JP2017206106A - ハイブリッド自動車 - Google Patents
ハイブリッド自動車 Download PDFInfo
- Publication number
- JP2017206106A JP2017206106A JP2016099382A JP2016099382A JP2017206106A JP 2017206106 A JP2017206106 A JP 2017206106A JP 2016099382 A JP2016099382 A JP 2016099382A JP 2016099382 A JP2016099382 A JP 2016099382A JP 2017206106 A JP2017206106 A JP 2017206106A
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- Prior art keywords
- driving force
- speed
- hybrid vehicle
- accelerator
- engine
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Classifications
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
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Abstract
【解決手段】アクセル開度Accと車速Vとに基づく変速段Mと車速Vとに基づいてドラビリ用目標エンジン回転数Netagfを設定し、アクセル要求駆動力Tdaとドラビリ用目標エンジン回転数Netagfとに基づいてベース駆動力Tdbを設定する。そして、アクセルペダルが踏み増しされてからの経過時間tが閾値Tref未満のときには(S250)、アクセル踏み増し量ΔAccに基づいて補正駆動力Tdcを設定し(S260〜S290)、ベース駆動力Tdbに補正駆動力Tdcを加えた実行用駆動力Td*が駆動軸36に出力されて走行するようにエンジン22とモータMG1,MG2とを制御する(S300〜S320)。
【選択図】図3
Description
エンジンと、第1モータと、前記エンジンの出力軸と前記第1モータの回転軸と車軸に連結された駆動軸との3軸に3つの回転要素が接続された遊星歯車機構と、前記駆動軸に動力を入出力可能な第2モータと、前記第1モータおよび前記第2モータと電力のやりとりが可能なバッテリと、前記エンジンと前記第1モータと前記第2モータとを制御する制御手段と、を備えるハイブリッド自動車であって、
前記制御手段は、アクセル操作量と車速、若しくは、運転者の操作に基づいて変速段を設定し、前記変速段と前記車速とに基づいて前記エンジンの目標回転数を設定し、前記アクセル操作量と前記車速と前記目標回転数とに基づいてベース駆動力を設定し、前記アクセル操作量の増加量に応じて大きくなるよう補正駆動力を設定し、前記ベース駆動力に補正駆動力を加えた駆動力が前記駆動軸に出力されて走行するよう前記エンジンと前記第1モータと前記第2モータとを制御する手段である、
ことを特徴とする。
Tm2max=(Wout-Tm1*・Nm1)/Nm2 (4)
ンサ、24 エンジン用電子制御ユニット(エンジンECU)、26 クランクシャフト、28 ダンパ、30 プラネタリギヤ、36 駆動軸、38 デファレンシャルギヤ、39a,39b 駆動輪、40 モータ用電子制御ユニット(モータECU)、41,42 インバータ、43,44 回転位置検出センサ、50 バッテリ、51a 電圧センサ、51b 電流センサ、51c 温度センサ、52 バッテリ用電子制御ユニット(バッテリECU)、54 電力ライン、70 ハイブリッド用電子制御ユニット(HVECU)、80 イグニッションスイッチ、81 シフトレバー、82 シフトポジションセンサ、83 アクセルペダル、84 アクセルペダルポジションセンサ、85 ブレーキペダル、86 ブレーキペダルポジションセンサ、88 車速センサ、90 モード切替スイッチ、130 変速機、MG1,MG2 モータ。
Claims (10)
- エンジンと、第1モータと、前記エンジンの出力軸と前記第1モータの回転軸と車軸に連結された駆動軸との3軸に3つの回転要素が接続された遊星歯車機構と、前記駆動軸に動力を入出力可能な第2モータと、前記第1モータおよび前記第2モータと電力のやりとりが可能なバッテリと、前記エンジンと前記第1モータと前記第2モータとを制御する制御手段と、を備えるハイブリッド自動車であって、
前記制御手段は、アクセル操作量と車速、若しくは、運転者の操作に基づいて変速段を設定し、前記変速段と前記車速とに基づいて前記エンジンの目標回転数を設定し、前記アクセル操作量と前記車速と前記目標回転数とに基づいてベース駆動力を設定し、前記アクセル操作量の増加量に応じて大きくなるよう補正駆動力を設定し、前記ベース駆動力に補正駆動力を加えた駆動力が前記駆動軸に出力されて走行するよう前記エンジンと前記第1モータと前記第2モータとを制御する手段である、
ことを特徴とするハイブリッド自動車。 - 請求項1記載のハイブリッド自動車であって、
前記制御手段は、前記補正駆動力による前記ベース駆動力の補正に必要なパワーが前記バッテリを充放電するパワーによって賄われるよう前記第2モータを制御する手段である、
ことを特徴とするハイブリッド自動車。 - 請求項2記載のハイブリッド自動車であって、
前記制御手段は、前記アクセル操作量が小さいほど前記補正駆動力を小さくする手段である、
ことを特徴とするハイブリッド自動車。 - 請求項2または3記載のハイブリッド自動車であって、
前記制御手段は、前記車速が所定車速領域よりも高いときには、前記所定車速領域のときに比して、前記補正駆動力を小さくする手段である、
ことを特徴とするハイブリッド自動車。 - 請求項2ないし4いずれか1項に記載のハイブリッド自動車であって、
前記制御手段は、時間の経過と共に前記補正駆動力を徐々に小さくする手段である、
ことを特徴とするハイブリッド自動車。 - 請求項2ないし5いずれか1項に記載のハイブリッド自動車であって、
前記制御手段は、前記バッテリの全容量に対する放電可能な電力の割合である蓄電割合が低いほど前記補正駆動力を小さくする手段である、
ことを特徴とするハイブリッド自動車。 - 請求項2ないし6いずれか1項に記載のハイブリッド自動車であって、
前記制御手段は、前記バッテリの温度が適正温度範囲内にない場合には、前記適正温度範囲内にある場合に比して、前記補正駆動力を小さくする手段である、
ことを特徴とするハイブリッド自動車。 - 請求項1ないし7いずれか1項に記載のハイブリッド自動車であって、
前記制御手段は、前記アクセル操作量と前記車速とに基づいて前記駆動軸に出力すべき要求駆動力を設定し、前記目標回転数で前記エンジンを運転したときに前記エンジンから出力される最大パワーを上限パワーとして設定し、前記上限パワーが前記駆動軸に出力されたときの駆動力を上限駆動力として設定し、前記上限駆動力と前記要求駆動力とのうち小さい方の駆動力を前記ベース駆動力として設定する手段である、
ことを特徴とするハイブリッド自動車。 - 請求項1ないし8いずれか1項に記載のハイブリッド自動車であって、
前記変速段は、仮想的な変速段である、
ことを特徴とするハイブリッド自動車。 - 請求項1ないし8いずれか1項に記載のハイブリッド自動車であって、
前記駆動軸と前記遊星歯車機構との間に取り付けられた有段変速機を有し、
前記変速段は、前記有段変速機の変速段または前記有段変速機の変速段に仮想的な変速段を加味した変速段である、
ことを特徴とするハイブリッド自動車。
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