WO2003071652A3 - Battery monitoring method and apparatus - Google Patents

Battery monitoring method and apparatus Download PDF

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Publication number
WO2003071652A3
WO2003071652A3 PCT/US2003/004174 US0304174W WO03071652A3 WO 2003071652 A3 WO2003071652 A3 WO 2003071652A3 US 0304174 W US0304174 W US 0304174W WO 03071652 A3 WO03071652 A3 WO 03071652A3
Authority
WO
WIPO (PCT)
Prior art keywords
battery
battery monitoring
monitoring method
memory
sampled
Prior art date
Application number
PCT/US2003/004174
Other languages
French (fr)
Other versions
WO2003071652A2 (en
Inventor
Nasser H Kutkut
David Brobst
Original Assignee
Power Designers Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Power Designers Llc filed Critical Power Designers Llc
Priority to DE60315268T priority Critical patent/DE60315268T2/en
Priority to EP03716013A priority patent/EP1485700B1/en
Priority to AU2003219742A priority patent/AU2003219742A1/en
Publication of WO2003071652A2 publication Critical patent/WO2003071652A2/en
Publication of WO2003071652A3 publication Critical patent/WO2003071652A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3828—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing

Abstract

Activity based battery monitoring (10) is carried out with a minimal requirement for data memory capacity by determining events defined between changes in the battery states of charge, discharge and open circuit. Battery parameters are sampled at high sampling rates but only a relatively small number of memory data fields are stored in a non-volatile memory and updated after each event. In operation, battery current is monitored to determine a change in battery state.
PCT/US2003/004174 2002-02-15 2003-02-12 Battery monitoring method and apparatus WO2003071652A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE60315268T DE60315268T2 (en) 2002-02-15 2003-02-12 BATTERY MONITORING PROCESS AND DEVICE
EP03716013A EP1485700B1 (en) 2002-02-15 2003-02-12 Battery monitoring method and apparatus
AU2003219742A AU2003219742A1 (en) 2002-02-15 2003-02-12 Battery monitoring method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/077,679 2002-02-15
US10/077,679 US6549014B1 (en) 2002-02-15 2002-02-15 Battery monitoring method and apparatus

Publications (2)

Publication Number Publication Date
WO2003071652A2 WO2003071652A2 (en) 2003-08-28
WO2003071652A3 true WO2003071652A3 (en) 2004-02-05

Family

ID=22139459

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/004174 WO2003071652A2 (en) 2002-02-15 2003-02-12 Battery monitoring method and apparatus

Country Status (6)

Country Link
US (1) US6549014B1 (en)
EP (1) EP1485700B1 (en)
AT (1) ATE368868T1 (en)
AU (1) AU2003219742A1 (en)
DE (1) DE60315268T2 (en)
WO (1) WO2003071652A2 (en)

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Also Published As

Publication number Publication date
EP1485700B1 (en) 2007-08-01
AU2003219742A8 (en) 2003-09-09
ATE368868T1 (en) 2007-08-15
WO2003071652A2 (en) 2003-08-28
DE60315268D1 (en) 2007-09-13
DE60315268T2 (en) 2008-04-17
EP1485700A4 (en) 2005-08-17
AU2003219742A1 (en) 2003-09-09
US6549014B1 (en) 2003-04-15
EP1485700A2 (en) 2004-12-15

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