JP6137213B2 - 車両の制御装置 - Google Patents
車両の制御装置 Download PDFInfo
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- JP6137213B2 JP6137213B2 JP2015020016A JP2015020016A JP6137213B2 JP 6137213 B2 JP6137213 B2 JP 6137213B2 JP 2015020016 A JP2015020016 A JP 2015020016A JP 2015020016 A JP2015020016 A JP 2015020016A JP 6137213 B2 JP6137213 B2 JP 6137213B2
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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
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2009—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for braking
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- 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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- 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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- Automation & Control Theory (AREA)
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- Combustion & Propulsion (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
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Description
図1は、実施形態に係る車両の制御装置を用いるEVの概略構成を示すブロック図である。なお、HVにおいても、モータジェネレータを利用して車両が走行されるので、同様に本発明を適用することができる。
そして、本実施形態においては、制御部20が衝突危険度に応じて昇圧コンバータ12を制御する。この制御について、図2に基づいて説明する。
図4には、昇圧コンバータ12の内部構成が示されている。昇圧コンバータ12は、直列接続された2つのスイッチング素子50,52と、スイッチング素子50,52の中間点に接続された1つのリアクトル54から構成されている。各スイッチング素子50,52は、IGBTなどのトランジスタと、このトランジスタの逆方向電流を流すダイオードとからなっている。
Claims (5)
- 前方を走行する先行車両との車間または相対速度に応じて車両を制御する車両の制御装置であって、
バッテリと、
このバッテリに接続されバッテリ電圧を昇圧する昇圧コンバータと、
この昇圧コンバータに接続され直流/交流変換を行うインバータと、
このインバータに接続され駆動力を出力するモータジェネレータと、
先行車両との車間距離が所定以下または前車と近づく方向の相対速度が所定以上の場合に前記昇圧コンバータの出力電圧を低下させる制御部と、
を有する車両の制御装置。 - 請求項1に記載の車両の制御装置であって、
前記車間距離がさらに小さくなった場合または前車と近づく方向の相対速度がさらに大きくなった場合に、前記昇圧コンバータによって昇圧される電圧を前記モータジェネレータによる逆起電力より大きい状態とするとともに、前記インバータをシャットダウンする、
車両の制御装置。 - 請求項2に記載の車両の制御装置であって、
前記昇圧コンバータによって昇圧される電圧を前記モータジェネレータによる逆起電力より大きい状態とするとともに、前記インバータをシャットダウンしている状態で、
前記車間距離がさらに小さくなった場合または前車と近づく方向の相対速度がさらに大きくなった場合に、前記昇圧コンバータによって昇圧される電圧を前記モータジェネレータによる逆起電力より小さい状態とする、
車両の制御装置。 - 請求項1に記載の車両の制御装置であって、
前記昇圧コンバータによって昇圧される電圧を前記モータジェネレータによる逆起電力より大きい状態とするとともに、前記インバータをシャットダウンしている状態で、
前記車間距離がさらに小さくなった場合または前車と近づく方向の相対速度がさらに大きくなった場合において、
前記バッテリの充電状態が所定値以下の場合には、前記昇圧コンバータによって昇圧される電圧を前記モータジェネレータによる逆起電力より小さい状態とし、
前記バッテリの充電状態が所定値を超えている場合には、前記昇圧コンバータによって昇圧される電圧を前記モータジェネレータによる逆起電力より大きい状態とする、
車両の制御装置。 - 請求項1に記載の車両の制御装置であって、
前記制御部は、
前記車間距離および前車と近づく方向の前記相対速度に基づいて衝突危険度を算出し、算出された衝突危険度が所定以上の場合に、前記車間距離が所定以下または前記前車と近づく方向の相対速度が所定以上の場合と判定する、
車両の制御装置。
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DE102015202762.7A DE102015202762A1 (de) | 2014-02-20 | 2015-02-16 | Fahrzeugsteuerungsvorrichtung |
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