WO2024258094A1 - 지원 공급자 목록 기반 부가 가치 서비스를 위한 통신 방법 및 이를 이용하는 장치 - Google Patents
지원 공급자 목록 기반 부가 가치 서비스를 위한 통신 방법 및 이를 이용하는 장치 Download PDFInfo
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- WO2024258094A1 WO2024258094A1 PCT/KR2024/007458 KR2024007458W WO2024258094A1 WO 2024258094 A1 WO2024258094 A1 WO 2024258094A1 KR 2024007458 W KR2024007458 W KR 2024007458W WO 2024258094 A1 WO2024258094 A1 WO 2024258094A1
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- 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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- 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
- 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
- B60L53/30—Constructional details of charging stations
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- 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
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
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- 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
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
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- 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
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
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- 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
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
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- 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
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/68—Off-site monitoring or control, e.g. remote control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
- H04L9/3265—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements using certificate chains, trees or paths; Hierarchical trust model
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- 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
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/84—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
- 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
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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
- 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
Definitions
- the present invention relates to vehicle-to-grid (V2G) communication technology, and more specifically, to a communication method for establishing an environment for a new value added service (VAS) so that a legacy charger supporting charging services for road vehicles such as electric vehicles (EVs) can provide a supported providers list (SPL) to EVs in V2G communication, and a device using the same.
- V2G vehicle-to-grid
- VAS new value added service
- EVs electric vehicles
- SPL supported providers list
- the message sequence between the grid and the electric vehicle (EV) is predefined between the charger management device or supply equipment communication controller (SECC) of the charge point operator (CPO) located on the grid side and the electric vehicle communication controller (EVCC) mounted on the EV, and is exchanged in the form of pairs of request messages and response messages.
- SECC charger management device or supply equipment communication controller
- CPO charge point operator
- EVCC electric vehicle communication controller
- EVs typically charge their high-voltage batteries using AC charging or DC charging, or by using an automatic connection device (ACD) or wireless power transfer (WPT).
- ACD automatic connection device
- WPT wireless power transfer
- SECC which controls EV charging in some existing chargers, supports a feature called supported provider list (or supported providers list, SPL).
- SPL allows EVs to check the list of AuthorizationSetupRes messages of e-mobility service providers (eMSPs), and also allows EVs to check the compatibility of chargers with PnC (park and charge or plug and charge) and select the appropriate contract certificate issued by the preferred eMSP.
- eMSPs e-mobility service providers
- the present invention has been made to meet the needs of the prior art as described above, and an object of the present invention is to provide a communication method for a dedicated value added service (VAS) that provides a supported providers list (SPL) from a charger to an electric vehicle (EV), and a device using the same, while maintaining interoperability with legacy chargers that do not support the SPL function, such as electric vehicle charging related devices specified in the ISO 15118-2 document.
- VAS dedicated value added service
- SPL supported providers list
- EV electric vehicle
- Another object of the present invention is to provide a communication method for a dedicated VAS providing SPL information while maintaining interoperability with existing legacy chargers, and a device using the same.
- a communication method for a value added service (VAS) by a supply equipment communication controller (SECC) in V2G (vehicle to grid) communication comprises the steps of: receiving a request message for a service list of a charging service from an electric vehicle (EV); providing a service list including a first service identifier of a dedicated VAS for providing a list of support providers for an e-mobility service provider (EMSP) to the EV; receiving a request message for parameters of the dedicated VAS from the EV; and providing at least one service parameter set for a list of support providers supporting the dedicated VAS to the EV.
- EV electric vehicle
- EMP e-mobility service provider
- Each of the above supplier identifiers may be composed of a country code of an E-mobility authentication identifier (EMAID) and a supplier ID.
- EMAID E-mobility authentication identifier
- Each of the above supplier identifiers may be composed of a country code and a supplier ID, which are five characters in front of an E-mobility authentication identifier (EMAID).
- EMAID E-mobility authentication identifier
- SPL providers list
- VAS value added services
- additional additional service communication that must be executed subsequently may not be required.
- EV may not be required to select an additional service during the service selection process, thereby ensuring user selectivity or user convenience.
- Figure 1 is an exemplary diagram for explaining an electric vehicle charging method that can employ a communication method according to the present invention.
- FIG. 2 is an exemplary diagram illustrating another electric vehicle charging method that can employ the communication method according to the present invention.
- FIG. 4 is a flowchart illustrating a detailed procedure of a communication method for a value-added service based on a support provider list according to one embodiment of the present invention.
- Figure 5 is an example diagram of the configuration of a list of suppliers that can be employed in the communication method of Figure 4.
- FIG. 8 is an example diagram for explaining details of a service list in a message for implementing a value-added service that can be employed in the communication method of FIG. 7.
- Figure 9 is an example diagram for explaining the interoperability effect by the communication method of Figure 7.
- FIG. 10 is a schematic block diagram showing a generalized hardware configuration of a device providing a Supported Providers List of value-added services (VAS) according to another embodiment of the present invention.
- VAS value-added services
- first, second, A, B, etc. may be used to describe various components, the components should not be limited by the terms. The terms are only used to distinguish one component from another.
- first component could be referred to as the second component, and similarly, the second component could also be referred to as the first component.
- the term "and/or" includes any combination of a plurality of related listed items or any item among a plurality of related listed items.
- Smart Grid' can refer to a system implemented in which power plants, power generation units, and energy storage systems are all connected in an intelligent manner through network facilities and can exchange messages based on information and communication technology.
- a 'charging station' may refer to a facility that includes one or more EV Supply Equipment (EVSE), smart meters, and other technical equipment required to charge an electric vehicle (EV).
- EVSE EV Supply Equipment
- smart meters smart meters
- EV electric vehicle
- EV Electric Vehicle
- An EV may refer to an automobile as defined in 49 CFR (code of federal regulations) 523.3, etc.
- An EV may be powered by electricity supplied by an on-board energy storage device, such as a battery, that is highway capable and rechargeable from an external power source.
- Power sources may include a residential or public electric service, or a generator that uses fuel on board the vehicle.
- an EV may be referred to as an electric car, an electric automobile, an electric road vehicle (ERV), a plug-in vehicle (PV), an xEV, etc.
- an xEV may be referred to or distinguished as a plug-in all-electric vehicle (BEV), a plug-in electric vehicle (PEV), a hybrid electric vehicle (HEV), a hybrid plug-in electric vehicle (HPEV), a plug-in hybrid electric vehicle (PHEV), etc.
- a plug-in electric vehicle (PEV) can refer to an electric vehicle that can be connected to the power grid to recharge its onboard primary battery.
- 'EVSE (EV Supply Equipment) is a device that forms part of a charging station that supplies energy to electric vehicles via an outlet, and can refer to a device that is connected to a smart meter to measure energy.
- WCS Wireless power charging system
- WPT Wireless power transfer
- a 'utility' is a set of systems that provide electrical energy and typically include a Customer Information System (CIS), Advanced Metering Infrastructure (AMI), and Rates and Revenue systems.
- CIS Customer Information System
- AMI Advanced Metering Infrastructure
- CIS Customer Information System
- AMI Advanced Metering Infrastructure
- Rates and Revenue systems The utility makes energy available to plug-in electric vehicles through price tags or discrete events.
- the utility may also provide information on tariffs, intervals for metered electricity consumption, and qualification of electric vehicle programs for plug-in electric vehicles.
- Smart charging' can refer to a system where EVSE and/or plug-in electric vehicles communicate with the power grid to optimize the vehicle's charge or discharge rate based on grid capacity or time-of-use cost ratio.
- Interoperability' can refer to a state in which components of a system relative to each other can work together to perform the intended operation of the entire system.
- Information interoperability can refer to the ability of two or more networks, systems, devices, applications, or components to share information safely and effectively and easily with little or no inconvenience to users.
- An 'inductive charging system' may refer to a system that electromagnetically transfers energy in the forward direction from a power supply network to an electric vehicle through a transformer in which two parts are loosely coupled.
- the inductive charging system may correspond to an electric vehicle charging system.
- 'Inductive coupling' can refer to the magnetic coupling between two coils.
- the two coils can refer to the ground assembly coil and the vehicle assembly coil.
- 'OEM Olinal Equipment Manufacturer
- CA top-level certification authority
- a 'Charge Point Operator (CPO)' may refer to an entity such as a company or institution that has authority over the location of a charging station to allow physical access to the charging station, and may also refer to a communication node or entity that manages the charging station and authorizes and controls the charging process performed at individual electric vehicle power supply units (EVSE) using information and communication technology.
- a Charge Point Operator (CPO) may be a term with the same concept as a Charge Point Operator (CPO), which is an entity that manages electricity to provide requested energy transfer services.
- CSP Charge service provider
- a 'clearing house (CH)' is an entity that handles cooperation between MOs, CSPs, and CSOs, and can act as an intermediary to facilitate the approval, billing, and settlement procedures for EV charging service roaming, particularly between two settlement or clearing parties.
- 'Roaming' can refer to the information exchange and related provisions and schemes that enable EV users to access charging services provided by multiple CSPs or CSOs belonging to multiple mobility networks using a single credential and contract.
- a 'credential' is a physical or digital asset that represents the personal information of an EV or EV owner, and may include cryptographic information such as a password used to verify identity, a public key/private key pair used in a public key cryptography algorithm, a public key certificate issued by a certification authority, and information related to a trusted root certification authority.
- a 'certificate' can refer to an electronic document that binds a public key to an ID through a digital signature.
- PnC 'Plug and Charge
- Park and Charge' may refer to a process in which authentication, authorization, load control, and payment are automatically performed without any additional user interaction when a user simply plugs an electric vehicle into an electric vehicle power supply.
- PnC may refer to an identification and authorization mode for such an automatic process.
- PnC may be performed by applying X.509 certificates and verifying and transmitting a signature.
- PKI Public Key Infrastructure
- PKI can refer to a system for creating, storing, redistributing, and revoking digital signatures that are used to verify that a specific public key belongs to a specific person or entity.
- EIM External Identification Means
- Examples include cash payment, prepaid cards, credit cards, debit cards, NFC, RFID, and SMS.
- EIM can form two authentication modes together with PnC.
- 'Sales Tariff' may refer to a function that provides price-related information over time. Specifically, it may refer to an input provided by a mobility operator and given to the EVCC (EV Communication Controller) side to calculate the charging schedule.
- the sales tariff may be a concept intended to provide incentives to electric vehicles that charge within a specific time slot for a preferred amount of electricity.
- a use case related to the sales tariff may be price information for electricity provided by a mobility operator that authenticates a charging session by a valid contract, where the contract may be authenticated by the driver himself or the car sharing operator to which the vehicle belongs by a contract certificate installed in the electric vehicle.
- the term 'sales rate' may refer to a concept intended to encourage the use of renewable energy such as solar panels or wind turbines by providing incentives to electric vehicles that charge during predictable times, such as charging using renewable energy.
- the sales rate may include not only the price information of electricity but also the time slot associated with that price information.
- a 'Secondary Actor' may refer to any party involved in the charging process that is not an EVCC or SECC.
- a secondary actor may be involved in the charging process by providing information related to the charging process. Examples of secondary actors include a Charge Point Operator (CPO) and a Mobility Operator (MO).
- CPO Charge Point Operator
- MO Mobility Operator
- the 'e-Mobility Authentication Identifier (EMAID)' can refer to a single contractual certificate issued for each legal contract concluded between a mobility operator and a customer for electric vehicle charging.
- EMAID can allow for the pseudonymization of personal data and can only be valid for a limited time, such as the lifetime of the legal contract.
- EMAID may not allow for long-term evaluation of customer or vehicle data.
- EMAID can be introduced as a temporary identifier that can be assigned using different authentication media for temporary and short-term single contracts, such as family vehicles or car sharing contracts, and one person can have an EMAID for each of multiple contracts, so that it can be used for purposes other than personal identification information.
- the ISO 15118 standard is characterized by the fact that it is intended to establish and implement charging and payment processes for electric vehicles, and another feature is that it can adopt and utilize various information and communication technologies for this purpose. That is, although it includes information and communication technology elements mapped to the OSI 7 layers, the purpose is to establish charging and payment processes for electric vehicles, so application-related features can be primarily addressed.
- the V2G communication interface specified in the ISO 15118 standard may include digital, IP-based protocols.
- communication between electric vehicles (EVs) and electric vehicle power supply equipment (EVSEs) and communication between electric vehicle power supply equipment (EVCCs) and power supply equipment communication controllers (SECCs) may be included in the communication interface specified in the ISO 15118 standard.
- EVs electric vehicles
- EVSEs electric vehicle power supply equipment
- SECCs power supply equipment communication controllers
- the V2G communication interface and the ISO 15118 standard may be intended to enable user-friendly mechanisms to perform authentication, authorization, and payment without requiring separate user interaction at the charging station.
- Electric vehicles can be integrated into the smart grid to provide flexible load control and valuable grid services without compromising driver habits.
- the energy of electric vehicles can be considered as one of the energy sources in the smart grid.
- a method of providing appropriate incentives to electric vehicles so that the smart grid can induce the expansion of renewable energy in the long term can also be considered to activate the smart grid.
- V2GTP Vehicle-to-Grid Transfer Protocol
- the OSI 5 layer can be basically understood as a session wrapper for application layer messages.
- the application layer messages at this time can be referred to as so-called V2G messages.
- the V2GTP protocol can include header and payload definitions that enable efficient classification and processing of V2G messages.
- an electric vehicle is connected to a charging station via a wired or wireless link, receives energy from the charging station, and can charge an energy storage device, such as a battery, with the supplied energy.
- an energy storage device such as a battery
- Fig. 1 is an exemplary diagram for explaining an electric vehicle charging method that can employ a communication method according to the present invention.
- Fig. 2 is an exemplary diagram for explaining another electric vehicle charging method that can employ a communication method according to the present invention. That is, Figs. 1 and 2 show methods for charging an electric vehicle wiredly and wirelessly, respectively.
- Figure 1 is a conceptual diagram for explaining an electric vehicle wired charging method to which the communication method of the present invention can be applied.
- wired charging of an electric vehicle can be performed by connecting an electric vehicle (10, hereinafter referred to as 'EV') to a power supply circuit of a charging station via a charging cable (30), for example, by connecting a connector (31) of one end of a cable of a charging station (see 20 of FIG. 2) to an inlet of the EV (10).
- EV (10) can be defined as a vehicle (automobile) that supplies power supplied from a rechargeable energy storage device such as a battery as an energy source for an electric motor as a power source.
- the EV (10) may be a hybrid vehicle having both an electric motor and a general internal combustion engine.
- the aforementioned EV (10) may be replaced by an entity having any one form of mobility, such as an automobile, a motorcycle, a cart, a scooter, or an electric bicycle.
- an entity having any one form of mobility such as an automobile, a motorcycle, a cart, a scooter, or an electric bicycle.
- the present specification will focus on EV.
- the EV (10) may be equipped with an inlet, a plug connector, a receptacle, etc. that can be connected to a connector (31) of a charging cable (30).
- the inlet equipped in the EV (10) may support slow charging or fast charging.
- the EV (10) may support both slow charging and fast charging through one inlet, or may be equipped with multiple inlets, each of which supports slow charging and fast charging.
- the EV (10) of the present embodiment may include an onboard charger to support slow charging or charging via AC power supplied from a general power grid.
- the onboard charger may boost AC power supplied externally via a wire during slow charging, convert it into DC power, and supply it to a battery built into the EV (10). Meanwhile, when DC power for rapid charging is supplied to the inlet, the DC power may be supplied directly to the battery without going through the onboard charger to charge the battery.
- the EV charging cable (30) may be configured to include a charging connector (31), a socket-outlet connection portion (33), and an in-cable control box (ICCB) (32).
- the charging connector (31) may be a coupler that can be electrically connected to the EV (10), and the in-cable control box (32) may communicate with the EV (10) to receive status information of the EV or control power charging to the EV (10).
- the in-cable control box (32) is illustrated as being included in the EV charging cable (10), but may be connected to a power supply circuit (not illustrated) that supplies power to the EV (10) at a location other than the EV charging cable (10), for example, at a charging station, or may be arranged within the power supply circuit.
- the socket-outlet connection portion (33) may be coupled to a socket-outlet (40) of the charging station as an electrical connection device such as a plug or connector.
- the socket-outlet (40) may mean a connection point between a power supply device of a charging station or a charger and an EV charging cable (30).
- the socket-outlet (40) may also mean a connection point between a charger installed in another location and an EV charging cable (30).
- the socket-outlet (40) may be installed in a charging facility such as a parking lot attached to the home of an EV (10) owner, a parking area allocated for EV charging at a gas station, a parking area at a shopping center or workplace, etc., in addition to a commercial professional charging station facility.
- FIG. 2 is a conceptual diagram for explaining an electric vehicle wireless power transmission method to which the communication method of the present invention can be applied.
- wireless power transfer (WPT) for EVs can be defined as transferring electric energy from a supply network from a supply-side device to a consumer-side device through a magnetic field in a magnetic resonance state without current flow through a galvanic connection.
- Wireless power transfer can be utilized to charge an EV (10) by transferring power from a charging station (10) to the EV (10).
- Wireless power transfer can be performed by at least one component of an EV (10) and a charging station (20) to wirelessly transfer power to the EV (10).
- the EV (10) may include a receiving pad (11) having a receiving coil for wirelessly receiving magnetic energy from a charging station (20).
- the receiving coil in the receiving pad (11) receives magnetic energy from a transmitting coil of a transmitting pad (21) in the charging station (20), for example, by magnetic resonance.
- the magnetic energy received in the EV (10) is converted into an induced current, and the induced current is rectified into a direct current to charge the battery (12).
- the charging station (20) can receive power from a commercial power grid (power grid, 50) or a power backbone, and supply energy to the EV (10) through the transmission pad (21).
- the transmission pad (21) has a transmission coil.
- the transmission coil in the transmission pad (21) can generate magnetic flux and supply magnetic energy amplified by magnetic resonance to the EV (10).
- the charging station (20) can be located in various places, such as a parking lot attached to the house of an EV (10) owner, a parking area for EV charging at a gas station, a parking area of a shopping center or office building, etc.
- the charging station (20) can communicate with a power infrastructure management system or an infrastructure server that manages a power grid (50) through wired or wireless communication.
- the charging station (20) can also perform wireless communication with an EV (10).
- the wireless communication can include a wireless local area network (WLAN) based on WiFi according to the IEEE 802.11 protocol, and can further include peer-to-peer signal (P2PS) communication using a low frequency (LF) magnetic field signal and/or a low power excitation (LPE) magnetic field signal.
- the wireless communication between the charging station (20) and the EV (10) can include one or more of various communication methods such as Bluetooth, Zigbee, and cellular.
- a communication standard document for electric vehicle charging EVs and EV charging stations control the entire charging process by exchanging messages.
- communication for electric vehicle charging can be done via wireless LAN between the Electric Vehicle Communication Controller (EVCC) and the Supply Equipment Communication Controller (SECC).
- EVCC Electric Vehicle Communication Controller
- SECC Supply Equipment Communication Controller
- the EV (10) can first verify the identity of the charging station (20) to determine whether the charging station (20) is a trustworthy facility, and establish a secure channel with the charging station (20) to protect the communication from unauthorized access. This goal can be achieved by the existing Transport Layer Security (TLS).
- TLS Transport Layer Security
- the TLS session can be established by the TLS handshake procedure after the IP-based communication connection establishment procedure.
- FIG. 3 is a schematic block diagram for explaining a communication relationship between an electric vehicle communication controller (EVCC), a supply equipment communication controller (SECC), and a secondary actor (SA) that can employ a communication method according to the present invention.
- EVCC electric vehicle communication controller
- SECC supply equipment communication controller
- SA secondary actor
- an EVCC (100) mounted on an electric vehicle (EV, 10) can communicate with a SECC (200) located at a charging station (10).
- the SECC (200) can define and use a message according to a protocol or method defined for communication between itself and the SA (300).
- the SA (300) can include a mobility service provider (eMSP), which is a mobility charging service provider.
- eMSP mobility service provider
- eMSP means a legal entity, agency, or server or entity that performs a corresponding function with which a customer has entered into a contract for all services related to energy transfer to an EV (10).
- an eMSP includes some other actors such as spot suppliers of electricity or power suppliers, and may have close relationships with distribution system operators and meter operators. OEMs or utilities may also perform this eMSP role.
- an eMSP may verify an EMAID from a customer received from an e-Mobility operator clearing house (EMOCH), another eMSP, or a spot supplier associated with the customer. For this purpose, an eMSP may issue an EMAID to a customer, such as an EV owner.
- EOCH e-Mobility operator clearing house
- the EVCC (100) may establish a separate TLS session for each value added service (VAS) provided or supported by the SECC.
- VAS value added service
- Each VAS may be provided through a dedicated port on the SECC.
- the firewall running on the SECC (200) may be configured to allow access to the dedicated VAS ports.
- Additional communication channels to the VAS can be opened using full handshake TLS or resumed TLS.
- Resumption can be handled based on the TLS context exchanged in the V2G session, i.e. the ticket.
- TLS session resumption can be performed using a pre-existing mechanism.
- SECC (200) can be configured to issue TLS session tickets for each VAS provided to EVCC (100).
- SECC (200) can provide TCP level forwarding. This forwarding can be mapped to a fixed external URI for the local VAS, a proxy server, or a local host.
- the proxy server can provide the existing HTTP CONNECT method. If UDP based VAS is required, the approach using session resumption can be used with OpenVPN. And, for end-to-end secure communication via fixed external URI, EVCC (100) and target VAS server can negotiate separate secure connections, such as separate TLS sessions.
- the EVCC (100) may accept the certificate only if the certificate chain is successfully verified using an out-of-band validation mechanism.
- the out-of-band validation mechanism may include a server-based certificate validation protocol (SCVP). If validation using the service is not performed, returns a negative result, or fails (e.g., due to a missed connection), the EVCC (100) may treat the certificate chain as unvalidated.
- SCVP server-based certificate validation protocol
- EV (10) refers to a typical car owned by an EV owner, and can be charged wired or wirelessly at a charging station (10).
- An OEM provisioning certificate is installed in the EV (10) during a unique manufacturing process. Then, when a vehicle purchase contract and a contract with a mobility operator (MO) are completed, a contract certificate can be installed in the EV (10).
- a vehicle-to-ground (V2G) root certificate can be installed in the EV (10).
- the Original Equipment Manufacturer (OEM) server (hereinafter referred to as 'OEM') is the top-level certification authority (CA) that issues the OEM root certificate and can operate its subordinate certification authority (OEM SubCA).
- CA top-level certification authority
- OEM SubCA subordinate certification authority
- the OEM can use the OEM intermediate chain certificate (OEM SubCA cert.) to generate an OEM provisioning certificate and install it on the EV (10).
- a mobility operator is a service provider that has a contractual relationship with an EV owner regarding charging, authorization, and payment so that the EV (10) can charge the EV at the charging station.
- the MO may be operated by an electricity supplier that sells energy or an electricity wholesaler.
- the MO also acts as a top-level certificate authority (CA) that issues an MO root certificate.
- CA top-level certificate authority
- the MO certificate chain can also be used to verify a contract certificate installed in the EV (10) in a non-roaming environment or a roaming environment.
- the MO may be referred to as an 'E-mobility service provider (EMSP)'.
- the certificate provisioning service provides a contract certificate chain and encryption keys used for sending and receiving certificates to a client such as EV (10) during the process of installing or updating a contract certificate in an EV.
- the CPS may be equipped with a leaf provisioning certificate (Leaf Prov cert.) and a provisioning intermediate certificate (Prov SubCA).
- Leaf provisioning certificate Leaf Prov cert.
- Prov SubCA provisioning intermediate certificate
- the CPS provides a provisioning service that provides the public key of each MO, a Diffie-Hellman (DH) public key, and a mobility authentication identifier (eMAID or EMAID) along with the contract certificate chain, thereby allowing the EV (10) to verify the contract certificate chain and confirm the integrity and reliability of the contract certificate.
- DH Diffie-Hellman
- EMAID mobility authentication identifier
- the Contract Certificate Pool temporarily stores response messages for installation or update during the process of installing or updating a contract certificate in an EV (10).
- the response messages may be stored in the CCP in advance and maintained until the installation or update is completely completed. Since there may be multiple EVs (10) on which contract certificates are installed or updated, the response messages may be maintained in the form of a directory after a reference number is added.
- the V2G server can act as a top-level certification authority in relation to the public key infrastructure (PKI) in the EV charging infrastructure. Therefore, the V2G server acts as a top-level trust anchor, and all secondary actors (300) consider the V2G root CA as a trustworthy organization.
- PKI public key infrastructure
- the charging station (20) actually performs the charging for the EV (10).
- the charging station (20) may have at least one wired charger and/or a wireless charging spot.
- the charging station (20) may be installed at one or more commercial professional charging facilities.
- the charging station (20) may also be located in a variety of locations, such as a parking lot attached to an EV owner's home, a parking space for EV charging at a gas station, a parking space at a shopping center or workplace, etc.
- the charging station (20) may include or be referred to as a 'charging point', an 'EV charging station', an 'electric charging point', a 'charging point', an 'electronic charging station (ECS)', or an 'EV power supply equipment (EVSE)'.
- ECS electronic charging station
- EVSE 'EV power supply equipment
- a Charge Service Provider manages and authenticates the credentials of EV owners, and provides billing and other value-added services to customers.
- a CSP can be considered a special type of MO, and can also be implemented in a form integrated with an MO.
- An EV (10) can receive charging services in a PnC manner from a CSO associated with a CSP associated with an MO with which it has a contractual relationship, but roaming is required when charging is desired at another CSO.
- Each CSP can exchange information with other CSPs or CSOs in other networks for roaming, and can also exchange information with a clearing house.
- a clearing house handles the coordination between at least one MO and at least one CSP.
- a clearing house can act as an intermediary to facilitate the authorization, billing, and settlement procedures for EV charging service roaming between two settlement or settlement parties.
- the CH can be connected by the CSO or CSP to facilitate roaming.
- the CH enables the CSO or CSP to enter into a contract with the MO and transmit authorization and billing data (CDR) to the MO.
- CDR authorization and billing data
- the CH may also be referred to as a 'Contract clearing house (CCH),' a 'Mobility clearing house (MCH),' a 'roaming platform,' or an 'E-MObility clearing house (E-MOCH).
- CCH 'Contract clearing house
- MCH 'Mobility clearing house
- E-MOCH 'E-MObility clearing house
- CSO Charging Service Operator
- CPS 'Certificate Provisioning Service
- MO 'Mobility Operator
- CCH 'Contract Clearing House
- 'V2G' may seem to refer to a person or an organization of people, but in this specification, including the claims, these expressions are implemented as hardware, software, and/or a combination thereof, and are given short and functional names for readability.
- these components may be a server device implemented as a combination of hardware and software and allowing access from other devices via a network such as the Internet. Since these components are functionally separate, two or more of them may be stored and executed in a single physical device and integrated into a single program.
- a single entity may combine the roles of a CSO and a CSP, and another single entity may combine the roles of a CPS and a CCP.
- one or more of the above components may be reorganized to have different appearances and names.
- EV charging services and related infrastructure are fields where various industries such as automobiles, power grids, energy, transportation, communications, finance, and electronics are integrated, and not only have standardization efforts been carried out in parallel from various perspectives, but standardization has also been carried out separately from standardization in multiple international standardization organizations, so there are many terms with similar concepts.
- a charging station operator CSO
- CPO charging point operator
- CSP charging service provider
- MO mobility operator
- PKI public key infrastructure
- FIG. 4 is a flowchart for explaining a detailed procedure of a communication method for a value-added service based on a support provider list according to an embodiment of the present invention.
- FIG. 5 is an exemplary diagram for the configuration of a provider list that can be employed in the communication method of FIG. 4.
- FIG. 6 is a diagram showing the configuration of a mobility authentication identifier for explaining the configuration of each provider identifier in the provider list of FIG. 5.
- EVCC (100) and SECC (200) are connected via TCP/TLS (S410)
- EVCC (100) can request a service list from SECC (200) via a service discovery request message (S420). That is, SECC (200) can receive a request message for a service list of electric vehicle charging services from EVCC (100).
- SECC (200) can reply or provide a list of value-added services (VAS) including service identifier information, for example, where the service identifier (ServiceID) is 100, to EVCC (100) through a Service Discovery Response (ServiceDiscoveryRes) message (S430).
- VAS value-added services
- ServiceID service identifier
- ServiceDiscoveryRes Service Discovery Response
- a service identifier having a specific value such as 100 may be referred to as a first service identifier. That is, EVCC (100) can receive a service list of VAS including the first service identifier from SECC (200).
- the service discovery response message may include, as a service element, a service name expressing a list of supported providers, a service category expressing information about an electric vehicle power supply unit (EVSE), and the like, together with information about a first service identifier.
- the service discovery response message may further include a service element indicating a free service, such as True or False.
- EVCC (100) can request parameters for the first service identifier from SECC (200) through a Service Detail Request (ServiceDetailReq) message (S440). That is, SECC (200) can receive a request message for parameters for the first service identifier from EVCC (100).
- ServiceDetailReq Service Detail Request
- SECC (200) can reply or provide as many service parameter sets as the number of supported providers to EVCC (100) through a Service Detail Response (ServiceDetailRes) message (S450). That is, EVCC (100) can receive as many service parameter sets as the number of supported providers from SECC (200).
- ServiceDetailRes Service Detail Response
- a service parameter set may include a service parameter list (Service Parameter List, SPL).
- the service parameter list may have a string value or string form in which provider identifiers (provider's identifiers, 510, 520) in which parameter names designate charging service providers are sequentially arranged.
- provider identifiers provider's identifiers, 510, 520
- parameter names designate charging service providers are sequentially arranged.
- each of the provider identifiers (510, 520) forming the string form may be separated from each other by a comma (comma, 530).
- each of the provider identifiers may be composed of a country code and a provider identifier (provider ID), which are five characters in order from the beginning to the fifth character of the E-mobility authentication identifier (EMAID).
- the EMAID is composed of a country code ( ⁇ country code>) (610) expressed by two characters, a provider identifier ( ⁇ provider ID>) (620) expressed by three characters, an eMA instance ( ⁇ eMA Instance>) expressed by a predetermined number of characters, numbers, bits, etc., and a check digit ( ⁇ check digit>) expressed by a predetermined number of characters, numbers, bits, etc., which are listed consecutively without gaps.
- EVCC (100) can transmit a Payment Service Selection Request message to SECC (200) (S460). Then, EVCC (100) can receive a Payment Service Selection Response message from SECC (200) (S470).
- EVCC (100) can transmit a Payment Detail Request message to SECC (200) (S480). Then, EVCC (100) can receive a Payment Detail Response message from SECC (200) (S470).
- EVCC (100) can transmit a contract certificate chain with a mobility account identifier (EMAID) supported by the supplier list of SECC (200) to SECC (200) through a payment detail request message.
- the contract certificate chain can include a contract signature certificate chain (ContractSignatureCertChain).
- the contract signature certificate chain includes a contract certificate and optionally includes subordinate certificates.
- Message elements for these PnCs may only be provided when parameters are required and change the normal operation. Message elements provided may be processed to overwrite the corresponding existing information or other information.
- SECC (200) supports the SPL function, it can provide a dedicated VAS in the service discovery response (ServiceDiscoveryRes) message. Also, if EV (10) wants to use the SPL function, it can send a service detail request (ServiceDetailReq) message together with the service identifier assigned to the dedicated VAS described above. Then, SECC (200) can reply to EV (10) through the service detail response (ServiceDetailRes) message a parameter indicating a list of supported providers. The number of supported providers included in SPL can be unlimited.
- EV (10) can check whether there is a contract certificate of one of the support providers. If there is a contract certificate of the support provider, EV (10) can authorize the support provider using the supported contract certificate. On the other hand, if there is no supported contract certificate, EV (10) can leave the charging station (20) or repeat the attempt to access the PnC charging service.
- the EV (10) when selecting a PnC charging service for a legacy charger, the EV (10) does not need to select a specific VAS to select an appropriate contract certificate issued by a mobility service provider.
- VAS Value Added Service
- the list of support providers for this dedicated VAS can be delivered using the service parameter element of the ServiceDetailRes message. At this time, additional VAS communication may not be executed.
- the SECC can provide the electric vehicle with a list of supported providers for PnC authorization of the electric vehicle for the legacy charger for the charging service through a message having a service element in which the service identifier is set to 100 and the service name is set to the list of supported providers.
- 100 is selected as the service identifier
- the present invention is not limited to such a configuration, and may be configured to use another value less than 100 or greater than 100, which does not overlap with other service identifiers, as the service identifier.
- service parameters for the dedicated VAS described above is as shown in Table 2 below. That is, the following parameter sets can be added for the service identifier 100 described in Table 1.
- parameterSetID parameter set identifiers
- the parameter name of each parameter set can be referred to as providers or supported providers, and the list of providers can be set as a string value consisting of provider identifiers of supportable providers.
- the list of providers can have a configuration as in the above-described description with reference to FIGS. 5 and 6. That is, the list of providers can be configured as "KRHMC,FREDF,DESHL,USCHP,NLABB", etc.
- KRHMC "KR” can represent the country code of the Republic of Korea
- HMC can represent the supplier identifier of Hyundai Motor Company, respectively.
- the country code and the supplier identifier can be the same as those included in the mobility account identifier (EMAID).
- the supplier list can contain more than 255 supplier identifiers, and adjacent supplier identifiers can be separated from each other by commas.
- the SECC may process that process (e.g., parameter set generation process) to display all supported suppliers in a single list, i.e., a single parameter set, or may perform that process to display all suppliers divided into multiple lists, i.e., multiple parameter sets, based on selected criteria.
- process e.g., parameter set generation process
- Figure 7 is a flowchart for explaining a communication method according to another embodiment of the present invention.
- the SECC may receive a request message for a service list of charging services from an EV (S710).
- the request message may be a service discovery request message used in the EV charging service procedure.
- the SECC may provide the EV with a list of services including the service identifier of the dedicated VAS for providing SPL to the EMSP (S720). That is, the SECC may provide the EVCC with a list of value-added services (VAS) including the service identifier (called the 'first service identifier') for the list of support providers for the dedicated VAS via the service discovery response message.
- VAS value-added services
- the SECC may receive a message requesting parameters of a dedicated VAS from the EV, i.e., parameters for the first service identifier (S730).
- the message requesting parameters may be a service detail request message used in the EV charging service procedure.
- the SECC can generate at least one service parameter set that displays all supported providers within a supported provider list (SPL) (S740).
- SPL supported provider list
- the SECC can provide the EV with a set of service parameters for the SPL supporting the dedicated VAS (S750).
- the set of service parameters can be denoted as a set of service parameters.
- the SECC can send at least one set of service parameters to the EVCC via a service detail response message.
- the SECC can receive a contract certificate chain with a mobility account identifier (EMAID) supported by SPL from the EV (S760).
- EMAID mobility account identifier
- the SECC can receive the contract certificate chain from the EVCC through a PaymentDetailsReq message.
- ServiceDetailRes Service Detail Response
- the EV can check the list of AuthorizationSetupRes messages for mobility service providers (EMSPs). In addition, the EV can check the charger and PnC compatibility and select the contract certificate issued by the preferred EMSP appropriately.
- EMPs mobility service providers
- the present invention can support functions related to the above-described Supported Providers List without destroying interoperability with existing legacy chargers.
- a new method of delivering support provider list information to EVs as a value-added service can be provided. That is, a support provider list-based value-added service can be effectively implemented by utilizing service parameter elements of the ServiceDetailRes message used in the existing EV charging service procedure.
- additional additional service communication that must be subsequently executed for a value-added service based on a list of supported suppliers may not be required.
- the electric vehicle may not be required to select a value-added service during the service selection process, thereby maintaining a user-centered service and providing user convenience.
- FIG. 8 is an example diagram for explaining details of a service list in a message for implementing a value-added service that can be employed in the communication method of FIG. 7.
- the service discovery response (ServiceDiscoveryRes) message may include service parameter elements (810) for a dedicated VAS in the service list.
- Service parameter elements (810) may include elements for a service identifier (service ID), a service name, a service category, and a free service.
- the ServiceID element can be set to a predefined value, for example, 100.
- the ServiceName element can be set to a list of supported providers (SupportedProvidersList).
- the ServiceCategory element can be set to EVSEInformation.
- the FreeService element can be set to True or False to indicate whether the service is free.
- the SECC can provide the electric vehicle with a list of supported providers (SupportedProvidersList) through the ServiceName field in the service discovery response message for a specific service identifier such as 100 or the first service identifier.
- Figure 9 is an example diagram for explaining the interoperability effect by the communication method of Figure 7.
- a service detail response (ServiceDetailRes) message may include a service parameter list (ServiceParameterList, 910) for a dedicated VAS corresponding to a first supplier identifier.
- the SECC may provide various manufacturers/suppliers or their service parameter sets (abbreviated as 'ParameterSet') to the EV by service type through the service parameter list (910).
- the service parameter list (910) may include a first parameter set (912), a second parameter set (914), and a third parameter set (916).
- the parameter set identifier (ParameterSetID) element is set to 1, and the parameter name (Parameter Name) indicated by the provider (Providers) can be set to a string value of "KRHMC,FREDF,DESHL,".
- the parameter set identifier (ParameterSetID) element is set to 2
- the parameter name (Parameter Name) indicated by the provider (Providers) can be set to a string value of "USCHP,NLABB,".
- the parameter set identifier (ParameterSetID) element is set to 3
- the parameter names (Parameter Name) indicated by providers (Providers) can be set to a string value of other provider identifiers separated by commas and indicated by 5 characters each.
- the SECC can be configured to select a parameter set generation procedure to maintain a relatively smaller number of suppliers in one parameter set by using multiple parameter sets (ParameterSets) or to generate at least one parameter set.
- This configuration allows interoperability to be maintained without changing the schema or requirements for devices specified in the ISO 15118-2 standard.
- a message including the corresponding items can be provided between the EVCC and SECC.
- FIG. 10 is a schematic block diagram showing a generalized hardware configuration of a device providing a Supported Providers List of value-added services (VAS) according to another embodiment of the present invention.
- VAS value-added services
- the device (1000) may be mounted or coupled to an electric vehicle (EV) and may be at least a functional or component part of an EV communication controller (EVCC), and in another implementation, may be mounted or coupled to an electric vehicle supply equipment (EVSE) and may be at least a functional or component part of a power supply equipment communication controller (SECC).
- EV electric vehicle
- EVSE electric vehicle supply equipment
- SECC power supply equipment communication controller
- the device (1000) may have a processor (1010), and, depending on the implementation, may further have a memory (1020), a transceiver (1030), a storage device (1040), an input interface device (1050), and an output interface device (1060).
- a processor (1010) may further have a memory (1020), a transceiver (1030), a storage device (1040), an input interface device (1050), and an output interface device (1060).
- the components of the device (1000) may be connected to each other by a bus to exchange signals and data.
- the processor (1010) can execute program instructions or software modules stored in the memory (1020).
- the memory (1020) can store program instructions or software modules.
- the memory (1200) can include, for example, volatile memory such as RAM (random access memory) and nonvolatile memory such as ROM (read only memory).
- the memory (1020) can load program instructions stored in the storage device (1040) and provide them to the processor (1010), thereby allowing the processor (1010) to execute them.
- the processor (1010) can execute program instructions stored in the memory (1020) and/or the storage device (1040).
- the processor (1010) can include at least one central processing unit (CPU), a graphics processing unit (GPU), or other processor capable of performing the communication method according to the present invention.
- the storage device (1040) is a storage medium suitable for storing program commands and data, and may include, for example, magnetic media such as a hard disk, a floppy disk, and a magnetic tape, optical media such as a compact disk read only memory (CD-ROM) and a digital video disk (DVD), magneto-optical media such as a floptical disk, and semiconductor memory such as a flash memory or an EPROM (erasable programmable ROM) or an SSD manufactured based on these.
- magnetic media such as a hard disk, a floppy disk, and a magnetic tape
- optical media such as a compact disk read only memory (CD-ROM) and a digital video disk (DVD)
- magneto-optical media such as a floptical disk
- semiconductor memory such as a flash memory or an EPROM (erasable programmable ROM) or an SSD manufactured based on these.
- the operation of the method according to an embodiment of the present invention can be implemented as a computer-readable program or code on a computer-readable recording medium.
- the computer-readable recording medium includes all types of recording devices that store information that can be read by a computer system.
- the computer-readable recording medium can be distributed over network-connected computer systems so that the computer-readable program or code can be stored and executed in a distributed manner.
- the distributed manner can include a security-enhanced distributed manner using blockchain.
- the computer-readable recording medium may include a hardware device specially configured to store and execute program instructions, such as ROM, RAM, flash memory, etc.
- the program instructions may include not only machine language codes generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter, etc.
- the program instructions may include artificial intelligence or artificial neural networks in a broad sense.
- a block or device corresponds to a method step or a feature of a method step.
- aspects described in the context of a method may also be described as a feature of a corresponding block or item or a feature of a corresponding apparatus.
- Some or all of the method steps may be performed by (or using) a hardware device, such as, for example, a microprocessor, a programmable computer or an electronic circuit. In some embodiments, at least one or more of the most significant method steps may be performed by such a device.
- a programmable logic device such as a field-programmable gate array
- the field-programmable gate array may operate in conjunction with a microprocessor to perform one of the methods described herein.
- the methods are preferably performed by some hardware device.
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Abstract
Description
| 서비스 식별자 | 서비스 이름 | 서비스 카테고리 | 비고 |
| 0 | ISO/IEC 보유 | ||
| 1 | 직류_교류_충전 | EV 충전 | 모든 충전 서비스 |
| 2 | 인증서 | 계약 인증서 | 업데이트/설치 가능 서비스 |
| 3 | 인터넷 접속 | 인터넷 | 일반 프로토콜 |
| 4 | 유즈케이스 정보 | EVSE 정보 | 사용사례별 정보 교환 |
| 100 | 지원 공급자 목록 | EVSE 정보 | PnC 승인 공급자들 목록 |
| 60001 - 65535 | 구현 특정 용도로 예비 |
| ParameterSetID | ParameterName="Providers" | Decription |
| 1 | stringValue=<list of providers> | list of providers |
| 2 | stringValue=<list of providers> | list of providers |
| … | … | … |
Claims (20)
- V2G(vehicle to grid) 통신에서, 전력공급장치 통신 제어기(supply equipment communication controller, SECC)에 의한, 부가 가치 서비스(value added service, VAS)를 위한 통신 방법으로서,전기차(electric vehicle, EV)로부터 충전 서비스의 서비스 목록에 대한 요청 메시지를 받는 단계;모빌리티 충전서비스 공급자(e-mobility service provider, EMSP)에 대한 지원 공급자 목록을 제공하기 위한 전용 VAS의 제1 서비스 식별자를 포함한 서비스 목록을 상기 EV에 제공하는 단계;상기 EV로부터 상기 전용 VAS의 파라미터에 대한 요청 메시지를 받는 단계; 및상기 전용 VAS를 지원하는 지원 공급자 목록에 대한 적어도 하나 이상의 서비스 파라미터 셋을 상기 EV에 제공하는 단계를 포함하는, 통신 방법.
- 청구항 1에 있어서,상기 제1 서비스 식별자를 포함한 서비스 목록을 상기 EV에 제공하는 단계는, 상기 EV로 서비스 발견 응답(Service Discovery Response) 메시지를 보내는 단계를 포함하고,상기 서비스 발견 응답 메시지는 상기 제1 서비스 식별자, 상기 지원 공급자 목록을 표현하는 서비스 이름, 및 전기차 전력공급장치(EV supply equipment, EVSE) 정보를 표현하는 서비스 카테고리에 대한 서비스 엘리먼트들을 포함하는, 통신 방법.
- 청구항 2에 있어서,상기 EV로부터 상기 전용 VAS의 파라미터에 대한 요청을 받는 단계는, 상기 EV로부터 서비스 디테일 요청(Service Detail Request) 메시지를 받는 단계를 포함하고,상기 서비스 발견 응답 메시지는 무료 서비스 여부를 나타내는 서비스 엘리먼트를 더 포함하는, 통신 방법.
- 청구항 1에 있어서,상기 적어도 하나 이상의 서비스 파라미터 셋을 상기 EV에 제공하는 단계는, 상기 서비스 디테일 요청 메시지에 응답하는 서비스 디테일 응답(Service Detail Response) 메시지를 상기 EV로 보내는 단계를 포함하며,상기 적어도 하나의 서비스 파라미터 셋은, 파라미터 이름이 공급자들로 설정된 공급자 식별자들의 스트링 값을 포함하고, 여기서 상기 공급자 식별자들은 콤마(comma)로 구분되는, 통신 방법.
- 청구항 4에 있어서,상기 공급자 식별자들 각각은 모빌리티 계정 식별자(E-mobility authentication identifier, EMAID)의 국가 코드와 공급자 ID로 구성되는, 통신 방법.
- 청구항 1에 있어서,상기 지원 공급자 목록은 PnC(plug and charge/park and charge) 승인을 지원하는 공급자들의 목록을 포함하는, 통신 방법.
- 청구항 1에 있어서,상기 지원 공급자 목록 내 모든 공급자들을 표시하는 단일 서비스 파라미터 셋을 생성하는 단계, 또는상기 지원 공급자 목록 내 모든 공급자들을 기설정된 기준에 따라 분류하여 표시하는 복수의 서비스 파라미터 셋들을 생성하는 단계를 더 포함하는 통신 방법.
- 청구항 1에 있어서,상기 EV로부터 결제 디테일 요청(Payment Details Request) 메시지를 통해 상기 지원 공급자 목록에서 지원하는 모빌리티 계정 식별자(e-mobility authentication identifier, EMAID)를 가진 계약 인증서 체인을 받는 단계를 더 포함하는, 통신 방법.
- V2G(vehicle to grid) 통신에서 부가 가치 서비스(value added service, VAS)를 위한 장치로서,프로세서; 및상기 프로세서에 탑재되는 적어도 하나의 명령을 포함하고,상기 적어도 하나의 명령에 의해, 상기 프로세서는,전기차(electric vehicle, EV)로부터 충전 서비스의 서비스 목록에 대한 요청 메시지를 받는 단계;모빌리티 충전서비스 공급자(e-mobility service provider, EMSP)에 대한 지원 공급자 목록을 제공하기 위한 전용 VAS의 제1 서비스 식별자를 포함한 서비스 목록을 상기 EV에 제공하는 단계;상기 EV로부터 상기 전용 VAS의 파라미터에 대한 요청 메시지를 받는 단계; 및상기 전용 VAS를 지원하는 지원 공급자 목록에 대한 적어도 하나 이상의 서비스 파라미터 셋을 상기 EV에 제공하는 단계를 수행하는, 장치.
- 청구항 9에 있어서,상기 제1 서비스 식별자를 포함한 서비스 목록을 상기 EV에 제공하는 단계는, 상기 EV로 서비스 발견 응답(Service Discovery Response) 메시지를 보내는 단계를 포함하고,상기 서비스 발견 응답 메시지는 상기 제1 서비스 식별자, 상기 지원 공급자 목록을 표현하는 서비스 이름, 및 전기차 전력공급장치(EV supply equipment, EVSE) 정보를 표현하는 서비스 카테고리를 구비하는 서비스 엘리먼트를 포함하는, 장치.
- 청구항 10에 있어서,상기 EV로부터 상기 전용 VAS의 파라미터에 대한 요청을 받는 단계는, 상기 EV로부터 서비스 디테일 요청(Service Detail Request) 메시지를 받는 단계를 포함하고,상기 서비스 발견 응답 메시지는 무료 서비스를 나타내는 서비스 엘리먼트를 더 포함하는, 장치.
- 청구항 9에 있어서,상기 적어도 하나 이상의 서비스 파라미터 셋을 상기 EV에 제공하는 단계는, 상기 서비스 디테일 요청 메시지에 응답하는 서비스 디테일 응답(Service Detail Response) 메시지를 상기 EV로 보내는 단계를 포함하며,상기 적어도 하나의 서비스 파라미터 셋은, 파라미터 이름이 공급자들로 설정된 공급자 식별자들의 스트링 값을 포함하고, 상기 공급자 식별자들은 콤마(comma)로 구분되는, 장치.
- 청구항 12에 있어서,상기 공급자 식별자들 각각은 모빌리티 인증 식별자(E-mobility authentication identifier, EMAID)의 앞에서 5개의 문자들인 국가 코드와 공급자 ID로 구성되고,상기 지원 공급자 목록은 PnC(plug and charge/park and charge) 승인을 지원하는 공급자들의 목록을 포함하는, 장치.
- 청구항 9에 있어서,상기 프로세서는, 상기 지원 공급자 목록 내 모든 공급자들을 표시하는 단일 서비스 파라미터 셋을 생성하는 단계, 또는 상기 지원 공급자 목록 내 모든 공급자들을 기설정된 기준에 따라 분류하여 표시하는 복수의 서비스 파라미터 셋들을 생성하는 단계를 더 수행하는, 장치.
- 청구항 9에 있어서,상기 프로세서는, 상기 EV로부터 결제 디테일 요청 메시지를 통해 상기 지원 공급자 목록에 의해 지원되는 모빌리티 계정 식별자(e-mobility authentication identifier, EMAID)를 가진 계약 인증서 체인을 받는 단계를 더 수행하는, 장치.
- V2G(vehicle to grid) 통신에서, 전기차 통신 제어기(electric vehicle communication controller, EVCC)에 의한, 부가 가치 서비스(value added service, VAS)를 위한 통신 방법으로서,전력공급장치 통신 제어기(supply equipment communication controller, SECC)로 전기차(electric vehicle, EV) 충전 서비스의 서비스 목록을 요청하는 단계;모빌리티 충전서비스 공급자(e-mobility service provider, EMSP)에 대한 지원 공급자 목록을 제공하기 위한 전용 VAS의 제1 서비스 식별자를 포함한 서비스 목록을 상기 SECC로부터 받는 단계;상기 SECC로 상기 전용 VAS의 파라미터를 요청하는 단계; 및상기 SECC로부터 상기 전용 VAS를 지원하는 지원 공급자 목록에 대한 적어도 하나 이상의 서비스 파라미터 셋을 받는 단계를 포함하는, 통신 방법.
- 청구항 16에 있어서,상기 제1 서비스 식별자를 포함한 서비스 목록을 받는 단계는, 상기 SECC로부터 서비스 발견 응답(Service Discovery Response) 메시지를 받는 단계를 포함하고,상기 서비스 발견 응답 메시지는 상기 제1 서비스 식별자, 상기 지원 공급자 목록을 표현하는 서비스 이름, 및 전기차 전력공급장치(EV supply equipment, EVSE) 정보를 표현하는 서비스 카테고리를 구비하는 서비스 엘리먼트를 포함하는, 통신 방법.
- 청구항 17에 있어서,상기 전용 VAS의 파라미터를 요청하는 단계는, 상기 SECC로 서비스 디테일 요청(Service Detail Request) 메시지를 전달하는 단계를 포함하고,상기 적어도 하나 이상의 서비스 파라미터 셋을 받는 단계는, 상기 SECC로부터 상기 서비스 디테일 요청 메시지에 응답하는 서비스 디테일 응답(Service Detail Response) 메시지를 받는 단계를 포함하며,상기 서비스 발견 응답 메시지는 무료 서비스를 나타내는 서비스 엘리먼트를 더 포함하는, 통신 방법.
- 청구항 16에 있어서,상기 적어도 하나의 서비스 파라미터 셋 중 적어도 하나는, 파라미터 이름이 공급자들로 설정된 공급자 식별자들의 스트링 값을 포함하고, 상기 공급자 식별자들은 콤마(comma)로 구분되며,상기 공급자 식별자들 각각은 모빌리티 인증 식별자(E-mobility authentication identifier, EMAID)의 앞에서 5개의 문자들인 국가 코드와 공급자 ID로 구성되는, 통신 방법.
- 청구항 16에 있어서,상기 지원 공급자 목록에 의해 지원되는 모빌리티 인증 식별자(e-mobility authentication identifier, EMAID)를 가진 계약 인증서 체인을 결제 디테일 요청(Payment Details Request) 메시지를 통해 상기 SECC로 보내는 단계를 더 포함하는, 통신 방법.
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| KR20200125445A (ko) * | 2019-04-26 | 2020-11-04 | 현대자동차주식회사 | 무선 전력 전송 제어 방법 및 장치 |
| WO2022086204A1 (ko) * | 2020-10-21 | 2022-04-28 | 현대자동차주식회사 | 무선랜 기반 지능형 충전 또는 충방전을 위한 능동적 페어링 방법 및 장치 |
| KR20220074784A (ko) * | 2020-11-27 | 2022-06-03 | 현대자동차주식회사 | 전기차 충전을 위한 교차인증 방법 및 장치 |
| KR20220090465A (ko) * | 2020-12-22 | 2022-06-29 | 현대자동차주식회사 | PnC 관련 서비스 제공자 정보 제공 방법 및 장치 |
| KR102501524B1 (ko) * | 2018-06-26 | 2023-02-23 | 한국전력공사 | 전기차 충전기용 양방향 보안통신장치 |
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| KR102501524B1 (ko) * | 2018-06-26 | 2023-02-23 | 한국전력공사 | 전기차 충전기용 양방향 보안통신장치 |
| KR20200125445A (ko) * | 2019-04-26 | 2020-11-04 | 현대자동차주식회사 | 무선 전력 전송 제어 방법 및 장치 |
| WO2022086204A1 (ko) * | 2020-10-21 | 2022-04-28 | 현대자동차주식회사 | 무선랜 기반 지능형 충전 또는 충방전을 위한 능동적 페어링 방법 및 장치 |
| KR20220074784A (ko) * | 2020-11-27 | 2022-06-03 | 현대자동차주식회사 | 전기차 충전을 위한 교차인증 방법 및 장치 |
| KR20220090465A (ko) * | 2020-12-22 | 2022-06-29 | 현대자동차주식회사 | PnC 관련 서비스 제공자 정보 제공 방법 및 장치 |
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