# US 12,118,347 B2 · Electrically powered vehicle, method of controlling electrically powered vehicle, and controller that controls electrically powered vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,118,347 B2 - Document ID: US12118347B2 - Status: Granted - Kind: B2 - Application number: 17/870,420 - Filed: 2022-07-21 - Published: 2023-02-02 - Granted: 2024-10-15 - Earliest claimed: 2021-07-28 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Jidosha Kabushiki Kaisha - Inventors: Toru Ando - Web page: https://patentgrep.com/patent/US12118347B2 ## CPC - G06F 8/656: while running - B60L 53/62: in response to charging parameters, e.g. current, voltage or electrical charge - B60L 58/12: responding to state of charge [SoC] - B60L 58/13: Maintaining the SoC within a determined range - G06F 8/65: Updates (security arrangements therefor G06F21/57) - B60L 2270/40: related to technical updates when adding new parts or software - 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 - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - 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 - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract An update ECU performs processing including obtaining an OTA-target ECU when an OTA request has been issued, requesting a target ECU to perform update processing when the target ECU falls under an ECU that operates during traveling and when an electrically powered vehicle is being externally charged, and requesting a target ECU to perform update processing when the target ECU falls under an ECU that operates during external charging and when the electrically powered vehicle is traveling. ## Claims ### Claim 1 An electrically powered vehicle comprising: a power storage chargeable with a power supply outside the vehicle; a drive motor that drives the vehicle with electric power in the power storage; a reception apparatus that receives predetermined information from outside of the vehicle; and a control system composed of a plurality of controllers including a first controller and a second controller, wherein the first controller controls, by using a first control program, a device to be controlled that operates during charging of the power storage with the power supply outside the vehicle, the second controller controls, by using a second control program, a device to be controlled that operates during traveling of the vehicle with the drive motor, and when the control system receives update information of the first control program with the reception apparatus, the control system updates the first control program with the update information during traveling, when the control system receives update information of the second control program with the reception apparatus, the control system updates the second control program with the update information during charging, the plurality of controllers further include a third controller that controls, by using a third control program, a device to be controlled that operates during each of charging and traveling, and when the control system receives update information of the third control program with the reception apparatus, the control system updates the third control program with the update information while the vehicle is in a standstill. ### Claim 2 (depends on 1) The electrically powered vehicle according to claim 1, further comprising an auxiliary battery that supplies electric power to the third controller, wherein when the control system receives the update information of the third control program with the reception apparatus, the control system has the auxiliary battery charged during at least any one of charging and traveling, and when an amount of stored power in the auxiliary battery is equal to or larger than a threshold value on which update of the third control program can be based while the vehicle is in a standstill, the control system updates the third control program with the update information. ### Claim 3 (depends on 1) The electrically powered vehicle according to claim 1, wherein when the control system receives the update information of the first control program with the reception apparatus and a distance to empty becomes shorter than a distance to a destination of the vehicle due to increase in amount of power consumption with update of the first control program, the control system does not update the first control program during traveling. ### Claim 4 (depends on 1) The electrically powered vehicle according to claim 1, wherein when the control system receives the update information of the second control program with the reception apparatus and charging of the power storage cannot be completed by departure time due to increase in amount of power consumption with update of the second control program, the control system does not update the second control program during charging. ### Claim 5 A method of controlling an electrically powered vehicle including a power storage chargeable with a power supply outside the vehicle, a drive motor that drives the vehicle with electric power in the power storage, a reception apparatus that receives predetermined information from outside of the vehicle, and a control system composed of a plurality of controllers including a first controller and a second controller, the first controller controlling, by using a first control program, a device to be controlled that operates during charging of the power storage with the power supply outside the vehicle, the second controller controlling, by using a second control program, a device to be controlled that operates during traveling of the vehicle with the drive motor, the method comprising: updating, when update information of the first control program is received with the reception apparatus, the first control program with the update information during traveling; and updating, when update information of the second control program is received with the reception apparatus, the second control program with the update information during charging, wherein the plurality of controllers further include a third controller that controls, by using a third control program, a device to be controlled that operates during each of charging and traveling, and the method further comprising updating, when the control system receives update information of the third control program with the reception apparatus, the third control program with the update information while the vehicle is in a standstill. ### Claim 6 A controller that controls an electrically powered vehicle including a power storage chargeable with a power supply outside the vehicle, a drive motor that drives the vehicle with electric power in the power storage, and a reception apparatus that receives predetermined information from outside of the vehicle, the controller being configured to communicate with a first controller that controls, by using a first control program, a device to be controlled that operates during charging of the power storage with the power supply outside the vehicle, and a second controller that controls, by using a second control program, a device to be controlled that operates during traveling of the vehicle with the drive motor, when the controller receives update information of the first control program with the reception apparatus, the controller requesting the first controller to update the first control program with the update information during traveling, when the controller receives update information of the second control program with the reception apparatus, the controller requesting the second controller to update the second control program with the update information during charging, wherein the controller is further configured to communicate with a third controller that controls, by using a third control program, a device to be controlled that operates during each of charging and traveling, and when the controller receives update information of the third control program with the reception apparatus, the controller updates the third control program with the update information while the vehicle is in a standstill.