US20060284618A1 - Method and apparatus for estimating maximum power of battery by using internal resistance of the battery - Google Patents
Method and apparatus for estimating maximum power of battery by using internal resistance of the battery Download PDFInfo
- Publication number
- US20060284618A1 US20060284618A1 US11/440,888 US44088806A US2006284618A1 US 20060284618 A1 US20060284618 A1 US 20060284618A1 US 44088806 A US44088806 A US 44088806A US 2006284618 A1 US2006284618 A1 US 2006284618A1
- Authority
- US
- United States
- Prior art keywords
- battery
- maximum power
- charge
- internal resistance
- estimating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000875 corresponding effect Effects 0.000 description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
-
- 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
-
- 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]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the present invention relates to a method for estimating the maximum power of a battery for a Hybrid Electric Vehicle (HEV), more particularly to an apparatus and a method for estimating the current maximum power of the battery by using the internal resistance of the battery, one of various environment parameters, which has the greatest effect on the maximum power of the battery mounted on a vehicle.
- HEV Hybrid Electric Vehicle
- Lithium-ion polymer batteries are mainly used as the batteries for the electric vehicles, and researches for the lithium-ion polymer batteries have been progressed.
- BMS Battery Management System
- a conventional art just discloses the method for estimating the maximum power of the battery only using the above-mentioned parameters such as temperature, the state of charge, and the state of health. It does not disclose a method for estimating the maximum power of the battery using the internal resistance of the battery, which directly relate to the maximum power of the battery.
- a method of estimating a maximum power of a battery which includes the steps of: measuring an internal resistance and a temperature of the battery and estimating its state of charge, if an estimation of the maximum power of the battery is requested; and reading a value of the maximum power of the battery, which corresponds to the measured temperature, the estimated state of charge, and the measured internal resistance, from a table in which the values of the internal resistance and the maximum power of the battery are mapped so as to correspond to each temperature and each state of charge.
- the present invention can easily and accurately estimate the maximum power of the battery using the internal resistance of the battery as well as various parameters having an effect on the maximum power of the battery.
- FIG. 1 is a flowchart illustrating a method for configuring a table of the maximum power of a battery according to the preferred embodiment of the present invention.
- FIG. 2 is a view showing a table of the maximum power of the battery according to the preferred embodiment of the present invention.
- FIG. 3 is a block diagram showing the structure of an apparatus for estimating the maximum power of the battery according to the preferred embodiment of the present invention.
- FIG. 4 is a flowchart illustrating a method for estimating the maximum power of the battery according to the preferred embodiment of the present invention.
- An experimenter measures internal resistance values according to temperatures and states of charge (step 100 ).
- the environments i.e. temperature and state of charge, under which the internal resistance value of the battery is measured, are within a range of an actually operational temperature and an actually operational state of charge of a certain battery.
- voltages and currents are preferably measured according to temperatures and states of charge, instead of directly measuring the internal resistance values, so that each of the internal resistance values is calculated by using the measured value of the voltage and the current.
- the experimenter experimentally measures the values of the maximum power of the battery according to temperatures and states of charge in the same manner of measuring the internal resistance values (step 102 ).
- the values obtained through the measurement at steps 100 and 102 are correlated with one another, and thereby a table for the maximum power of the battery which shows the correlation of the internal resistance value with the maximum power of the battery is constructed.
- the table of the maximum power of the battery is stored in a memory of the battery management system provided with the corresponding battery (step 104 ).
- internal resistance values and maximum powers of the battery which correspond to respective temperatures and states of charge, are mapped in the table for the maximum power of the battery.
- a controller 200 entirely controls units of FIG. 3 , and performs processes for estimating the maximum power of the battery according to the preferred embodiment of the present invention. Specifically, after performing the measurement of temperature, estimation of the state of charge, and the calculation of the internal resistance value, the controller 200 reads the value of the maximum power, which corresponds to temperatures, the states of charge, and the internal resistance values obtained, from the table for the maximum power of the battery, so as to easily and rapidly estimate the value of the maximum power of the corresponding battery.
- a memory 202 stores a variety of information as well as the processing program of the controller 200 . Specifically, the table for the maximum power of the battery shown in FIG. 2 is stored in the memory, according to the preferred embodiment of the present invention.
- a unit 204 for measuring the current and the voltage measures the current and the voltage of the battery in order to estimate the maximum power of the corresponding battery and provides the result to the controller 200 .
- a temperature sensor 206 measures the temperature, and provides the result to the controller 200 .
- a unit for estimating the state of charge 208 estimates the state of charge of the corresponding battery, and provides the result to the controller 200 .
- the controller 200 of the apparatus for estimating the maximum power of the battery measures the temperature through the temperature sensor 206 , and estimates the state of charge of the corresponding battery through the unit 208 for estimating the state of charge (steps 300 and 302 ).
- the controller 200 measures the voltage and the current of the corresponding battery through the unit 204 for measuring the current and the voltage, and calculates the value of the internal resistance in the corresponding battery based on the obtained voltage and current (step 306 ).
- the real-time voltage and current is measured for one second while a vehicle provided with the battery is driven, and thereby the internal resistance is calculated by using the obtained current and voltage.
- the controller 200 reads the maximum power of the battery corresponding to the obtained temperature, estimated state of charge, and the calculated internal resistance value, from the table of the maximum power of the battery stored in a memory 202 ( 308 ). Thus, the estimation of the maximum power of the corresponding battery is completed.
- the table which shows the correlation of the internal resistance values and the maximum powers of the battery according to the temperatures and states of charge through the experiment, is configured in advance. Then, the real-time internal resistance, the temperature, and the state of charge are measured, and the maximum power of the battery corresponding to the measurement result is read from the table, thereby easily and accurately estimating the maximum power of the battery without additional expense, which has too intensive a nonlinearity and which cannot be directly estimated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US14/249,727 US9696382B2 (en) | 2005-05-27 | 2014-04-10 | Method and apparatus for estimating maximum power of battery by using internal resistance of the battery |
Applications Claiming Priority (2)
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KR20050044862 | 2005-05-27 | ||
KR10-2005-0044862 | 2005-05-27 |
Related Child Applications (1)
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US14/249,727 Continuation US9696382B2 (en) | 2005-05-27 | 2014-04-10 | Method and apparatus for estimating maximum power of battery by using internal resistance of the battery |
Publications (1)
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US20060284618A1 true US20060284618A1 (en) | 2006-12-21 |
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Family Applications (2)
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US11/440,888 Abandoned US20060284618A1 (en) | 2005-05-27 | 2006-05-25 | Method and apparatus for estimating maximum power of battery by using internal resistance of the battery |
US14/249,727 Active 2027-03-13 US9696382B2 (en) | 2005-05-27 | 2014-04-10 | Method and apparatus for estimating maximum power of battery by using internal resistance of the battery |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US14/249,727 Active 2027-03-13 US9696382B2 (en) | 2005-05-27 | 2014-04-10 | Method and apparatus for estimating maximum power of battery by using internal resistance of the battery |
Country Status (7)
Country | Link |
---|---|
US (2) | US20060284618A1 (ko) |
EP (1) | EP1883556B1 (ko) |
JP (1) | JP2008545962A (ko) |
KR (1) | KR100784086B1 (ko) |
CN (1) | CN101184648B (ko) |
TW (1) | TWI294367B (ko) |
WO (1) | WO2006126827A1 (ko) |
Cited By (23)
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US20090237087A1 (en) * | 2008-03-21 | 2009-09-24 | Rochester Institute Of Tehnology | Power source health assessment methods and systems thereof |
US20120086457A1 (en) * | 2010-10-08 | 2012-04-12 | Gm Global Technology Operations, Inc. | Temperature compensation for magnetic determination method for the state of charge of a battery |
US20150048838A1 (en) * | 2012-04-19 | 2015-02-19 | Toyota Jidosha Kabushiki Kaisha | Apparatus and method for inspecting all-solid battery |
CN104769767A (zh) * | 2013-03-04 | 2015-07-08 | 株式会社Lg化学 | 用于估计包含混合正极材料的二次电池的功率的设备和方法 |
US9260033B2 (en) | 2011-07-13 | 2016-02-16 | Sanyo Electric Co., Ltd. | Power supply device and vehicle including the same |
US20160231387A1 (en) * | 2015-02-09 | 2016-08-11 | Microsoft Microsoft Technology Licensing, LLC | Estimating Battery Cell Parameters |
US20160377684A1 (en) * | 2013-12-12 | 2016-12-29 | Renault S.A.S. | Assessing the quantity of energy in a motor vehicle battery |
US9696782B2 (en) | 2015-02-09 | 2017-07-04 | Microsoft Technology Licensing, Llc | Battery parameter-based power management for suppressing power spikes |
US9748765B2 (en) | 2015-02-26 | 2017-08-29 | Microsoft Technology Licensing, Llc | Load allocation for multi-battery devices |
US9793570B2 (en) | 2015-12-04 | 2017-10-17 | Microsoft Technology Licensing, Llc | Shared electrode battery |
US9851414B2 (en) | 2004-12-21 | 2017-12-26 | Battelle Energy Alliance, Llc | Energy storage cell impedance measuring apparatus, methods and related systems |
US9939862B2 (en) | 2015-11-13 | 2018-04-10 | Microsoft Technology Licensing, Llc | Latency-based energy storage device selection |
US10061366B2 (en) | 2015-11-17 | 2018-08-28 | Microsoft Technology Licensing, Llc | Schedule-based energy storage device selection |
US10158148B2 (en) | 2015-02-18 | 2018-12-18 | Microsoft Technology Licensing, Llc | Dynamically changing internal state of a battery |
US10205335B2 (en) | 2015-02-24 | 2019-02-12 | Kabushiki Kaisha Toshiba | Storage battery management device, method, and computer program product |
US10345384B2 (en) | 2016-03-03 | 2019-07-09 | Battelle Energy Alliance, Llc | Device, system, and method for measuring internal impedance of a test battery using frequency response |
US10379168B2 (en) | 2007-07-05 | 2019-08-13 | Battelle Energy Alliance, Llc | Apparatuses and methods for testing electrochemical cells by measuring frequency response |
US10551443B2 (en) | 2014-09-30 | 2020-02-04 | Gs Yuasa International Ltd. | Battery deterioration determination device, battery deterioration determination method, and vehicle |
US11054481B2 (en) | 2019-03-19 | 2021-07-06 | Battelle Energy Alliance, Llc | Multispectral impedance determination under dynamic load conditions |
CN113447836A (zh) * | 2021-09-01 | 2021-09-28 | 蜂巢能源科技有限公司 | 一种电池功率标定方法及装置 |
US11422102B2 (en) | 2020-01-10 | 2022-08-23 | Dynexus Technology, Inc. | Multispectral impedance measurements across strings of interconnected cells |
US11519969B2 (en) | 2020-01-29 | 2022-12-06 | Dynexus Technology, Inc. | Cross spectral impedance assessment for cell qualification |
US11709219B2 (en) | 2016-04-25 | 2023-07-25 | Dynexus Technology, Inc. | Method of calibrating impedance measurements of a battery |
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FR2942080B1 (fr) * | 2009-02-09 | 2011-04-01 | Vehicules Electr Soc D | Procede de gestion thermique d'une batterie electrique |
KR101043445B1 (ko) * | 2009-03-23 | 2011-06-22 | 에스케이이노베이션 주식회사 | 배터리와 연결되는 저항을 이용한 절연저항 측정회로 |
TWI392189B (en) * | 2009-09-09 | 2013-04-01 | Output power tracking apparatus and method for tracking the output power | |
DE102010001529A1 (de) * | 2010-02-03 | 2011-08-04 | SB LiMotive Company Ltd., Kyonggi | Adaptives Verfahren zur Bestimmung der Leistungsparameter einer Batterie |
JP5558941B2 (ja) * | 2010-06-30 | 2014-07-23 | 三洋電機株式会社 | 電池の内部抵抗の検出方法 |
US20140266059A1 (en) * | 2013-03-14 | 2014-09-18 | Ford Global Technologies, Llc | Selective updating of battery parameter estimations |
US10534038B2 (en) * | 2015-06-26 | 2020-01-14 | Japan Aerospace Exploration Agency | Method and system for estimating state of charge or depth of discharge of battery, and method and system for evaluating health of battery |
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US10983168B2 (en) | 2016-11-18 | 2021-04-20 | Semiconductor Components Industries, Llc | Methods and apparatus for reporting a relative state of charge of a battery |
CN106627225B (zh) * | 2016-12-22 | 2018-10-19 | 清华大学 | 一种用于电动汽车的串联电池组剩余放电能量预测方法 |
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US10921381B2 (en) | 2017-07-28 | 2021-02-16 | Northstar Battery Company, Llc | Systems and methods for monitoring and presenting battery information |
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US11209888B2 (en) * | 2017-09-29 | 2021-12-28 | Intel Corporation | History based peak power prediction |
CN107861075B (zh) * | 2017-12-24 | 2020-03-27 | 江西优特汽车技术有限公司 | 一种确定动力电池sop的方法 |
JP7069837B2 (ja) * | 2018-03-02 | 2022-05-18 | トヨタ自動車株式会社 | 電池の診断装置及び方法 |
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CN113884893B (zh) * | 2021-11-02 | 2023-06-30 | 蜂巢能源科技有限公司 | 一种动力电池的功率map切换方法、装置和电子设备 |
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2006
- 2006-05-24 WO PCT/KR2006/001941 patent/WO2006126827A1/en active Application Filing
- 2006-05-24 CN CN2006800186131A patent/CN101184648B/zh active Active
- 2006-05-24 KR KR1020060046452A patent/KR100784086B1/ko active IP Right Grant
- 2006-05-24 EP EP06768593.3A patent/EP1883556B1/en active Active
- 2006-05-24 JP JP2008513365A patent/JP2008545962A/ja active Pending
- 2006-05-25 US US11/440,888 patent/US20060284618A1/en not_active Abandoned
- 2006-05-26 TW TW095118836A patent/TWI294367B/zh active
-
2014
- 2014-04-10 US US14/249,727 patent/US9696382B2/en active Active
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Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9851414B2 (en) | 2004-12-21 | 2017-12-26 | Battelle Energy Alliance, Llc | Energy storage cell impedance measuring apparatus, methods and related systems |
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US9696382B2 (en) | 2017-07-04 |
TWI294367B (en) | 2008-03-11 |
EP1883556A4 (en) | 2017-04-12 |
CN101184648B (zh) | 2012-08-08 |
CN101184648A (zh) | 2008-05-21 |
EP1883556A1 (en) | 2008-02-06 |
WO2006126827A1 (en) | 2006-11-30 |
KR20060122718A (ko) | 2006-11-30 |
US20140218041A1 (en) | 2014-08-07 |
KR100784086B1 (ko) | 2007-12-10 |
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JP2008545962A (ja) | 2008-12-18 |
EP1883556B1 (en) | 2020-02-12 |
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