JP6662650B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
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- JP6662650B2 JP6662650B2 JP2016016256A JP2016016256A JP6662650B2 JP 6662650 B2 JP6662650 B2 JP 6662650B2 JP 2016016256 A JP2016016256 A JP 2016016256A JP 2016016256 A JP2016016256 A JP 2016016256A JP 6662650 B2 JP6662650 B2 JP 6662650B2
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- Japan
- Prior art keywords
- estimated
- pressure
- supercharging pressure
- internal combustion
- intake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002485 combustion reaction Methods 0.000 title claims description 50
- 238000000034 method Methods 0.000 claims description 36
- 238000004364 calculation method Methods 0.000 claims description 31
- 238000001914 filtration Methods 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 description 16
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004886 process control Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/20—Multi-cylinder engines with cylinders all in one line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D23/00—Controlling engines characterised by their being supercharged
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0402—Engine intake system parameters the parameter being determined by using a model of the engine intake or its components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0404—Throttle position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold pressure
- F02D2200/0408—Estimation of intake manifold pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Supercharger (AREA)
Description
2 ECU(基本推定過給圧算出手段、流量変化状態パラメータ取得手段、補正値算出手段、推定過給圧算出手段、制御手段、推定吸気圧算出手段、目標過給圧設定手段)
3 内燃機関
10 ターボチャージャ(過給機)
12 スロットル弁機構(流量変更機構)
PTCtmp 推定過給圧の暫定値(基本推定過給圧)
PTCest 推定過給圧
DPTC 補正項(補正値)
PBest 推定吸気圧
DPB 推定吸気圧変化量(流量変化状態パラメータ)
NE 内燃機関の回転数
K3 補正項ゲイン(ゲイン)
DP2 第2圧力偏差(推定吸気圧と推定過給圧との差分)
Djud2 第2判定値
PTCsta 定常到達過給圧(過給機により達成可能な過給圧の最大値)
PTCobj 目標過給圧
Claims (4)
- 吸入ガスの過給圧を変更可能な過給機と、当該吸入ガスの流量を変更可能な流量変更機構とを有する内燃機関の制御装置であって、
前記内燃機関の運転状態に応じて、基本推定過給圧を算出する基本推定過給圧算出手段と、
前記流量変更機構による前記吸入ガスの流量の変化状態に対して相関性を有する流量変化状態パラメータを取得する流量変化状態パラメータ取得手段と、
当該流量変化状態パラメータに応じて、補正値を算出する補正値算出手段と、
当該補正値で前記基本推定過給圧を補正することにより、前記過給圧の推定値である推定過給圧を算出する推定過給圧算出手段と、
当該推定過給圧を用いて、前記内燃機関の動作状態を制御する制御手段と、
前記内燃機関のインテークマニホールド内の吸入ガス圧力の推定値である推定吸気圧を、前記流量変更機構の応答遅れと当該流量変更機構から前記インテークマニホールド内に流入する吸入ガスのむだ時間とを反映させるための所定のフィルタリング演算によって算出する推定吸気圧算出手段と、
を備え、
前記流量変化状態パラメータ取得手段は、前記流量変化状態パラメータとして、前記推定吸気圧の変化量である推定吸気圧変化量を取得し、
前記補正値算出手段は、前記内燃機関の回転数に応じて、ゲインを算出し、当該算出したゲインを前記推定吸気圧変化量に乗算することにより、前記補正値を算出することを特徴とする内燃機関の制御装置。 - 前記推定吸気圧と前記推定過給圧との差分が所定範囲内にあるときには、前記補正値算出手段は、前記補正値の算出を停止するとともに、前記推定過給圧算出手段は、前記推定過給圧を前記基本推定過給圧に設定することを特徴とする請求項1に記載の内燃機関の制御装置。
- 前記基本推定過給圧算出手段は、現時点における前記内燃機関の運転状態及び環境条件において前記過給機により達成可能な過給圧の最大値に対して、前記過給機の応答遅れ特性を反映させるための所定のフィルタリング処理を施すことによって、前記基本推定過給圧を算出することを特徴とする請求項1又は2に記載の内燃機関の制御装置。
- 前記推定過給圧の目標となる目標過給圧を設定する目標過給圧設定手段をさらに備え、
前記制御手段は、前記推定過給圧が前記目標過給圧になるように、前記過給機の動作状態を制御することを特徴とする請求項1ないし3のいずれかに記載の内燃機関の制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2016016256A JP6662650B2 (ja) | 2016-01-29 | 2016-01-29 | 内燃機関の制御装置 |
US15/406,783 US10151255B2 (en) | 2016-01-29 | 2017-01-16 | Control device for internal-combustion engine, and control method for internal-combustion engine |
Applications Claiming Priority (1)
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---|---|---|---|
JP2016016256A JP6662650B2 (ja) | 2016-01-29 | 2016-01-29 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2017133480A JP2017133480A (ja) | 2017-08-03 |
JP6662650B2 true JP6662650B2 (ja) | 2020-03-11 |
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JP2016016256A Active JP6662650B2 (ja) | 2016-01-29 | 2016-01-29 | 内燃機関の制御装置 |
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US (1) | US10151255B2 (ja) |
JP (1) | JP6662650B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11092089B1 (en) * | 2020-06-30 | 2021-08-17 | GM Global Technology Operations LLC | Variable compression ratio engine control strategy |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4691521A (en) * | 1984-04-25 | 1987-09-08 | Nissan Motor Co., Ltd. | Supercharger pressure control system for internal combustion engine with turbocharger |
DE3543480A1 (de) * | 1984-12-11 | 1986-06-12 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | Vorrichtung und verfahren zum regeln des aufladungsdrucks in einem turbolader |
JPH07317591A (ja) * | 1994-05-26 | 1995-12-05 | Unisia Jecs Corp | 過給圧検出手段の故障診断装置 |
JP4244790B2 (ja) | 2003-11-27 | 2009-03-25 | 日産自動車株式会社 | 可変圧縮比内燃機関及びその制御方法 |
-
2016
- 2016-01-29 JP JP2016016256A patent/JP6662650B2/ja active Active
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2017
- 2017-01-16 US US15/406,783 patent/US10151255B2/en active Active
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Publication number | Publication date |
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JP2017133480A (ja) | 2017-08-03 |
US20170218861A1 (en) | 2017-08-03 |
US10151255B2 (en) | 2018-12-11 |
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