DE102006024371A1 - Gear-speed-selection method for a motor vehicle with an automatic gearbox and an electrodynamic drive system uses an electric motor and a summing transmission - Google Patents

Gear-speed-selection method for a motor vehicle with an automatic gearbox and an electrodynamic drive system uses an electric motor and a summing transmission Download PDF

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Publication number
DE102006024371A1
DE102006024371A1 DE102006024371A DE102006024371A DE102006024371A1 DE 102006024371 A1 DE102006024371 A1 DE 102006024371A1 DE 102006024371 A DE102006024371 A DE 102006024371A DE 102006024371 A DE102006024371 A DE 102006024371A DE 102006024371 A1 DE102006024371 A1 DE 102006024371A1
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Prior art keywords
gear
electric motor
summation
drive system
vehicle
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DE102006024371A
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German (de)
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Stefan Dipl.-Ing. Wallner
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ZF Friedrichshafen AG
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ZF Friedrichshafen AG
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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
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/15—Control strategies specially adapted for achieving a particular effect
    • 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
    • B60K6/22—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 apparatus, components or means specially adapted for HEVs
    • B60K6/36—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • 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
    • B60K6/485—Motor-assist 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/11—Stepped gearings
    • 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
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • B60W30/18136—Engine braking
    • 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
    • B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
    • 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
    • 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

A vehicle's internal combustion engine (1) links to a first element (9) in a summing transmission (ST) (3). An electric motor (2) links to a second element (10) in the ST. A gear feed shaft links to a third element (11) in the ST. A clutch (14) interlinks two ST elements but keeps them detachable. When the clutch is engaged, the ST rotates in a blocking operation.

Description

Die vorliegende Erfindung bezieht sich auf ein Verfahren zum Gangauslegen für ein Fahrzeug, umfassend ein automatisiertes Getriebe und ein elektrodynamisches Antriebssystem, gemäß dem Oberbegriff des Patentanspruchs 1.The The present invention relates to a method of gait design for a Vehicle comprising an automated transmission and an electrodynamic Drive system, according to the preamble of claim 1

Aus dem Stand der Technik sind elektrodynamische Antriebssysteme bekannt. Beispielsweise beschreibt die DE 199 34 696 A1 der Anmelderin ein elektrodynamisches Antriebssystem für ein Fahrzeug, welches zwischen einer Antriebsmaschine und einem Schaltgetriebe ein als Summierungsgetriebe dienendes Planetengetriebe, umfassend die drei Elemente Sonnenrad, Hohlrad und Planetenträger aufweist. Hierbei ist ein erstes Element des Planetengetriebes mit dem Schaltgetriebe, ein zweites Element mit der Antriebsmaschine und ein drittes Element mit wenigstens einem Elektromotor verbunden, so dass ein verschleißfreies Anfahrelement für das Fahrzeug gebildet wird.Electrodynamic drive systems are known from the prior art. For example, this describes DE 199 34 696 A1 the Applicant an electro-dynamic drive system for a vehicle, which between a prime mover and a transmission as a summation serving planetary gear comprising the three elements sun gear, ring gear and planet carrier. Here, a first element of the planetary gear is connected to the transmission, a second element to the drive machine and a third element with at least one electric motor, so that a wear-free starting element for the vehicle is formed.

Die DE 101 52 471 A1 der Anmelderin beschreibt ein Verfahren zum Anlassen eines Verbrennungsmotors eines mit einem elektrodynamischen Antriebssystem ausgerüsteten Fahrzeugs, das einen Elektromotor und ein Planetengetriebe zwischen dem Verbrennungsmotor und einem Schaltgetriebe mit Eingangswelle umfasst. Bei dem bekannten elektrodynamischen Antriebssystem wird zunächst der Elektromotor auf eine Drehzahl beschleunigt, die grundsätzlich ausreichend ist, um den Verbrennungsmotor zu starten; danach erfolgt eine geregelte Schließung einer die Drehung der Eingangswelle des Schaltgetriebes abbremsenden Bremse gegen ein feststehendes Gehäuseteil, wodurch ein Moment als Summe aus Elektromotormoment und Rotationsmoment der rotierenden Bauteile auf den Verbrennungsmotor wirkt. Hierbei ist eine Kupp lung vorgesehen, welche das Sonnenrad und den Steg des Planetengetriebes lösbar miteinander verbindet, um das Planetengetriebe zu verblocken.The DE 101 52 471 A1 Applicant describes a method for starting an internal combustion engine of a vehicle equipped with an electrodynamic drive system that includes an electric motor and a planetary gear between the engine and an input shaft-type transmission. In the known electrodynamic drive system, the electric motor is first accelerated to a speed that is basically sufficient to start the engine; Thereafter, there is a controlled closure of a rotation of the input shaft of the transmission decelerating brake against a fixed housing part, whereby a moment acts as the sum of the electric motor torque and rotational torque of the rotating components on the engine. Here, a hitch be provided, which releasably connects the sun gear and the web of the planetary gear to each other to lock the planetary gear.

Bei automatisierten Getrieben wird zum Gangauslegen ein Drehmoment-Nulldurchgang benötigt. Bei negativem Motormoment, d.h. beim Schubbetrieb des Verbrennungsmotors, kann zu diesem Zweck dem Verbrennungsmotor ein kurzer „Gasstoß" (Zwischengas) vorgegeben werden, um den erforderlichen Drehmoment-Nulldurchgang zu realisieren. Diese Vorgehensweise ist unbedingt erforderlich, wenn keine Abkopplung des Getriebes vom Verbrennungsmotor möglich ist.at automated transmissions, a torque zero crossing is required for gear layout. at negative engine torque, i. during overrun operation of the internal combustion engine, For this purpose, the internal combustion engine can be given a short "gas shock" (intermediate gas) to realize the required torque zero crossing. This procedure is absolutely necessary if no decoupling the transmission of the internal combustion engine is possible.

Der kurze Gasstoß führt, falls sich der Gang nicht sofort auslegen lässt, in nachteiliger Weise zu einer ungewollten Beschleunigung des Fahrzeugs. Dies kann wiederum in einer sicherheitskritischen Situation resultieren, insbesondere dann, wenn der Schubbetrieb dem Fahrerwunsch entspricht.Of the short gas stroke leads, if the gait can not be interpreted immediately, disadvantageously to an unwanted acceleration of the vehicle. This can turn result in a safety-critical situation, in particular when the overrun mode corresponds to the driver's request.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren zum Gangauslegen für ein Fahrzeug mit einem automatisierten Getriebe und einem elektrodynamischen Antriebssystem anzugeben, welches einen Elektromotor bzw. eine elektrische Maschine und ein Summierungsgetriebe aufweist, wobei eine Kupplung vorgesehen ist, welche zwei Elemente des Summierungsgetriebes lösbar miteinander verbindet, wodurch im geschlossenen Zustand der Kupplung das Summierungsgetriebe im Blockbetrieb umläuft, durch dessen Durchführung die Gefahr einer ungewollten Beschleunigung im Schubbetrieb des Verbrennungsmotors weitgehend vermieden wird.Of the The present invention is based on the object, a method for gear layout for a vehicle with an automated transmission and an electrodynamic Specify drive system, which is an electric motor or an electric Machine and a summation gear, wherein a clutch it is provided which two elements of the summation gear detachable with each other connects, whereby in the closed state of the clutch the summation circulating in block mode, through its implementation the danger of unintentional acceleration during overrun of the Internal combustion engine is largely avoided.

Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst. Weitere erfindungsgemäße Ausgestaltungen und Vorteile gehen aus den Unteransprüchen hervor.These The object is solved by the features of claim 1. Further Embodiments of the invention and advantages are apparent from the dependent claims.

Demnach wird vorgeschlagen, für ein Fahrzeug mit einem automatisierten Getriebe und einem elektrodynamischen Antriebssystem, welches einen Elektromotor bzw. eine elektrische Maschine und ein Summierungsgetriebe aufweist, bei dem der Verbrennungsmotor des Fahrzeugs mit einem ersten Element des Summierungsgetriebes verbunden ist, der Elektromotor bzw. die elektrische Maschine mit einem zweiten Element des Summierungsgetriebes verbunden ist und die Getriebeeinganswelle mit einem weiteren Element des Summierungsgetriebes verbunden ist, wobei eine Kupplung vorgesehen ist, welche zwei Elemente des Summierungsgetriebes lösbar miteinander verbindet, wodurch im geschlossenen Zustand der Kupplung das Summierungsgetriebe im Blockbetrieb umläuft, beim Gangauslegen im Schubbetrieb den Verbrennungsmotor im Schubbetrieb zu lassen, die Kupplung zu öffnen und durch eine entsprechende Steuerung des Elektromotors bzw. der elektrischen Maschine den zum Gangauslegen erforderlichen Drehmoment-Nulldurchgang zu realisieren.Therefore is proposed for a vehicle with an automated transmission and an electrodynamic Drive system, which is an electric motor or an electric Machine and a summation gear, in which the internal combustion engine of the vehicle with a first element of the summation gear is connected, the electric motor or the electric machine with a second element of the summation gear is connected and the transmission input shaft connected to another element of the summation gear, wherein a clutch is provided, which two elements of the summation gear detachable with each other connects, whereby in the closed state of the clutch the summation circulating in block mode, during gearshifting in overrun mode, the internal combustion engine in overrun mode to let the clutch open and by a corresponding control of the electric motor or the electric machine required for gear layout torque zero crossing to realize.

Durch die erfindungsgemäße Konzeption wird bei einer Minimierung der Gefahr einer ungewollten Beschleunigung ein exakter Drehmoment-Nulldurchgang realisiert, da der Elektromotor im Vergleich zu einem Verbrennungsmotor genauer regelbar ist. Des weiteren ist diese Funktion akustisch nicht wahrnehmbar, was in vorteilhafter Weise in einer Erhöhung des Fahrkomforts resultiert.By the concept of the invention is while minimizing the risk of unwanted acceleration an exact torque zero crossing realized because the electric motor in the Compared to a combustion engine is more precisely controlled. Furthermore This feature is acoustically imperceptible, which is advantageous Way in a raise the ride comfort results.

Die Erfindung wird im Folgenden anhand der beigefügten Figuren beispielhaft näher erläutert.The The invention will be explained in more detail below by way of example with reference to the attached figures.

Es zeigen:It demonstrate:

1 eine schematische Darstellung eines Systems, umfassend einen Verbrennungsmotor, ein Getriebe und ein elektrodynamisches Antriebssystem, bei dem das erfindungsgemäße Verfahren zur Anwendung kommen kann und 1 a schematic representation of a A system comprising an internal combustion engine, a transmission and an electro-dynamic drive system, in which the inventive method can be used and

2 eine schematische Ansicht eines Systems, umfassend ein elektrodynamisches Antriebssystem und ein automatisiertes klauengeschaltetes Getriebe, bei dem das erfindungsgemäße Verfahren zur Anwendung kommen kann. 2 a schematic view of a system comprising an electro-dynamic drive system and an automated claw-connected transmission, in which the inventive method can be used.

In 1 ist ein Verbrennungsmotor 1 gezeigt, welcher abtriebsseitig mit einem Element eines Summierungsgetriebes 3 verbunden ist. Des weiteren ist als Bauteil des elektrodynamischen Antriebssystems ein Elektromotor 2 vorgesehen, welcher ebenfalls antriebsseitig mit einem weiteren Element des Summierungsgetriebes 3 verbunden ist. Mit 4 ist der Antriebsstrang des Fahrzeugs bzw. der Getriebeeingang bezeichnet, welcher antriebsseitig mit einem dritten Element des Summierungsgetriebes 3 verbunden ist; ferner ist eine Steuerungsvorrichtung 5 vorgesehen, über die der Verbrennungsmotor 1 und der Elektromotor gesteuert bzw. geregelt werden.In 1 is an internal combustion engine 1 shown on the output side with an element of a summation gear 3 connected is. Furthermore, as a component of the electrodynamic drive system, an electric motor 2 provided, which also on the drive side with a further element of the summation 3 connected is. With 4 is the drive train of the vehicle or the transmission input called, which drive side with a third element of the summation 3 connected is; Further, a control device 5 provided over which the internal combustion engine 1 and the electric motor are controlled.

In 2 ist ein System, umfassend ein elektrodynamisches Antriebssystem und ein automatisiertes klauengeschaltetes Getriebe 6 gezeigt. Hierbei ist die Kurbelwelle des Verbrennungsmotors 7 über ein Dämpfungselement 8 und eine Welle 15 mit dem Hohlrad 9 des als Summierungsgetriebe dienenden Planetengetriebes 3 verbunden; wie aus 2 ersichtlich, ist der Rotor des Elektromotors bzw. der elektrischen Maschine 2 abtriebsseitig mit dem Sonnenrad 10 des Planetengetriebes 3 verbunden, wobei der Steg 11 des Planetengetriebes 3 mit der Getriebeeingangswelle 12 verbunden ist; zwischen dem Steg 11 des Planetengetriebes 3 und der Getriebeeingangswelle 12 ist im gezeigten Beispiel ein Freilauf 13 vorgesehen.In 2 is a system comprising an electro-dynamic drive system and an automated jaw-connected transmission 6 shown. Here is the crankshaft of the engine 7 via a damping element 8th and a wave 15 with the ring gear 9 serving as summation gear planetary gear 3 connected; like out 2 can be seen, is the rotor of the electric motor or the electric machine 2 on the output side with the sun gear 10 of the planetary gear 3 connected, with the bridge 11 of the planetary gear 3 with the transmission input shaft 12 connected is; between the jetty 11 of the planetary gear 3 and the transmission input shaft 12 is a freewheel in the example shown 13 intended.

Des weiteren ist im gezeigten Beispiel das Sonnenrad 10 des Summierungsgetriebes 3 über eine Kupplung 14 mit dem Hohlrad 9 lösbar verbindbar, wobei die Kupplung 14 vorzugsweise als nasse Lamellenkupplung ausgebildet ist. Bei geschlossener Kupplung 14 wird das Summierungsgetriebe 3 verblockt.Furthermore, in the example shown, the sun gear 10 of the summation gear 3 via a clutch 14 with the ring gear 9 detachably connectable, the clutch 14 is preferably designed as a wet multi-plate clutch. With the clutch closed 14 becomes the summation gear 3 splinted.

Bei dem in 2 dargestellten System ist keine Abkopplung des Verbrennungsmotors vom Getriebe 6 möglich, so dass nach dem Stand der Technik ein aktiver Motoreingriff zum Realisieren des notwendigen Drehmoment-Nulldurchgangs beim Gangauslegen im Schubbetrieb (Gasstoß) erforderlich ist.At the in 2 System shown is no decoupling of the engine from the transmission 6 possible, so that according to the prior art, an active engine intervention for realizing the necessary torque zero crossing in gear layout in overrun (gas shock) is required.

Im Rahmen des erfindungsgemäßen Verfahrens wird vorgeschlagen, beim Gangauslegen im Schubbetrieb den Verbrennungsmotor im Schubbetrieb zu lassen und die Kupplung 14 zu öffnen; auf diese Weise kann gemäß der Erfindung durch eine entsprechende Steuerung des Elektromotors bzw. der elektrischen Maschine 2 der zum Gangauslegen erforderliche Drehmoment-Nulldurchgang realisiert werden, wobei die Gefahr einer ungewollten Beschleunigung weitgehend minimiert wird.In the context of the method according to the invention, it is proposed to leave the internal combustion engine in overrun mode during clutch operation during overrun and the clutch 14 to open; In this way, according to the invention by an appropriate control of the electric motor or the electric machine 2 the required for gear layout torque zero crossing can be realized, the risk of unwanted acceleration is largely minimized.

11
Verbrennungsmotorinternal combustion engine
22
Elektromotorelectric motor
33
Summierungsgetriebe, Planetengetriebesummarizing, planetary gear
44
Getriebeeingang, AntriebsstrangTransmission input, powertrain
55
Steuerungsvorrichtungcontrol device
66
Getriebetransmission
77
Kurbelwelle des Verbrennungsmotorscrankshaft of the internal combustion engine
88th
Dämpfungselementdamping element
99
Hohlrad des Planetengetriebesring gear of the planetary gear
1010
Sonnenrad des Planetengetriebessun of the planetary gear
1111
Steg des Planetengetriebesweb of the planetary gear
1212
GetriebeeingangswelleTransmission input shaft
1313
Freilauffreewheel
1414
Kupplungclutch
1515
Wellewave

Claims (4)

Verfahren zum Gangauslegen für ein Fahrzeug mit einem automatisierten Getriebe und einem elektrodynamischen Antriebssystem, welches einen Elektromotor bzw. eine elektrische Maschine (2) und ein Summierungsgetriebe (3) aufweist, wobei der Verbrennungsmotor (1) des Fahrzeugs mit einem ersten Element (9) des Summierungsgetriebes (3) verbunden ist, der Elektromotor bzw. die elektrische Maschine (2) mit einem zweiten Element (10) des Summierungsgetriebes (3) verbunden ist und die Getriebeeinganswelle mit einem weiteren Element (11) des Summierungsgetriebes (3) verbunden ist, und wobei eine Kupplung (14) vorgesehen ist, welche zwei Elemente des Summierungsgetriebes (3) lösbar miteinander verbindet, wodurch im geschlossenen Zustand der Kupplung (14) das Summierungsgetriebe (3) im Blockbetrieb umläuft, dadurch gekennzeichnet, dass beim Gangauslegen im Schubbetrieb der Verbrennungsmotor (1) im Schubbetrieb gelassen wird und die Kupplung (14) geöffnet wird, wobei durch eine entsprechende Steuerung des Elektromotors bzw. der elektrischen Maschine (2) der zum Gangauslegen erforderliche Drehmoment-Nulldurchgang realisiert wird.Method for gear layout for a vehicle having an automated transmission and an electrodynamic drive system, which comprises an electric motor or an electric machine ( 2 ) and a summation gear ( 3 ), wherein the internal combustion engine ( 1 ) of the vehicle with a first element ( 9 ) of the summation gear ( 3 ), the electric motor or the electric machine ( 2 ) with a second element ( 10 ) of the summation gear ( 3 ) and the transmission input shaft with a further element ( 11 ) of the summation gear ( 3 ), and wherein a coupling ( 14 ) is provided, which two elements of the summation gear ( 3 ) releasably connects to each other, whereby in the closed state of the coupling ( 14 ) the summation gear ( 3 ) circulates in block operation, characterized in that the gear design in overrun operation of the internal combustion engine ( 1 ) is left in overrun mode and the clutch ( 14 ) is opened, wherein by an appropriate control of the electric motor or the electric machine ( 2 ) the gear zero required torque zero crossing is realized. Verfahren zum Gangauslegen für ein Fahrzeug mit einem automatisierten Getriebe und einem elektrodynamischen Antriebssystem nach Anspruch 1, wobei das Summierungsgetriebe (3) als Planetengetriebe ausgebildet ist.Method for gear layout for a vehicle with an automated transmission and an electrodynamic drive system according to claim 1, wherein the summation gear ( 3 ) is designed as a planetary gear. Verfahren zum Gangauslegen für ein Fahrzeug mit einem automatisierten Getriebe und einem elektrodynamischen Antriebssystem nach Anspruch 1 oder 2, wobei die Kupplung (14) als nasse Lamellenkupplung ausgebildet ist.Method for gear layout for a vehicle with an automated transmission and a electrodynamic drive system according to claim 1 or 2, wherein the coupling ( 14 ) is designed as a wet multi-plate clutch. Verfahren zum Gangauslegen für ein Fahrzeug mit einem automatisierten Getriebe und einem elektrodynamischen Antriebssystem nach Anspruch 2, wobei die Kurbelwelle des Verbrennungsmotors (7) über ein Dämpfungselement (8) und eine Welle (15) mit dem Hohlrad (9) des als Summierungsgetriebe dienenden Planetengetriebes (3) verbunden ist, der Rotor des Elektromotors bzw. der elektrischen Maschine (2) abtriebsseitig mit dem Sonnenrad (10) des Planetengetriebes (3) verbunden ist, und wobei der Steg (11) des Planetengetriebes (3) mit der Getriebeeingangswelle (12) verbunden ist.Method for gear layout for a vehicle with an automated transmission and an electrodynamic drive system according to claim 2, wherein the crankshaft of the internal combustion engine ( 7 ) via a damping element ( 8th ) and a wave ( 15 ) with the ring gear ( 9 ) of the planetary gear used as a summation gear ( 3 ), the rotor of the electric motor or the electric machine ( 2 ) on the output side with the sun gear ( 10 ) of the planetary gear ( 3 ), and wherein the bridge ( 11 ) of the planetary gear ( 3 ) with the transmission input shaft ( 12 ) connected is.
DE102006024371A 2006-05-24 2006-05-24 Gear-speed-selection method for a motor vehicle with an automatic gearbox and an electrodynamic drive system uses an electric motor and a summing transmission Withdrawn DE102006024371A1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19904129C1 (en) * 1999-02-03 2000-02-24 Mannesmann Sachs Ag Gear changing operations in drive system with automatic gear box with gear change adjusting element arrangement also automatic frictional coupling to determine initiation of gear change and to control gear changing force
DE10140424A1 (en) * 2001-08-17 2003-02-27 Zahnradfabrik Friedrichshafen Automatically switchable vehicle transmission
DE19509139B4 (en) * 1994-05-13 2006-04-06 Scania Cv Ab Method for automatic computer-controlled switching of a mechanical step transmission

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19509139B4 (en) * 1994-05-13 2006-04-06 Scania Cv Ab Method for automatic computer-controlled switching of a mechanical step transmission
DE19904129C1 (en) * 1999-02-03 2000-02-24 Mannesmann Sachs Ag Gear changing operations in drive system with automatic gear box with gear change adjusting element arrangement also automatic frictional coupling to determine initiation of gear change and to control gear changing force
DE10140424A1 (en) * 2001-08-17 2003-02-27 Zahnradfabrik Friedrichshafen Automatically switchable vehicle transmission

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