DE102007045031A1 - Method for warning during threatening overstraining particularly thermal overstraining of vehicle driven train, involves determining value indicating overload of internal combustion engine, electrical machine or coupling - Google Patents
Method for warning during threatening overstraining particularly thermal overstraining of vehicle driven train, involves determining value indicating overload of internal combustion engine, electrical machine or coupling Download PDFInfo
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- DE102007045031A1 DE102007045031A1 DE102007045031A DE102007045031A DE102007045031A1 DE 102007045031 A1 DE102007045031 A1 DE 102007045031A1 DE 102007045031 A DE102007045031 A DE 102007045031A DE 102007045031 A DE102007045031 A DE 102007045031A DE 102007045031 A1 DE102007045031 A1 DE 102007045031A1
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- electric machine
- clutch
- internal combustion
- combustion engine
- transmission
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Classifications
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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
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
-
- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
-
- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
-
- 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
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- 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
- 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
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/184—Preventing damage resulting from overload or excessive wear of the driveline
- B60W30/1843—Overheating of driveline components
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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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/184—Preventing damage resulting from overload or excessive wear of the driveline
- B60W30/186—Preventing damage resulting from overload or excessive wear of the driveline excessive wear or burn out of friction elements, e.g. clutches
-
- 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
- B60W40/12—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 parameters of the vehicle itself, e.g. tyre models
-
- 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
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/106—Output power
- B60W2510/1065—Transmission of zero torque
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
-
- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Abstract
Description
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Warnen bei drohender Überbeanspruchung, insbesondere thermischer Überbeanspruchung, eines Fahrzeugantriebsstrangs, welcher Fahrzeugantriebsstrang eine Brennkraftmaschine, eine Elektromaschine, wenigstens eine Kupplung und eine Einrichtung zum Ermitteln einer auf eine Überlastung der Brennkraftmaschine, der Elektromaschine oder der Kupplung deutende Größe aufweist.The The invention relates to a method and a device for warning in the case of imminent overuse, in particular thermal overload, a vehicle powertrain, which vehicle powertrain a Internal combustion engine, an electric machine, at least one clutch and a device for determining an overload on the internal combustion engine, the electric machine or the clutch has interpretive size.
Aus
der
Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung der Eingangs beschriebenen Art anzugeben, mit dem bzw. der in einfacher Weise der Fahrer bzw. die Fahrerin eines Kraftfahrzeugs bei drohender Überbeanspruchung eines Elements eines Fahrzeugantriebsstrangs wie Brennkraftmaschine, Elektromaschine oder Kupplung, gewarnt bzw. auf die drohende Überbeanspruchung aufmerksam gemacht wird.Of the Invention is based on the object, a method and an apparatus specify the type described in the input, with the or in the simpler Way the driver of a motor vehicle in imminent overuse of a Elements of a vehicle powertrain such as internal combustion engine, electric machine or clutch, warned or alert to the impending overuse is done.
Der das Verfahren betreffende Teil der Aufgabe wird mit einem Verfahren zum Warnen bei drohender Überbeanspruchung, insbesondere thermischer Überbeanspruchung, eines Fahrzeugantriebsstrangs gelöst, welcher Fahrzeugantriebsstrang eine Brennkraftmaschine, eine Elektromaschine, wenigstens eine Kupplung und eine Einrichtung zum Ermitteln einer auf eine Überlastung der Brennkraftmaschine, der Elektromaschine oder der Kupplung deutende Größe aufweist, bei welchem Verfahren die mit einer wenigstens ein Fahrzeugrad antreibenden Ausgangswelle drehfest verbundene Elektromaschine bei Vorliegen einer auf eine Überlastung der Brennkraftmaschine, der Elektromaschine oder der Kupplung deutende Größe derart angesteuert wird, dass ein Wechselmoment in den Antriebsstrang eingeleitet wird.Of the The part of the problem relating to the method is provided by a method for warning in case of imminent overuse, in particular thermal overload, of a vehicle powertrain, which vehicle driveline an internal combustion engine, an electric machine, at least one clutch and means for determining an overload of the internal combustion engine, the electric machine or the clutch Having size, in which method the driving with at least one vehicle wheel Output shaft rotatably connected electric machine in presence one on one overload of the internal combustion engine, the electric machine or the clutch Size like that is controlled, that an alternating torque is introduced into the drive train.
Die Erfindung, die bei hybridischen Antriebssträngen einsetzbar ist, macht sich zunutze, dass eine in solchen Antriebssträngen enthaltene Elektromaschine derart ansteuerbar ist, dass sie, wenn sie mit einer wenigstens ein Fahrzeugrad antreibenden Antriebswelle drehfest gekuppelt ist, ein für die Fahrzeuginsassen beispielsweise als Ruckeln spürbares Wechselmoment erzeugt. Auf diese Weise ist kein Eingriff in die Kupplungssteuerung erforderlich, die insbesondere bei an der thermischen Belastungsgrenze arbeitenden Kupplung zu deren weiterer Schädigung führen kann.The Invention, which is used in hybrid powertrains makes take advantage of that contained in such powertrains electric machine is so controllable that, if they with at least one a vehicle wheel driving drive shaft is rotatably coupled, one for the vehicle occupants, for example, as jerking noticeable change moment generated. In this way, there is no interference with the clutch control required, especially when at the thermal load limit working coupling can lead to their further damage.
Wenn der Antriebsstrang ein Parallelschalt- bzw. Doppelkupplungsgetriebe mit zwei Teilgetrieben enthält, deren Eingangswellen über je eine eigene Kupplung mit der Brennkraftmaschine kuppelbar sind und die auf eine gemeinsame Ausgangswelle wirken, und die Elektromaschine drehfest mit der Eingangswelle eines der Teilgetriebe verbunden ist, wird bei aktivem, nicht mit der Elektromaschine versehenen Teilgetriebe und drohender Überhitzung von dessen Kupplung die Elektromaschine bei ausgelegten Gängen und geschlossener Kupplung des mit der Elektromaschine versehenen Teilgetriebes derart angesteuert, dass sie ein Wechseldrehmoment abgibt.If the powertrain a Parallelschalt- or dual-clutch transmission contains two partial transmissions, their input shafts over each a separate clutch with the internal combustion engine can be coupled and which act on a common output shaft, and the electric machine rotatably connected to the input shaft of one of the partial transmission is, is in active, not provided with the electric machine partial transmission and impending overheating of the coupling of the electric machine in laid out gears and closed clutch of the sub-transmission provided with the electric machine controlled such that it outputs a change torque.
Vorteilhafterweise wird die Schrittfolge Auslegen aller Gänge in dem mit der Elektromaschine versehenen Teilgetriebe, Schließen von dessen Kupplung und Ansteuern der Elektromaschine derart, dass sie ein Wechseldrehmoment abgibt, nur durchgeführt, wenn die Kupplung des aktiven Teilgetriebes einen unter einem Schwellwert liegenden Schlupf aufweist.advantageously, the sequence of steps will be laying out all the gears in the one provided with the electric machine Partial transmission, closing of its coupling and driving the electric machine such that it gives off an alternating torque, only performed when the clutch of the active sub-transmission has a lying below a threshold slip.
Bei einer alternativen Durchführungsform des erfindungsgemäßen Verfahrens, wobei der Antriebsstrang ein Doppelkupplungsgetriebe mit zwei Teilgetrieben enthält, deren Eingangswellen über je eine eigene Kupplung mit der Brennkraftmaschine kuppelbar sind und die auf eine gemeinsame Ausgangswelle wirken , und die Elektromaschine drehfest mit der Eingangswelle eines der Teilgetriebe verbunden ist, wird bei aktivem mit der Elektromaschine versehenen Teilgetriebe und drohender Überhitzung von dessen Kupplung die Elektromaschine derart angesteuert wird, dass sie ein Wechseldrehmoment abgibt.at an alternative implementation of the inventive method, wherein the drive train is a dual-clutch transmission with two partial transmissions contains their input shafts over each own clutch can be coupled to the engine and which act on a common output shaft, and the electric machine rotatably connected to the input shaft of one of the partial transmission is, is provided with active provided with the electric machine partial transmission and impending overheating of whose coupling the electric machine is controlled such that it gives off an alternating torque.
Bei einer weiteren abgeänderten Durchführungsform des erfindungsgemäßen Verfahrens, bei dem der Antriebsstrang ein Doppelkupplungsgetriebe mit zwei Teilgetrieben enthält, deren Eingangswellen über je eine eigene Kupplung mit der Brennkraftmaschine kuppelbar sind und die auf eine gemeinsame Ausgangswelle wirken , und die Elektromaschine drehfest mit der Eingangswelle eines der Teilgetriebe verbunden ist, wird bei geöffneten Kupplungen beider Teilgetriebe und Antrieb des Fahrzeugs mittels bei Elektromaschine bei eingelegtem Gang im zugehörigen Teilgetriebe bei drohender Überhitzung der Elektromaschine diese derart angesteuert, dass sie ein Wechseldrehmoment abgibt.In a further modified embodiment of the method according to the invention, in the powertrain contains a dual-clutch transmission with two partial transmissions whose input shafts are each coupled via a separate clutch to the internal combustion engine and which act on a common output shaft, and the electric machine is rotatably connected to the input shaft of one of the partial transmission is open with clutches of both partial transmission and Drive the vehicle by means of electric machine with gear engaged in the associated sub-transmission in the event of impending overheating of the electric machine, this driven so that it emits an alternating torque.
Bei einer erfindungsgemäßen Vorrichtung zum Warnen bei drohender Überbeanspruchung, insbesondere thermischer Überbeanspruchung, eines Fahrzeugantriebsstrangs, welcher Fahrzeugantriebsstrang eine Brennkraftmaschine, eine Elektromaschine, ein Getriebe mit einer mit wenigstens einem Fahrzeugrad drehfest verbundenen Ausgangswelle, eine wenigstens eine Kupplung enthaltende Koppelvorrichtung zur drehmomentübertragenden Verbindung der Brennkraftmaschine und/oder der Elektromaschine mit der Ausgangswelle, eine Einrichtung zum Ermitteln einer auf eine Überlastung der Brennkraftmaschine, der Elektromaschine oder der Kupplung deutende Größe und eine elektronischen Steuereinrichtung zum Ansteuern der Elektromaschine zur Abgabe eines vorbestimmten Drehmoments und der Koppelvorrichtung enthält, steuert die elektronische Steuervorrichtung die Koppelvorrichtung und die Elektromaschine unter Durchführung eines Verfahrens nach einem der Ansprüche 1 bis 5 an.at a device according to the invention for Warn in case of imminent overuse, in particular thermal overload, a vehicle powertrain, which vehicle powertrain a Internal combustion engine, an electric machine, a transmission with a with at least one vehicle wheel rotatably connected output shaft, a coupling device containing at least one coupling for torque transmitting connection the internal combustion engine and / or the electric machine with the output shaft, a device for determining an overload on the internal combustion engine, the size of the electric machine or the clutch and one electronic control device for driving the electric machine for delivering a predetermined torque and the coupling device contains the electronic control device controls the coupling device and the electric machine under execution A method according to any one of claims 1 to 5.
Die Erfindung ist in Fahrzeugantriebssträngen einsetzbar, die eine Elektromaschine enthalten, deren Leistungsfähigkeit dafür ausreicht, in den Antriebsstrang ein für die Fahrzeuginsassen deutlich spürbares Wechselmoment einzuleiten.The The invention is applicable to vehicle drive trains comprising an electric machine contain their performance sufficient in the powertrain one for the vehicle occupants clearly noticeable Change moment to initiate.
Die Erfindung wird im Folgenden anhand schematischer Zeichnungen beispielsweise und mit weiteren Einzelheiten erläutert.The Invention will be described below with reference to schematic drawings, for example and explained in more detail.
Es stellen dar:It represent:
Gemäß
Die
Kurbelwelle
Zum
Ein- und Auslegen der Gangräder
dienen Schiebmuffen
Die
Elektromaschine
Zur
Steuerung des gesamten Antriebsstrangs dient eine elektronische
Steuereinrichtung
Im
dargestellten Beispiel sind mit dem Teilgetriebe
Die
Kupplung K1 des Teilgetriebes
Es
sei nun angenommen, dass der Antriebsstrang über längere Zeit bei geschlossener
Kupplung K1 und eingelegtem ersten Gang für ein Anfahren oder Bergauffahren
unter erschwerten Bedingungen, beispielsweise mit Anhänger oder
in einem Stau bergauf, mit sehr geringer Geschwindigkeit betrieben wird,
wobei die Antriebsenergie von der Brennkraftmaschine
Es
wird überprüft, ob im
Teilgetriebe
It is checked if in the partial transmission
Vorteilhafterweise
erfolgt die Einleitung des Wechselmomentes nur dann, wenn K1 mit
unter einem Schwellwert liegender Schlupfdrehzahl betrieben wird,
damit gewährleistet
ist, dass das von der Elektromaschine
Der
Antriebsstrang gemäß
Bei
den anhand der
Im
Falle der
Die geschilderten Verfahren können in Kombination verwendet werden, wobei die Kupplungen und die Elektromaschine jeweils mit einem Temperatursensor versehen sind. Auch sind andere Gangsituationen vorstellbar. Entscheidend ist, dass in kritischen Situationen, bei denen eine thermische Überbeanspruchung einer Kupplung oder der Elektromaschine droht, die Elektromaschine jeweils derart betrieben wird, dass ein für den Fahrer spürbares Wechselmoment in den Antriebsstrang eingeleitet wird.The can be described be used in combination, the clutches and the electric machine each provided with a temperature sensor. Also, others are Gangsituationen conceivable. It is crucial that in critical Situations where a thermal overload of a clutch or the electric machine threatens, the electric machine in each case so is operated, that one for the driver noticeable change moment is introduced into the drive train.
Der geschilderte Hybridantriebsstrang kann vielfältig abgeändert werden. Beispielsweise kann die Elektromaschine über eine weitere Kupplung mit der zugehörigen Welle verbunden sein.Of the described hybrid powertrain can be varied varied. For example can the electric machine over another coupling may be connected to the associated shaft.
Die Erfindung ist nicht nur für Hybrid-Antriebsstränge mit Doppelkupplungsgetrieben einsetzbar, sondern auch mit Hybrid-Antriebssträngen mit konventionellen, vorzugsweise automatisierten Getrieben mit lediglich einer Anfahrkupplung, die in ihrem Aufbau an sich bekannt sind.The Invention is not only for Hybrid powertrains can be used with dual-clutch transmissions, but also with hybrid drive trains with conventional, preferably automated transmissions with only one starting clutch, which are known per se in their construction.
Bei
dem Antriebsstrang gemäß
Bei
dem Antriebsstrang gemäß
Bei
der Ausführungsform
gemäß
Bei
der Ausführungsform
gemäß
Die vorstehend beschriebenen Ausführungsformen von hybridischen Antriebssträngen sind nur beispielhaft und können in vielfältiger Weise variiert werden.The Embodiments described above of hybrid powertrains are only examples and can in more diverse Manner be varied.
Die
drohende Überhitzung
einer Kupplung oder der Elektromaschine muss nicht zwangsläufig mit
Hilfe eines Temperatursensors erfasst werden. In der elektronischen
Steuereinrichtung
Alternativ
oder zusätzlich
können
auch kritische Bedingungen der Brennkraftmaschine
- 1010
- BrennkraftmaschineInternal combustion engine
- 1212
- DoppelkupplungsgetriebeDouble clutch
- 1414
- Elektromaschineelectric machine
- 1616
- Kurbelwellecrankshaft
- 1818
- Eingangswelleinput shaft
- 2020
- Eingangswelleinput shaft
- 2222
- Teilgetriebesubtransmissions
- 2424
- Teilgetriebesubtransmissions
- 2626
- Ausgangswelleoutput shaft
- 2828
- Schiebemuffesliding sleeve
- 3030
- Schiebemuffesliding sleeve
- 3232
- Steuergerätcontrol unit
- 3434
- elektronische Steuereinrichtungelectronic control device
- 3636
- Eingängeinputs
- 3838
- Ausgängeoutputs
- 4040
- Temperatursensortemperature sensor
- 4242
- Temperatursensortemperature sensor
- 4444
- Temperatursensortemperature sensor
- 4646
- Getriebetransmission
- 4848
- Umschlingungsmittelendless
- 5050
- Riemenscheibepulley
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007045031A DE102007045031A1 (en) | 2006-10-16 | 2007-09-20 | Method for warning during threatening overstraining particularly thermal overstraining of vehicle driven train, involves determining value indicating overload of internal combustion engine, electrical machine or coupling |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006048805 | 2006-10-16 | ||
DE102006048805.9 | 2006-10-16 | ||
DE102007045031A DE102007045031A1 (en) | 2006-10-16 | 2007-09-20 | Method for warning during threatening overstraining particularly thermal overstraining of vehicle driven train, involves determining value indicating overload of internal combustion engine, electrical machine or coupling |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007045031A1 true DE102007045031A1 (en) | 2008-04-17 |
Family
ID=39185150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007045031A Withdrawn DE102007045031A1 (en) | 2006-10-16 | 2007-09-20 | Method for warning during threatening overstraining particularly thermal overstraining of vehicle driven train, involves determining value indicating overload of internal combustion engine, electrical machine or coupling |
Country Status (1)
Country | Link |
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DE (1) | DE102007045031A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010016328A1 (en) | 2010-04-06 | 2011-10-06 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Operating method for a hybrid vehicle traveling on a circuit |
DE102012206065A1 (en) * | 2012-04-13 | 2013-10-17 | Bayerische Motoren Werke Aktiengesellschaft | Load protection method of motor car, involves associating load combinations with stress-reducing measure complexes which are respectively connected to control systems |
DE102015202533A1 (en) | 2015-02-12 | 2016-08-18 | Schaeffler Technologies AG & Co. KG | Method for generating a warning signal in a drive train of a vehicle |
DE102015218246A1 (en) | 2015-09-23 | 2017-03-23 | Schaeffler Technologies AG & Co. KG | Method and device for generating a warning signal in a drive train of a vehicle |
CN113044151A (en) * | 2021-04-29 | 2021-06-29 | 北京零极创新科技有限公司 | Electric vehicle instantaneous overload control method and control device, electric vehicle and medium |
DE102020127512A1 (en) | 2020-10-19 | 2022-04-21 | Technische Universität Darmstadt, Körperschaft des öffentlichen Rechts | Method of operating a vehicle with a hybrid powertrain system |
-
2007
- 2007-09-20 DE DE102007045031A patent/DE102007045031A1/en not_active Withdrawn
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010016328A1 (en) | 2010-04-06 | 2011-10-06 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Operating method for a hybrid vehicle traveling on a circuit |
DE102012206065A1 (en) * | 2012-04-13 | 2013-10-17 | Bayerische Motoren Werke Aktiengesellschaft | Load protection method of motor car, involves associating load combinations with stress-reducing measure complexes which are respectively connected to control systems |
DE102012206065B4 (en) | 2012-04-13 | 2024-01-04 | Bayerische Motoren Werke Aktiengesellschaft | Stress protection concept for motor vehicles |
DE102015202533A1 (en) | 2015-02-12 | 2016-08-18 | Schaeffler Technologies AG & Co. KG | Method for generating a warning signal in a drive train of a vehicle |
DE102015218246A1 (en) | 2015-09-23 | 2017-03-23 | Schaeffler Technologies AG & Co. KG | Method and device for generating a warning signal in a drive train of a vehicle |
DE102020127512A1 (en) | 2020-10-19 | 2022-04-21 | Technische Universität Darmstadt, Körperschaft des öffentlichen Rechts | Method of operating a vehicle with a hybrid powertrain system |
US11608047B2 (en) | 2020-10-19 | 2023-03-21 | Technische Universität Darmstadt | Method for operating a vehicle with a hybrid drive train |
CN113044151A (en) * | 2021-04-29 | 2021-06-29 | 北京零极创新科技有限公司 | Electric vehicle instantaneous overload control method and control device, electric vehicle and medium |
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