JP7169953B2 - 悪路走行判定装置及び異常判定装置 - Google Patents
悪路走行判定装置及び異常判定装置 Download PDFInfo
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- JP7169953B2 JP7169953B2 JP2019170629A JP2019170629A JP7169953B2 JP 7169953 B2 JP7169953 B2 JP 7169953B2 JP 2019170629 A JP2019170629 A JP 2019170629A JP 2019170629 A JP2019170629 A JP 2019170629A JP 7169953 B2 JP7169953 B2 JP 7169953B2
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- rough road
- misfire
- determination
- threshold
- value
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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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1497—With detection of the mechanical response of the engine
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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
- 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
- B60W40/02—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 related to ambient conditions
- B60W40/06—Road conditions
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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
- F02D41/22—Safety or indicating devices for abnormal conditions
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- 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
- F02D2200/1015—Engines misfires
-
- 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
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/702—Road conditions
-
- 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
- F02D41/0097—Electrical control of supply of combustible mixture or its constituents using means for generating speed signals
-
- 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)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mathematical Physics (AREA)
- Transportation (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
図1を参照して、本実施形態における異常判定装置の構成について説明する。
図2を参照して、本実施形態における悪路走行判定装置の構成について説明する。
図3(a)、図3(b)及び図4を参照して、本実施形態における悪路走行判定処理の流れについて詳しく説明する。
図4の下図を参照して、本実施形態における失火率判定閾値算出処理の流れについて詳しく説明する。なお、図4の失火率の推移を示す図における破線は、失火率判定閾値TH3を示している。
2…悪路走行判定装置
3…失火率判定閾値算出部
4…失火判定パラメータ算出部
5…失火判定閾値算出部
6…失火判定部
7…失火率算出部
8…異常判定部
11…吸気圧センサ
12…クランクセンサ
13…車速センサ
21…監視時間算出部
22…車速移動平均算出部
23…判定パラメータ算出部
24…変動観察部
25…悪路判断部
26…判断保持部
Claims (3)
- 車両が悪路を走行したか否かを判定する悪路走行判定装置であって、
前記車両の車速の短期移動平均と長期移動平均とを算出する移動平均算出部と、
監視期間において前記短期移動平均と前記長期移動平均との差の絶対値を積算した積算値を算出する判定パラメータ算出部と、
前記監視期間において前記短期移動平均と前記長期移動平均との大小が逆転する回数をカウントする変動観察部と、
前記積算値が予め設定されている第1の閾値より大きく且つ前記回数が予め設定されている第2の閾値より大きい場合に、前記車両が悪路を走行したと判定する悪路判断部と、
を有することを特徴とする悪路走行判定装置。 - 車両の内燃機関の失火の検出結果に基づいて失火異常を判定する異常判定装置であって、
請求項1記載の悪路走行判定装置と、
所定期間における前記失火の判定回数に対する前記失火の検出回数の割り合いである失火率を算出する失火率算出部と、
前記失火率が失火率判定閾値より大きい場合に前記失火異常と判定する異常判定部と、
前記所定期間に対する、前記所定期間における前記悪路走行判定装置により悪路を走行してたと判定された悪路走行期間の割り合いに基づいて、前記失火率判定閾値を求める失火率判定閾値算出部と、
を有することを特徴とする異常判定装置。 - 前記失火率判定閾値算出部は、
前記割り合いに第3の閾値を乗じた第1の中間値と、前記所定期間に対する前記所定期間における前記悪路走行期間以外の期間の割り合いに前記第3の閾値よりも前記失火の頻度が低い値として設定される第4の閾値を乗じた第2の中間値と、を求め、前記第1の中間値と前記第2の中間値との和を前記失火率判定閾値とする、
ことを特徴とする請求項2記載の異常判定装置。
Priority Applications (3)
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JP2019170629A JP7169953B2 (ja) | 2019-09-19 | 2019-09-19 | 悪路走行判定装置及び異常判定装置 |
PCT/JP2020/035266 WO2021054394A1 (ja) | 2019-09-19 | 2020-09-17 | 悪路走行判定装置及び異常判定装置 |
DE112020004472.6T DE112020004472T5 (de) | 2019-09-19 | 2020-09-17 | Beurteilungsvorrichtung für Fahrten auf unebener Straße und Anomalie-Beurteilungsvorrichtung |
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JP2019170629A JP7169953B2 (ja) | 2019-09-19 | 2019-09-19 | 悪路走行判定装置及び異常判定装置 |
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JP2021046839A JP2021046839A (ja) | 2021-03-25 |
JP7169953B2 true JP7169953B2 (ja) | 2022-11-11 |
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JP (1) | JP7169953B2 (ja) |
DE (1) | DE112020004472T5 (ja) |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000280882A (ja) | 1999-03-30 | 2000-10-10 | Unisia Jecs Corp | 車両の旋回状態判断装置 |
JP2001287634A (ja) | 2000-04-06 | 2001-10-16 | Denso Corp | 路面状態識別装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
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SE373639B (sv) | 1973-06-18 | 1975-02-10 | M W Gustafson | Anordning for att tillvarata energi som er bunden i vattnets vagrorelse eller sjohevning |
JP3685884B2 (ja) * | 1996-09-05 | 2005-08-24 | 本田技研工業株式会社 | 車両の駆動力制御装置 |
JP2005337168A (ja) | 2004-05-28 | 2005-12-08 | Hitachi Ltd | 悪路走行検出装置 |
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2019
- 2019-09-19 JP JP2019170629A patent/JP7169953B2/ja active Active
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- 2020-09-17 WO PCT/JP2020/035266 patent/WO2021054394A1/ja active Application Filing
- 2020-09-17 DE DE112020004472.6T patent/DE112020004472T5/de active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000280882A (ja) | 1999-03-30 | 2000-10-10 | Unisia Jecs Corp | 車両の旋回状態判断装置 |
JP2001287634A (ja) | 2000-04-06 | 2001-10-16 | Denso Corp | 路面状態識別装置 |
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JP2021046839A (ja) | 2021-03-25 |
WO2021054394A1 (ja) | 2021-03-25 |
DE112020004472T5 (de) | 2022-06-15 |
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