JP6962233B2 - 車載用のdcdcコンバータ - Google Patents
車載用のdcdcコンバータ Download PDFInfo
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- JP6962233B2 JP6962233B2 JP2018029489A JP2018029489A JP6962233B2 JP 6962233 B2 JP6962233 B2 JP 6962233B2 JP 2018029489 A JP2018029489 A JP 2018029489A JP 2018029489 A JP2018029489 A JP 2018029489A JP 6962233 B2 JP6962233 B2 JP 6962233B2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1582—Buck-boost converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
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- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0025—Arrangements for modifying reference values, feedback values or error values in the control loop of a converter
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/1566—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with means for compensating against rapid load changes, e.g. with auxiliary current source, with dual mode control or with inductance variation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/157—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
-
- 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Dc-Dc Converters (AREA)
Description
第1導電路及び第2導電路に電気的に接続されるとともに前記第1導電路及び前記第2導電路のいずれか一方を入力側導電路とし、他方を出力側導電路とし、前記入力側導電路に印加された電圧を昇圧又は降圧して前記出力側導電路に出力する車載用のDCDCコンバータであって、
PWM信号が与えられることに応じてオンオフ動作するスイッチング素子を備え、前記スイッチング素子のオンオフ動作により前記入力側導電路に印加された電圧を昇圧又は降圧して前記出力側導電路に出力する電圧変換部と、
前記出力側導電路の電圧値を検出する電圧検出部と、
フィードバック演算で使用する使用ゲインを設定するゲイン設定部と、
少なくとも前記電圧検出部で検出された電圧値と前記ゲイン設定部で設定された前記使用ゲインとに基づいて前記出力側導電路の電圧値を目標電圧値に近づけるようにPWM信号のデューティを算出するフィードバック演算を繰り返し行う演算部を備え、前記演算部がフィードバック演算を行う毎に、フィードバック演算で算出された算出デューティに基づいて使用デューティを決定するデューティ決定部と、
前記デューティ決定部で決定した前記使用デューティに応じたPWM信号を前記スイッチング素子に向けて出力する駆動部と、
を有し、
前記ゲイン設定部は、前記電圧検出部で検出された電圧値に基づいて前記使用ゲインを設定する。
ゲイン設定部は、電圧検出部で検出された電圧値と目標電圧値との差が所定閾値未満である場合に第1ゲインを使用ゲインとして設定し、電圧検出部で検出された電圧値と目標電圧値との差が所定閾値以上である場合に第1ゲインよりも大きい第2ゲインを使用ゲインとして設定する構成であってもよい。
電圧検出部で検出された電圧値と目標電圧値との差が所定閾値よりも大きい第2閾値以上である場合、第2ゲインに基づくフィードバック演算で算出された算出デューティに対し所定の加算処理で得られた加算値を加算して使用デューティを決定し、電圧検出部で検出された電圧値と目標電圧値との差が所定閾値以上且つ第2閾値未満である場合、第2ゲインに基づくフィードバック演算で算出された算出デューティを使用デューティとして決定する構成であってもよい。
このように構成された車載用のDCDCコンバータは、出力電圧値と目標電圧値との差がより大きい場合(第2閾値以上である場合)、相対的に大きい第2ゲインを用いてフィードバック演算を行う動作と、デューティに加算値(所定の加算処理で得られた値)を加算してデューティを増大させる動作とを併用することができる。つまり、出力電圧値と目標電圧値との差がより大きい場合には、出力電圧値と目標電圧値との差を減少させる速度を一層大きくすることができる。
以下、本発明を具体化した実施例1について説明する。
図1で示すDCDCコンバータ1は、例えば、車載用の昇降圧型DCDCコンバータとして構成されており、第1導電路91又は第2導電路92の一方の導電路に印加された直流電圧を昇圧又は降圧して他方の導電路に出力する構成をなすものである。
図3のフィードバック制御は、デューティ決定部41によって実行される制御であり、短い時間間隔で周期的に繰り返される処理である。デューティ決定部41は、所定の動作開始条件の成立に伴い、図3の流れで制御を行う。動作開始条件は、例えばイグニッション信号のオフからオンへの切り替わり等であり、これ以外の動作開始条件であってもよい。なお、以下で説明するフィードバック制御は、電圧変換部6を降圧モードで動作させる場合でも、昇圧モードで動作させる場合でも、同様に適用できる。
上述の車載用のDCDCコンバータ1は、電圧検出部20で検出された出力電圧値に基づいて使用ゲインを設定することができるため、電圧変換部6が実際に電圧変換を行っているときの出力電圧値に合わせたゲインでフィードバック演算を行うことができる。
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。また、上述した実施形態や後述する実施形態の様々な特徴は、矛盾しない組み合わせであればどのように組み合わせてもよい。
6…電圧変換部
8…駆動部
20,21,22…電圧検出部
41…デューティ決定部
42…ゲイン設定部
49…演算部
91…第1導電路(入力側導電路、出力側導電路)
92…第2導電路(入力側導電路、出力側導電路)
T1,T2,T3,T4…スイッチング素子
Claims (1)
- 第1導電路及び第2導電路に電気的に接続されるとともに前記第1導電路及び前記第2導電路のいずれか一方を入力側導電路とし、他方を出力側導電路とし、前記入力側導電路に印加された電圧を昇圧又は降圧して前記出力側導電路に出力する車載用のDCDCコンバータであって、
PWM信号が与えられることに応じてオンオフ動作するスイッチング素子を備え、前記スイッチング素子のオンオフ動作により前記入力側導電路に印加された電圧を昇圧又は降圧して前記出力側導電路に出力する電圧変換部と、
前記出力側導電路の電圧値を検出する電圧検出部と、
フィードバック演算で使用する使用ゲインを設定するゲイン設定部と、
少なくとも前記電圧検出部で検出された電圧値と前記ゲイン設定部で設定された前記使用ゲインとに基づいて前記出力側導電路の電圧値を目標電圧値に近づけるようにPWM信号のデューティを算出するフィードバック演算を繰り返し行う演算部を備え、前記演算部がフィードバック演算を行う毎に、フィードバック演算で算出された算出デューティに基づいて使用デューティを決定するデューティ決定部と、
前記デューティ決定部で決定した前記使用デューティに応じたPWM信号を前記スイッチング素子に向けて出力する駆動部と、
を有し、
前記ゲイン設定部は、前記電圧検出部で検出された電圧値に基づいて前記使用ゲインを設定し、
前記ゲイン設定部は、前記電圧検出部で検出された電圧値と前記目標電圧値との差が所定閾値未満である場合に第1ゲインを前記使用ゲインとして設定し、前記電圧検出部で検出された電圧値と前記目標電圧値との差が前記所定閾値以上である場合に前記第1ゲインよりも大きい第2ゲインを前記使用ゲインとして設定し、
前記デューティ決定部は、
前記演算部がフィードバック演算を行う場合において、
前記電圧検出部で検出された電圧値と前記目標電圧値との差が前記所定閾値よりも大きい第2閾値以上である場合、前記第2ゲインに基づくフィードバック演算で算出された前記算出デューティに対し所定の加算処理で得られた加算値を加算して前記使用デューティを決定し、
前記電圧検出部で検出された電圧値と前記目標電圧値との差が前記所定閾値以上であって且つ前記第2閾値未満である場合、前記第2ゲインに基づくフィードバック演算で算出された前記算出デューティを前記使用デューティとして決定する車載用のDCDCコンバータ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2018029489A JP6962233B2 (ja) | 2018-02-22 | 2018-02-22 | 車載用のdcdcコンバータ |
CN201980011450.1A CN111684696A (zh) | 2018-02-22 | 2019-02-01 | 车载用的dcdc转换器 |
US16/970,400 US11121630B2 (en) | 2018-02-22 | 2019-02-01 | In-vehicle DC-DC converter |
PCT/JP2019/003576 WO2019163479A1 (ja) | 2018-02-22 | 2019-02-01 | 車載用のdcdcコンバータ |
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JP2018029489A JP6962233B2 (ja) | 2018-02-22 | 2018-02-22 | 車載用のdcdcコンバータ |
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JP2019146398A JP2019146398A (ja) | 2019-08-29 |
JP2019146398A5 JP2019146398A5 (ja) | 2020-07-27 |
JP6962233B2 true JP6962233B2 (ja) | 2021-11-05 |
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JP (1) | JP6962233B2 (ja) |
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WO (1) | WO2019163479A1 (ja) |
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JP6962233B2 (ja) * | 2018-02-22 | 2021-11-05 | 株式会社オートネットワーク技術研究所 | 車載用のdcdcコンバータ |
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