# US 10,500,976 B2 · Method for controlling wireless charging of electric vehicle, and apparatus using the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,500,976 B2 - Document ID: US10500976B2 - Status: Granted - Kind: B2 - Application number: 16/051,786 - Filed: 2018-08-01 - Published: 2019-02-07 - Granted: 2019-12-10 - Earliest claimed: 2017-08-07 - Assignees: Hyundai Motor Company; Kia Motors Corporation - Applicants: Hyundai Motor Company; Kia Motors Corporation - Inventors: Jin Su Jang - Web page: https://patentgrep.com/patent/US10500976B2 ## CPC - B60L 53/12: Inductive energy transfer - B60L 53/31: Charging columns specially adapted for electric vehicles - B60L 53/665: {Methods related to measuring, billing or payment} - H02J 7/00: Circuit arrangements for charging or discharging batteries or for supplying loads from batteries - H02J 7/50: acting upon multiple batteries simultaneously or sequentially - H02J 50/10: using inductive coupling - H02J 50/80: involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices - H02J 2105/37: exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV] - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y02T 10/7072: Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors - Y02T 90/12: Electric charging stations - Y02T 90/14: Plug-in electric vehicles - Y02T 90/16: Information or communication technologies improving the operation of electric vehicles - Y02T 90/167: 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] - Y04S 30/14: Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS ## Abstract A wireless charging control method performed by a power supply apparatus including at least one charging pad configured to supply power wirelessly to an EV may include: initializing a communication link with the EV; transmitting information relating to the at least one charging pad to the EV; receiving information indicating a departure time when the EV leaves a charging station; transmitting at least one of information indicating an output power of the at least one charging pad and information indicating a charging fee of the at least one charging pad; receiving scheduling information of the EV from the EV; and supplying power wirelessly to the EV through the at least one charging pad according to the scheduling information. ## Claims ### Claim 1 A wireless charging control method performed by a power supply apparatus including at least one charging pad configured to supply power wirelessly to an electric vehicle (EV), the wireless charging control method comprising: initializing a communication link with the EV; transmitting information relating to the at least one charging pad to the EV; receiving information indicating a departure time when the EV leaves a charging station; transmitting at least one of information indicating an output power of the at least one charging pad and information indicating a charging fee of the at least one charging pad; receiving scheduling information of the EV from the EV; and supplying power wirelessly to the EV through the at least one charging pad according to the scheduling information. ### Claim 2 (depends on 1) The wireless charging control method according to claim 1, wherein the EV and the power supply apparatus exchange wireless charging related messages according to International Organization for Standardization (ISO) 15118. ### Claim 3 (depends on 2) The wireless charging control method according to claim 2, wherein the information relating to the at least one charging pad is included in a ServiceDetailRes message transmitted to the EV. ### Claim 4 (depends on 2) The wireless charging control method according to claim 2, wherein at least one of the information indicating the output power and the information indicating the charging fee is included in a ChargeParameterDiscoveryRes message. ### Claim 5 (depends on 4) The wireless charging control method according to claim 4, wherein the information indicating the output power or the information indicating the charging fee includes an indication of at least one of a power output start time, a maximum output power, a billing start time, and a price level of each of the at least one charging pad. ### Claim 6 (depends on 2) The wireless charging control method according to claim 2, wherein the scheduling information is included in a PowerDeliveryReq message received from the EV. ### Claim 7 (depends on 1) The wireless charging control method according to claim 1, wherein the scheduling information includes an indication of at least one of a charging start time, a maximum input power, and a charging end time of the EV. ### Claim 8 (depends on 1) The wireless charging control method according to claim 1, further comprising performing a procedure for alignment and pairing between a reception pad of the EV and the at least one charging pad to perform wireless power transfer to the EV. ### Claim 9 (depends on 2) The wireless charging control method according to claim 2, wherein the information indicating the departure time is included in a ChargeParameterDiscoveryReq message. ### Claim 10 (depends on 1) The wireless charging control method according to claim 1, further comprising transmitting a renegotiation request to the EV when a surplus power of the power supply apparatus becomes available during the supplying of the power to the EV. ### Claim 11 (depends on 10) The wireless charging control method according to claim 10, wherein the renegotiation request is included in a PowerDeliveryRes message transmitted by the power supply apparatus. ### Claim 12 A wireless charging control method performed by an electric vehicle (EV) configured to receive power wirelessly from a power supply apparatus including at least one charging pad, the wireless charging control method comprising: initializing a communication link with the power supply apparatus; receiving information relating to the at least one charging pad from the power supply apparatus; transmitting information indicating a departure time when the EV leaves a charging station; receiving at least one of information indicating an output power of the at least one charging pad and information indicating a charging fee of the at least one charging pad from the power supply apparatus; performing a scheduling operation using at least one of the information indicating the output power and the information indicating the charging fee; transmitting scheduling information to the power supply apparatus; and receiving power wirelessly from the at least one charging pad according to the scheduling information. ### Claim 13 (depends on 12) The wireless charging control method according to claim 12, wherein the EV and the power supply apparatus exchange wireless charging related messages according to International Organization for Standardization (ISO) 15118. ### Claim 14 (depends on 13) The wireless charging control method according to claim 13, wherein the information relating to the at least one charging pad is included in a ServiceDetailRes message received from the power supply apparatus. ### Claim 15 (depends on 13) The wireless charging control method according to claim 13, wherein at least one of the information indicating the output power and the information indicating the charging fee is included in a ChargeParameterDiscoveryRes message received from the power supply apparatus. ### Claim 16 (depends on 13) The wireless charging control method according to claim 13, wherein the scheduling information is included in a PowerDeliveryReq message transmitted to the power supply apparatus. ### Claim 17 A power supply apparatus including at least one charging pad configured to supply power wirelessly to an electric vehicle (EV), at least one processor, and a memory storing at least one instruction executable by the at least one processor, which when executed cause the at least one processor to: initialize a communication link with the power supply apparatus; transmit information relating to the at least one charging pad to the EV; receive information indicating a departure time when the EV leaves a charging station; transmit at least one of information indicating an output power of the at least one charging pad and information indicating a charging fee of the at least one charging pad; receive scheduling information of the EV from the EV; and supply power wirelessly to the EV through the at least one charging pad according to the scheduling information. ### Claim 18 (depends on 17) The power supply apparatus according to claim 17, wherein the EV and the power supply apparatus exchange wireless charging related messages according to International Organization for Standardization (ISO) 15118. ### Claim 19 (depends on 18) The power supply apparatus according to claim 18 wherein the information relating to the at least one charging pad is included in a ServiceDetailRes message transmitted to the EV. ### Claim 20 (depends on 18) The power supply apparatus according to claim 18, wherein at least one of the information indicating the output power and the information indicating the charging fee is included in a ChargeParameterDiscoveryRes message.