JP7375779B2 - ハイブリッド車両の制御装置 - Google Patents
ハイブリッド車両の制御装置 Download PDFInfo
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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
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- 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
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Description
12:エンジン
14:前輪(副駆動輪)
16:後輪(主駆動輪)
18:動力伝達装置(車両用動力伝達装置)
26:トランスファー(駆動力配分装置)
90:電子制御装置(制御装置)
92a:エンジン制御部
92b:電動機制御部
96:走行モード制御部
98:報知制御部
106:副変速機(変速機)
120:副変速機用噛合クラッチ(噛合式クラッチ)
MG:電動機
Claims (8)
- エンジンと、電動機と、駆動力を主駆動輪と副駆動輪とに配分する駆動力配分装置と、前記駆動力配分装置に設けられた、ローギヤ段とハイギヤ段とが択一的に形成される変速機と、を備えたハイブリッド車両の、制御装置であって、
前記エンジンの作動状態を制御するエンジン制御部と、
運転者により選択される走行モードを実現するように前記ハイブリッド車両の走行を制御する走行モード制御部と、
を含み、
前記走行モードは、前記主駆動輪と前記副駆動輪との何れもに前記駆動力を配分して走行する全輪駆動モードとして、前記変速機が前記ローギヤ段とされたローギヤ全輪駆動モードと、前記変速機が前記ハイギヤ段とされたハイギヤ全輪駆動モードと、を含むものであり、
前記エンジン制御部は、前記エンジンが停止状態であって、前記駆動力を伝達する車両用動力伝達装置が前記駆動力を伝達不能とする非走行位置とされているときの前記ハイギヤ全輪駆動モードにおいて、前記ローギヤ全輪駆動モードが選択された場合には、前記走行モード制御部による前記ハイギヤ全輪駆動モードから前記ローギヤ全輪駆動モードへの切替えが完了させられるまで前記エンジンの停止状態を維持し、前記ローギヤ全輪駆動モードへの切替えが完了させられた後に前記エンジンを始動することを特徴とするハイブリッド車両の制御装置。 - 前記エンジン制御部は、前記車両用動力伝達装置の前記非走行位置を選択する状態から前記車両用動力伝達装置が前記駆動力を伝達可能とする走行位置を選択する状態への切替操作が前記運転者により為された後に前記エンジンを始動することを特徴とする請求項1に記載のハイブリッド車両の制御装置。
- 前記エンジン制御部は、前記車両用動力伝達装置の前記非走行位置を選択する状態から前記車両用動力伝達装置が前記駆動力を伝達可能とする走行位置を選択する状態への切替操作と、前記切替操作後における前記駆動力を増大する加速要求操作と、が前記運転者により為された後に前記エンジンを始動することを特徴とする請求項1に記載のハイブリッド車両の制御装置。
- 前記エンジン制御部は、前記切替操作に伴って前記車両用動力伝達装置が前記非走行位置から前記走行位置へ切り替えられている過渡中は、前記エンジンの始動を開始しないことを特徴とする請求項2又は3に記載のハイブリッド車両の制御装置。
- 前記エンジンが停止状態とされているときの前記ハイギヤ全輪駆動モードにおいて、クリープ現象を生じさせる所定トルクを前記電動機から出力させる電動機制御部を更に含むものであり、
前記走行モード制御部は、前記電動機から前記所定トルクが出力させられた状態で、前記変速機に備えられた噛合式クラッチを作動させて前記変速機を前記ハイギヤ段から前記ローギヤ段へ切り替えることによって、前記エンジンの停止状態が維持された状態で前記ハイギヤ全輪駆動モードから前記ローギヤ全輪駆動モードへの切替えを実行することを特徴とする請求項1に記載のハイブリッド車両の制御装置。 - 前記エンジン制御部は、前記ハイギヤ全輪駆動モード及び前記ローギヤ全輪駆動モードでは各々、前記エンジンの運転状態から停止状態への切替えを禁止することを特徴とする請求項1に記載のハイブリッド車両の制御装置。
- 前記走行モードは、前記主駆動輪のみに前記駆動力を配分して走行する主駆動輪駆動モードとして、前記変速機が前記ハイギヤ段とされたハイギヤ主駆動輪駆動モードを含むものであり、
前記走行モード制御部は、前記エンジンが停止状態とされているときの前記ハイギヤ主駆動輪駆動モードにおいて前記ローギヤ全輪駆動モードが選択された場合には、前記ハイギヤ主駆動輪駆動モードから前記ローギヤ全輪駆動モードへの切替えを実行せず、前記エンジンの停止状態が維持された状態で前記ハイギヤ主駆動輪駆動モードから前記ハイギヤ全輪駆動モードへの切替えを実行することを特徴とする請求項1に記載のハイブリッド車両の制御装置。 - 前記ハイギヤ主駆動輪駆動モードにおいて前記ローギヤ全輪駆動モードが選択された場合には、前記ハイギヤ全輪駆動モードへの切替えを実行したことと、前記ローギヤ全輪駆動モードの選択から前記ハイギヤ全輪駆動モードの選択への切替えを促すことと、を前記運転者に報知する報知制御部を更に含むことを特徴とする請求項7に記載のハイブリッド車両の制御装置。
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