JP6390471B2 - 2次電池制御装置 - Google Patents
2次電池制御装置 Download PDFInfo
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- JP6390471B2 JP6390471B2 JP2015045904A JP2015045904A JP6390471B2 JP 6390471 B2 JP6390471 B2 JP 6390471B2 JP 2015045904 A JP2015045904 A JP 2015045904A JP 2015045904 A JP2015045904 A JP 2015045904A JP 6390471 B2 JP6390471 B2 JP 6390471B2
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- secondary battery
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- output value
- equivalent circuit
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- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- 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]
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/005—Detection of state of health [SOH]
-
- 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
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/44—Control modes by parameter estimation
-
- 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]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
-
- 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
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Tests Of Electric Status Of Batteries (AREA)
- Secondary Cells (AREA)
Description
W(k):フィルタのパラメータベクトル
k:サンプリング数
μ:ステップサイズ
J:評価関数
W=[Rw1 Rw2・・・Rwn Cw1 Cw2・・・Cwn]
n:RC並列回路の次数
となる。以下の説明では、簡略化のためn=1として説明する。また、以下の説明では、図2におけるWに該当する部分のみを考える。尚、直流抵抗Rs及びバトラー・ボルマーの式から導かれる非線形性を持つ反応抵抗Rについては、別の方法で求めることができる。直流抵抗Rs及び反応抵抗RとOCVとを合わせて考慮することで、電圧値測定部22で測定した2次電池32の電圧値(実出力値)から拡散抵抗部分の電圧を抜き出すことができる。
W(p+1)=W(p)−μ・▽(k)
を計算することでパラメータ同定を実行する。
12:演算部
30:負荷(電動機)
32:2次電池
Claims (3)
- 少なくとも電動機(30)を駆動源とする車両に搭載される2次電池(32)を制御する2次電池制御装置(10)であって、
前記2次電池を表現した等価回路と、
前記2次電池の実際の出力である実出力値と前記等価回路の出力である等価出力値とを比較した比較結果である推定誤差に基づいて前記等価回路のパラメータを同定する演算部(12)と、を備え、
前記演算部は、予め定められた前記パラメータの微少変化量と、前記比較結果を用いて求めた評価関数と、に基づいて、前記評価関数の傾きを数値的に求め、前記傾きに基づいて前記パラメータを更新し、
前記等価回路は、直流抵抗と、バトラー・ボルマーの式から導かれる非線形特性を持つ反応抵抗と、抵抗及びキャパシタの並列接続体が複数直列に接続された拡散抵抗と、によって構成されており、
前記パラメータは、前記拡散抵抗のパラメータである、ことを特徴とする2次電池制御装置。 - 少なくとも電動機(30)を駆動源とする車両に搭載される2次電池(32)を制御する2次電池制御装置(10)であって、
前記2次電池を表現した等価回路と、
前記2次電池の実際の出力である実出力値と前記等価回路の出力である等価出力値とを比較した比較結果である推定誤差に基づいて前記等価回路のパラメータを同定する演算部(12)と、を備え、
前記演算部は、予め定められた前記パラメータの微少変化量と、前記比較結果を用いて求めた評価関数と、に基づいて、前記評価関数の傾きを数値的に求め、前記傾きに基づいて前記パラメータを更新し、
前記演算部は、サンプリングタイミング毎に、
前記パラメータの微少変化前の前記実出力値と前記等価出力値との比較結果を変化前推定誤差として算出するとともに、前記パラメータの微少変化後の前記実出力値と前記等価出力値との比較結果を変化後推定誤差として算出し、
前記変化前推定誤差を用いて前記パラメータの微少変化前の変化前誤差2乗和を算出するとともに、前記変化後推定誤差を用いて前記パラメータの微少変化後の変化後誤差2乗和を算出する、ことを特徴とする2次電池制御装置。 - 前記演算部は、N(Nは2以上の整数)回の前記サンプリングタイミング毎における同定タイミングにおいて、
前記変化後誤差2乗和を前記Nで割ったものから前記変化前誤差2乗和を前記Nで割ったものを引き、前記パラメータの微少変化量で割ることで前記パラメータの更新量を決定し前記パラメータを更新する、ことを特徴とする請求項2に記載の2次電池制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015045904A JP6390471B2 (ja) | 2015-03-09 | 2015-03-09 | 2次電池制御装置 |
US15/058,446 US9827868B2 (en) | 2015-03-09 | 2016-03-02 | Secondary battery control unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015045904A JP6390471B2 (ja) | 2015-03-09 | 2015-03-09 | 2次電池制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2016167357A JP2016167357A (ja) | 2016-09-15 |
JP6390471B2 true JP6390471B2 (ja) | 2018-09-19 |
Family
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JP2015045904A Active JP6390471B2 (ja) | 2015-03-09 | 2015-03-09 | 2次電池制御装置 |
Country Status (2)
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US (1) | US9827868B2 (ja) |
JP (1) | JP6390471B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110406408B (zh) * | 2018-04-28 | 2021-07-09 | 比亚迪股份有限公司 | 车辆的站区式充电系统、方法 |
WO2024079867A1 (ja) * | 2022-10-14 | 2024-04-18 | 三菱電機株式会社 | モデルパラメータ推定装置およびモデルパラメータ推定方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4703593B2 (ja) * | 2007-03-23 | 2011-06-15 | 株式会社豊田中央研究所 | 二次電池の状態推定装置 |
JP2011047820A (ja) * | 2009-08-27 | 2011-03-10 | Toshiba Corp | 二次電池装置及び車両 |
JP2011122951A (ja) * | 2009-12-11 | 2011-06-23 | Honda Motor Co Ltd | 二次電池の充電状態推定装置および劣化状態推定装置 |
JP5303528B2 (ja) * | 2010-09-16 | 2013-10-02 | カルソニックカンセイ株式会社 | フィルタによるパラメータ推定装置 |
CN102411126B (zh) * | 2010-09-21 | 2014-07-16 | 光宝科技股份有限公司 | 电池测量方法及装置 |
JP5307113B2 (ja) * | 2010-12-20 | 2013-10-02 | 古河電気工業株式会社 | 満充電検知装置および満充電検知方法 |
JP5707982B2 (ja) * | 2011-02-01 | 2015-04-30 | 日産自動車株式会社 | 電池状態推定装置 |
US20140340045A1 (en) * | 2012-01-26 | 2014-11-20 | Calsonic Kansei Corporation | Apparatus for battery state estimation |
JP5944291B2 (ja) * | 2012-10-05 | 2016-07-05 | カルソニックカンセイ株式会社 | バッテリのパラメータ等推定装置およびその推定方法 |
JP5847685B2 (ja) * | 2012-10-24 | 2016-01-27 | カルソニックカンセイ株式会社 | 連続時間システムのパラメータ同定装置およびその同定方法 |
DE112013006931T5 (de) * | 2013-04-11 | 2016-01-07 | Toyota Jidosha Kabushiki Kaisha | Akkusystem |
JP5946436B2 (ja) * | 2013-10-21 | 2016-07-06 | カルソニックカンセイ株式会社 | バッテリのパラメータ推定装置及びパラメータ推定方法 |
DE102015117171B4 (de) * | 2014-10-09 | 2019-03-21 | Denso Corporation | Batteriezustandsabschätzvorrichtung |
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2016
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Publication number | Publication date |
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JP2016167357A (ja) | 2016-09-15 |
US9827868B2 (en) | 2017-11-28 |
US20160264016A1 (en) | 2016-09-15 |
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