# US 2019/0168616 A1 · Hybrid vehicle, controller for hybrid vehicle, and control method for hybrid vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0168616 A1 - Document ID: US20190168616A1 - Status: Published application - Kind: A1 - Application number: 16/139,375 - Filed: 2018-09-24 - Published: 2019-06-06 - Earliest claimed: 2017-12-05 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Jidosha Kabushiki Kaisha - Inventors: Keisuke MORISAKI - Web page: https://patentgrep.com/patent/US20190168616A1 ## CPC - B60L 53/22: Constructional details or arrangements of charging converters specially adapted for charging electric vehicles - B60K 6/24: characterised by the combustion engines - B60K 6/28: characterised by the electric energy storing means, e.g. batteries or capacitors - B60K 6/445: Differential gearing distribution type - B60L 58/12: responding to state of charge [SoC] - B60W 10/06: including control of combustion engines - B60W 10/08: including control of electric propulsion units, e.g. motors or generators - B60W 10/26: for electrical energy, e.g. batteries or capacitors - B60W 20/12: using control strategies taking into account route information {(estimation or calculation of non-directly measurable driving parameters B60W40/00)} - B60W 20/16: for reducing engine exhaust emissions - B60W 30/194: related to low temperature conditions, e.g. high viscosity of hydraulic fluid - B60W 50/0097: {Predicting future conditions} - F02N 11/0818: {Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode} - F02N 11/0829: {related to special engine control, e.g. giving priority to engine warming-up or learning} - B60L 2240/423: Torque - B60W 2520/10: Longitudinal speed - B60W 2530/18: Distance travelled - B60W 2540/10: Accelerator pedal position - B60W 2540/30: Driving style - B60W 2552/15: Road slope, i.e. the inclination of a road segment in the longitudinal direction - B60W 2552/20: Road profile, i.e. the change in elevation or curvature of a plurality of continuous road segments - B60W 2552/25: Road altitude - B60W 2555/40: Altitude - B60W 2556/10: Historical data - B60W 2556/45: External transmission of data to or from the vehicle - B60W 2556/50: of positioning data, e.g. GPS [Global Positioning System] data - B60W 2556/55: using telemetry - B60W 2710/244: Charge state - F02N 2200/046: Energy or power necessary for starting - F02N 2200/061: Battery state of charge [SOC] - F02N 2300/2011: Control involving a delay; Control involving a waiting period before engine stop or engine start - Y02T 10/40: Engine management systems - Y02T 10/62: Hybrid vehicles - 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 90/14: Plug-in electric vehicles - 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 - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - F02N: STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A hybrid vehicle includes an engine, a motor, a power storage device connected to the motor, and an electronic control unit. The electronic control unit executes power storage capacity decreasing control in a current trip and executes power storage capacity recovering control in a next trip when parking at a predetermined point is predicted. The electronic control unit limits execution of the power storage capacity decreasing control in the current trip when heavy-load traveling with a load heavier than a predetermined load is predicted to be performed within a predetermined period after the start of the next trip when the next trip is started at a predetermined point. ## Claims ### Claim 1 A hybrid vehicle comprising: an engine; a motor; a power storage device connected to the motor; and an electronic control unit configured to, i) when a condition a) is satisfied, execute power storage capacity decreasing control in a current trip and execute power storage capacity recovering control in a next trip, and ii) limit execution of the power storage capacity decreasing control in the current trip when the condition a) and a condition b) are both satisfied, a) parking at a predetermined point is predicted, and b) when the next trip is started at the predetermined point, heavy-load traveling with a load heavier than a predetermined load is predicted to be performed within a predetermined period after a start of the next trip, the power storage capacity decreasing control being control of controlling the engine and the motor such that a power storage capacity of the power storage device is lower when the condition a) is satisfied than when the condition a) is not satisfied, the power storage capacity recovering control being control of controlling the engine and the motor such that the power storage capacity of the power storage device is recovered when the engine operates, and the predetermined period being at least one period of a period in which a predetermined time elapses and a period in which the hybrid vehicle travels a predetermined distance. ### Claim 2 (depends on 1) The hybrid vehicle according to claim 1, wherein the electronic control unit is configured to prohibit execution of the power storage capacity decreasing control in the current trip when the condition a) and the condition b) are both satisfied. ### Claim 3 (depends on 1) The hybrid vehicle according to claim 1, wherein the electronic control unit is configured to predict whether to perform the heavy-load traveling within the predetermined period after the start of the next trip at the predetermined point based on one of a condition c) and a condition d) when the condition a) is satisfied, c) the number of times the heavy-load traveling was performed within the predetermined period after the start of a previous trip when the previous trip was started at the predetermined point; and d) the number of times the heavy-load traveling was not performed within the predetermined period after the start of the previous trip when the previous trip was started at the predetermined point. ### Claim 4 (depends on 3) The hybrid vehicle according to claim 3, wherein the electronic control unit is configured to determine whether the heavy-load traveling was performed within the predetermined period after the start of the trip based on at least one of a condition e), f a condition), a condition g), a condition h), and a condition j): e) one of an integrated value of an accelerator operation amount within the predetermined period after the start of the trip and a maximum value of the accelerator operation amount within the predetermined period after the start of the trip; f) one of an integrated value of a vehicle speed within the predetermined period after the start of the trip and a maximum value of the vehicle speed within the predetermined period after the start of the trip; g) one of an integrated value of a traveling output within the predetermined period after the start of the trip and a maximum value of the traveling output within the predetermined period after the start of the trip; h) one of an integrated value of a road gradient within the predetermined period after the start of the trip and a maximum value of the road gradient within the predetermined period after the start of the trip; and j) a difference in elevation within the predetermined period after the start of the trip. ### Claim 5 (depends on 1) The hybrid vehicle according to claim 1, wherein the electronic control unit is configured to predict whether to perform the heavy-load traveling within the predetermined period after the start of the next trip at the predetermined point based on at least one of presence of an uphill road, a road gradient, and a difference in elevation within the predetermined distance from the predetermined point when the condition a) is satisfied. ### Claim 6 (depends on 1) The hybrid vehicle according to claim 1, wherein the electronic control unit is configured to notify with a message indicating limiting of execution of the power storage capacity decreasing control when a condition k) is satisfied, k) execution of the power storage capacity decreasing control is scheduled to be limited. ### Claim 7 (depends on 1) The hybrid vehicle according to claim 1, wherein the electronic control unit is configured not to limit execution of the power storage capacity decreasing control in the current trip when the condition k) and a condition l) are both satisfied, l) rejection of limiting of execution of the power storage capacity decreasing control is instructed. ### Claim 8 (depends on 1) The hybrid vehicle according to claim 1, wherein the electronic control unit is configured to determine whether parking at the predetermined point is predicted based on whether a destination is the predetermined point, and the electronic control unit is configured to acquire the destination that is predicted based on a traveling history by an external system when the destination has not been set by a user. ### Claim 9 (depends on 1) The hybrid vehicle according to claim 1, wherein the hybrid vehicle is a vehicle that is not able to use external charging, the external charging is charging of the power storage device using electric power from an external power supply. ### Claim 10 (depends on 1) The hybrid vehicle according to claim 1, wherein the hybrid vehicle is a vehicle that is able to use external charging, the external charging is charging of the power storage device using electric power from an external power supply, the predetermined point being a position at which the vehicle is predicted not to use the external charging. ### Claim 11 A controller for a hybrid vehicle, the hybrid vehicle including an engine, a motor, and a power storage device that is connected to the motor, the controller comprising: an electronic control unit configured to, i) when a condition a) is satisfied, execute power storage capacity decreasing control in a current trip and execute power storage capacity recovering control in a next trip, and ii) limit execution of the power storage capacity decreasing control in the current trip when the condition a) and a condition b) are both satisfied, a) parking at a predetermined point is predicted, and b) when the next trip is started at the predetermined point, heavy-load traveling with a load heavier than a predetermined load is predicted to be performed within a predetermined period after a start of the next trip, the power storage capacity decreasing control being control of controlling the engine and the motor such that a power storage capacity of the power storage device is lower when the condition a) is satisfied than when the condition a) is not satisfied, the power storage capacity recovering control being control of controlling the engine and the motor such that the power storage capacity of the power storage device is recovered when the engine operates, and the predetermined period being at least one period of a period in which a predetermined time elapses and a period in which the hybrid vehicle travels a predetermined distance. ### Claim 12 A control method for a hybrid vehicle, the hybrid vehicle including an engine, a motor, a power storage device that is connected to the motor, and an electronic control unit, the control method comprising: i) when a condition a) is satisfied, executing, by the electronic control unit, power storage capacity decreasing control in a current trip and executing, by the electronic control unit, power storage capacity recovering control in a next trip, and ii) limiting, by the electronic control unit, execution of the power storage capacity decreasing control in the current trip when the condition a) and a condition b) are both satisfied, a) parking at a predetermined point is predicted, and b) when the next trip is started at the predetermined point, heavy-load traveling with a load heavier than a predetermined load is predicted to be performed within a predetermined period after a start of the next trip, the power storage capacity decreasing control is control of controlling the engine and the motor such that a power storage capacity of the power storage device is lower when the condition a) is satisfied than when the condition a) is not satisfied, the power storage capacity recovering control is control of controlling the engine and the motor such that the power storage capacity of the power storage device is recovered when the engine operates, and the predetermined period is at least one period of a period in which a predetermined time elapses and a period in which the hybrid vehicle travels a predetermined distance.