JP5333457B2 - 車両の充電システム - Google Patents
車両の充電システム Download PDFInfo
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- JP5333457B2 JP5333457B2 JP2010541910A JP2010541910A JP5333457B2 JP 5333457 B2 JP5333457 B2 JP 5333457B2 JP 2010541910 A JP2010541910 A JP 2010541910A JP 2010541910 A JP2010541910 A JP 2010541910A JP 5333457 B2 JP5333457 B2 JP 5333457B2
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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
- 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]
- B60L58/14—Preventing excessive discharging
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
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- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0038—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to sensors
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- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- 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
- B60L53/10—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 the energy transfer between the charging station and the vehicle
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- 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
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- B60L58/13—Maintaining the SoC within a determined range
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Hybrid Electric Vehicles (AREA)
- Secondary Cells (AREA)
Description
図1は、この発明による電動車両の一例として示されるハイブリッド自動車の全体ブロック図である。
図3を参照して、充電器42は、フィルタ81と、電力制限部80と、温度センサ87と、電圧センサ91,93,94と、電流センサ92,95と、マイコン(マイクロコンピュータ)88とを含む。
図5を参照して、充電ECU46は、電力算出部52と、減算部53と、フィードバック(FB)制御部54と、出力制限部65と、加算部62とを含む。
本実施の形態では、上記に説明したハイブリッド車両の構成において、充電ECU46が図6および図14に示す制御を行ない、充電器42の異常検出や充電の中止、中断および再開を行なう。
図7において、フィードバック補正値PCがしきい値−α1より小さい領域A1は、目標値PRに対して−α1よりも小さい補正をかけて電力指令値CHPWを出力している状態に対応する。このような状態は、充電器42から蓄電装置10−1,10−2,10−3のいずれかに向けて送られている電力が大きすぎるので、これを急激に小さくするように補正値が出力されている状態である。このような場合には、ステップS11に処理が進み、充電器42から出力される電力が目標値を異常に超過している状態であるという診断結果(ダイアグノーシス:diagnosis)が確定され、充電が中止される。
図8に示すように、フィードバック補正値PCがしきい値α2よりも大きい領域A2は、図5の目標値PRに対してしきい値α2以上の大きな補正をかけて電力指令値CHPWを出力している状態を示す。
図9に示すように、電力指令値CHPWは、目標値PR(≒PM2)に対して補機消費分の電力が足しこまれたラインL4によって決定される。なお、ラインL5は補機消費電力が最大となる見積もり量が加えられた場合のラインであり、ラインL4はラインL3とラインL5の間に位置する。なお、充電器42がセーブ運転を実行している場合には、目標値PRが大きくても充電器42が制限値PSに制限しているので充電器42の内部では電力指令値CHPWも領域A4の内部に制限されている。
図10を参照して、横軸に目標値PRが示され、縦軸に充電電力モニタ値PM2が示されている。なお、充電電力モニタ値PM2は、充電対象の蓄電装置に充電される電力を対応する電流センサと電圧センサの検出値の積によって求めたものである。すなわちPM2は、IB1×VB1,IB2×VB2,IB3×VB3のいずれか1つである。
図11において、横軸に目標値PRが示され、縦軸には充電電力モニタ値PM2が示される。なお、充電対象が、マスタバッテリである蓄電装置10−1の場合には、充電電力モニタ値PM2はIB1×VB1となる。
図15を参照して、まずマスタバッテリ充電中において領域A8に動作点が属する場合には、充電ECU46は充電器42に対して充電を中断させる。これは、補機による消費電力が大きいため、マスタバッテリに、しきい値X以上の電力が充電できない場合を示している。このような場合には、充電状態SOCの正しい算出ができないので、マスタバッテリが過充電となってしまうおそれがある。このため充電を一旦中断させる。
TB(マスタバッテリSOC持続時間)=((マスタバッテリSOC)−(強制終了SOC))/(補機消費電力)
そして、TB<TAとなる場合には、補機消費電力が図15のしきい値Xより小の場合でも補機消費電力「大」であると判定し、スレーブバッテリの充電は継続するがユーザには告知することがよい。
(1)電池を保護するため、充電電力が目標値と乖離する前にフィードバック補正量のずれがしきい値よりも大きいことで充電器42の異常を検知する(図6のステップS2、S3)。急な故障も瞬時に検知するため、充電電力の絶対値または充電電力モニタ値と目標値の偏差にもしきい値を設定する。いずれかの値がしきい値を超えたことで充電器42の故障の診断を確定させる。
Claims (5)
- 車載の蓄電装置を充電する車両の充電システムであって、
前記蓄電装置を充電するために車両外部の電源から電力が供給されるように構成された充電器と、
前記蓄電装置に供給される充電電力を検知する充電電力検知部と、
目標値に基づいて前記充電器に対する電力指令値を生成することによって前記充電器の制御を行なう充電制御装置とを備え、
前記充電制御装置は、前記充電電力検知部により検知された充電電力と前記目標値との差を検出し、検出した差に基づいて前記充電器の異常発生の有無を判断し、
前記車両は、
前記充電器から出力される電力の一部によって駆動され得る補機を含み、
前記蓄電装置は、
前記補機への電力供給経路に接続された第1の蓄電装置と、
前記充電器の出力が接続された第2の蓄電装置とを含み、
前記車両の充電システムは、
前記第1の蓄電装置の電圧と電気負荷への供給電圧との間で電圧変換を行なう第1の電圧コンバータと、
前記第2の蓄電装置の電圧と前記供給電圧との間で電圧変換を行なう第2の電圧コンバータとをさらに備え、
前記充電制御装置は、前記第1、第2の電圧コンバータを制御することにより前記充電器から前記充電電力が供給される充電対象を前記第1、第2の蓄電装置のうちから選択し、
前記第1の蓄電装置が充電対象である場合には、前記充電制御装置は、前記補機の消費電力が過大であると判断したときには前記充電器による外部からの前記充電対象に対する充電を中断し、中断後に前記補機の消費電力が減少し適切な前記充電電力を確保できる状態となったときに前記充電対象に対する充電を再開させ、
前記第2の蓄電装置が充電対象である場合には、前記充電制御装置は、前記補機の消費電力が過大であると判断したときには、前記充電対象の充電状態がしきい値より小さくなったとき、または前記補機の消費電力が過大である時間が所定時間を超えたときに、前記補機の動作停止を含む車両のシステム強制終了を実行する、車両の充電システム。 - 前記車両の充電システムは、
前記充電器から出力される電力を検知する充電器出力電力検知部をさらに備え、
前記充電制御装置は、前記充電器から出力される電力と前記充電電力とに基づいて、適切な前記充電電力を確保するためには前記補機で消費される消費電力が過大であるか否かを判断し、前記補機の消費電力が過大であると判断した場合には、前記蓄電装置の充電状態がしきい値より小さくなったとき、または前記補機の消費電力が過大である時間が所定時間を超えたときに、前記補機の動作停止を含む車両のシステム強制終了を実行する、請求項1に記載の車両の充電システム。 - 前記充電制御装置は、前記補機の消費電力が過大であると判断した場合には前記充電器による外部からの前記蓄電装置に対する充電を中断し、中断後に前記補機の消費電力が減少し適切な前記充電電力を確保できる状態となったときに前記蓄電装置に対する充電を再開させる、請求項2に記載の車両の充電システム。
- 前記適切な前記充電電力は、前記充電電力検知部の出力に基づいて前記蓄電装置の充電状態が適切に推定できる下限値より大きい電力である、請求項2または3に記載の車両の充電システム。
- 前記車両は、
前記蓄電装置から電力を受けて作動する車両駆動用のモータと、
前記モータと共に車両駆動用として併用される内燃機関とを含む、請求項1に記載の車両の充電システム。
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- 2008-12-09 US US13/000,772 patent/US8648565B2/en active Active
- 2008-12-09 JP JP2010541910A patent/JP5333457B2/ja active Active
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WO2010067417A1 (ja) | 2010-06-17 |
US8648565B2 (en) | 2014-02-11 |
CN102246386B (zh) | 2014-06-11 |
CN102246386A (zh) | 2011-11-16 |
US20110101915A1 (en) | 2011-05-05 |
JPWO2010067417A1 (ja) | 2012-05-17 |
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