DE102007042949A1 - Automatic electro-mechanical gear for hybrid vehicles or vehicles with internal combustion engine drive, has output shaft of internal combustion engine, which is connected with gear ring of planetary gear and with input shaft of double gear - Google Patents

Automatic electro-mechanical gear for hybrid vehicles or vehicles with internal combustion engine drive, has output shaft of internal combustion engine, which is connected with gear ring of planetary gear and with input shaft of double gear Download PDF

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Publication number
DE102007042949A1
DE102007042949A1 DE102007042949A DE102007042949A DE102007042949A1 DE 102007042949 A1 DE102007042949 A1 DE 102007042949A1 DE 102007042949 A DE102007042949 A DE 102007042949A DE 102007042949 A DE102007042949 A DE 102007042949A DE 102007042949 A1 DE102007042949 A1 DE 102007042949A1
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gear
clutch
combustion engine
electric machine
internal combustion
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Georg Hienz
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    • 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
    • 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
    • B60K6/22—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
    • B60K6/38—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 driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • B60W10/08—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
    • B60W10/113—Stepped gearings with two input flow paths, e.g. double clutch transmission selection of one of the torque flow paths by the corresponding input clutch
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The automatic electro-mechanical gear has an output shaft (w4) of an internal combustion engine (VM). The output shaft is connected with a gear ring of a planetary gear (PG) and with an input shaft (w1) of a double gear (DG) by a separation clutch (K0) in torque-proof manner. A shaft (w3) of an electric machine (EM) is connected in torque-proof manner with a sun wheel of the planetary gear. A bar of planetary gear is connected with a gearbox input shaft (w2) of the double gear in torque-proof manner. An independent claim is included for a method for controlling an automatic electro-mechanical gear.

Description

Die Erfindung betrifft ein elektromechanisches Automatikgetriebe für Hybridfahrzeuge oder Kraftfahrzeuge mit Verbrennungsmotor-Antrieb gemäß dem Oberbegriff des Patentanspruchs 1. Weiterhin betrifft die Erfindung Verfahren zur Steuerung dieses Automatikgetriebes sowie ein mit einem derartigen Automatikgetriebe ausgerüstetes Kraftfahrzeug.The The invention relates to an electromechanical automatic transmission for Hybrid vehicles or motor vehicles with internal combustion engine drive according to the preamble of claim 1. Further The invention relates to methods for controlling this automatic transmission and a equipped with such an automatic transmission Motor vehicle.

Stand der TechnikState of the art

Aus der DE 10140424 A1 ist ein automatisch schaltbares Fahrzeuggetriebe, bestehend aus einem einfachen Planetengetriebe, einem doppelten Planetengetriebe, einer Elektromaschine sowie mehreren Kupplungen und Bremsen, bekannt. Bei diesem Getriebe erfolgt die Leistungsübertragung von der Verbrennungskraftmaschine und/oder der Elektromaschine zum Abtrieb immer über mehrere Zahnradpaare. Die Übergängen zwischen den einzelnen Gängen erfolgen wie bei herkömmlichen Automatikgetrieben ohne Ruckausgleich und ohne Verminderung der Kupplungsverluste durch die Elektromaschine.From the DE 10140424 A1 is an automatically switchable vehicle transmission, consisting of a simple planetary gear, a double planetary gear, an electric machine and several clutches and brakes, known. In this transmission, the power transmission from the internal combustion engine and / or the electric machine to the output always takes place over several pairs of gears. The transitions between the individual gears are carried out as in conventional automatic transmissions without jerk compensation and without reducing the clutch losses by the electric machine.

Bei einem ähnlichen Vorschlag gemäß DE 10 2005 040 769 A1 ist das Sonnenrad des ersten Planetengetriebes fest mit dem Getriebegehäuse verbunden und die Getriebe-Eingangswelle kann wahlweise von der Verbrennungskraftmaschine und/oder der Elektromaschine angetrieben werden. Um einen sanften Übergang zwischen den einzelnen festen Gängen zu erzielen, muss die Elektromaschine während der Übergangsphase die volle Leistung der Verbrennungskraftmaschine übernehmen.In a similar proposal according to DE 10 2005 040 769 A1 the sun gear of the first planetary gear is fixedly connected to the transmission housing and the transmission input shaft can be selectively driven by the internal combustion engine and / or the electric machine. In order to achieve a smooth transition between the individual fixed gears, the electric machine must take over the full power of the internal combustion engine during the transitional phase.

In der DE 19810374 A1 wird ein Hybridantrieb für ein Kraftfahrzeug vorgeschlagen bei dem die Verbrennungskraftmaschine mit dem Hohlrad, die Elektromaschine mit dem Sonnenrad und der Planetenträger eines Planetengetriebes mit der Antriebswelle eines Automatikgetriebes drehfest verbunden sind, wobei die Abtriebswelle des Automatikgetriebes die Antriebsräder des Fahrzeugs antreibt. Das Planetengetriebe kann mittels einer Kupplung verblockt werden. Bei diesem Vorschlag können verschiedene Abstufungen eines Parallelhybrid-Modus gefahren werden. Die Übergänge zwischen den einzelnen festen Fahrstufen werden jedoch auf herkömmliche Weise, im Automatikgetriebe, realisiert. Entsprechend ruck- und verlustbehaftete Umschaltvorgänge müssen inkauf genommen werden.In the DE 19810374 A1 a hybrid drive for a motor vehicle is proposed in which the internal combustion engine with the ring gear, the electric machine with the sun gear and the planet carrier of a planetary gear with the drive shaft of an automatic transmission are rotatably connected, wherein the output shaft of the automatic transmission drives the drive wheels of the vehicle. The planetary gear can be blocked by means of a coupling. In this proposal, different gradations of a parallel hybrid mode can be driven. However, the transitions between the individual fixed speed levels are realized in a conventional manner, in the automatic transmission. Corresponding jerky and lossy switching operations must be taken into account.

Die DE 10 2005 048 938 A1 beschreibt Doppelkupplungsgetriebe für ein Kraftfahrzeug, insbesondere mit einem Hybridantrieb bzw. Verfahren zur Steuerung dieses Doppelkupplungsgetriebes. Dieses vorgeschlagene Antriebssystem besteht neben dem genannten Doppelkupplungsgetriebe, aus einem Planetengetriebe und einer elektrischen Maschine. Beim Übergang zwischen zwei benachbarten festen Gängen erfolgt zunächst eine Synchronisierung mittels der Elektromaschine. Danach wird die eine Kupplung des Doppelkupplungsgetriebes geöffnet und gleichzeitig die zweite Kupplung geschlossen wobei die durch die Veränderung der Drehzahl der Verbrennungskraftmaschine freiwerdende oder benötigte kinetische Energie in den Kupplungen vernichtet wird. Sofern die Zeit des Umschaltvorgangs zu kurz gewählt wird, muss mit einem spürbaren Ruck gerechnet werden.The DE 10 2005 048 938 A1 describes dual-clutch transmission for a motor vehicle, in particular with a hybrid drive or method for controlling this dual-clutch transmission. This proposed drive system consists in addition to the mentioned dual-clutch transmission, a planetary gear and an electric machine. At the transition between two adjacent fixed gears initially takes place synchronization by means of the electric machine. Thereafter, the one clutch of the dual-clutch transmission is opened and at the same time the second clutch is closed, whereby the kinetic energy released or required by the change in the rotational speed of the internal combustion engine in the clutches is destroyed. If the switching time is too short, a noticeable jerk must be expected.

Die Erfindungen gemäß DE 10 2005 040 769 A1 , WO 200604812 , WO 03006024432 , DE 199164489 A1 und DE 10 2005 030 420 A1 beschreiben verschiedene Varianten von Übertragungen der Antriebsleistung bei Hybridfahrzeugen. Alle diese Vorschläge beinhalten neben Planetengetrieben, Kupplungen und Bremsen immer je zwei Elektromaschinen.The inventions according to DE 10 2005 040 769 A1 . WO 200604812 . WO 03006024432 . DE 199164489 A1 and DE 10 2005 030 420 A1 describe different variants of transmissions of the drive power in hybrid vehicles. All of these proposals always include two electric machines in addition to planetary gears, clutches and brakes.

Aufgabenstellungtask

Der Erfindung liegt die Aufgabe zugrunde eine universell verwendbare Getriebestruktur bzw. deren Steuerungsverfahren vorzuschlagen welche sowohl bei Hybridfahrzeugen als auch bei Kraftfahrzeugen mit Verbrennungsmotor-Antrieb eingesetzt werden kann, wobei einerseits der Gesamtaufwand, der Einbauraum sowie die Erstellungs- und Wartungskostenkosten minimiert, andererseits im stationären Betrieb niedrige Getriebeverluste und beim Umschalten der Gänge völlig ruck- und verlustfreie Übergänge realisiert werden sollen.Of the Invention is based on a universally applicable task To propose transmission structure or their control method which both in hybrid vehicles as well as in motor vehicles with internal combustion engine drive can be used, on the one hand, the total cost, the Installation space as well as the production and maintenance costs are minimized on the other hand, in stationary operation low transmission losses and when switching the gears completely jerky and lossless transitions are to be realized.

Wie bei bekannten Hybridantrieben, soll es auch mit der vorgeschlagenen Lösung möglich sein die Elektromaschine als Motor zur Unterstützung der Verbrennungskraftmaschine (Boost-Funktion) oder als Generator zur Rückgewinnung der Bremsenergie bzw. Aufladung des Energiespeichers betreiben zu können. Reiner Elektroantrieb wie auch das Anlassen der Verbrennungskraftmaschine durch die Elektromaschine soll gleichfalls möglich sein, so daß getrennte Anlass- und auch Lichtmaschinen im Fahrzeug nicht mehr benötigt werden.As in known hybrid drives, it should also with the proposed Solution be possible the electric machine as a motor to support the internal combustion engine (boost function) or as a generator for recovering the braking energy or Charging the energy storage to operate. Reiner Electric drive as well as the starting of the internal combustion engine by the electric machine should also be possible so that separate starting and also alternators in the vehicle no longer needed.

Je nach Leistung der Elektromaschine, deren Steuereinheit (Frequenzumrichter) und der Kapazität des Energiespeichers soll es möglich sein, mit dem grundsätzlich immer gleichen Konzept, verschiedene Gewichtungen des Hybridanteils – Voll-, Mild- und Mikrohybrid – zu realisieren. Auch im Falle von Kraftfahrzeugen ohne Hybridanteil soll das vorgeschlagene System als mehrstufiges Automatikgetriebe genutzt werden können, wobei dann der Elektroteil für eine entsprechend niedrigere Leistung auszulegen ist da die Elektromaschine lediglich kurzzeitig, beim Wechseln der Gänge, eingesetzt wird.Depending on the power of the electric machine, its control unit (frequency converter) and the capacity of the energy storage, it should be possible, with the basically always the same concept, to realize different weightings of the hybrid component - full, mild and micro hybrid. Even in the case of motor vehicles without hybrid component, the proposed system should be able to be used as a multi-stage automatic transmission, in which case the electrical part is designed for a correspondingly lower performance because the electric machine only kurzzei tig, when changing gears, is used.

Ausführungsbeispielembodiment

Weitere Merkmale und Vorteile des erfindungsgemäßen Automatikgetriebes ergeben sich aus dem nachfolgend, anhand der beiliegenden Zeichnungen und einer Tabelle näher erläuterten Ausführungsbeispiel. Darin zeigen:Further Features and advantages of the automatic transmission according to the invention result from the following, with reference to the accompanying drawings and a table explained in more detail embodiment. Show:

1 eine schematische Darstellung der vorgeschlagenen Getriebestruktur in sechsgängiger Ausführung einschließlich Energiespeicher, Frequenzumrichter und Antriebsräder. Auf die Darstellung der zentralen Steuer- und Regeleinheit, der Datenflüsse sowie aller Geber und Vorgabegeräte wurde verzichtet. 1 a schematic representation of the proposed transmission structure in six-speed design including energy storage, frequency converter and drive wheels. The presentation of the central control and regulation unit, the data flows as well as all encoders and predecessors has been dispensed with.

2 Drehzahlverläufe über der Zeit bei Umschaltungen der Gangstufen von 3 nach 4, von 4 nach 5, von 5 nach 4 und von 4 nach 3 sowie beim Fahren in einer dieser Gangstufen. 2 Speed curves over time when switching the gear ratios from 3 to 4, from 4 to 5, from 5 to 4 and from 4 to 3 and when driving in one of these gear ratios.

3 Tabelle 1. Schaltzustände der Kupplungen (K1 bis K6, K0, Ks sowie der Bremse B1) bei verschiedenen Betriebszuständen. 3 Table 1. Switching states of the couplings (K1 to K6, K0, Ks and brake B1) under different operating conditions.

Aus 1 ist die Ähnlichkeit zu dem bekannten Doppelkupplungsgetriebe ersichtlich. Allerdings werden hier statt der beiden Reibungskupplungen das Planetengetriebe PG und die Kupplung Ks verwendet.Out 1 the similarity to the known dual-clutch transmission is apparent. However, instead of the two friction clutches, the planetary gear PG and the clutch Ks are used here.

Durch den Einsatz der Elektromaschine EM, welche vorzugsweise als mehrphasige Synchronmaschine mit permanentmagnetischer Erregung ausgeführt sein sollte, kann die Drehzahl von w3 lastunabhängig exakt geregelt werden, so dass die Kupplung Ks erst bei gleicher Drehzahl der Wellen w1 und w2 geschlossen wird. In gleicher Weise werden alle anderen Kupplungen sowie die Bremse B1 erst nach vorheriger Synchronisation durch die EM betätigt. Dadurch können bei diesem Vorschlag ausschließlich formschlüssige Kupplungen verwendet werden was zu einer erheblichen Verringerung von Einbauraum und zu Kosteneinsparungen führt wobei auch die bei Reibungskupplungen auftretenden Schlupfverluste wegfallen. In Abhängigkeit der vorgebbaren Umschaltzeit können darüber hinaus sehr sanfte, ruckfreie Übergänge zwischen den einzelnen stationären Gangstufen erreicht werden.By the use of the electric machine EM, which preferably as a multi-phase Synchronous machine designed with permanent magnetic excitation should be, the speed of w3 load-independent exactly be regulated, so that the clutch Ks only at the same speed the waves w1 and w2 is closed. In the same way all other clutches and the brake B1 only after previous Synchronization by the EM operated. Thereby can in this proposal only form-fitting Couplings are used resulting in a significant reduction of installation space and leads to cost savings while also the slip losses occurring with friction clutches are eliminated. In Dependence of the predefinable switching time can In addition, very gentle, jerk-free transitions reached between the individual stationary gears become.

Bei stationärem Betrieb in einer festen Gangstufe sind die entsprechende Kupplung (K1 bis K6) sowie Ks und K0 geschlossen. Das Planetengetriebe PG ist somit verblockt, die Elektromaschine EM läuft mit gleicher Drehzahl wie die Verbrennungskraftmaschine VM und kann im Parallel-Hybrid-Modus motorisch oder generatorisch betrieben werden. Dabei wird die Antriebsleistung von VM bzw. EM über die miteinander verblockten Antriebswellen w1, w2 und w3 über nur ein Zahnradpaar, bei entsprechend niedrigen Getriebeverlusten, auf die Abtriebswelle w4 übertragen.at stationary operation in a fixed gear are the corresponding clutch (K1 to K6) and Ks and K0 closed. The planetary gear PG is thus blocked, the electric machine EM runs at the same speed as the internal combustion engine VM and can in motorized or regenerative mode in parallel hybrid mode operate. The drive power of VM or EM is over the interconnected drive shafts w1, w2 and w3 over only one pair of gears, with correspondingly low transmission losses, transmitted to the output shaft w4.

3 bzw. Tabelle 1 enthält den Schaltzustand der einzelnen Kupplungen und der Bremse B1 („X” steht für geschlossen) in Abhängigkeit vom jeweiligen Betriebszustand, wobei die Schaltzustände in den Übergangsbereichen durch die in 2 dargestellten zeitlichen Verläufe deutlicher ersichtlich sind. 3 or Table 1 contains the switching state of the individual clutches and the brake B1 ("X" stands for closed) as a function of the respective operating state, wherein the switching states in the transition regions by the in 2 shown temporal courses are clearer.

2 zeigt die bei optimaler Regelung erzielbaren zeitlichen Verläufe der Drehzahlen der Antriebswellen w1, w2 und w3 und der Abtriebswelle w4 sowie die Schaltzustände der beteiligten Kupplungen K3, K4, K5 und Ks am Beispiel einer Beschleunigungsfahrt im 3. Gang mit Umschaltung in den 4. und 5. Gang, einer Fahrt mit konstanter Geschwindigkeit und einer Verzögerungsfahrt mit Umschaltung vom 5. in den 4. und 3. Gang. Die Steuerungsverfahren während dieser Umschaltvorgänge sind in den Patentansprüchen 4 und 5 näher beschrieben. 2 shows the achievable with optimal control timing of the speeds of the drive shafts w1, w2 and w3 and the output shaft w4 and the switching states of the participating clutches K3, K4, K5 and Ks the example of an acceleration ride in 3rd gear with switching to the 4th and 5th Gear, a constant speed ride and a deceleration drive with a shift from 5th to 4th and 3rd gear. The control methods during these switching operations are described in more detail in the claims 4 and 5.

Es ist anzumerken, dass während der Umschaltvorgänge keine zusätzlichen Verluste entstehen.It It should be noted that during the switching operations no additional losses occur.

Beim Anfahren wird die Drehzahl der Elektromaschine (Welle w3) zunächst im Leerlauf in die der VM-Drehzahl (Welle w1) entgegen gesetzte Drehrichtung gefahren bis die Drehzahl von w2 Null wird. Dann wird K1 geschlossen und die EM im Generatorbetrieb auf Drehzahl Null gefahren, reversiert und anschließend im Motorbetrieb dem Wert der VM-Drehzahl (Welle w1) angeglichen. Nach der Synchronisation wird Ks geschlossen. Für den Anfahrvorgang wird keine zusätzliche Ausrüstung wie Anfahrkupplung, Wandler oder Anfahrbremse benötigt und es entstehen keine zusätzlichen Verluste.At the The speed of the electric machine (shaft w3) will first start at idle in the VM speed (wave w1) opposite The direction of rotation is driven until the speed of w2 becomes zero. Then it will be K1 closed and the EM in generator mode to zero speed driven, reversed and then in engine operation the Value of the VM speed (wave w1) adjusted. After the synchronization Ks is closed. For the starting process is no additional Equipment such as starting clutch, torque converter or starting brake needed and there are no additional losses.

Das Anlassen der Verbrennungskraftmaschine VM bei stehendem Fahrzeug oder während einer Fahrt mit reinem Elektroantrieb erfolgt gemäß den in den Patentansprüchen 6 und 7 beschriebenen Steuerungsverfahren. Die bei Fahrzeugen mit herkömmlichem Antrieb verwendeten Anlass- oder Anlass-Licht-Maschinen werden nicht mehr benötigt.The Starting the internal combustion engine VM when the vehicle is stationary or during a drive with pure electric drive according to the in claims 6 and 7 described control method. The in vehicles with conventional Drive used starter or start-light machines will not more needed.

Beim reinen Elektrobetrieb wird die Welle w1 mittels der Bremse B1 arretiert und K0 bei leer laufender VM geöffnet. Über die Kupplungen K1, K3 oder K5 wird ein ungerader Gang eingelegt und die Elektromaschine EM in positiver Drehrichtung bei Vorwärtsfahrt oder negativer Drehrichtung bei Rückwärtsfahrt betrieben. Über eine lastunabhängige Drehzahlregelung lässt sich damit sehr komfortabel das Fahrzeug im Stop-and-go- sowie im Rangiermodus betreiben. Ein Gangwechsel während der Fahrt (z. B. von Gang 1 nach Gang 3) kann nur unter einer Drehmoment-Unterbrechung erfolgen.In pure electric mode, the shaft w1 is locked by means of the brake B1 and K0 is opened when the VM is idle. An odd gear is engaged via the clutches K1, K3 or K5 and the electric motor EM is operated in the positive direction of rotation when driving forwards or in the negative direction when driving backwards. A load-independent speed control makes it very easy to operate the vehicle in stop-and-go as well as in shunting mode. A gear change while driving (eg from gear 1 to gear 3) can only take place with a torque interruption.

In Abhängigkeit der Bauleistung der Elektromaschine EM, des Frequenzumrichters FU und der Kapazität des Energiespeichers ES lässt sich die Gewichtung der Hybridkomponente, entsprechend Voll- Mild- oder Mikro-Hybridsystemen, variieren. Auch Fahrzeuge ohne Hybridantrieb können mit dem vorgeschlagenen elektromechanischen Automatikgetriebe ausgerüstet werden. Hier wird die Elektromaschine lediglich beim Wechseln der Gänge – ggf. auch zum Anlassen und/oder als Lichtmaschine – eingesetzt und benötigt, wie auch die dazugehörigen Komponenten Frequenzumrichter und Energiespeicher, einen sehr geringen Einbauraum. Derartige Getriebe könnten auch bei Fahrzeugen im höheren Leistungsbereich – z. B. bei LKWs, Bussen oder Sonderfahrzeugen – eingesetzt werden.In Dependence of the construction work of the electric machine EM, the Frequency converter FU and the capacity of the energy storage ES allows the weighting of the hybrid component, accordingly Full-mild or micro-hybrid systems, vary. Also vehicles without hybrid drive can with the proposed electromechanical Automatic transmission to be equipped. Here is the electric machine only when changing gears - possibly also for starting and / or as an alternator - used and needed, as well as the associated components Frequency converter and energy storage, a very small installation space. Such transmissions could also be used on vehicles in the higher Power range - z. B. in trucks, buses or special vehicles - used become.

ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

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  • - WO 200604812 [0006] - WO 200604812 [0006]
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Claims (9)

Elektromechanisches Automatikgetriebe für Hybridfahrzeuge oder für Kraftfahrzeuge mit Verbrennungsmotor-Antrieb, siehe Ausführungsbeispiel gemäß 1, mit einem Planetengetriebe (PG), einem aus zwei ineinander laufenden Eingangswellen (w1) und (w2) sowie einer Ausgangswelle (w4) bestehenden Doppelgetriebe (DG) wobei im Falle der ungeraden Gänge 1, 3, 5 etc. die Antriebsleistung von der Eingangswelle w2 über die jeweiligen schaltbaren Kupplungen (K1, K3, K5 etc.) und die entsprechenden Zahnradpaare und im Falle der geraden Gänge 2, 4, 6 etc. die Antriebsleistung von der Eingangswelle (w1) über die schaltbaren Kupplungen (K2, K4, K6 etc.) und die entsprechenden Zahnradpaare auf die Abtriebswelle (w4) übertragen werden kann, mit einer Elektromaschine (EM) und deren Welle (w3), mit einer schaltbaren Synchronisierungskupplung (Ks), einer schaltbaren Feststellbremse (B1) und einer weiteren schaltbaren Trennkupplung (K0), dadurch gekennzeichnet, dass die Abtriebswelle der Verbrennungskraftmaschine (VM) über die Trennkupplung (K0) mit dem Hohlrad des Planetengetriebes (PG) und mit der Eingangswelle (w1) des Doppelgetriebes (DG) und dass die Welle (w3) der Elektromaschine (EM) mit dem Sonnenrad des Planetengetriebes (PG) und dass der Steg dieses Planetengetriebes mit der Eingangswelle (w2) des Doppelgetriebes (DG) drehfest verbunden sind, wobei die beiden Eingangswellen (w2 und w1) des Doppelgetriebes (DG) mittels der schaltbaren Synchronisierungskupplung (Ks) drehfest miteinander verbindbar sind und die Eingangswelle (w1) mit Hilfe der Bremse (B1) arretiert werden kann.Electromechanical automatic transmission for hybrid vehicles or for motor vehicles with internal combustion engine drive, see embodiment according to 1 , with a planetary gear (PG), consisting of two nested input shafts (w1) and (w2) and an output shaft (w4) double gear (DG) wherein in the case of odd gears 1, 3, 5, etc., the drive power from the input shaft w2 via the respective switchable clutches (K1, K3, K5, etc.) and the corresponding gear pairs and in the case of straight gears 2, 4, 6, etc., the drive power from the input shaft (w1) via the switchable clutches (K2, K4, K6 etc.) and the corresponding gear pairs can be transmitted to the output shaft (w4), with an electric machine (EM) and its shaft (w3), with a switchable synchronization clutch (Ks), a switchable parking brake (B1) and a further switchable disconnect clutch ( K0), characterized in that the output shaft of the internal combustion engine (VM) via the separating clutch (K0) with the ring gear of the planetary gear (PG) and with the input shaft (w1) of the double gear (DG) and the shaft (w3) of the electric machine (EM) is rotatably connected to the sun gear of the planetary gear (PG) and the web of this planetary gear to the input shaft (w2) of the double gear (DG), the two input shafts (w2 and w1) of the Double gear (DG) by means of the switchable synchronizing clutch (Ks) rotatably connected to each other and the input shaft (w1) by means of the brake (B1) can be locked. Elektromechanisches Automatikgetriebe gemäß dem Oberbegriff des Patentanspruchs 1, dadurch gekennzeichnet, dass alle verwendeten schaltbaren Kupplungen sowie die schaltbare Bremse (B1) in formschlüssiger Bauart ausgeführt sind.Electromechanical automatic transmission according to the The preamble of claim 1, characterized in that all switchable clutches used and the switchable brake (B1) are designed in a form-locking design. Steuerungsverfahren eines elektromechanischen Automatikgetriebes nach Anspruch 1, dadurch gekennzeichnet, dass bei Vorwärtsfahrt in einem beliebigen Gang eine der Kupplungen (K1 bis K6 im Ausführungsbeispiel gemäß 1) des Doppelgetriebes (DG) sowie die Synchronisierungskupplung (Ks) geschlossen wird und dadurch das Planetengetriebe (PG) verblockt und die Elektromaschine (EM) drehfest mit der Verbrennungskraftmaschine (VM) verbunden wird so dass eine Parallel-Hybrid-Struktur entsteht wobei die Elektromaschine (EM) dann entweder durch Entladung des Energiespeichers ein motorisches Drehmoment erzeugt und die Verbrennungskraftmaschine (VM) unterstützt (Boost-Modus) oder im Generatorbetrieb von der Verbrennungskraftmaschine (VM), oder beim Abbremsen vom Fahrzeug selbst angetrieben wird und den Energiespeicher auflädt.Control method of an electromechanical automatic transmission according to claim 1, characterized in that when driving forward in any gear one of the clutches (K1 to K6 in the embodiment of FIG 1 ) of the double gear (DG) and the synchronization clutch (Ks) is closed and thereby the planetary gear (PG) is blocked and the electric machine (EM) rotatably connected to the internal combustion engine (VM) so that a parallel hybrid structure is produced whereby the electric machine ( EM) then generates a motor torque either by discharging the energy store and supports the internal combustion engine (VM) (boost mode) or in generator mode by the internal combustion engine (VM), or is driven by the vehicle itself during braking and charges the energy store. Steuerungsverfahren eines elektromechanischen Automatikgetriebes nach Anspruch 1, dadurch gekennzeichnet, dass beim Umschalten von einem ungeraden Gang in einen benachbarten geraden Gang (z. B. von Gang 3 nach Gang 4 oder von Gang 5 nach Gang 4, siehe 2), zunächst die Synchronisierungskupplung (Ks) geöffnet wird und danach die Elektromaschine (EM) drehzahlgeregelt, unter motorischer oder generatorischer Last ihre Drehzahl dahingehend verändert, dass die Drehzahl der Welle (w1) den Wert erreicht bei dem die Kupplung des folgenden gewünschten geraden Ganges (z. B. K4) synchron geschlossen und die Kupplung des ungeraden Ganges (z. B. K3) geöffnet werden kann und dass danach die Elektromaschine (EM) im Leerlauf ihre Drehzahl mit der Drehzahl der Wellen (w1 und w2) synchronisiert und das Planetengetriebe (PG) über die Schließung der Kupplung (Ks) verblockt wird.Control method of an electromechanical automatic transmission according to claim 1, characterized in that when switching from an odd gear to an adjacent straight gear (eg from gear 3 to gear 4 or from gear 5 to gear 4, see 2 ), first the synchronizing clutch (Ks) is opened and then the electric machine (EM) speed controlled, under motor or regenerative load their speed changed so that the speed of the shaft (w1) reaches the value at which the clutch of the following desired straight gear ( eg K4) closed synchronously and the clutch of the odd gear (eg K3) can be opened and that then the electric machine (EM) in idle their speed with the speed of the shafts (w1 and w2) synchronized and the planetary gear (PG) is blocked over the closure of the clutch (Ks). Steuerungsverfahren eines elektromechanischen Automatikgetriebes nach Anspruch 1, dadurch gekennzeichnet, dass beim Umschalten von einem geraden Gang in einen benachbarten ungeraden Gang (z. B. von Gang 4 nach Gang 3 oder von Gang 4 nach Gang 5, siehe 2), zunächst die Synchronisierungskupplung (Ks) geöffnet wird und die Elektromaschine (EM) im Leerlauf ihre Drehzahl dahingehend verändert dass die Drehzahl der Welle (w2) den Wert erreicht bei dem die Kupplung des folgenden gewünschten ungeraden Gang (z. B. K5) synchron geschlossen und die Kupplung des geraden Ganges (z. B. K4) geöffnet werden kann und dass danach die Elektromaschine (EM) drehzahlgeregelt, unter motorischer oder generatorischer Last, ihre Drehzahl mit der Drehzahl der Wellen (w1 und w2) synchronisiert und das Planetengetriebe (PG) über die Schließung der Synchronisierungskupplung (Ks) verblockt wird.Control method of an electromechanical automatic transmission according to claim 1, characterized in that when switching from a straight gear into an adjacent odd gear (eg from gear 4 to gear 3 or from gear 4 to gear 5, see 2 ), first the synchronizing clutch (Ks) is opened and the electric machine (EM) idles to change its speed so that the rotational speed of the shaft (w2) reaches the value at which the clutch of the following desired odd gear (eg K5) synchronizes closed and the clutch of the straight gear (eg K4) can be opened and that then the electric machine (EM) speed-controlled, under motor or generator load, their speed with the speed of the shafts (w1 and w2) synchronized and the planetary gear ( PG) is blocked by the closure of the synchronization clutch (Ks). Steuerungsverfahren eines elektromechanischen Automatikgetriebes nach Anspruch 1, dadurch gekennzeichnet, dass bei einem reinen Elektrobetrieb die Kupplungen (K0 und Ks) geöffnet und die Bremse (B1) geschlossen werden und dass die Elektromaschine EM das Fahrzeug in einem der ungeraden Gänge über die Schließung einer der Kupplungen (K1 oder K3 etc.) antreibt oder abbremst.Control method of an electromechanical automatic transmission according to claim 1, characterized in that in a pure electric operation the clutches (K0 and Ks) open and the brake (B1) be closed and that the electric machine EM the vehicle in one of the odd corridors over the closure one of the clutches (K1 or K3 etc.) drives or decelerates. Steuerungsverfahren eines elektromechanischen Automatikgetriebes nach Anspruch 1, dadurch gekennzeichnet, dass beim Anlassen der Verbrennungsmaschine (VM) bei stehendem Fahrzeug, zunächst die Synchronisierungskupplung (Ks) geöffnet und mindestens zwei der vorhandenen ungeraden Gänge über die Schließung deren Kupplungen (z. B. K1 und K3) eingelegt und damit sowohl die Abtriebswelle (w4) als auch die Welle (w2) bzw. der Steg des Planetengetriebes (PG) arretiert werden und dass danach die Verbrennungsmaschine (VM) mittels der Elektromaschine (EM) gestartet wird.Control method of an electromechanical automatic transmission according to claim 1, characterized in that when starting the Combustion engine (VM) with the vehicle stationary, first the sync clutch (Ks) is open and at least two of the existing odd gears over the Closure whose couplings (eg K1 and K3) are inserted and thus both the output shaft (w4) and the shaft (w2) or the web of the planetary gear (PG) are locked and that afterwards the internal combustion engine (VM) started by means of the electric machine (EM) becomes. Steuerungsverfahren eines elektromechanischen Automatikgetriebes nach Anspruch 1, dadurch gekennzeichnet, dass beim Anlassen der Verbrennungsmaschine (VM) bei fahrendem Fahrzeug, zunächst die Trennkupplung (K0) geschlossen, die Bremse (B1) geöffnet und danach die Elektromaschine (EM), generatorisch betrieben wird.Control method of an electromechanical automatic transmission according to claim 1, characterized in that when starting the Combustion engine (VM) while the vehicle is moving, initially the separating clutch (K0) closed, the brake (B1) opened and then the electric machine (EM) is operated as a generator. Steuerungsverfahren eines elektromechanischen Automatikgetriebes nach Anspruch 1, dadurch gekennzeichnet, dass bei Rückwärtsfahrt die Trennkupplung (K0) geöffnet und die Bremse (B1) sowie eine der ungeraden Gänge entsprechenden Kupplung (vorzugsweise K1) geschlossen wird und dass die Elektromaschine (EM) das Fahrzeug antreibt.Control method of an electromechanical automatic transmission according to claim 1, characterized in that when reversing the separating clutch (K0) opened and the brake (B1) and a the odd gears corresponding coupling (preferably K1) is closed and that the electric machine (EM) the vehicle drives.
DE102007042949A 2007-09-10 2007-09-10 Automatic electro-mechanical gear for hybrid vehicles or vehicles with internal combustion engine drive, has output shaft of internal combustion engine, which is connected with gear ring of planetary gear and with input shaft of double gear Withdrawn DE102007042949A1 (en)

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