JP6237580B2 - モータ制御装置 - Google Patents
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- JP6237580B2 JP6237580B2 JP2014230774A JP2014230774A JP6237580B2 JP 6237580 B2 JP6237580 B2 JP 6237580B2 JP 2014230774 A JP2014230774 A JP 2014230774A JP 2014230774 A JP2014230774 A JP 2014230774A JP 6237580 B2 JP6237580 B2 JP 6237580B2
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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 ; 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
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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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Description
自車両の前方を走行する前方車両との車間距離を検出する車間センサ(91)と、
自車両と前方車両との速度差を検出する速度センサ(81)と、
自車両を運転するユーザーによるアクセル踏み込み量を検出するアクセルセンサ(92)と、
車間距離、速度差、および、アクセル踏み込み量に基づいてモータの回生トルクを制御する制御部(80)と、を有し、
制御部は、アクセル踏み込み量が所定踏み込み量以下の場合にユーザーが減速意向であると判定し、車間距離が第1所定距離以下であり、速度差が所定速度よりも大きい接近状態の場合、車間距離が第1所定距離よりも大きく速度差が所定速度以下の非接近状態の場合よりもモータの回生トルクを高め、回生制動力を発生させ、接近状態において、車間距離が第1所定距離よりも短い第2所定距離になるまでに速度差がゼロになる理想回生トルクを算出して、モータの回生トルクを理想回生トルクに設定し、減速意向時の回生処理を行っている最中に、回生制動力の発生だけでは車間距離が第2所定距離を過ぎても速度差がゼロにならないと判定した場合、自車両に搭載された油圧ブレーキ(54)によって制動力を発生させることを特徴とする。
(第1実施形態)
図1〜図7に基づいてハイブリッド自動車を説明する。図1においては後述する制御部80とエンジン10などのアクチュエータとの電気的な信号線は煩雑となることを避けるために省略している。そして特許請求の範囲に記載のモータ制御装置は、制御部80とセンサ部90によって構成されている。
80…制御部
81…ハイブリッドECU
91…車間センサ
92…アクセルセンサ
Claims (5)
- 車両に搭載されたモータ(20)を制御するモータ制御装置であって、
自車両の前方を走行する前方車両との車間距離を検出する車間センサ(91)と、
前記自車両と前記前方車両との速度差を検出する速度センサ(81)と、
前記自車両を運転するユーザーによるアクセル踏み込み量を検出するアクセルセンサ(92)と、
前記車間距離、前記速度差、および、前記アクセル踏み込み量に基づいて前記モータの回生トルクを制御する制御部(80)と、を有し、
前記制御部は、前記アクセル踏み込み量が所定踏み込み量以下の場合に前記ユーザーが減速意向であると判定し、前記車間距離が第1所定距離以下であり、前記速度差が所定速度よりも大きい接近状態の場合、前記車間距離が第1所定距離よりも大きく前記速度差が所定速度以下の非接近状態の場合よりも前記モータの回生トルクを高め、回生制動力を発生させ、前記接近状態において、前記車間距離が前記第1所定距離よりも短い第2所定距離になるまでに前記速度差がゼロになる理想回生トルクを算出して、前記モータの回生トルクを前記理想回生トルクに設定し、減速意向時の回生処理を行っている最中に、前記回生制動力の発生だけでは前記車間距離が前記第2所定距離を過ぎても前記速度差がゼロにならないと判定した場合、前記自車両に搭載された油圧ブレーキ(54)によって制動力を発生させることを特徴とするモータ制御装置。 - 前記自車両のバッテリー状態を検出するバッテリーセンサ(93)を有し、
前記制御部は、
前記バッテリー状態と前記自車両のドライバビリティによって決定される回生トルクの上限値に基づいて、実現可能な許容回生トルク、および、前記理想回生トルクを第1所定時間間隔で算出し、
前記第1所定時間間隔で前記理想回生トルクと前記許容回生トルクとを比較し、前記理想回生トルクが前記許容回生トルクよりも小さい場合、前記モータの回生トルクを前記理想回生トルクに設定することを特徴とする請求項1に記載のモータ制御装置。 - 前記制御部は、前記理想回生トルクが前記許容回生トルクよりも大きい場合、前記許容回生トルクに基づいて、前記車間距離が前記第2所定距離になるまでに前記速度差をゼロに近づける最終回生トルクを算出し、前記モータの回生トルクを前記最終回生トルクに設定することを特徴とする請求項2に記載のモータ制御装置。
- 前記車間センサは、ミリ波レーダー若しくはカメラを備えることを特徴とする請求項1〜3いずれか1項に記載のモータ制御装置。
- 前記車間センサは前記車間距離を第2所定時間間隔で検出し、
前記速度センサは前記第2所定時間間隔で検出された前記車間距離に基づいて、前記速度差を検出することを特徴とする請求項4に記載のモータ制御装置。
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