JP7555424B2 - ハイブリッド車のトルク配分戦略 - Google Patents
ハイブリッド車のトルク配分戦略 Download PDFInfo
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- 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
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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 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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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/354—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having separate mechanical assemblies for transmitting drive to the front or to the rear wheels or set of wheels
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
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- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
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Description
Claims (14)
- 車両の電気機械を制御するための制御システムであって、
前記車両は、第1車軸車輪トルクを生成するために前記車両の第1の車軸にトルクを提供するように構成された内燃式のエンジンと、第2車軸車輪トルクを生成するために前記車両の第2の車軸にトルクを提供するように構成された電気機械とを含み、
前記制御システムは、1以上のコントローラを含み、
前記制御システムは、
前記エンジンのトルク要求および前記電気機械のトルク要求を出力することであって、前記エンジンの前記トルク要求と前記電気機械との前記トルク要求は、前記第1車軸車輪トルクと前記第2車軸車輪トルクとの間の要求トルク分割に依存する第1の比率を有し、受け取った前記第1車軸車輪トルクおよび受け取った前記第2車軸車輪トルクは、前記エンジンと前記電気機械との車輪トルク応答能力の差に依存する可変的な第2の比率を有し、受け取った前記第1車軸車輪トルクは前記第1の車軸の車輪で受け取るトルクで、受け取った前記第2車軸車輪トルクは前記第2の車軸の車輪で受け取るトルクである、ことと、
前記内燃式のエンジンによって提供可能なトルクに応じて、前記エンジンのトルク要求に対する不足の指標を受信することであって、前記第1の比率からの第2の比率の偏差が前記不足の指標に依存する、ことと、
トリガ条件が充足されることを決定することであって、前記トリガ条件が低トラクショントリガ条件である、ことと、
前記トリガ条件が充足されると、前記第1の比率からの前記第2の比率の偏差を抑制するように前記電気機械に対するトルク要求の決定を抑制偏差制御すること、を行うように構成されている、制御システム。 - 前記低トラクショントリガ条件の充足は、低トラクション駆動面に関連する地形への、前記車両に対する地形の変化に依存し、
前記車両に対する地形が変化したという判断に応答して、前記車両に対する地形が低トラクション走行路面に関連しない地形に変化したという後の判断まで、抑制偏差制御が維持される、請求項1に記載の制御システム。 - 地形が変化したという前記判断は、前記車両が現在走行している路面の特性及び/又は種類を判定することを含む、請求項2に記載の制御システム。
- 地形が変化したという前記判断は、前記車両ユーザからの前記車両の地形モードを選択する少なくとも1つの入力を受け取ることを含む、請求項2または3に記載の制御システム。
- 前記トリガ条件の充足は、車輪スリップの検出に依存し、
前記車輪スリップの検出に応答して、前記車輪スリップがもはや検出されないことに関連する終了条件が満たされるまで、制御が維持される、請求項1から4のいずれかに記載の制御システム。 - 前記電気機械に対する前記トルク要求および前記内燃機関に対する前記トルク要求は、前記車両の前記トルク要求に依存しており、
前記電気機械が前記第2の車軸にトルクを提供し、前記エンジンが前記第1の車軸にトルクを提供する、請求項1から5のいずれかに記載の制御システム。 - 前記要求トルク分割は、車速、車両ステアリング、横方向加速度、または縦方向加速度のうちの少なくとも1つに依存する、請求項1から6のいずれかに記載の制御システム。
- 前記抑制偏差制御は、前記電気機械から要求可能なトルクを制限する制約を用いて行われる、請求項1から7のいずれかに記載の制御システム。
- 前記抑制偏差制御は、前記電気機械に対するトルク要求を低減するように構成され、これにより、前記エンジンが前記エンジンのトルクを変化させる速度に基づいて、前記電気機械が前記電気機械の提供トルクを前記電気機械の能力よりも遅い速度で変化させることを許容される、請求項1から8のいずれかに記載の制御システム。
- 前記電気機械のトルク要求の低減は、検出または推定されたエンジントルクに依存するエンジントルク制約に依存し、
前記エンジントルクは、前記エンジンに対する前記トルク要求に応答して前記エンジンにより提供可能なトルクに依存する、請求項9に記載の制御システム。 - 前記電気機械に対する前記トルク要求の判断を制御して、前記電気機械に補償トルクを前記第2の車軸に提供させ、
前記補償トルクは、前記不足分を補償するが、可変の前記第2の比率を前記第1の比率から偏移させるように構成され、
トリガ条件が満たされると、前記抑制偏差制御は、前記第1の比率から前記第2の比率への偏差が抑制されるように、前記第2の車軸への前記補償トルクの提供を抑制する、請求項8に記載の制御システム。 - 請求項1から11のいずれかに記載の制御システムと、前記電気機械と、前記内燃機関とを備え、
前記車両は、前記エンジンから前記第1の車軸にトルクを機械的に供給し、前記電気機械から前記第2の車軸にトルクを供給するように構成されるが、前記エンジンから前記第2の車軸にトルクを機械的に供給することができず、前記電気機械から前記第1の車軸にトルクを機械的に供給することができない、システム。 - 車両の電気機械を制御する方法であって、
前記車両は、第1の車軸車輪トルクを生成するために前記車両の第1の車軸にトルクを提供するように構成された内燃式のエンジンと、第2の車軸車輪トルクを生成するために前記車両の第2の車軸にトルクを提供するように構成された電気機械とを含み、
前記方法は、
前記エンジンに対するトルク要求と前記電気機械に対するトルク要求とを出力するステップであって、前記エンジンに対する前記トルク要求と前記電気機械に対する前記トルク要求は、前記第1車軸車輪トルクと前記第2車軸車輪トルクとの間の要求トルク分割に依存する第1の比率を有し、受け取った前記第1車軸車輪トルクと受け取った前記第2車軸車輪トルクは、前記エンジンと前記電気機械との車輪トルク応答能力の差に依存する第2の可変比率を有し、受け取った前記第1車軸車輪トルクは前記第1の車軸の車輪で受けるトルクであり、受け取った前記第2車軸車輪トルクは前記第2の車軸の車輪で受けるトルクである、ステップと、
前記内燃式のエンジンによって提供可能なトルクに応じて、前記エンジンのトルク要求に対する不足の指標を受信するステップであって、前記第1の比率からの前記第2の比率の前記偏差が前記不足の指標に依存する、ステップと、
トリガ条件が充足されたことを判断するステップであって、前記トリガ条件が低トラクショントリガ条件である、ステップと、
前記トリガ条件が充足されると、前記第1の比率からの前記第2の比率の偏差が抑制されるように、前記電気機械に対するトルク要求の決定を制御するステップとを有する、方法。 - 実行されると、請求項13に記載の方法を実行するように構成されるコンピュータソフトウェア。
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| CN113619406A (zh) * | 2021-09-02 | 2021-11-09 | 北京汽车集团越野车有限公司 | 一种汽车助力功能的控制方法及装置 |
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