JPWO2016199278A1 - 内燃機関の始動装置、車両、及び、内燃機関の始動方法 - Google Patents
内燃機関の始動装置、車両、及び、内燃機関の始動方法 Download PDFInfo
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- JPWO2016199278A1 JPWO2016199278A1 JP2017523055A JP2017523055A JPWO2016199278A1 JP WO2016199278 A1 JPWO2016199278 A1 JP WO2016199278A1 JP 2017523055 A JP2017523055 A JP 2017523055A JP 2017523055 A JP2017523055 A JP 2017523055A JP WO2016199278 A1 JPWO2016199278 A1 JP WO2016199278A1
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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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/12—Brake pedal position
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/081—Speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
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- F02N2200/022—Engine speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
- F02N2200/023—Engine temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/06—Parameters used for control of starting apparatus said parameters being related to the power supply or driving circuits for the starter
- F02N2200/061—Battery state of charge [SOC]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/08—Parameters used for control of starting apparatus said parameters being related to the vehicle or its components
- F02N2200/0801—Vehicle speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/08—Parameters used for control of starting apparatus said parameters being related to the vehicle or its components
- F02N2200/0802—Transmission state, e.g. gear ratio or neutral state
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2300/00—Control related aspects of engine starting
- F02N2300/10—Control related aspects of engine starting characterised by the control output, i.e. means or parameters used as a control output or target
- F02N2300/102—Control of the starter motor speed; Control of the engine speed during cranking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2300/00—Control related aspects of engine starting
- F02N2300/20—Control related aspects of engine starting characterised by the control method
- F02N2300/2002—Control related aspects of engine starting characterised by the control method using different starting modes, methods, or actuators depending on circumstances, e.g. engine temperature or component wear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N5/00—Starting apparatus having mechanical power storage
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- Y02T10/00—Road transport of goods or passengers
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02T10/00—Road transport of goods or passengers
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Abstract
Description
本実施形態に係る内燃機関の始動装置を有する車両3は、ハイブリッド車両である。図1に示すように、車両3は、第1駆動装置1と、第2駆動装置2と、これらの駆動装置を制御する制御部を構成する制御装置としての電子制御ユニット(以下、「ECU6」という。)6と、PDU(パワードライブユニット)8と、バッテリ9と、を備える。
図6に示すように、イグニッションスイッチ110(図2参照)のボタンスイッチ111を押すこと(IG)により車両3は起動する。このとき、始動態様切替スイッチ112によって既に選択された各モードにより、内燃機関4の始動、又は、EV走行モードへの移行が行われる。
内燃機関4が始動しているとき、又は、EV走行モードへ移行しているときに、始動態様切替スイッチ112が、ファーストモードからセカンドモードへ切替えられたか、又は、セカンドモードからファーストモードへ切替えられた場合には、引き続き、内燃機関4が始動している状態(Fi3、Se3)、又は、EV走行モードの状態(Fi5、Se5)が継続される。
図7は、本発明の実施形態に係る内燃機関の始動装置におけるS/S始動判定処理を示すフローチャートである。図8は、本発明の実施形態に係る内燃機関の始動装置における車両起動時のS/S始動判定処理を示すフローチャートである。図9は、本発明の実施形態に係る内燃機関の始動装置におけるEVセーリング時の始動判定処理を示すフローチャートである。図10は、本発明の実施形態に係る内燃機関の始動装置におけるEV停車時のS/S始動判定処理を示すフローチャートである。図11は、本発明の実施形態に係る内燃機関の始動装置におけるEV低速状態時のS/S始動判定処理を示すフローチャートである。
内燃機関の始動装置を構成するECU6は、所定の第1回転数NE1まで内燃機関4の回転数を電動機5によって増加させて内燃機関4を始動する第1始動態様と、第1回転数NE1より高く設定されかつ水温に基づき設定される第2回転数NE2まで内燃機関4の回転数を電動機5によって増加させて内燃機関4を始動する第2始動態様と、を実現する制御を、電動機5に対して行う。
例えば、本実施形態では、ECU6は、水温がTWthre2(第2温度)を超える領域では、第2回転数NE2を一定の値に設定したが、これに限定されない。例えば、ECU6は、冷却水の温度がTWthre2(第2温度)を超える領域では、第2回転数NE2を所定の下限回転数以上且つ所定の上限回転数である第3回転数ES3以下に設定してもよい。また、運転モードに基づき、第2回転数NE2の値を変更してもよい。
4…内燃機関
5…電動機
6…ECU(制御部)
7…トランスミッション(変速機)
9…バッテリ(蓄電器)
61…容量取得部
62…判定部
63…走行状態取得ユニット
64…変速状態取得部
65…限界回転数算出部
91…クランク角センサ(回転数取得部)
92…水温センサ(温度取得部)
93…車速センサユニット(速度センサユニット)
110…イグニッションスイッチ(起動ユニット)
112…始動態様切替スイッチ(選択ユニット)
121…ファーストモード
122…セカンドモード
123…サードモード
IN…アイドル回転数
NE1…第1回転数
NE2…第2回転数
TWthre1…温度(第1温度)
TWthre2…温度(第2温度)
Wr…車輪
Claims (21)
- 車両の車輪に駆動力を供給する内燃機関と、前記内燃機関の回転数を取得する回転数取得部と、を備える内燃機関ユニットと、
前記内燃機関の始動及び前記車輪への駆動力の供給を行う電動機と、前記電動機を制御する制御部と、前記電動機による前記内燃機関の始動の許否を判定する判定部と、を備える電動機ユニットと、を有し、
前記制御部は、所定の第1回転数まで前記内燃機関の回転数を前記電動機によって増加させて前記内燃機関を始動する第1始動態様と、前記第1回転数より高い第2回転数まで前記内燃機関の回転数を前記電動機によって増加させて前記内燃機関を始動する第2始動態様と、を実現する制御を、前記電動機に対して選択的に実行可能であり、
前記判定部は、前記車両の起動時には、所定の車両起動時条件に基づき前記第2始動態様の許否を判定し、前記電動機のみから前記車輪に駆動力を供給している最中には、前記車両起動時条件とは異なるEV走行時条件に基づき前記第2始動態様の許否を判定する
ことを特徴とする内燃機関の始動装置。 - 前記電動機に電力を供給する蓄電器と、前記蓄電器の使用可能な容量を取得する容量取得部と、を備える蓄電器ユニットを更に含み、
前記車両起動時条件は、前記蓄電器の使用可能な容量を有し、前記EV走行時条件は、前記蓄電器の使用可能な容量を有していない、
請求項1記載の内燃機関の始動装置。 - 前記車両の走行状態を取得する走行状態取得ユニットを更に含み、
前記EV走行時条件は複数存在し、前記車両の走行状態ごとに固有の前記EV走行時条件が設定される、
請求項1又は2記載の内燃機関の始動装置。 - 前記車輪のブレーキと、操作量に応じて前記ブレーキを作動するブレーキペダルと、を備えるブレーキユニットと、
前記車両の速度を取得する速度センサユニットと、を更に含み、
前記EV走行時条件は、前記ブレーキペダルが操作され、且つ、前記車両の速度が0である条件を有する
請求項3記載の内燃機関の始動装置。 - 前記車両の速度と、前記車両の加速度とを取得する速度センサユニットを更に含み、
前記EV走行時条件は、前記車両の速度が0より大きく速度用閾値以下、且つ、前記車両の加速度が加速度用閾値以下である条件を有する、
請求項3又は4に記載の内燃機関の始動装置。 - 前記内燃機関及び前記電動機のうち少なくとも1つからの入力を変速して前記車輪へ出力する変速機と、前記変速機の変速状態を取得する変速状態取得部と、を備える内燃機関ユニットと、
前記車両の減速度を取得する速度センサユニットと、を更に含み、
前記EV走行時条件は、前記変速機の状態がニュートラルであること、且つ、前記車両の減速度が減速度用閾値以下である条件を有する、
請求項3〜5のいずれか1項に記載の内燃機関の始動装置。 - 前記内燃機関ユニットは、冷媒により前記内燃機関を冷却する冷却部と、前記冷媒の温度を取得する温度取得部と、をさらに備え、
前記第2回転数は、前記冷媒の温度に基づき設定される
請求項1〜6のいずれか1項に記載の内燃機関の始動装置。 - 前記制御部は、前記第1回転数と前記第2回転数との回転数の差を前記冷媒の温度に基づく値に設定する制御を、前記電動機に対して行う
請求項7に記載の内燃機関の始動装置。 - 前記制御部は、前記冷媒の温度が所定の第1温度以上、かつ、前記第1温度より高い第2温度以下の領域では、前記冷媒の温度に基づき前記第2回転数を増加させて設定する
請求項8に記載の内燃機関の始動装置。 - 前記制御部は、前記冷媒の温度が前記第2温度を超える領域では、前記第2回転数を一定の値に設定する
請求項9に記載の内燃機関の始動装置。 - 前記制御部は、前記冷媒の温度が前記第2温度を超える領域では、前記第2回転数を所定の下限回転数以上且つ所定の上限回転数以下に設定する
請求項10に記載の内燃機関の始動装置。 - 前記制御部は、前記冷媒の温度が前記第1温度未満の領域では、前記第2始動態様の実現を禁止する制御を、前記電動機に対して行う
請求項9〜11のいずれか1項に記載の内燃機関の始動装置。 - 前記制御部は、前記内燃機関の回転数を第1制御則に基づき第1回転数まで前記電動機によって増加させて前記内燃機関を始動した後に前記内燃機関の回転数を前記第1制御則に基づき前記1回転数以下のアイドル回転数に収束させる第1始動態様と、前記内燃機関の回転数を前記第1回転数より高い第2回転数まで前記電動機によって増加させて前記内燃機関を始動した後に、前記内燃機関の回転数を前記第1制御則とは異なる第2制御則に基づき前記第2回転数以下のアイドル回転数に収束させる第2始動態様と、を実現する制御を前記電動機に対して行う
ことを特徴とする請求項1〜12請求項のいずれかに記載の内燃機関の始動装置。 - 前記制御部は、前記第1制御則における、前記内燃機関の回転数の現在値が前記内燃機関の回転数の目標値に収束する速度が、前記第2制御則における、前記内燃機関の回転数の現在値が前記内燃機関の回転数の目標値に収束する速度よりも大きくなるように、前記電動機を制御する、
請求項13に記載の内燃機関の始動装置。 - 前記制御部は、前記第2制御則における前記内燃機関の回転数が、所定の漸減率に基づき漸減して前記アイドル回転数へ収束するように、前記電動機を制御する、
請求項13又は14に記載の内燃機関の始動装置。 - 前記制御部は、前記第2制御則における前記内燃機関の回転数が、段階的に大きくなる所定の漸減率に基づき漸減して前記アイドル回転数へ収束するように、前記電動機を制御する、
請求項13〜15のいずれか1項に記載の内燃機関の始動装置。 - 前記制御部は、前記第1制御則において、前記内燃機関の目標回転数と前記内燃機関の現在の回転数との差分に基づくフィードバック制御が行われるように、前記電動機を制御する、
請求項13〜16のいずれか1項に記載の内燃機関の始動装置。 - 前記制御部は、前記第1始動態様における前記電動機のトルクの立上げ速度と、前記第2始動態様における前記電動機のトルクの立上げ速度と、が略同一となるように、前記電動機を制御する、
請求項13〜17のいずれか1項に記載の内燃機関の始動装置。 - 前記制御部は、前記第1始動態様における前記電動機のトルクの最大値と、前記第2始動態様における前記電動機のトルクの最大値とが略同一となるように、前記電動機を制御する、
請求項13〜18のいずれか1項に記載の内燃機関の始動装置。 - 請求項1〜19のいずれか1項に記載の内燃機関の始動装置を有する車両。
- 所定の第1回転数まで内燃機関の回転数を電動機によって増加させて前記内燃機関を始動する第1始動態様と、前記第1回転数より高い第2回転数まで前記内燃機関の回転数を前記電動機によって増加させて前記内燃機関を始動する第2始動態様と、を実現し、
車両の起動時には、所定の車両起動時条件に基づき前記第2始動態様の許否を判定し、前記電動機のみから車輪に駆動力を供給している最中には、前記車両起動時条件とは異なるEV走行時条件に基づき前記第2始動態様の許否を判定する
ことを特徴とする内燃機関の始動方法。
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US10315505B2 (en) | 2019-06-11 |
JP6570630B2 (ja) | 2019-09-04 |
US20180162214A1 (en) | 2018-06-14 |
CN107709116A (zh) | 2018-02-16 |
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