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DE102007027703A1 - Vehicle e.g. hybrid vehicle, operating method, involves discharging electrical energy storage to lower boundary value from remaining distance up to destination, where maximum of storage capacity for charging remains at destination - Google Patents

Vehicle e.g. hybrid vehicle, operating method, involves discharging electrical energy storage to lower boundary value from remaining distance up to destination, where maximum of storage capacity for charging remains at destination Download PDF

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Publication number
DE102007027703A1
DE102007027703A1 DE102007027703A DE102007027703A DE102007027703A1 DE 102007027703 A1 DE102007027703 A1 DE 102007027703A1 DE 102007027703 A DE102007027703 A DE 102007027703A DE 102007027703 A DE102007027703 A DE 102007027703A DE 102007027703 A1 DE102007027703 A1 DE 102007027703A1
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Prior art keywords
vehicle
charging
destination
energy
energy storage
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DE102007027703A
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German (de)
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Tobias Miller
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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
    • 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
    • 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
    • B60W20/12—Controlling the power contribution of each of the prime movers to meet required power demand using control strategies taking into account route information
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
    • 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
    • B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
    • B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/60—Navigation input
    • B60L2240/62—Vehicle position
    • 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
    • B60W2510/24—Energy storage means
    • B60W2510/242—Energy storage means for electrical energy
    • B60W2510/244—Charge state
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/20—Road profile, i.e. the change in elevation or curvature of a plurality of continuous road segments
    • 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
    • B60W2555/00—Input parameters relating to exterior conditions, not covered by groups B60W2552/00, B60W2554/00
    • B60W2555/40—Altitude
    • 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
    • B60W2556/00—Input parameters relating to data
    • B60W2556/10—Historical data
    • 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
    • B60W2556/00—Input parameters relating to data
    • B60W2556/45—External transmission of data to or from the vehicle
    • B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
    • 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
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T10/72—Electric energy management in electromobility
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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

Abstract

The method involves determining a charging condition of an electrical energy storage based on a predetermined operational profile. Information from a navigation system or a height measuring device is processed in a control device for the predetermination of the operational profile, and driving routes are stored. The storage is discharged to a lower boundary value from the remaining distance up to a destination, where a maximum of storage capacity for charging remains during a long vehicle delay time at the destination. An independent claim is also included for a control device in a vehicle with a hybrid drive.

Description

Die Erfindung betrifft ein Verfahren zum Betrieb eines einen elektrischen Energiespeicher aufweisenden Hybridantriebes für ein Kraftfahrzeug nach dem Oberbegriff von Anspruch 1.The The invention relates to a method for operating an electric Energy storage having hybrid drive for a motor vehicle after the preamble of claim 1.

Die Offenlegungsschrift DE 100 35 027 A1 offenbart ein Verfahren zur Steuerung eines Hybridfahrzeugs, bei der das vorhersagbare Streckenprofil zum Beispiel anhand des Straßenzustands, der Verkehrsführung sowie der aktuellen Wettersituation erfasst wird.The publication DE 100 35 027 A1 discloses a method for controlling a hybrid vehicle, in which the predictable route profile is detected, for example, based on the road condition, the traffic guidance and the current weather situation.

Wie in der DE 100 05 581 A1 veröffentlicht, können vom Fahrer häufig benutzte Strecken, wie beispielsweise zum Arbeitsplatz, durch Positionsermittler, beispielsweise ein GPS-Navigationssystem, prognostiziert und somit auch deren Höhen- und Verkehrsprofil erkannt werden. Ebenfalls finden zusätzliche Informationen wie Staumeldungen Eingang in die Vorausberechnung von Fahrtzeit und -Strecke, wodurch die Ausnutzung der elektrischen Speicherkapazität verbessert und somit der Systemwirkungsgrad gesteigert werden kann.Like in the DE 100 05 581 A1 published, can be used by the driver frequently used routes, such as the workplace, by position investigators, such as a GPS navigation system, predicted and thus their height and traffic profile can be detected. Additional information, such as traffic jam messages, is also included in the pre-calculation of travel time and distance, which can improve the utilization of electrical storage capacity and thus increase system efficiency.

In der DE 198 31 487 C1 ist ein Verfahren zum Betrieb eines Hybridantriebs für ein Kraftfahrzeug beschrieben, welcher einen Verbrennungsmotor, eine Batterie und einen Generator aufweist. Das Verfahren erfasst, unter anderem aus Zielrouteneinstellungen von Navigationssystemen, Informationen über die zu absolvierende Fahrstrecke und kann so die Leistungsanforderungen an den Hybridantrieb im Voraus berechnen. Daraus kann ein Ansteuerzeitplan für die einzelnen Antriebskomponenten unter Berücksichtigung der jeweiligen Wirkungsgrade der Antriebskomponenten oder Betriebsarten in Abhängigkeit von den zu erwartenden Leistungsanforderungen ermittelt werden. Insbesondere wird hierbei der Ladezustand der Batterie berücksichtigt, so dass es möglich ist, die Batteriekapazität besser auszunutzen und den Wirkungsgrad des Gesamtsystems zu steigern. So wird beispielsweise bei einer vorhersehbaren Talfahrt nach Erreichen eines Passes die elektrische Energie der Batterie bei der Bergfahrt zum Pass von dem auch als Elektromotor wirkenden Generator verbraucht, da der elektrische Energiespeicher in dem sich anschließenden Gefälleabschnitt wieder durch Rekuperation im Generator geladen wird. Im Stand der Technik ist die Betrachtung einer besseren Kapazitätsausnutzung sowie der CO2–neutralen Wiederaufladung des elektrischen Energiespeichers auf die Rekuperation im Fahrzustand beschränkt.In the DE 198 31 487 C1 a method for operating a hybrid drive for a motor vehicle is described which comprises an internal combustion engine, a battery and a generator. The method captures information about the route to be traveled, among other things from destination route settings of navigation systems, and can thus calculate the power requirements for the hybrid drive in advance. From this, a drive schedule for the individual drive components can be determined taking into account the respective efficiencies of the drive components or operating modes as a function of the expected power requirements. In particular, in this case the state of charge of the battery is taken into account, so that it is possible to make better use of the battery capacity and to increase the efficiency of the overall system. Thus, for example, in a predictable descent after reaching a pass, the electrical energy of the battery consumed in driving uphill to the pass of the acting as an electric motor generator, since the electrical energy storage is charged in the subsequent slope section again by recuperation in the generator. In the prior art, the consideration of better capacity utilization and the CO 2 -neutral recharging of the electrical energy storage is limited to the recuperation in the driving state.

Die der Erfindung zugrunde liegende Aufgabe ist es, bei einem Fahrzeug mit Hybridantrieb die Ausnutzung der Speicherkapazität eines elektrischen Energiespeichers zu erhöhen und damit den Anteil der mit CO2-Ausstoss verbundenen verbrennungsmotorischen Leistung am Betriebszyklus zu reduzieren.The object underlying the invention is to increase the utilization of the storage capacity of an electrical energy storage device in a vehicle with hybrid drive and thus to reduce the proportion of combustion engine power associated with CO 2 emissions in the operating cycle.

Diese Aufgabe wird durch die Merkmale des Patentanspruches 1 gelöst.These The object is solved by the features of claim 1.

Bei wiederkehrenden, oft benutzten Streckenverläufen, die abgespeichert sind und anhand bekannter Parameter erkannt werden können, wird der Energieverbrauch auf der Reststrecke bis zum Zielort berechnet und so die elektrische Energie in den Energiespeichern bis auf ein definiertes, zum Betrieb notwendiges Minimum bis zum Zielort verbraucht, so dass nun die maximal mögliche Aufnahmekapazität des Energiespeichers zur Verfügung steht. Die sich nun anschließende Stillstandsphase, z. B. die Arbeitszeit des Fahrers, kann zum stationären Aufladen des Energiespeichers genutzt werden. Die Aufladung erfolgt vorzugsweise aus CO2–neutralen Energiequellen.For recurring, often used routes that are stored and can be detected by known parameters, the energy consumption is calculated on the remaining distance to the destination and thus consumes the electrical energy in the energy storage to a defined, necessary for operation minimum to destination, so that now the maximum possible absorption capacity of the energy storage is available. The now subsequent standstill phase, z. As the working time of the driver, can be used for stationary charging of the energy storage. The charging is preferably carried out from CO 2 -neutral energy sources.

In den in der Zukunft an Bedeutung gewinnenden Sperrzonen von Innenstädten und Ballungsgebieten lösen Ladestationen, an die ein Hybrid-Fahrzeug in einfacher Weise angeschlossen werden kann, das Emissionsproblem. Außerhalb der Sperrzonen kann wieder vom reinen Elektrobetrieb auf den vollen Hybrid-Betrieb umgeschaltet werden. Ladestationen können beispielsweise auf Firmenparkplätzen oder in Innenstädten, bzw. Ballungsgebieten installiert werden.In In future, the importance of exclusion zones of inner cities and metropolitan areas are reloading charging stations, to which a hybrid vehicle can be connected in a simple way, the emission problem. Outside the restricted zones can again on the pure electrical operation to switch to full hybrid operation. Charging stations can for example on company parking lots or in city centers, or metropolitan areas.

Die Erzeugung der Energie, mit der in der Stillstandsphase der Energiespeicher befüllt wird, erfolgt vorzugsweise regenerativ.The Generation of energy, with which in the standstill phase of energy storage is filled, preferably regenerative.

Als Erzeuger der elektrischen Energie für die Befüllung der Energiespeicher in der Stillstandsphase werden aufgrund der angestrebten Energiebilanz hinsichtlich der CO2–Problematik bevorzugt regenerative Energiequellen vorgeschlagen, welche elektrische Energie ohne einen CO2–Ausstoß erzeugen können, insbesondere unter Ausnutzung von Windkraft, Wasserkraft oder Solarenergie. Als eine weitere Möglichkeit kommen solche Energieträger in Frage, welche eine gute Gesamtbilanz hinsichtlich CO2–Ausstoß aufweisen, wie beispielsweise Pflanzenöle. Auch bei einer elektrischen Energieerzeugung aus fossilen Energieträgern bieten die Ladestationen Vorteile, indem die umweltbelastende Energieerzeugung außerhalb der Ballungsräume durchgeführt werden kann.As a generator of electrical energy for filling the energy storage in the standstill phase regenerative energy sources are preferably proposed due to the desired energy balance in terms of CO 2 problem, which can generate electrical energy without CO 2 emissions, in particular by utilizing wind power, hydropower or solar energy , As another possibility, such energy carriers are in question, which have a good overall balance with respect to CO 2 emissions, such as vegetable oils. Even with an electric power generation from fossil fuels, the charging stations offer advantages in that environmentally harmful energy production can be carried out outside of the metropolitan areas.

In einer weiteren Ausgestaltung der Erfindung ist das Hybrid-Fahrzeug mit einer autarken Energiequelle ausgerüstet, so dass in einer Stillstandsphase der Energiespeicher auch unabhängig von einer Ladestation sowie ohne CO2-Ausstoß wieder befüllt werden kann.In a further embodiment of the invention, the hybrid vehicle is equipped with a self-sufficient energy source, so that in a standstill phase of the energy storage can be filled independently of a charging station and without CO 2 emissions again.

Eine Möglichkeit zur autarken Energieerzeugung ist die beispielsweise Ausnutzung der Windenergie durch ein am Fahrzeug vorhandenes, ausklappbares Windrad.A Possibility for self-sufficient energy production is the example Utilization of the wind energy by a folding, which is present on the vehicle Windmill.

Bei einer weiteren Alternative kann das Fahrzeug zum Beispiel Solarzellen, die fest auf der Fahrzeugstruktur angebracht sind, aufweisen oder auch über ein mit Solarzellen bestücktes, ausklappbares Sonnensegel verfügen, welches eine größere Oberfläche bieten kann und sich beispielsweise automatisch nach dem Stand der Sonne ausrichten kann.at In another alternative, the vehicle may, for example, be solar cells, which are fixedly mounted on the vehicle structure, or also via a solar panels equipped, fold-out awning which has a larger surface area can provide and, for example, automatically according to the state of Can align the sun.

In einer weiteren Ausführung der Erfindung werden die Energiespeicher während des Ladevorganges automatisch in Reihe geschaltet, um den Ladestrom zu senken.In Another embodiment of the invention, the energy storage automatically connected in series during the charging process, to lower the charging current.

In einer Ausgestaltung des Verfahrens kann automatisch die für jede Art des elektrischen Energiespeichers optimale Ladekennlinie abgerufen werden.In an embodiment of the method can automatically for each type of electrical energy storage optimal charging characteristic be retrieved.

Besonders vorteilhaft lässt sich das Verfahren in ein Steuergerät in einem Hybridfahrzeug implementieren.Especially Advantageously, the method can be in a control unit implement in a hybrid vehicle.

Um das erfindungsgemäße Verfahren bei einem Fahrzeug anwenden zu können, ist an diesem ein elektrischer Anschluss angebracht, über welchen die Aufladung an der Ladestation erfolgen kann.Around the inventive method in a vehicle to be able to apply this is an electrical connection attached, via which the charging at the charging station can be done.

In der einzigen Figur ist der Ladezustandsverlauf der Erfindung über der Zeit dargestellt. In dem in der Erfindung beschriebenen Verfahren wird die gespeicherte elektrische Energie zum Erreichen des Zielortes bis auf einen zum Starten und zum Erfüllen der elektrischen Grundfunktionen minimalen Energiebetrag aufgebraucht. In der sich anschließenden Stillstandsphase steht die maximale Kapazität des Energiespeichers zur Aufladung zur Verfügung.In the single figure is the state of charge of the invention over represented the time. In the method described in the invention becomes the stored electrical energy to reach the destination except for one to start and to meet the electrical Basic functions minimum energy used up. In which subsequent standstill phase is the maximum capacity of energy storage available for charging.

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

  • - DE 10035027 A1 [0002] - DE 10035027 A1 [0002]
  • - DE 10005581 A1 [0003] - DE 10005581 A1 [0003]
  • - DE 19831487 C1 [0004] - DE 19831487 C1 [0004]

Claims (11)

Verfahren zum Betreiben eines Fahrzeuges mit einem Hybrid-Antrieb, bestehend aus mindestens einer Verbrennungskraftmaschine und mindestens einer Elektromaschine, sowie mindestens einem elektrischen Energiespeicher, dessen Ladezustand abhängig von einem vorausberechneten Fahrprofil bestimmt wird, und einem Steuergerät, in dem zur Vorherbestimmung des Fahrprofils Informationen aus beispielsweise einem Navigationssystem oder einer Höhenmesseinrichtung verarbeitet werden, oder erkannte, sich wiederholende, Fahrtstrecken abgespeichert sind, dadurch gekennzeichnet, dass auf einer Reststrecke bis zu einem Zielort die elektrischen Energiespeicher bis auf einen unteren Grenzwert entleert werden, wodurch am Zielort ein Maximum an Speicherkapazität für eine Aufladung während eines längeren Fahrzeugstillstands zur Verfügung steht.Method for operating a vehicle with a hybrid drive, comprising at least one internal combustion engine and at least one electric machine, and at least one electrical energy storage whose state of charge is determined depending on a predicted driving profile, and a control device in which for determining the driving profile information from, for example be processed a navigation system or a height measuring device, or detected, repetitive, routes are stored, characterized in that the remaining energy to a destination the electrical energy storage are emptied to a lower limit, whereby at the destination a maximum of storage capacity for charging during a longer vehicle standstill is available. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Aufladung der Energiespeicher mit einer Ladestation erfolgt.Method according to claim 1, characterized in that that the charging of the energy storage takes place with a charging station. Verfahren nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Energie zur Aufladung an der Ladestation regenerativ, insbesondere unter Ausnutzung von Windkraft, Wasserkraft und Solarenergie, erzeugbar ist.Process according to claims 1 and 2, characterized characterized in that the energy for charging at the charging station regenerative, in particular using wind power, hydropower and solar energy, is producible. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass in dem Fahrzeug eine autarke Einrichtung zur Umwandlung von regenerativen Energien in elektrischen Ladestrom vorhanden ist.Method according to claim 1, characterized in that that in the vehicle a self-sufficient device for the conversion of regenerative energies is present in electrical charging current. Verfahren nach den Ansprüchen 1 und 4, dadurch gekennzeichnet, dass zur Erzeugung der elektrischen Ladeenergie aus Windkraft ein Windrad am Fahrzeug ausklappbar angeordnet ist.Process according to claims 1 and 4, characterized characterized in that for generating the electrical charging energy from wind power a wind turbine on the vehicle is arranged folded out. Verfahren nach den Ansprüchen 1 und 4, dadurch gekennzeichnet, dass zur Erzeugung der elektrischen Ladeenergie Solarzellen an dem Fahrzeug angeordnet sind.Process according to claims 1 and 4, characterized characterized in that for generating the electrical charging energy Solar cells are arranged on the vehicle. Verfahren nach den Ansprüchen 1 und 4, dadurch gekennzeichnet, dass zur Erzeugung der elektrischen Ladeenergie Solarzellen ausklappbar am Fahrzeug angeordnet sind.Process according to claims 1 and 4, characterized characterized in that for generating the electrical charging energy Solar cells are arranged hinged on the vehicle. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass zur Senkung des Ladestromes die Energiespeicher während des Ladevorganges automatisch in Reihe geschaltet sind.Method according to claim 1, characterized in that that to reduce the charging current, the energy storage during of the charging process are automatically connected in series. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass automatisch die für jede Speicherart optimale Ladekennlinie abrufbar ist.Method according to claim 1, characterized in that that automatically the optimum charging characteristic for each type of storage is available. Steuergerät in einem Fahrzeug mit Hybridantrieb, in der das Verfahren der vorhergehenden Ansprüche implementiert ist.Control unit in a vehicle with hybrid drive, in which implements the method of the preceding claims is. Fahrzeug mit einem Hybrid-Antrieb mit einem Steuergerät nach Anspruch 10.Vehicle with a hybrid drive with a control unit according to claim 10.
DE102007027703A 2007-06-15 2007-06-15 Vehicle e.g. hybrid vehicle, operating method, involves discharging electrical energy storage to lower boundary value from remaining distance up to destination, where maximum of storage capacity for charging remains at destination Withdrawn DE102007027703A1 (en)

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DE102018132785A1 (en) * 2018-12-19 2020-06-25 Kögel Trailer GmbH Control system for a commercial vehicle, control system for a motor vehicle and method for charging control of an energy store
DE102022112017A1 (en) 2022-05-13 2023-11-16 Bayerische Motoren Werke Aktiengesellschaft Method for feeding energy into an on-board electrical system of a motor vehicle, device for feeding energy, computer program and computer-readable storage medium

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