EP2999870A1 - Verfahren und steuergerät zum kalibrieren eines antriebs einer drosselklappe eines verbrennungsmotors in einem kraftfahrzeug - Google Patents
Verfahren und steuergerät zum kalibrieren eines antriebs einer drosselklappe eines verbrennungsmotors in einem kraftfahrzeugInfo
- Publication number
- EP2999870A1 EP2999870A1 EP14715234.2A EP14715234A EP2999870A1 EP 2999870 A1 EP2999870 A1 EP 2999870A1 EP 14715234 A EP14715234 A EP 14715234A EP 2999870 A1 EP2999870 A1 EP 2999870A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal combustion
- combustion engine
- throttle valve
- drive
- motor vehicle
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000004590 computer program Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2432—Methods of calibration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/105—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/106—Detection of demand or actuation
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/045—Detection of accelerating or decelerating state
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2438—Active learning methods
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2464—Characteristics of actuators
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2474—Characteristics of sensors
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D2011/101—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles
- F02D2011/102—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles at least one throttle being moved only by an electric actuator
-
- 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
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/16—End position calibration, i.e. calculation or measurement of actuator end positions, e.g. for throttle or its driving actuator
Definitions
- the present invention relates to a method for calibrating a drive of a throttle valve of an internal combustion engine in a motor vehicle and to a control unit designed to carry out such a method and to a motor vehicle having such a control unit.
- a throttle valve In a motor vehicle having an internal combustion engine, a throttle valve generally serves to regulate an amount of air supplied to the internal combustion engine. To the throttle, for example, in the intake manifold of the
- Combustion engine suitable position the position of the
- Throttle can be adjusted using a suitable drive.
- electric motors in the form of, for example, brushed DC motors have been used.
- brushed DC motors have been used.
- BLDC motor BrushLess Direct Current Motor
- Such motors are sometimes referred to as electrically commutated electrical machines.
- An activation of such a BLDC motor should generally be designed in such a way that the motor is always as optimal as possible Efficiency is operated.
- the drive can react very sensitively, for example, to parameter fluctuations and angle errors between a rotor and a stator of the motor.
- An angular error is a deviation between an actual rotor position and a rotor position assumed by the control software.
- the rotor position can be determined by means of a current-based angle detection.
- a Ström based angle detection In a Ström based
- Angle detection uses an algorithm based on a motor model to calculate or estimate the position of the rotor from the measured currents. Such a current-based angle detection may be below
- a current control requires a current sensor for detecting the current actual values.
- a generally non-linear relationship between a rotor position and an output voltage of the throttle angle sensor can be represented, for example, as a characteristic curve. This characteristic is initially unknown and can, for example, before an actual start-up of the electrical
- Drosselklappenverstellü be determined.
- Basic adaptation ie the characteristic curve, can then be carried out in a control unit (ECU). stored and subsequently used to drive the BLDC motor.
- ECU control unit
- Throttle angle sensor during a later operation, for example, by external influences, in particular by temperature fluctuations, and over the life, in particular by wear and tear, change.
- the originally recorded characteristic can then deviate from the actual prevailing relationship between the rotor position and the output voltage of the throttle angle sensor, so that the control of the BLDC motor can be faulty.
- a method and a control device for a motor vehicle executing such a method can be provided with which the above-mentioned characteristic can be corrected during the operation of the motor vehicle and thus the drive of the throttle valve can be calibrated.
- a method for calibrating a drive of a throttle valve of an internal combustion engine in a motor vehicle is proposed.
- a correlation between a rotor position of the drive and an output voltage of a throttle angle sensor follows a characteristic curve.
- the method is characterized by the following steps: First, it is detected whether the internal combustion engine is currently running or stationary. If it is detected that the internal combustion engine is currently stationary, the drive of the throttle valve is actuated to displace the throttle valve into a desired position.
- the electric motor driving the throttle during the standstill of the internal combustion engine is selectively energized such that the throttle valve should shift to a desired position.
- the target position preferably differs from a rest position of the throttle valve, that is, for example, a complete closed position of the throttle.
- Throttle valve are moved to a largely or fully open position.
- the characteristic is then calibrated at this nominal position.
- One idea here is that a correction or a calibration of the characteristic has hitherto been carried out exclusively while the internal combustion engine is running. In order to be able to detect and compensate, for example, deviations between an originally recorded characteristic curve and an actually prevailing correlation between the rotor position of the drive and the output voltage of the throttle angle transmitter, and can compensate
- Adaptation methods are performed to calibrate the characteristic at least at these throttle positions.
- One such method is described in DE 10 201 1 005 774 A1 and is sometimes referred to as a "shuttle method".
- Throttle positions for example, from the current
- Throttle typically only rarely and only for short periods of time. These periods of time usually suffice for the execution of one
- Characteristic section of the characteristic curve are not examined for deviations and thus not be adapted to fully calibrate the entire curve to the current situation.
- the internal combustion engine supplied fuel-air mixture does not affect in a negative way, the throttle valve can be moved in any position with the internal combustion engine, without the operation of the
- the throttle may also be displaced to positions that are rarely or only briefly reached during operation of the motor vehicle with the engine stationary.
- the characteristic curve can be determined, for example, by means of a first
- Calibration method are calibrated, whereas when recognizing a running internal combustion engine, the characteristic curve can be calibrated by means of a second calibration.
- the first and the second calibration method can be up to date, in particular with regard to the throttle valve
- the two calibration methods can also, for example, in terms of the way how
- Deviations from an original characteristic can be recognized and corrected.
- the characteristic curve is calibrated at positions to which the throttle is moved following current driver requirements.
- Position is shifted.
- a control unit provided for carrying out the calibration method should therefore also be in operation during periods in which the internal combustion engine is momentarily stationary, and should be able both to control the drive of the engine
- Throttle flap as well as the calibration process itself.
- the control unit will continue to be in operation and thus be able to the described calibration method perform.
- the calibration method described above can, for example, in a
- Control unit for a motor vehicle to be performed A programmable controller can in this case of a computer program product
- the computer program product can be stored on a computer-readable medium, for example in the form of a nonvolatile memory.
- FIG. 1 shows an arrangement with a controlled by a control unit
- Throttle valve in which the method according to the invention can be carried out.
- FIG. 2 shows a flowchart for illustrating a method according to the invention.
- a motor vehicle typically has a
- the air is supplied via a suction pipe 13.
- a suction pipe 13 In the suction pipe 13, one or more throttle valves 1 is arranged.
- Throttle valve 1 can be pivoted into different positions, so that they can give more or less free air flow through the suction pipe 13.
- a throttle valve adjusting unit 4 is provided, which serves as a drive 3 brushless
- the electric motor does not have a rotor position detection device, for example in the form of its own rotor position angle sensor or a current-based angle detection. There is also no subordinate current control provided.
- a throttle angle sensor 7 is provided which can measure the position or the arrangement angle of the throttle valve 1. Because the
- Throttle 1 via the transmission 5 with serving as a drive 3
- the angle information provided by the throttle angle encoder 7 allows an indirect inference to the currently prevailing position of the rotor in the electric motor, so that this information can be used after appropriate processing for controlling the drive 3.
- a characteristic curve is initially recorded as part of a basic adaptation, which reproduces the correlation between the rotor position of the electric motor and an output voltage of the throttle angle sensor 7. Based on this characteristic, a control unit 1 1, the drive 3 of the
- the characteristic can be, for example, due to
- Calibration method described as it can be performed, for example, in the control unit 1 1.
- a first step S1 it is first detected whether the internal combustion engine 9 of the motor vehicle is currently running or stationary. On the basis of the information obtained in this case, it is then decided in a step S2 whether a first or a second calibration strategy is to be carried out.
- step S5 When it is detected that the engine 9 is currently running, the characteristic is calibrated in a conventional manner (step S5). It is not actively intervened in the global positioning of the throttle valve 1 as part of the calibration process, since this can affect the operation of the engine 9 in an unintentional manner. Instead, the throttle valve 1 of the
- Control unit 1 1 following current driver requirements positioned, that is, the throttle valve 1 is positioned by means of the throttle actuator 4 such that the expressed by the stepping of the accelerator pedal driver's desire for providing engine power can be met.
- the characteristic curve can then be calibrated, for example using conventional methods such as the shuttle method cited above. This may require a local, within certain limits negligible, and time-limited movement of the throttle around the target position.
- the throttle valve 1 can be moved to any desired position.
- the current positioning of the throttle valve 1 can be selected independently of current driver requirements.
- the drive 3 can thus be controlled in a step S3, preferably by the controller 11, in such a way that the throttle valve 1 is displaced into a predefinable desired position.
- the characteristic curve is calibrated at this desired position. Since the throttle valve 1 can be moved to any desired position when the internal combustion engine 9 is stationary, the characteristic curve can be calibrated over any desired partial range.
- a special correction algorithm can be carried out which specifically corrects those sections of the characteristic curve which have been corrected less frequently or not at all during the preceding operation of the motor vehicle. For example, in city traffic, throttle 1 is typically open only a little most of the time. Accordingly, only those portions of the engine 9 characteristic curve are also corrected according to the above-described first calibration strategy associated with a small throttle angle. For a longer one
- Stance phase for example, in front of a red light, then at
- shut off internal combustion engine 9 are corrected those portions of the characteristic curve corresponding to larger throttle angles.
- the throttle valve 1 is opened correspondingly wide and the characteristic is calibrated by reading current measured values from the throttle angle transmitter 7 and optionally from the electric motor of the drive 3.
- the Throttle valve 1 is typically wide open, then the characteristic is already corrected.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013209624.0A DE102013209624A1 (de) | 2013-05-23 | 2013-05-23 | Verfahren und Steuergerät zum Kalibrieren eines Antriebs einer Drosselklappe eines Verbrennungsmotors in einem Kraftfahrzeug |
PCT/EP2014/056054 WO2014187593A1 (de) | 2013-05-23 | 2014-03-26 | Verfahren und steuergerät zum kalibrieren eines antriebs einer drosselklappe eines verbrennungsmotors in einem kraftfahrzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2999870A1 true EP2999870A1 (de) | 2016-03-30 |
EP2999870B1 EP2999870B1 (de) | 2024-02-21 |
Family
ID=50439341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14715234.2A Active EP2999870B1 (de) | 2013-05-23 | 2014-03-26 | Verfahren und steuergerät zum kalibrieren eines antriebs einer drosselklappe eines verbrennungsmotors in einem kraftfahrzeug |
Country Status (7)
Country | Link |
---|---|
US (1) | US9822724B2 (de) |
EP (1) | EP2999870B1 (de) |
JP (1) | JP6143948B2 (de) |
KR (1) | KR20160011632A (de) |
CN (1) | CN105247196B (de) |
DE (1) | DE102013209624A1 (de) |
WO (1) | WO2014187593A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109083750A (zh) * | 2018-06-29 | 2018-12-25 | 北京长城华冠汽车技术开发有限公司 | 节气门开度自动控制系统及自动控制方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016209366A1 (de) | 2016-05-31 | 2017-11-30 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Kalibrierung eines Stellgebersystems |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US4505169A (en) * | 1975-09-25 | 1985-03-19 | Ganoung David P | Apparatus using a continuously variable transmission to improve fuel economy |
US4197822A (en) * | 1977-02-14 | 1980-04-15 | Colt Industries Operating Corp. | Circuit means and apparatus for controlling the air-fuel ratio supplied to a combustion engine |
US4224908A (en) * | 1978-07-13 | 1980-09-30 | Colt Industries Operating Corp. | Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine |
JPH0635846B2 (ja) | 1984-06-20 | 1994-05-11 | 日産自動車株式会社 | 車両用スロツトル弁遠隔制御装置 |
JPS618433A (ja) | 1984-06-20 | 1986-01-16 | Nissan Motor Co Ltd | 車両用アクセル制御装置 |
US4656407A (en) * | 1985-06-14 | 1987-04-07 | A.R.A. Manufacturing Company Of Delware, Inc. | Electric motor servo control system and method |
JP2001329867A (ja) | 2000-05-23 | 2001-11-30 | Mitsubishi Electric Corp | 吸入空気量制御装置 |
CN100371579C (zh) * | 2004-06-07 | 2008-02-27 | 株式会社电装 | 传感器输出调节方法 |
DE102004030326B4 (de) | 2004-06-23 | 2007-04-26 | Festo Ag & Co. | Elektronisch kommutierter Motor |
JP4450228B2 (ja) | 2005-10-28 | 2010-04-14 | 株式会社デンソー | エンジン制御装置 |
DE102007003151A1 (de) | 2007-01-22 | 2008-07-31 | Siemens Ag | Verfahren zur Einstellung eines Stellwinkels einer Klappvorrichtung einer Ansaugvorrichtung |
US8347859B2 (en) * | 2009-04-29 | 2013-01-08 | Marine Canada Acquisition Inc. | Automatic throttle calibration in a marine vessel |
CN101761401A (zh) * | 2010-03-04 | 2010-06-30 | 霸州市华威发动机技术有限公司 | 一种发动机电子节气门控制的方法和装置 |
DE102010063326A1 (de) | 2010-05-25 | 2011-12-01 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben eines Stellgebers mit einem bürstenlosen Elektromotor |
CN102121834B (zh) * | 2010-11-30 | 2012-07-04 | 力帆实业(集团)股份有限公司 | 节气门位置传感器检测装置的检测方法 |
DE102011005774A1 (de) | 2011-03-18 | 2012-09-20 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Adaption einer Kommutierung für eine elektronisch kommutierte elektrische Maschine |
-
2013
- 2013-05-23 DE DE102013209624.0A patent/DE102013209624A1/de active Pending
-
2014
- 2014-03-26 KR KR1020157033295A patent/KR20160011632A/ko not_active Application Discontinuation
- 2014-03-26 CN CN201480029762.2A patent/CN105247196B/zh active Active
- 2014-03-26 US US14/890,531 patent/US9822724B2/en active Active
- 2014-03-26 EP EP14715234.2A patent/EP2999870B1/de active Active
- 2014-03-26 JP JP2016514305A patent/JP6143948B2/ja active Active
- 2014-03-26 WO PCT/EP2014/056054 patent/WO2014187593A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2014187593A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109083750A (zh) * | 2018-06-29 | 2018-12-25 | 北京长城华冠汽车技术开发有限公司 | 节气门开度自动控制系统及自动控制方法 |
CN109083750B (zh) * | 2018-06-29 | 2020-11-06 | 北京长城华冠汽车技术开发有限公司 | 节气门开度自动控制系统及自动控制方法 |
Also Published As
Publication number | Publication date |
---|---|
DE102013209624A1 (de) | 2014-11-27 |
EP2999870B1 (de) | 2024-02-21 |
JP6143948B2 (ja) | 2017-06-07 |
JP2016524067A (ja) | 2016-08-12 |
US20160102627A1 (en) | 2016-04-14 |
CN105247196B (zh) | 2018-10-16 |
CN105247196A (zh) | 2016-01-13 |
US9822724B2 (en) | 2017-11-21 |
KR20160011632A (ko) | 2016-02-01 |
WO2014187593A1 (de) | 2014-11-27 |
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