JP6965809B2 - 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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- JP6965809B2 JP6965809B2 JP2018070865A JP2018070865A JP6965809B2 JP 6965809 B2 JP6965809 B2 JP 6965809B2 JP 2018070865 A JP2018070865 A JP 2018070865A JP 2018070865 A JP2018070865 A JP 2018070865A JP 6965809 B2 JP6965809 B2 JP 6965809B2
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- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
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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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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
以下、図1〜図6を参照して本発明の第一実施形態について説明する。
図1は、本発明の第一実施形態に係るハイブリッド車両1の構成を概略的に示す図である。ハイブリッド車両(以下、単に「車両」と称する)1は、内燃機関10、第1電動発電機12、動力分割機構14、第2電動発電機16、パワーコントロールユニット(PCU)18及びバッテリ20を備える。
図2は、本発明の第一実施形態に係るハイブリッド車両の制御装置等の構成を概略的に示すブロック図である。車両1には電子制御ユニット(ECU)40が設けられる。ECU40は、車両1を制御する電子制御装置である。ECU40は、読み出し専用メモリ(ROM)及びランダムアクセスメモリ(RAM)のようなメモリ、中央演算装置(CPU)、入力ポート、出力ポート、通信モジュール等を備える。本実施形態では、一つのECU40が設けられているが、機能毎に複数のECUが設けられていてもよい。
図4は、本発明の第一実施形態における到達時SOC算出処理の制御ルーチンを示すフローチャートである。本制御ルーチンでは、到達時SOCが算出される。本制御ルーチンは、登録された充電拠点毎に実行され、ECU40によって実行される。
図5は、本発明の第一実施形態における目標SOC算出処理の制御ルーチンを示すフローチャートである。本制御ルーチンでは、目標SOCが算出される。本制御ルーチンは、ECU40によって所定の時間間隔で繰り返し実行される。
図6は、本発明の第一実施形態における運転モード設定処理の制御ルーチンを示すフローチャートである。本制御ルーチンでは、車両1の運転モードが設定される。本制御ルーチンは、ECU40によって所定の時間間隔で繰り返し実行される。
第二実施形態に係るハイブリッド車両の制御装置は、以下に説明する点を除いて、基本的に第一実施形態に係るハイブリッド車両の制御装置の構成及び制御と同様である。このため、以下、本発明の第二実施形態について、第一実施形態と異なる部分を中心に説明する。
図8は、本発明の第二実施形態における到達時SOC算出処理の制御ルーチンを示すフローチャートである。本制御ルーチンでは、到達時SOCが算出される。本制御ルーチンは、登録された充電拠点毎に実行され、ECU40によって実行される。
第三実施形態に係るハイブリッド車両の制御装置は、以下に説明する点を除いて、基本的に第一実施形態に係るハイブリッド車両の制御装置の構成及び制御と同様である。このため、以下、本発明の第三実施形態について、第一実施形態と異なる部分を中心に説明する。
図11は、本発明の第三実施形態における目標SOC設定処理の制御ルーチンを示すフローチャートである。本制御ルーチンでは、目標SOCが設定される。本制御ルーチンは、ECU40によって所定の時間間隔で繰り返し実行される。
第四実施形態に係るハイブリッド車両の制御装置は、以下に説明する点を除いて、基本的に第一実施形態に係るハイブリッド車両の制御装置の構成及び制御と同様である。このため、以下、本発明の第四実施形態について、第一実施形態と異なる部分を中心に説明する。
図12は、本発明の第四実施形態における目標SOC算出処理の制御ルーチンを示すフローチャートである。本制御ルーチンでは、目標SOCが算出される。本制御ルーチンは、ECU40によって所定の時間間隔で繰り返し実行される。
以上、本発明に係る好適な実施形態を説明したが、本発明はこれら実施形態に限定されるものではなく、特許請求の範囲の記載内で様々な修正及び変更を施すことができる。
10 内燃機関
12 第1電動発電機
16 第2電動発電機
20 バッテリ
40 電子制御ユニット(ECU)
41 出力制御部
42 目標充電率設定部
70 外部電源
Claims (18)
- 内燃機関と、電動機と、該電動機に電力を供給すると共に前記内燃機関の出力及び外部電源によって充電可能なバッテリとを備えるハイブリッド車両を制御する、ハイブリッド車両の制御装置であって、
前記バッテリの充電率の目標値である目標充電率を設定する目標充電率設定部と、
前記ハイブリッド車両が充電拠点外を走行しているときに前記バッテリの充電率が前記目標充電率以上となるように前記内燃機関及び前記電動機の出力を制御する出力制御部と
を備え、
前記目標充電率設定部は、前記ハイブリッド車両が前記電動機のみの出力によって前記充電拠点に到達するのに必要な電力量と、前記ハイブリッド車両が前記充電拠点を通過した後の該充電拠点付近の道路の勾配情報とに基づいて前記目標充電率を設定する、ハイブリッド車両の制御装置。 - 内燃機関と、電動機と、該電動機に電力を供給すると共に前記内燃機関の出力及び外部電源によって充電可能なバッテリとを備えるハイブリッド車両を制御する、ハイブリッド車両の制御装置であって、
前記バッテリの充電率の目標値である目標充電率を設定する目標充電率設定部と、
前記ハイブリッド車両が充電拠点外を走行しているときに前記バッテリの充電率が前記目標充電率以上となるように前記内燃機関及び前記電動機の出力を制御する出力制御部と、
前記ハイブリッド車両の走行履歴に基づいて前記充電拠点付近の道路の勾配情報を検出する勾配情報検出部と
を備え、
前記目標充電率設定部は、前記ハイブリッド車両が前記電動機のみの出力によって前記充電拠点に到達するのに必要な電力量と、前記勾配情報とに基づいて前記目標充電率を設定し、
前記目標充電率設定部は、前記勾配情報検出部が、前記勾配情報の検出を完了し、前記充電拠点付近に上り坂を検出しなかった場合に、前記目標充電率を低くする、ハイブリッド車両の制御装置。 - 前記ハイブリッド車両の走行履歴に基づいて前記勾配情報を検出する勾配情報検出部を更に備える、請求項1に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記勾配情報検出部が、前記勾配情報の検出を完了し、前記充電拠点付近に上り坂を検出しなかった場合に、前記目標充電率を低くする、請求項3に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記ハイブリッド車両が前記充電拠点に到達するときに前記バッテリの充電率が到達時充電率になるように前記目標充電率を設定し、前記充電拠点付近に上り坂がある場合には、該充電拠点付近に上り坂がない場合に比べて、前記到達時充電率を高くする、請求項1から4のいずれか1項に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記充電拠点から前記上り坂までの距離が短いほど、前記到達時充電率を高くする、請求項5に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記充電拠点から前記上り坂までの前記ハイブリッド車両の走行時間が短いほど、前記到達時充電率を高くする、請求項5に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記上り坂において消費される前記バッテリの電力量が大きいほど、前記到達時充電率を高くする、請求項5から7のいずれか1項に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記上り坂の勾配が大きいほど、前記到達時充電率を高くする、請求項8に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記上り坂が長いほど、前記到達時充電率を高くする、請求項8又は9に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記ハイブリッド車両が前記充電拠点付近を走行しているときに前記上り坂を走行する頻度が低いほど、前記到達時充電率を低くする、請求項5から10のいずれか1項に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記ハイブリッド車両が前記充電拠点に到達するときに前記バッテリの充電率が到達時充電率になるように前記目標充電率を設定し、前記充電拠点付近に下り坂がある場合には、該充電拠点付近に下り坂がない場合に比べて、前記到達時充電率を低くする、請求項1から11のいずれか1項に記載のハイブリッド車両の制御装置。
- 前記充電拠点付近に上り坂がある場合、前記目標充電率設定部は、前記ハイブリッド車両が前記電動機のみの出力によって前記充電拠点に到達するのに必要な電力量に基づいて第1目標充電率を算出し、前記ハイブリッド車両の現在地から前記上り坂までに前記内燃機関の出力によって前記バッテリに充電可能な電力量に基づいて第2目標充電率を算出し、前記第1目標充電率が前記第2目標充電率以上であるときには前記目標充電率を前記第1目標充電率に設定し、前記第1目標充電率が前記第2目標充電率未満であるときには前記目標充電率を前記第2目標充電率に設定する、請求項1から4のいずれか1項に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記上り坂において消費される前記バッテリの電力量が大きいほど、前記第2目標充電率を高くする、請求項13に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記上り坂の勾配が大きいほど、前記第2目標充電率を高くする、請求項14に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記上り坂が長いほど、前記第2目標充電率を高くする、請求項14又は15に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記ハイブリッド車両が前記充電拠点付近を走行しているときに前記上り坂を走行する頻度が低いほど、前記第2目標充電率を低くする、請求項13から16のいずれか1項に記載のハイブリッド車両の制御装置。
- 前記目標充電率設定部は、前記ハイブリッド車両の現在地が検出不可能になった場合に、予め定められた閾値に前記目標充電率を維持する、請求項1から17のいずれか1項に記載のハイブリッド車両の制御装置。
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