# US 11,441,917 B2 · System and method for adjusting an electric vehicle charging speed > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,441,917 B2 - Document ID: US11441917B2 - Status: Granted - Kind: B2 - Application number: 16/665,717 - Filed: 2019-10-28 - Published: 2021-02-18 - Granted: 2022-09-13 - Earliest claimed: 2019-08-14 - Assignees: Honda Motor Co., Ltd. - Applicants: Honda Motor Co., Ltd. - Inventors: David Wong Cun; Eri Izumi Maeda - Web page: https://patentgrep.com/patent/US11441917B2 ## CPC - G01C 21/3476: {using point of interest [POI] information, e.g. a route passing visible POIs} - B60L 53/11: {DC charging controlled by the charging station, e.g. mode 4} - B60L 53/305: {Communication interfaces} - B60L 53/62: in response to charging parameters, e.g. current, voltage or electrical charge - B60L 53/64: Optimising energy costs, e.g. responding to electricity rates - B60L 53/665: {Methods related to measuring, billing or payment} - B60L 53/68: Off-site monitoring or control, e.g. remote control - B60L 58/12: responding to state of charge [SoC] - G01C 21/3469: {Fuel consumption; Energy use; Emission aspects} - G01C 21/3484: {Personalized, e.g. from learned user behaviour or user-defined profiles} - G01C 21/3617: {using user history, behaviour, conditions or preferences, e.g. predicted or inferred from previous use or current movement} - G06F 9/451: Execution arrangements for user interfaces - B60L 2240/60: Navigation input - Y02T 10/70: Energy storage systems for electromobility, e.g. batteries - Y04S 30/12: Remote or cooperative charging - G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S) - 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 - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - 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 system and method for adjusting an electric vehicle charging speed that include determining that an electric vehicle arrives at a charging station and receiving electric vehicle pricing data associated with a price to charge the electric vehicle at a plurality of charging speed tiers by the charging station. The system and method also include determining a price difference between the price to charge the electric vehicle at a fast charging speed tier and a slower charging speed tier. The system and method further include adjusting the electric vehicle charging speed to the fast charging speed tier upon determining that the price difference is equal to or below a charging price delta threshold. ## Claims ### Claim 1 A computer-implemented method for adjusting an electric vehicle charging speed comprising: determining that an electric vehicle arrives at a charging station; receiving electric vehicle pricing data associated with a price to charge the electric vehicle at a plurality of charging speed tiers by the charging station; determining a price difference between the price to charge the electric vehicle at a fast charging speed tier and a slower charging speed tier, wherein the charging speed to charge the electric vehicle is faster when utilizing the fast charging speed tier than when utilizing the slower charging speed tier; and adjusting the electric vehicle charging speed to the fast charging speed tier upon determining that the price difference is equal to or below a charging price delta threshold. ### Claim 2 (depends on 1) The computer-implemented method of claim 1, wherein determining that the electric vehicle arrives at the charging station includes querying a station database to determine if a current geo-location of the electric vehicle matches with a geo-location of the charging station stored on the station database. ### Claim 3 (depends on 2) The computer-implemented method of claim 2, wherein receiving electric vehicle pricing data includes querying the station database and determining a plurality of pricing schemes that are respectively associated with the plurality of charging speed tiers that are available at the charging station at a current point in time. ### Claim 4 (depends on 3) The computer-implemented method of claim 3, further including determining an operator preferred charging speed tier of the plurality of charging speed tiers that is preferred by an operator of the electric vehicle as an automatic charging speed selection when the electric vehicle arrives at the charging station, wherein the operator preferred charging speed tier does not include a fastest charging speed tier that is available to charge the electric vehicle at the charging station. ### Claim 5 (depends on 4) The computer-implemented method of claim 4, wherein determining the price difference includes providing a delta threshold user interface that is utilized by the operator of the electric vehicle to select a preferred number of tiers above the operator preferred charging speed tier at which the price to charge the electric vehicle is to be analyzed in comparison to the price to charge the electric vehicle at the operator preferred charging speed tier. ### Claim 6 (depends on 5) The computer-implemented method of claim 5, wherein determining the price difference includes determining a price to charge a battery of the electric vehicle to a desired state of charge level from a current state of charge level for the operator preferred charging speed tier and at least one fast charging speed tier that is the preferred number of tiers above the operator preferred charging speed tier. ### Claim 7 (depends on 6) The computer-implemented method of claim 6, wherein adjusting the electric vehicle charging speed includes determining if the price difference to charge the battery of the electric vehicle to the desired state of charge level from the current state of charge level for the operator preferred charging speed tier and the at least one fast charging speed tier that is the preferred number of tiers above the operator preferred charging speed tier is equal to or below the charging price delta threshold. ### Claim 8 (depends on 7) The computer-implemented method of claim 7, wherein adjusting the electric vehicle charging speed includes adjusting the electric vehicle charging speed to the at least one fast charging speed tier that is the preferred number of tiers above the operator preferred charging speed tier if the price difference to charge the battery of the electric vehicle to the desired state of charge level for the operator preferred charging speed tier and the at least one fast charging speed tier is equal to or below the charging price delta threshold. ### Claim 9 (depends on 7) The computer-implemented method of claim 7, wherein adjusting the electric vehicle charging speed to the fast charging speed tier includes adjusting the electric vehicle charging speed to the fastest charging speed tier that is available at the charging station that is associated with a pricing scheme that provides a price difference from the operator preferred charging speed tier that is equal to or below the charging price delta threshold. ### Claim 10 A system for adjusting an electric vehicle charging speed comprising: a memory storing instructions when executed by a processor cause the processor to: determine that an electric vehicle arrives at a charging station; receive electric vehicle pricing data associated with a price to charge the electric vehicle at a plurality of charging speed tiers by the charging station; determine a price difference between the price to charge the electric vehicle at a fast charging speed tier and a slower charging speed tier, wherein the charging speed to charge the electric vehicle is faster when utilizing the fast charging speed tier than when utilizing the slower charging speed tier; and adjust the electric vehicle charging speed to the fast charging speed tier upon determining that the price difference is equal to or below a charging price delta threshold. ### Claim 11 (depends on 10) The system of claim 10, wherein determining that the electric vehicle arrives at the charging station includes querying a station database to determine if a current geo-location of the electric vehicle matches with a geo-location of the charging station stored on the station database. ### Claim 12 (depends on 11) The system of claim 11, wherein receiving electric vehicle pricing data includes querying the station database and determining a plurality of pricing schemes that are respectively associated with the plurality of charging speed tiers that are available at the charging station at a current point in time. ### Claim 13 (depends on 12) The system of claim 12, further including determining an operator preferred charging speed tier of the plurality of charging speed tiers that is preferred by an operator of the electric vehicle as an automatic charging speed selection when the electric vehicle arrives at the charging station, wherein the operator preferred charging speed tier does not include a fastest charging speed tier that is available to charge the electric vehicle at the charging station. ### Claim 14 (depends on 13) The system of claim 13, wherein determining the price difference includes providing a delta threshold user interface that is utilized by the operator of the electric vehicle to select a preferred number of tiers above the operator preferred charging speed tier at which the price to charge the electric vehicle is to be analyzed in comparison to the price to charge the electric vehicle at the operator preferred charging speed tier. ### Claim 15 (depends on 14) The system of claim 14, wherein determining the price difference includes determining a price to charge a battery of the electric vehicle to a desired state of charge level from a current state of charge level for the operator preferred charging speed tier and at least one fast charging speed tier that is the preferred number of tiers above the operator preferred charging speed tier. ### Claim 16 (depends on 15) The system of claim 15, wherein adjusting the electric vehicle charging speed includes determining if the price difference to charge the battery of the electric vehicle to the desired state of charge level from the current state of charge level for the operator preferred charging speed tier and the at least one fast charging speed tier that is the preferred number of tiers above the operator preferred charging speed tier is equal to or below the charging price delta threshold. ### Claim 17 (depends on 16) The system of claim 16, wherein adjusting the electric vehicle charging speed includes adjusting the electric vehicle charging speed to the at least one fast charging speed tier that is the preferred number of tiers above the operator preferred charging speed tier if the price difference to charge the battery of the electric vehicle to the desired state of charge level for the operator preferred charging speed tier and the at least one fast charging speed tier is equal to or below the charging price delta threshold. ### Claim 18 (depends on 16) The system of claim 16, wherein adjusting the electric vehicle charging speed to the fast charging speed tier includes adjusting the electric vehicle charging speed to the fastest charging speed tier that is available at the charging station that is associated with a pricing scheme that provides a price difference from the operator preferred charging speed tier that is equal to or below the charging price delta threshold. ### Claim 19 A non-transitory computer readable storage medium storing instructions that when executed by a computer, which includes a processor perform a method, the method comprising: determining that an electric vehicle arrives at a charging station; receiving electric vehicle pricing data associated with a price to charge the electric vehicle at a plurality of charging speed tiers by the charging station; determining a price difference between the price to charge the electric vehicle at a fast charging speed tier and a slower charging speed tier, wherein the charging speed to charge the electric vehicle is faster when utilizing the fast charging speed tier than when utilizing the slower charging speed tier; and adjusting the electric vehicle charging speed to the fast charging speed tier upon determining that the price difference is equal to or below a charging price delta threshold. ### Claim 20 (depends on 19) The non-transitory computer readable storage medium of claim 19, wherein adjusting the electric vehicle charging speed includes determining if the price difference to charge the battery of the electric vehicle to a desired state of charge level from a current state of charge level for an operator preferred charging speed tier and at least one fast charging speed tier that is a preferred number of tiers above the operator preferred charging speed tier is equal to or below the charging price delta threshold.