroflex Plainview Plainview, New York 11803"], "orcid_pub": ["-", "-"], "metrics_mtime": "2017-11-10T07:25:23.740661Z", "esources": ["ADS_PDF", "ADS_SCAN"], "entry_date": "2015-07-18T00:00:00.000000Z", "reader": [], "email": ["-", "-"], "body": "{\"body\": \"\\u0003\\n\\nOVERCHARGE PROTECTION AND CELL VOLTAGE MONITORING FOR\\nLITHIUM-ION BATTERIES\\n\\n\\u0003\\n\\u0003\\n\\n*HRUJH\\u0003$OWHPRVH\\u000f\\u00036HQLRU\\u00036WDII\\u0003(QJLQHHU\\n$EEDV\\u00036DOLP\\u000f\\u00036HQLRU\\u00036FLHQWLVW\\u0003\\nAeroflex Plainview\\nPlainview, New York 11803\\n$EVWUDFW\\n\\nEffect Transistors (FETs
) and diodes are\\nmounted and wired directly on a multi-layer\\nprinted wiring board (PWB). For those\\napplications where long term reliability can\\nbe achieved without hermeticity, COB\\ntechnology provides many benefits such as\\nsize and weight reduction while lowering\\nproduction costs.\\n\\nThis paper describes a new Battery\\nInterface and Electronics (BIE) assembly\\nused to monitor battery and cell voltages, as\\nwell as provide overvoltage (overcharge)\\nprotection for Lithium Ion batteries with up to\\n8-cells in series. The BIE performs accurate\\nmeasurement of the individual cell voltages,\\nthe total battery voltage, and the individual\\ncell temperatures.\\nIn addition, the BIE\\nprovides an independent over-charge\\nprotection (OCP) circuit that terminates the\\ncharging process by isolating the battery\\nfrom the charging source in the event that\\nthe voltage of any cell exceeds a preset limit\\nof +4.500V. The OCP circuit utilizes dual\\nredundancy, and is immune to single-point\\nfailures in the sense that no single-poin
t\\nfailure can cause the battery to become\\nisolated inadvertently. A typical application\\nof the BIE in a spacecraft electrical power\\nsubsystem is shown in Figure 1.\\n\\nThe BIE was designed, fabricated an
d\\ntested to meet the specifications provided by\\nOrbital Sciences Corporation (OSC) for use\\nwith Lithium-Ion batteries in the Commercial\\nOrbital Transportation System (COTS).\\nCOTS will be used to deliver
 cargo to the\\nInternational Space Station at low earth orbit\\n(LEO).\\nAeroflex has completed the electrical and\\nmechanical design of the BIE and fabricated\\nand tested the Engineering Model (EM), as\\nwell as the Engineering Qualification Model\\n(EQM). Flight units have also been\\nfabricated, tested and delivered to OSC.\\n\\nThe BIE circuits have been designed with\\nChip On Board (COB) technology. Using this\\ntechnology, integrated circuit die, Field\\n\\u0003\\n\\nPower\\nRegulation\\n& Control\\n\\nSolar\\nArray\\n\\nLoad\\n\\nBIE\\nInterface &\\nControl\\nElectronics\\n\\nBattery\\nIsolation\\nSwitch\\n\\nLithium-Ion\\nBattery\\nAssembly\\n\\nBalancing\\nElectronics\\nUnit\\n\\n\\u0003\\n\\n\\u0003\\n\\n)LJXUH\\u0003\\u0014\\u0003\\u00b1\\u00037\\\\SLFDO\\u0003%,(\\u0003$SSOLFDWLRQ\\u0003LQ\\u0003D\\u00036SDFHFUDIW\\u0003(OHFWULFDO\\u00033RZHU\\u00036\\\\VWHP\\u0003\\n_________________________________________________\\nProc. \\u20189th European Space Power Conference\\u2019, Saint Rapha\\u00ebl, France,\\n6\\u201310 June 2011 (ESA SP-690, October 2011)\\n\\u0003\\n\\n\\f\\u0003\\n,QWURGXFWLRQ\\n\\nLithium-ion batteries are now oft
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