JP2022078406A - 駆動源制御装置 - Google Patents
駆動源制御装置 Download PDFInfo
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- JP2022078406A JP2022078406A JP2020189068A JP2020189068A JP2022078406A JP 2022078406 A JP2022078406 A JP 2022078406A JP 2020189068 A JP2020189068 A JP 2020189068A JP 2020189068 A JP2020189068 A JP 2020189068A JP 2022078406 A JP2022078406 A JP 2022078406A
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- 238000012937 correction Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 27
- 238000002485 combustion reaction Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 abstract description 9
- 230000002250 progressing effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 35
- 239000000446 fuel Substances 0.000 description 20
- 230000001629 suppression Effects 0.000 description 11
- 230000005856 abnormality Effects 0.000 description 9
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000000746 purification Methods 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1497—With detection of the mechanical response of the engine
- F02D41/1498—With detection of the mechanical response of the engine measuring engine roughness
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
-
- 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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
-
- 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
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1002—Output torque
-
- 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
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
- F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
-
- 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
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mathematical Physics (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Description
駆動軸を含む駆動系に接続された駆動源を備える駆動装置に用いられ、目標トルクに基づくトルクで駆動するように前記駆動源を制御する駆動源制御装置であって、
前記駆動源の回転数と前記駆動軸の回転数から演算された前記駆動源の回転数との差に対して位相を所定量進める位相進み処理を施して得られる前記駆動系のねじれ変動の周期および振幅を繰り返し演算し、
演算した前記ねじれ変動の所定周期における振幅が連続して少なくとも2回所定振幅以上になったときには、前記ねじれ変動と逆相の補正トルクを前記目標トルクに加えたトルクで駆動するように前記駆動源を制御する所定制御を実行する
ことを要旨とする。
Nrc=(Vwa+Vwb)/2・1000/60/(2・π・Wr)・G2 ・・・(2)
Claims (3)
- 駆動軸を含む駆動系に接続された駆動源を備える駆動装置に用いられ、目標トルクに基づくトルクで駆動するように前記駆動源を制御する駆動源制御装置であって、
前記駆動源の回転数と前記駆動軸の回転数から演算された前記駆動源の回転数との差に対して位相を所定量進める位相進み処理を施して得られる前記駆動系のねじれ変動の周期および振幅を繰り返し演算し、
演算した前記ねじれ変動の所定周期における振幅が連続して少なくとも2回所定振幅以上になったときには、前記ねじれ変動と逆相の補正トルクを前記目標トルクに加えたトルクで駆動するように前記駆動源を制御する所定制御を実行する
駆動源制御装置。 - 請求項1記載の駆動源制御装置であって、
演算した前記ねじれ変動の前記所定周期における振幅が連続して少なくとも2回としての第1回数所定振幅以上になったときには、前記所定制御を実行し、
前記所定制御の実行中に、演算した前記ねじれ変動の前記所定周期における振幅が前記第1回数より多い第2回数前記所定振幅以上になったときには、前記所定制御の実行を停止して、前記目標トルクで駆動するように前記駆動源を制御する
駆動源制御装置。 - 請求項1または2記載の駆動源制御装置であって、
前記駆動源は、内燃機関であり、
前記所定制御は、前記補正トルクを前記目標トルクに加えたトルクが出力されるように目標点火時期を演算し、前記目標点火時期で点火が行なわれるように前記内燃機関に制御信号を出力し、前記制御信号を用いて前記内燃機関を制御し、
前記所定量は、前記目標点火時期の演算に要する時間に相当する第1遅れ量と、前記制御信号を出力してから前記内燃機関で点火が実行されるまでの時間に相当する第2遅れ量と、前記内燃機関で点火が実行されて前記内燃機関からトルクが出力されるまでの時間としての第3遅れ量と、の和である
駆動源制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020189068A JP7384144B2 (ja) | 2020-11-13 | 2020-11-13 | 駆動源制御装置 |
US17/475,678 US11378054B2 (en) | 2020-11-13 | 2021-09-15 | Driving source control apparatus |
CN202111272234.8A CN114475560B (zh) | 2020-11-13 | 2021-10-29 | 驱动源控制装置 |
Applications Claiming Priority (1)
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JP2020189068A JP7384144B2 (ja) | 2020-11-13 | 2020-11-13 | 駆動源制御装置 |
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JP2022078406A true JP2022078406A (ja) | 2022-05-25 |
JP7384144B2 JP7384144B2 (ja) | 2023-11-21 |
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US (1) | US11378054B2 (ja) |
JP (1) | JP7384144B2 (ja) |
CN (1) | CN114475560B (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01193065A (ja) * | 1988-01-29 | 1989-08-03 | Mazda Motor Corp | エンジンの制御装置 |
JP2014080919A (ja) * | 2012-10-16 | 2014-05-08 | Mitsubishi Motors Corp | エンジンの制御装置 |
JP2015121189A (ja) * | 2013-12-25 | 2015-07-02 | ダイハツ工業株式会社 | 内燃機関の制御装置 |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2949311C2 (de) * | 1979-12-07 | 1983-12-15 | Bosch und Pierburg System oHG, 4040 Neuss | Verfahren und Vorrichtung zur Veränderung des Abstands der von einem Zündimpulsgeber für Brennkraftmaschinen abgegebenen Zündsteuerimpulse |
JPS5848738A (ja) * | 1981-09-16 | 1983-03-22 | Toyota Motor Corp | 車両の振動抑制制御装置 |
JPS5993945A (ja) * | 1982-11-19 | 1984-05-30 | Nippon Denso Co Ltd | 内燃機関のアイドル運転制御方法 |
US4928652A (en) * | 1987-09-17 | 1990-05-29 | Mazda Motor Corporation | Engine control system for suppressing car body vibration |
JP2585312B2 (ja) * | 1987-11-09 | 1997-02-26 | 日産自動車株式会社 | 内燃機関の点火時期制御装置 |
JPH01163467A (ja) * | 1987-12-18 | 1989-06-27 | Hitachi Ltd | 点火進角制御方式 |
JP2759957B2 (ja) * | 1988-03-09 | 1998-05-28 | 株式会社日立製作所 | エンジン制御方法 |
US5379634A (en) * | 1991-07-12 | 1995-01-10 | Honda Giken Kogyo Kabushiki Kaisha | Misfire-detecting system for internal combustion engines |
US5573474A (en) * | 1994-06-28 | 1996-11-12 | General Motors Corporation | Method for controlling ignition timing for an internal combustion engine |
US5669354A (en) * | 1996-04-18 | 1997-09-23 | General Motors Corporation | Active driveline damping |
GB2350909A (en) * | 1999-06-11 | 2000-12-13 | Ford Motor Co | Controlling undesired fore and aft oscillations of a motor vehicle |
DE19958251C2 (de) * | 1999-12-03 | 2002-11-21 | Siemens Ag | Verfahren zum Dämpfen von mechanischen Schwingungen im Antriebsstrang einer Brennkraftmaschine |
US6574535B1 (en) * | 2000-05-31 | 2003-06-03 | General Motors Corporation | Apparatus and method for active driveline damping with clunk control |
EP1260693B1 (en) * | 2001-05-25 | 2008-05-28 | Mazda Motor Corporation | Control system for internal combustion engine |
JP4062666B2 (ja) * | 2002-03-25 | 2008-03-19 | 本田技研工業株式会社 | トルク変動制御装置及びトルク変動制御プログラム |
DE10351958A1 (de) * | 2003-11-07 | 2005-06-16 | Siemens Ag | Dämpfungseinrichtung und Dämpfungsverfahren zur Unterdrückung von Torsionsschwingungen in einem Antriebsstrang |
US7334552B2 (en) * | 2005-10-07 | 2008-02-26 | Ford Global Technologies, Llc | Internal viscous damper monitoring system and method |
JP4453642B2 (ja) | 2005-10-19 | 2010-04-21 | 日産自動車株式会社 | 駆動系の制振制御装置 |
JP4464932B2 (ja) * | 2006-04-27 | 2010-05-19 | 日立オートモティブシステムズ株式会社 | エンジンの制御装置 |
JP2007315203A (ja) | 2006-05-23 | 2007-12-06 | Fuji Heavy Ind Ltd | エンジン制御装置 |
JP4503631B2 (ja) * | 2007-05-18 | 2010-07-14 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP2010089747A (ja) * | 2008-10-10 | 2010-04-22 | Toyota Motor Corp | ハイブリッド車およびその制御方法 |
JP5083174B2 (ja) * | 2008-10-31 | 2012-11-28 | トヨタ自動車株式会社 | 車両の制振制御装置 |
JP2010159723A (ja) * | 2009-01-09 | 2010-07-22 | Honda Motor Co Ltd | エンジンの点火時期制御装置 |
JP5553162B2 (ja) * | 2010-09-29 | 2014-07-16 | アイシン・エィ・ダブリュ株式会社 | 制御装置 |
SE537106C2 (sv) * | 2011-02-23 | 2015-01-13 | Scania Cv Ab | Detektion och dämpning av drivlineoscillationer |
SE537116C2 (sv) * | 2011-02-23 | 2015-01-20 | Scania Cv Ab | Dämpning av drivlineoscillationer |
JP5613321B2 (ja) * | 2011-03-28 | 2014-10-22 | 本田技研工業株式会社 | 内燃機関の制御装置 |
KR101600734B1 (ko) * | 2011-11-18 | 2016-03-07 | 쟈트코 가부시키가이샤 | 자동 변속기의 제어 장치 |
JP5276704B2 (ja) * | 2011-12-12 | 2013-08-28 | 本田技研工業株式会社 | 車両の制御装置 |
WO2013186905A1 (ja) * | 2012-06-14 | 2013-12-19 | トヨタ自動車株式会社 | ハイブリッド車両用駆動装置 |
JP2019038330A (ja) * | 2017-08-23 | 2019-03-14 | 株式会社デンソー | 電子制御装置 |
JP7193264B2 (ja) | 2018-08-06 | 2022-12-20 | 株式会社Soken | 電動車両 |
-
2020
- 2020-11-13 JP JP2020189068A patent/JP7384144B2/ja active Active
-
2021
- 2021-09-15 US US17/475,678 patent/US11378054B2/en active Active
- 2021-10-29 CN CN202111272234.8A patent/CN114475560B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01193065A (ja) * | 1988-01-29 | 1989-08-03 | Mazda Motor Corp | エンジンの制御装置 |
JP2014080919A (ja) * | 2012-10-16 | 2014-05-08 | Mitsubishi Motors Corp | エンジンの制御装置 |
JP2015121189A (ja) * | 2013-12-25 | 2015-07-02 | ダイハツ工業株式会社 | 内燃機関の制御装置 |
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JP7384144B2 (ja) | 2023-11-21 |
US20220154680A1 (en) | 2022-05-19 |
US11378054B2 (en) | 2022-07-05 |
CN114475560A (zh) | 2022-05-13 |
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