JP2014201103A - 車両 - Google Patents
車両 Download PDFInfo
- Publication number
- JP2014201103A JP2014201103A JP2013076631A JP2013076631A JP2014201103A JP 2014201103 A JP2014201103 A JP 2014201103A JP 2013076631 A JP2013076631 A JP 2013076631A JP 2013076631 A JP2013076631 A JP 2013076631A JP 2014201103 A JP2014201103 A JP 2014201103A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- cooling
- operation mode
- reference temperature
- cooling medium
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 105
- 239000002826 coolant Substances 0.000 claims description 62
- 238000002485 combustion reaction Methods 0.000 claims description 29
- 230000004044 response Effects 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 10
- 230000005856 abnormality Effects 0.000 abstract description 6
- 239000000498 cooling water Substances 0.000 description 53
- 238000000034 method Methods 0.000 description 27
- 230000008569 process Effects 0.000 description 27
- 230000007704 transition Effects 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/08—Air inlets for cooling; Shutters or blinds therefor
- B60K11/085—Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
- B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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- B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
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- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/184—Preventing damage resulting from overload or excessive wear of the driveline
- B60W30/1843—Overheating of driveline components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
- B60W50/038—Limiting the input power, torque or speed
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/525—Temperature of converter or components thereof
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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
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/26—Transition between different drive modes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
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- B60W50/029—Adapting to failures or work around with other constraints, e.g. circumvention by avoiding use of failed parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
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- 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
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- 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
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- 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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
図1は、本実施の形態に従う車両100の全体ブロック図である。図1を参照して、車両100は、蓄電装置110と、システムメインリレー(System Main Relay:SMR)115と、駆動装置105と、制御装置であるECU(Electronic Control Unit)300とを備える。
上述のような駆動装置の冷却装置にグリルシャッタを有する車両において、グリルシャッタに故障が生じて開閉動作が行なえなくなり、シャッタが閉止した状態あるいは閉止に近い状態のままとなった場合、すなわち、シャッタ開度が所定開度以下のままとなった状態(以下、「閉故障状態」とも称する。)を考える。
上記では、ハイブリッド車両において、エンジンの温度および電動駆動部の温度の双方に基づいて走行モードを切換える構成について説明したが、本発明は、エンジンのみを駆動源として備える車両や、電気自動車のように回転電機のみを駆動源として備える車両についても適用可能である。
Claims (13)
- 駆動力を発生するための駆動源と、
前記駆動源を冷却するための空気量を調整可能に構成されたシャッタ装置と、
前記駆動源を制御するための制御装置とを備え、
前記制御装置は、前記シャッタ装置の故障を検知した場合には、前記駆動源の温度に応じて前記駆動源の動作制限を行なう、車両。 - 前記シャッタ装置は、前記車両のフロントグリルに設けられ、シャッタの開度を調整することによって前記フロントグリルを通過する空気量を調整し、
前記制御装置は、前記シャッタの開度が所定開度よりも閉状態のままとなる故障を検知した場合に前記駆動源の動作制限を行なう、請求項1に記載の車両。 - 前記駆動源は、内燃機関を含み、
前記制御装置は、前記内燃機関の温度に応じて、前記内燃機関の動作制限を行なう、請求項1または2に記載の車両。 - 前記制御装置は、前記シャッタ装置の故障を検知し、かつ前記内燃機関の温度が所定の基準温度を上回った場合は、前記内燃機関の回転速度および出力トルクの少なくとも一方を制限する、請求項3に記載の車両。
- 前記制御装置は、前記シャッタ装置の故障を検知し、かつ前記内燃機関の温度が所定の基準温度を上回った場合は、前記内燃機関を停止する、請求項3に記載の車両。
- 蓄電装置をさらに備え、
前記駆動源は、回転電機と、前記蓄電装置からの電力を用いて前記回転電機を駆動するための電力変換装置とを含み、
前記制御装置は、前記回転電機および前記電力変換装置の少なくとも一方の温度に基づいて、前記回転電機の動作制限を行なう、請求項1〜3のいずれか1項に記載の車両。 - 前記電力変換装置は、前記蓄電装置の出力電圧を昇圧することが可能なコンバータを含み、
前記制御装置は、前記シャッタ装置の故障を検知し、かつ、前記回転電機および前記電力変換装置の少なくとも一方の温度がそれぞれに対応して予め定められた所定の基準温度を上回った場合は、前記コンバータの昇圧動作を制限する、請求項6に記載の車両。 - 前記制御装置は、前記シャッタ装置の故障を検知し、かつ、前記回転電機および前記電力変換装置の少なくとも一方の温度がそれぞれに対応して予め定められた所定の基準温度を上回った場合は、前記回転電機の負荷率を制限するように前記電力変換装置を制御する、請求項6に記載の車両。
- 前記シャッタ装置を通過した空気を送風して冷却媒体を冷却するための冷却ファンと、
冷却された前記冷却媒体を前記駆動源に送出して、前記駆動源を冷却するためのポンプとをさらに備え、
前記制御装置は、前記シャッタ装置の故障を検知し、かつ前記冷却媒体の温度が所定の基準温度を上回った場合は、前記所定の基準温度よりも低い場合に比べて、前記冷却ファンの送風量および前記ポンプの吐出量の少なくとも一方を増加するように制御する、請求項1に記載の車両。 - 内燃機関と、
冷却媒体により前記内燃機関を冷却するための冷却装置と、
前記内燃機関および前記冷却装置を制御するための制御装置とを備え、
前記冷却装置は、
前記内燃機関を冷却するための空気量を調整可能に構成されたシャッタ装置と、
前記シャッタ装置を通過した空気を送風して前記冷却媒体を冷却するための冷却ファンと、
前記冷却媒体を前記内燃機関に送出するためのポンプとを含み、
前記制御装置は、前記シャッタ装置の故障を検知した場合に、
前記冷却媒体の温度が第1の基準温度より低い場合には通常運転モードを選択し、
前記冷却媒体の温度が前記第1の基準温度を上回ったことに応答して、前記通常運転モードに比べて前記冷却ファンの送風量および前記ポンプの吐出量の少なく一方を増加するように前記冷却装置を制御する第1の運転モードを選択し、
前記冷却媒体の温度が前記第1の基準温度よりも高い第2の基準温度を上回ったことに応答して、前記通常運転モードに比べて前記内燃機関の回転速度および出力トルクの少なくとも一方を制限する第2の運転モードを選択し、
前記冷却媒体の温度が前記第2の基準温度よりも高い第3の基準温度を上回ったことに応答して、前記内燃機関を停止する第3の運転モードを選択する、車両。 - 前記制御装置は、
前記第1の運転モードが選択されている場合に、前記冷却媒体の温度が前記第1の基準温度よりも低い第4の基準温度を下回ったことに応答して、運転モードを前記第1の運転モードから前記通常運転モードに切換え、
前記第2の運転モードが選択されている場合に、前記冷却媒体の温度が前記第1の基準温度と前記第2の基準温度との間の第5の基準温度を下回ったことに応答して、運転モードを前記第2の運転モードから前記第1の運転モードに切換え、
前記第3の運転モードが選択されている場合に、前記冷却媒体の温度が前記第2の基準温度と前記第3の基準温度との間の第6の基準温度を下回ったことに応答して、運転モードを前記第3の運転モードから前記第2の運転モードに切換える、請求項10に記載の車両。 - 蓄電装置と、
回転電機および、前記蓄電装置からの電力を用いて前記回転電機を駆動するための電力変換装置を含む駆動装置と、
冷却媒体により前記駆動装置を冷却するための冷却装置と、
前記駆動装置および前記冷却装置を制御するための制御装置とを備え、
前記冷却装置は、
前記駆動装置を冷却するための空気量を調整可能に構成されたシャッタ装置と、
前記シャッタ装置を通過した空気を送風して前記冷却媒体を冷却するための冷却ファンと、
前記冷却媒体を前記駆動装置に送出するためのポンプとを含み、
前記電力変換装置は、スイッチング素子の上下アームを有するチョッパ回路に形成され、前記蓄電装置の出力電圧を昇圧することが可能なコンバータを含み、
前記制御装置は、前記シャッタ装置の故障を検知した場合に、
前記冷却媒体の温度が第1の基準温度より低い場合には通常運転モードを選択し、
前記冷却媒体の温度が前記第1の基準温度を上回ったことに応答して、前記通常運転モードに比べて前記冷却ファンの送風量および前記ポンプの吐出量の少なく一方を増加するように前記冷却装置を制御する第1の運転モードを選択し、
前記冷却媒体の温度が前記第1の基準温度よりも高い第2の基準温度を上回ったことに応答して、前記コンバータの上アームのスイッチング素子を導通状態に保持する第2の運転モードを選択し、
前記冷却媒体の温度が前記第2の基準温度よりも高い第3の基準温度を上回ったことに応答して、前記通常運転モードに比べて前記回転電機の負荷率を制限するように前記電力変換装置を制御する第3の運転モードを選択する、車両。 - 前記制御装置は、
前記第1の運転モードが選択されている場合に、前記冷却媒体の温度が前記第1の基準温度よりも低い第4の基準温度を下回ったことに応答して、運転モードを前記第1の運転モードから前記通常運転モードに切換え、
前記第2の運転モードが選択されている場合に、前記冷却媒体の温度が前記第1の基準温度と前記第2の基準温度との間の第5の基準温度を下回ったことに応答して、運転モードを前記第2の運転モードから前記第1の運転モードに切換え、
前記第3の運転モードが選択されている場合に、前記冷却媒体の温度が前記第2の基準温度と前記第3の基準温度との間の第6の基準温度を下回ったことに応答して、運転モードを前記第3の運転モードから前記第2の運転モードに切換える、請求項12に記載の車両。
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