JP7205501B2 - 車両の駆動力制御装置 - Google Patents
車両の駆動力制御装置 Download PDFInfo
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- JP7205501B2 JP7205501B2 JP2020004067A JP2020004067A JP7205501B2 JP 7205501 B2 JP7205501 B2 JP 7205501B2 JP 2020004067 A JP2020004067 A JP 2020004067A JP 2020004067 A JP2020004067 A JP 2020004067A JP 7205501 B2 JP7205501 B2 JP 7205501B2
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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
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
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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
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/15—Control strategies specially adapted for achieving a particular effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- 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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- 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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Description
Te_max-(Te_cur+ΔTe_ref)>α …(1)
(Te_cur-ΔTe_ref)-Te_min>α …(2)
Tm_max-(Tm_cur+ΔTm_ref)>β …(3)
(Tm_cur-ΔTm_ref)-Tm_min>β …(4)
ΔTa_opp_1:(Ta_cur+ΔTa_ref)-Ta_max …(5)
ΔTa_opp_1:Ta_min-(Ta_cur-ΔTa_ref) …(6)
Tb_cur+ΔTb_adj_1+ΔTb_ref<Tb_max …(7)
Tb_cur-ΔTb_adj_1-ΔTb_ref>Tb_min …(8)
ΔTb_adj_2:(Tb_max-ΔTb_ref)-Tb_cur …(9)
ΔTb_adj_2:(Tb_min+ΔTb_ref)-Tb_cur …(10)
2 リヤモータ
4 フロントモータ
7 後輪
8 クラッチ機構
9 リヤ変速機構
13 前輪
15 フロント変速機構
18 電子制御装置(ECU)
Ve 車両。
Claims (8)
- 少なくとも二つの駆動力源を備え、前記二つの駆動力源のうちの一方の第1駆動力源の出力トルクと、前記二つの駆動力源のうちの他方の第2駆動力源の出力トルクとを制御することにより、前記第1駆動力源の出力トルクと前記第2駆動力源の出力トルクとを合成した合成トルクを制御するように構成された車両の駆動力制御装置において、
前記第1駆動力源と前記第2駆動力源との出力トルクを制御するコントローラを備え、
前記コントローラは、
前記合成トルクの要求変化量を求め、
前記要求変化量に応じて、前記第1駆動力源の出力トルクの第1要求変化量と、前記第2駆動力源の出力トルクの第2要求変化量とを求め、
前記第1駆動力源の出力トルクを前記第1要求変化量に応じて変化させるとした場合における前記第1駆動力源の出力トルクが、前記第1駆動力源についての制限トルクを超過するか否かを判断し、
前記第2駆動力源の出力トルクを前記第2要求変化量に応じて変化させるとした場合における前記第2駆動力源の出力トルクが、前記第2駆動力源についての制限トルクを超過するか否かを判断し、
前記第1駆動力源と前記第2駆動力源とのうちの前記制限トルクを超過する一方の駆動力源を制御対象として選択し、
前記合成トルクを変化させる以前に、前記制御対象の出力トルクを、前記制御対象の制限トルクについての制限トルクとの差が大きくなるように定められた逆トルクを付加したトルクに変化させ、かつ前記第1駆動力源と前記第2駆動力源とのうちの他方の駆動力源である非制御対象の出力トルクを、前記制御対象の出力トルクの変化を相殺するように定められた調整トルクを付加したトルクに変化させる
ことを特徴とする車両の駆動力制御装置。
- 請求項1に記載の車両の駆動力制御装置において、
前記第1駆動力源の出力トルクを前記第1要求変化量に応じて変化させるとした場合における前記第1駆動力源の出力トルクが、前記第1駆動力源についての制限トルクを超過し、かつ前記第2駆動力源の出力トルクを前記第2要求変化量に応じて変化させるとした場合における前記第2駆動力源の出力トルクが、前記第2駆動力源についての制限トルクを超過する場合は、前記第1駆動力源と前記第2駆動力源とのうちの前記第1要求変化量と前記第2要求変化量とが大きい方の駆動力源を前記制御対象として選択する
ことを特徴とする車両の駆動力制御装置。
- 請求項1に記載の車両の駆動力制御装置において、
前記第1駆動力源の出力トルクを前記第1要求変化量に応じて変化させるとした場合における前記第1駆動力源の出力トルクが、前記第1駆動力源についての制限トルクを超過し、かつ前記第2駆動力源の出力トルクを前記第2要求変化量に応じて変化させるとした場合における前記第2駆動力源の出力トルクが、前記第2駆動力源についての制限トルクを超過する場合は、前記第1要求変化量と前記第2要求変化量とのうち確保する必要がある要求変化量に対応した駆動力源を制御対象として選択する
ことを特徴とする車両の駆動力制御装置。
- 請求項1に記載の車両の駆動力制御装置において、
前記第1駆動力源の出力トルクを前記第1要求変化量に応じて変化させるとした場合における前記第1駆動力源の出力トルクが、前記第1駆動力源についての制限トルクを超過し、かつ前記第2駆動力源の出力トルクを前記第2要求変化量に応じて変化させるとした場合における前記第2駆動力源の出力トルクが、前記第2駆動力源についての制限トルクを超過する場合は、前記第1駆動力源と前記第2駆動力源とのうちの制限トルクを超過することが許容されない駆動力源を制御対象として選択する
ことを特徴とする車両の駆動力制御装置。
- 請求項1ないし4のいずれか一項に記載の車両の駆動力制御装置において、
前記コントローラは、
前記制御対象の出力トルクを前記制御対象の要求変化量に応じて変化させるとした場合における前記制御対象の出力トルクの前記制御対象についての制限トルクに対する超過量に基づいて前記逆トルクの大きさを定める
ことを特徴とする車両の駆動力制御装置。
- 請求項1ないし4のいずれか一項に記載の車両の駆動力制御装置において、
前記コントローラは、
前記制御対象の出力トルクを前記制御対象の要求変化量に応じて変化させるとした場合における前記制御対象の出力トルクの前記制御対象についての制限トルクに対する超過量を求め、
前記超過量と同一の大きさのトルクを前記調整トルクとして、前記非制御対象の出力トルクに前記調整トルクと前記非制御対象のトルクの要求変化量とを付加した場合における前記非制御対象の出力トルクが前記非制御対象についての制限トルクを超過するか否かを判断し、
前記非制御対象についての制限トルクを前記非制御対象の出力トルクが超過する場合に、前記非制御対象についての制限トルクを超過するトルクの大きさを、前記超過量から減算して、前記逆トルクとして定める
ことを特徴とする車両の駆動力制御装置。
- 請求項1ないし6のいずれか一項に記載の車両の駆動力制御装置において、
前記コントローラは、
前記制御対象と前記非制御対象とのトルクを変化させている過程、または変化させた後に前記制御対象についての制限トルクが変動した場合には、前記制御対象の出力トルクと前記制御対象についての制限トルクとの差が大きくなるように前記制御対象の出力トルクを変化させるとともに、前記合成トルクが変化することを抑制するように前記制御対象のトルクの変化に基づいて前記非制御対象のトルクを変化させる
ことを特徴とする車両の駆動力制御装置。
- 請求項1ないし7のいずれか一項に記載の車両の駆動力制御装置において、
前記車両は、エンジンと、前記エンジンの出力トルクにトルクを付加可能なモータと、前記エンジンの出力トルクと前記モータの出力トルクとの合成トルクが入力されかつ出力側に伝達するトルク容量を変更可能なクラッチ機構と、前記クラッチ機構の出力側に連結されかつ入力回転数と出力回転数との比である変速比を変更可能な変速機構とを備え、
前記コントローラは、前記変速機構の変速比を変更する場合に、前記クラッチ機構が伝達するトルク容量を低下させた状態で前記合成トルクを変更する
ことを特徴とする車両の駆動力制御装置。
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