JP2021031035A - ハイブリッド車両 - Google Patents
ハイブリッド車両 Download PDFInfo
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- JP2021031035A JP2021031035A JP2019157046A JP2019157046A JP2021031035A JP 2021031035 A JP2021031035 A JP 2021031035A JP 2019157046 A JP2019157046 A JP 2019157046A JP 2019157046 A JP2019157046 A JP 2019157046A JP 2021031035 A JP2021031035 A JP 2021031035A
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- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
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- B60W2510/244—Charge state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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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- B60W2710/0644—Engine speed
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- B60—VEHICLES IN GENERAL
- 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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- B60—VEHICLES IN GENERAL
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- B60W2710/085—Torque change rate
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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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- B60—VEHICLES IN GENERAL
- 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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Abstract
Description
エンジンと、第1モータと、前記エンジンと前記第1モータと伝達部材とに3つの回転要素が接続されたプラネタリギヤと、前記伝達部材と車軸に連結された駆動軸との間に取り付けられた有段変速機と、前記伝達部材または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モータと電力をやりとりする蓄電装置と、制御装置とを備え、
前記制御装置は、
アクセル操作量と車速とに基づいて前記駆動軸に要求される要求駆動力を設定し、
前記アクセル操作量と前記車速とに基づいて、または、運転者のシフト操作に基づいて、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から模擬変速段を設定すると共に、前記有段変速機の目標変速段を設定し、
前記車速と前記模擬変速段とに基づいて前記エンジンの目標回転数を設定し、
前記エンジンを前記目標回転数で運転するときの前記エンジンの上限パワーを設定し、
前記エンジンから前記上限パワーを出力するときの前記駆動軸の第1上限駆動力を設定し、
前記要求駆動力と前記第1上限駆動力との大小関係に基づいて前記駆動軸の目標駆動力を設定し、
前記エンジンが前記目標回転数で運転され且つ前記有段変速機の変速段が前記目標変速段となり且つ前記目標駆動力に基づいて走行するように前記エンジンと前記第1モータと前記第2モータと前記有段変速機とを制御する、
ハイブリッド車両であって、
前記制御装置は、
前記要求駆動力が前記第1上限駆動力以下のときには、前記要求駆動力を前記目標駆動力として設定し、
前記要求駆動力が前記第1上限駆動力よりも大きいときには、
前記要求駆動力と前記第1上限駆動力との差分に基づいて前記蓄電装置の目標補填パワーを設定し、
前記エンジンから前記上限パワーを出力すると共に前記蓄電装置が前記目標補填パワーに基づく実行用補填パワーに応じて充放電するときの前記駆動軸の第2上限駆動力を設定し、
前記要求駆動力および前記第2上限駆動力のうちの小さい方を前記目標駆動力として設定し、
更に、前記制御装置は、前記有段変速機の前記変速段を変更するときには、前記有段変速機の変速段を変更しないときに比して、前記実行用補填パワーを前記目標補填パワーに向かって緩やかに増加させる、
ことを要旨とする。
Tm2*=min(Tm2tmp,Tm2max) (6)
Pe*=Td*・Nd-(Pb1*+Pb2*) (12)
Claims (6)
- エンジンと、第1モータと、前記エンジンと前記第1モータと伝達部材とに3つの回転要素が接続されたプラネタリギヤと、前記伝達部材と車軸に連結された駆動軸との間に取り付けられた有段変速機と、前記伝達部材または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モータと電力をやりとりする蓄電装置と、制御装置とを備え、
前記制御装置は、
アクセル操作量と車速とに基づいて前記駆動軸に要求される要求駆動力を設定し、
前記アクセル操作量と前記車速とに基づいて、または、運転者のシフト操作に基づいて、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から模擬変速段を設定すると共に、前記有段変速機の目標変速段を設定し、
前記車速と前記模擬変速段とに基づいて前記エンジンの目標回転数を設定し、
前記エンジンを前記目標回転数で運転するときの前記エンジンの上限パワーを設定し、
前記エンジンから前記上限パワーを出力するときの前記駆動軸の第1上限駆動力を設定し、
前記要求駆動力と前記第1上限駆動力との大小関係に基づいて前記駆動軸の目標駆動力を設定し、
前記エンジンが前記目標回転数で運転され且つ前記有段変速機の変速段が前記目標変速段となり且つ前記目標駆動力に基づいて走行するように前記エンジンと前記第1モータと前記第2モータと前記有段変速機とを制御する、
ハイブリッド車両であって、
前記制御装置は、
前記要求駆動力が前記第1上限駆動力以下のときには、前記要求駆動力を前記目標駆動力として設定し、
前記要求駆動力が前記第1上限駆動力よりも大きいときには、
前記要求駆動力と前記第1上限駆動力との差分に基づいて前記蓄電装置の目標補填パワーを設定し、
前記エンジンから前記上限パワーを出力すると共に前記蓄電装置が前記目標補填パワーに基づく実行用補填パワーに応じて充放電するときの前記駆動軸の第2上限駆動力を設定し、
前記要求駆動力および前記第2上限駆動力のうちの小さい方を前記目標駆動力として設定し、
更に、前記制御装置は、前記有段変速機の前記変速段を変更するときには、前記有段変速機の変速段を変更しないときに比して、前記実行用補填パワーを前記目標補填パワーに向かって緩やかに増加させる、
ハイブリッド車両。 - 請求項1記載のハイブリッド車両であって、
前記制御装置は、前記実行用補填パワーが正の値で、前記アクセル操作量が所定操作量よりも大きくなったときまたは車速が所定車速よりも高くなったときには、前記実行用補填パワーを低下させる、
ハイブリッド車両。 - 請求項2記載のハイブリッド車両であって、
前記制御装置は、前記実行用補填パワーが正の値で、前記アクセル操作量が前記所定操作量よりも大きくなってまたは前記車速が前記所定車速よりも高くなって、前記実行用補填パワーを低下させている最中に、前記有段変速機の前記変速段を変更するときには、前記実行用補填パワーを保持する、
ハイブリッド車両。 - 請求項1記載のハイブリッド車両であって、
前記制御装置は、前記目標補填パワーの低下に伴って前記実行用補填パワーが低下しているときに、前記有段変速機の前記変速段を変更するときには、前記実行用補填パワーを保持する、
ハイブリッド車両。 - 請求項1ないし4のうちの何れか1つの請求項に記載のハイブリッド車両であって、
前記制御装置は、
前記第1上限駆動力を設定する際には、前記上限パワーと、前記蓄電装置の蓄電割合に基づくと共に放電側が正となる前記蓄電装置の第1要求充放電パワーと、の和のパワーが前記駆動軸に出力されるときの駆動力を前記第1上限駆動力として設定し、
前記第2上限駆動力を設定する際には、前記上限パワーと、前記第1要求充放電パワーと、放電側が正となる前記実行用補填パワーとしての前記蓄電装置の第2要求充放電パワーと、の和のパワーが前記駆動軸に出力されるときの駆動力を前記第2上限駆動力として設定する、
ハイブリッド車両。 - 請求項5記載のハイブリッド車両であって、
前記制御装置は、
前記要求駆動力が前記第1上限駆動力以下のときには、前記目標駆動力を前記駆動軸に出力するためのパワーから前記第1要求充放電パワーを減じたパワーを前記エンジンの目標パワーとして設定し、
前記要求駆動力が前記第1上限駆動力よりも大きいときには、前記目標駆動力を前記駆動軸に出力するためのパワーから前記第1要求充放電パワーと前記第2要求充放電パワーとの和を減じたパワーを前記エンジンの目標パワーとして設定し、
前記エンジンから前記目標パワーが出力されるように前記エンジンを制御する、
ハイブリッド車両。
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