DE102019002450A1 - Method for charging a battery of at least partially autonomous vehicles and corresponding charging management system - Google Patents
Method for charging a battery of at least partially autonomous vehicles and corresponding charging management system Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
- B60L53/126—Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
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- 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
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- Y02T90/14—Plug-in electric vehicles
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- 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
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- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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Abstract
Die Erfindung betrifft ein Verfahren zum Laden einer Batterie (12) zumindest teilweiser autonomer Fahrzeuge (10). Zunächst wird eine Anfrage zum Laden der Batterie (12) des Fahrzeugs (10) erzeugt, falls ein vorgegebener erster Ladezustand unterschritten wird. Es wird ein von einem Fahrzeugnutzer veranlasstes Bestätigungssignal zu der Anfrage empfangen. Im weiteren Verlauf wird ein Reservierungssignal zu einer der mindestens einen Ladestation (16) übermittelt, womit die Ladestation (16) für andere Fahrzeuge (10) als nicht verfügbar gilt. Mit dem Reservierungssignal wird eine Identifikationsnummer des Fahrzeugs (10) zu der Ladestation (16) übermittelt. Anschließend wird das Fahrzeug (10) in einen vorgegebenen Bereich um die Ladestation (16) manövriert. Mithilfe eines Authentisierungssignals wird das Fahrzeug (10) authentifiziert. Mittels Positionssignale wird das Fahrzeug (10) gegenüber der Ladestation (16) in Abhängigkeit von dem Authentifizieren des Fahrzeugs (10) ausgerichtet. The invention relates to a method for charging a battery (12) of at least partially autonomous vehicles (10). First, a request for charging the battery (12) of the vehicle (10) is generated, if a predetermined first state of charge is exceeded. An acknowledgment signal originated by a vehicle user is received at the request. In the course of a reservation signal is transmitted to one of the at least one charging station (16), whereby the charging station (16) for other vehicles (10) is considered unavailable. With the reservation signal, an identification number of the vehicle (10) is transmitted to the charging station (16). Subsequently, the vehicle (10) is maneuvered into a predetermined area around the loading station (16). With the aid of an authentication signal, the vehicle (10) is authenticated. By means of position signals, the vehicle (10) is aligned with respect to the charging station (16) in dependence on the authentication of the vehicle (10).
Description
Die Erfindung betrifft ein Verfahren zum Laden einer Batterie zumindest teilweise autonomer Fahrzeuge. Die Erfindung betrifft ferner ein Lademanagementsystem mit einem zumindest teilweise autonomen Fahrzeug sowie mindestens einer Ladestation.The invention relates to a method for charging a battery of at least partially autonomous vehicles. The invention further relates to a charging management system with an at least partially autonomous vehicle and at least one charging station.
Mit zunehmender Elektrifizierung des Straßenverkehrs stellt sich immer mehr die Herausforderung, eine entsprechende Ladeinfrastruktur beziehungsweise ein entsprechendes Ladeverfahren zum Laden von Elektrofahrzeugen zu entwickeln und bereitzustellen.With the increasing electrification of road traffic, the challenge of developing and providing an appropriate charging infrastructure or charging method for charging electric vehicles is becoming ever more challenging.
Die Druckschrift
Die Offenlegungsschrift
Es ist Aufgabe der Erfindung, ein alternatives Verfahren zum Laden von Elektrofahrzeugen in einer Ladeinfrastruktur bereitzustellen.It is an object of the invention to provide an alternative method for charging electric vehicles in a charging infrastructure.
Diese Aufgabe wird gemäß den unabhängigen Ansprüchen dieser Anmeldung gelöst. Sinnvolle Weiterbildungen und alternative Ausgestaltungsformen sind in den Ansprüchen, der Beschreibung sowie Figuren angegeben.This object is achieved according to the independent claims of this application. Meaningful developments and alternative embodiments are specified in the claims, the description and figures.
Die Erfindung sieht ein Verfahren zum Laden einer Batterie zumindest teilweiser autonomer Fahrzeuge vor. Das Fahrzeug ist insbesondere ein Elektrofahrzeug, kann jedoch auch ein Kraftfahrzeug sein. Dabei werden folgende Verfahrensschritte ausgeführt:
- In einem ersten Schritt a) wird eine Anfrage zum Laden der Batterie des Fahrzeugs erzeugt, falls ein vorgegebener erster Ladezustand unterschritten wird, wobei mindestens eine Ladestation in einer vorgegebenen Umgebung des Fahrzeugs zum Laden vorgeschlagen wird. Vorzugsweise wird die Anfrage zum Laden der Batterie bereits dann vorgeschlagen, wenn der Ladezustand der Batterie noch nicht null ist. Die Anfrage kann ein Signal sein, welches einem Fahrzeugnutzer einen Ladebedarf anzeigt oder signalisiert. Die Anfrage kann zum Beispiel auf einem Display visuell dargestellt werden. Das Display ist vorzugsweise in einem Fahrzeuginnenraum angeordnet.
- In a first step a), a request for charging the battery of the vehicle is generated if a predetermined first state of charge is exceeded, wherein at least one charging station in a predetermined environment of the vehicle is proposed for charging. Preferably, the request for charging the battery is already proposed when the state of charge of the battery is not yet zero. The request may be a signal which indicates or signals a load to a vehicle user. The request can be visualized on a display, for example. The display is preferably arranged in a vehicle interior.
Beispielsweise kann bei einem Ladezustand von weniger als zehn Prozent bereits eine Anfrage zum Laden der Batterie des Fahrzeugs vorgeschlagen werden. Idealerweise wird zusammen mit der Anfrage zum Laden der Batterie mindestens eine Ladestation in einer vorgegebenen Umgebung des Fahrzeugs vorgeschlagen. Das Vorschlagen einer oder mehrerer Ladestationen kann mittels einer Liste erfolgen, in der verfügbare Ladestationen innerhalb einer vorgegebenen Umgebung des Fahrzeugs verfügbar sind. Die vorgegebene Umgebung des Fahrzeugs kann dabei von dem ersten Ladezustand beziehungsweise der verbleibenden Energiemenge der Batterie abhängig sein. Dabei kann zum Beispiel eine Steuereinheit auf Informationen zu einer Ladeinfrastruktur zugreifen und basierend auf diesen Informationen mehrere potentielle Ladestationen vorschlagen. Diese Information kann ebenfalls eine jeweilige Statusinformation zu der betreffenden Ladestation aufweisen. Beispielsweise können die betreffenden Ladestationen als frei, belegt oder reserviert markiert sein. Die Liste mit mindestens einer vorgeschlagenen Ladestation kann weitere Informationen wie zum Beispiel Art der Ladestation (Schnellladestation oder normale Ladestation), Entfernung zur jeweiligen Ladestation, Status der Ladestation (frei, reserviert, belegt), verwendete Stromstärke oder Spannung zum Aufladen sowie an der Ladestation anschließbare Arten von Steckverbindungen beinhalten.For example, at a state of charge of less than ten percent already a request for charging the battery of the vehicle may be proposed. Ideally, together with the request to charge the battery, at least one charging station in a given environment of the vehicle is proposed. The suggestion of one or more charging stations may be made by means of a list in which available charging stations are available within a given environment of the vehicle. The predetermined environment of the vehicle may be dependent on the first state of charge or the remaining amount of energy of the battery. In this case, for example, a control unit can access information about a charging infrastructure and, based on this information, propose several potential charging stations. This information can also have a respective status information for the relevant charging station. For example, the charging stations in question may be marked as vacant, occupied or reserved. The list of at least one proposed charging station may contain further information such as the type of charging station (fast charging station or normal charging station), distance to the respective charging station, status of the charging station (free, reserved, occupied), used current or voltage for charging and connectable to the charging station Types of connectors include.
In einem weiteren Schritt b) wird ein Bestätigungssignal zu der Anfrage empfangen, welches von einem Fahrzeugnutzer veranlasst wurde. Bestätigt der Fahrzeugnutzer die Fahrt zum Laden des Fahrzeugs, so kann das Navigationssystem des Fahrzeugs den nächstgelegenen Ladepunkt beziehungsweise die nächste freie Ladestation reservieren. Es ist auch möglich, dass der Fahrzeugnutzer von mehreren vorgeschlagenen Ladestationen eine entsprechende Ladestation auswählt. Die ausgewählte Ladestation wird dabei insbesondere reserviert.In a further step b) an acknowledgment signal is received for the request, which was initiated by a vehicle user. If the vehicle user confirms the journey to load the vehicle, the navigation system of the vehicle can reserve the nearest charging point or the next free charging station. It is also possible that the vehicle user of several proposed charging stations selects a corresponding charging station. The selected charging station is reserved in particular.
In einem weiteren Schritt c) wird ein Reservierungssignal zu einer der mindestens einen Ladestation übermittelt, womit die Ladestation für andere Fahrzeuge als nicht verfügbar gilt. Dabei wird mit dem Reservierungssignal eine Identifikationsnummer des Fahrzeugs zu der Ladestation übermittelt. Damit gilt die ausgewählte Ladestation als reserviert und zugleich wird die ausgewählte Ladestation mit dem aufzuladenden Fahrzeug verknüpft. Somit ist es nicht länger möglich, dass ein anderes Fahrzeug die ausgewählte Ladestation belegen kann. Damit kann sichergestellt werden, dass die ausgewählte Ladestation nicht von einem anderen Fahrzeug geladen wird beziehungsweise dem Fahrzeugnutzer nicht „weggeschnappt wird“.In a further step c), a reservation signal is transmitted to one of the at least one charging station, with the charging station being deemed not available to other vehicles. In this case, an identification number of the vehicle is transmitted to the charging station with the reservation signal. Thus, the selected charging station is considered reserved and at the same time the selected charging station is linked to the vehicle to be charged. Thus, it is no longer possible for another vehicle to occupy the selected charging station. This can ensure that the selected charging station is not loaded by another vehicle or is not "snatched away" by the vehicle user.
In einem weiteren Schritt d) wird das Fahrzeug in einen vorgegebenen Bereich um die Ladestation manövriert. Dieses Manövrieren erfolgt bevorzugt voll autonom oder wenigstens teilweise autonom. Der vorgegebene Bereich um die Ladestation ist insbesondere ein Kommunikationsbereich um die Ladestation herum. Dies ist somit bevorzugt jener Bereich, innerhalb dessen eine direkte Kommunikation zwischen der Ladestation und dem Fahrzeug möglich ist. Ist das Fahrzeug außerhalb dieses Kommunikationsbereichs, so kann beispielsweise mit Hilfe einer der Ladestation zugeordneten Kommunikationseinheit eine Kommunikation zwischen Fahrzeug und der Ladestation indirekt ermöglicht werden. Beispielsweise kann die Kommunikationseinheit mehrere Ladestationen innerhalb eines Ladeareals verwalten und entsprechende Anfragen zum Laden von Elektrofahrzeugen empfangen. Die Kommunikationseinheit kann ferner den Zustand der Ladestationen überprüfen und somit feststellen, ob eine geeignete Ladestation für das Elektrofahrzeug verfügbar ist. Insbesondere kann die Kommunikationseinheit ermitteln, ob die ihr zugeordneten Ladestationen frei, reserviert oder belegt sind. Diese Information kann dem Fahrzeug beziehungsweise Elektrofahrzeug beispielsweise über eine Internetverbindung übermittelt werden. Zusätzlich können diese übermittelten Informationen auf einem Display im Fahrzeuginnenraum des Fahrzeugs angezeigt werden. Somit kann das Fahrzeug Informationen zu Ladestationen in der vorgegebenen Umgebung des Fahrzeugs erhalten, auch wenn keine direkte Kommunikation mit der Ladestation möglich ist. Informationen über verfügbare Ladestationen sowie verfügbarer Ladeinfrastrukturen können auch mittels prädiktiver Streckendaten zur Verfügung gestellt werden und zusätzlich angezeigt werden.In a further step d), the vehicle is maneuvered into a predetermined area around the charging station. This maneuvering is preferably carried out fully autonomously or at least partially autonomously. The predetermined area around the charging station is in particular a communication area around the charging station. This is thus preferably the area within which a direct communication between the charging station and the vehicle is possible. If the vehicle is outside of this communication range, then, for example, with the aid of a communication unit assigned to the charging station, communication between the vehicle and the charging station can be made possible indirectly. For example, the communication unit may manage a plurality of charging stations within a charging area and receive corresponding requests for charging electric vehicles. The communication unit may also check the state of the charging stations and thus determine whether a suitable charging station for the electric vehicle is available. In particular, the communication unit can determine whether the charging stations assigned to it are free, reserved or assigned. This information can be transmitted to the vehicle or electric vehicle, for example via an Internet connection. In addition, these transmitted information can be displayed on a display in the vehicle interior of the vehicle. Thus, the vehicle can obtain information about charging stations in the given environment of the vehicle, even if no direct communication with the charging station is possible. Information about available charging stations and available charging infrastructures can also be provided by means of predictive route data and additionally displayed.
In einem weiteren Schritt e) wird ein Authentisierungssignal an die Ladestation übermittelt und das Fahrzeug authentifiziert. Dieser Schritt wird insbesondere dann ausgeführt, wenn das Fahrzeug den vorgegebenen Bereich um die Ladestation erreicht hat. In dieser Situation kann eine Steuereinheit des Fahrzeugs das Authentisierungssignal direkt an die Ladestation übermitteln. Eine Kontrolleinheit der Ladestation kann basierend auf dem Authentisierungssignal das Fahrzeug authentifizieren und somit überprüfen, ob das eingetroffene Fahrzeug auch jenes Fahrzeug ist, welches zuvor das Reservierungssignal übermittelt hat. Somit kann eine ungerechtfertigte Belegung der Ladestation verhindert werden.In a further step e), an authentication signal is transmitted to the charging station and the vehicle is authenticated. This step is carried out in particular when the vehicle has reached the predetermined area around the charging station. In this situation, a control unit of the vehicle can transmit the authentication signal directly to the charging station. A control unit of the charging station can authenticate the vehicle based on the authentication signal and thus check whether the arrived vehicle is also the vehicle that has previously transmitted the reservation signal. Thus, an unjustified occupancy of the charging station can be prevented.
In einem weiteren Schritt f) wird das Fahrzeug gegenüber der Ladestation in Abhängigkeit von dem Authentifizieren des Fahrzeugs mit Hilfe von Positionierungssignalen ausgerichtet. Die Positionierungssignale werden dabei zwischen dem Fahrzeug und der Ladestation ausgetauscht, um die Batterie des Fahrzeugs zu laden.In a further step f), the vehicle is aligned with respect to the charging station in dependence on the authentication of the vehicle by means of positioning signals. The positioning signals are thereby exchanged between the vehicle and the charging station to charge the battery of the vehicle.
Die Erfindung betrifft auch ein Lademanagementsystem mit einem zumindest teilweise autonomen Fahrzeug, welches eine Batterie aufweist. Die Batterie ist dabei ausgebildet, das Fahrzeug anzutreiben. Das Lademanagementsystem weist mindestens eine Ladestation in einer vorgegebenen Umgebung des Fahrzeugs auf. Zudem weist das Lademanagementsystem je eine Sende- und Empfangseinheit am Fahrzeug und an der Ladestation auf. Das Lademanagementsystem umfasst ferner eine Steuereinheit, die ausgebildet ist, einen Ladebedarf der Batterie zu signalisieren, wenn ein Ladezustand der Batterie eine vorgegebene Schwelle unterschreitet und das Fahrzeug zumindest in Abhängigkeit von einem durch einen Fahrzeugnutzer veranlassten Bestätigungssignal betreffenden Ladebedarf zu einem vorgegebenen Bereich um die Ladestation zu manövrieren, um das Fahrzeug aufzuladen. Die zu dem Verfahren genannten Vorteile und Beispiele gelten sinngemäß für das Lademanagementsystem und umgekehrt.The invention also relates to a charging management system having an at least partially autonomous vehicle having a battery. The battery is configured to drive the vehicle. The charging management system has at least one charging station in a predetermined environment of the vehicle. In addition, the charging management system each has a transmitting and receiving unit on the vehicle and on the charging station. The charging management system further comprises a control unit, which is configured to signal a charging requirement of the battery when a charge state of the battery falls below a predetermined threshold and the vehicle at least in response to a vehicle user initiated confirmation signal charging requirement to a predetermined area around the charging station maneuver to charge the vehicle. The advantages and examples mentioned for the method apply mutatis mutandis to the charging management system and vice versa.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung. Die vorstehend in der Beschreibung genannten Merkmale und Merkmalskombinationen sowie die nachfolgend in der Figurenbeschreibung genannten und/oder in der einzigen Figur alleine gezeigten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar, ohne den Rahmen der Erfindung zu verlassen.Further advantages, features and details of the invention will become apparent from the following description of preferred embodiments and from the drawing. The features and feature combinations mentioned above in the description as well as the features and feature combinations mentioned below in the figure description and / or alone in the single figure can be used not only in the respectively indicated combination but also in other combinations or alone, without the frame to leave the invention.
Die Erfindung wird nun anhand der beigefügten einzigen Fig. näher erläutert. Dabei ist zu beachten, dass die einzige Fig. lediglich eine mögliche vorteilhafte Ausführungsform beschreibt, ohne dabei die Erfindung zu beschränken.The invention will now be explained in more detail with reference to the accompanying single FIG. It should be noted that the only Fig. Describes only one possible advantageous embodiment, without limiting the invention.
Die einzige Fig. ist in sechs Abschnitte aufgeteilt. Jeder Abschnitt ist mit einer arabischen eingekreisten Ziffer entsprechend markiert. Der Abschnitt
Vorzugsweise kann die Steuereinheit
Diese Situation ist im Abschnitt
Nach dem Übermitteln des Reservierungssignals durch das Fahrzeug
Im Abschnitt
Die in der einzigen Fig. dargestellte Kommunikation kann dabei direkt zwischen der Ladestation
Im Abschnitt
Nach einer erfolgreichen Authentifizierung tauschen die Ladestation
Der Abschnitt
Eine vorteilhafte Weiterbildung des Verfahrens sieht vor, dass nach dem Ausrichten des Fahrzeugs
Das in der einzigen Figur dargestellte Manövrieren des Fahrzeugs
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1010
- Fahrzeugvehicle
- 1212
- Batteriebattery
- 1414
- Sende-EmpfangseinheitTransceiver unit
- 1616
- Ladestationcharging station
- 1717
- Steuereinheitcontrol unit
- 1818
- Listelist
- 1919
- LademanagmentsystemCharging Management System
- 11
- Abschnittsection
- 22
- Abschnittsection
- 33
- Abschnittsection
- 44
- Abschnittsection
- 55
- Abschnittsection
- 66
- Abschnittsection
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES 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 of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- US 9925886 B2 [0003]US 9925886 B2 [0003]
- DE 102015218410 A1 [0004]DE 102015218410 A1 [0004]
Claims (5)
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DE102019002450.8A DE102019002450A1 (en) | 2019-04-03 | 2019-04-03 | Method for charging a battery of at least partially autonomous vehicles and corresponding charging management system |
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DE102019002450.8A DE102019002450A1 (en) | 2019-04-03 | 2019-04-03 | Method for charging a battery of at least partially autonomous vehicles and corresponding charging management system |
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DE102019002450A1 true DE102019002450A1 (en) | 2019-11-14 |
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Cited By (1)
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WO2023061418A1 (en) * | 2021-10-12 | 2023-04-20 | 奥动新能源汽车科技有限公司 | Battery swapping control method and system, battery-swapping platform, vehicle to be subjected to battery swapping, and storage medium |
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2019
- 2019-04-03 DE DE102019002450.8A patent/DE102019002450A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023061418A1 (en) * | 2021-10-12 | 2023-04-20 | 奥动新能源汽车科技有限公司 | Battery swapping control method and system, battery-swapping platform, vehicle to be subjected to battery swapping, and storage medium |
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