# US 2017/0282898 A1 · Travel driving apparatus of vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0282898 A1 - Document ID: US20170282898A1 - Status: Published application - Kind: A1 - Application number: 15/464,478 - Filed: 2017-03-21 - Published: 2017-10-05 - Earliest claimed: 2016-03-30 - Assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha - Applicants: Mitsubishi Jidosha Kogyo Kabushiki Kaisha - Inventors: Ryo SHIMIZU; Norihiko IKOMA; Makoto KAMACHI; Hironori ABE; Naoki MIYAMOTO - Web page: https://patentgrep.com/patent/US20170282898A1 ## CPC - B60L 58/12: responding to state of charge [SoC] - B60K 6/26: characterised by the motors or the generators - B60K 6/387: Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means - B60K 6/442: Series-parallel switching type - B60L 7/16: for vehicles comprising converters between the power source and the motor - B60L 7/18: Controlling the braking effect (B60L7/12, B60L7/14, B60L7/16 take precedence) - B60L 15/2009: {for braking} - B60L 50/16: with provision for separate direct mechanical propulsion - B60L 53/24: Using the vehicle's propulsion converter for charging - B60T 1/10: by utilising wheel movement for accumulating energy, e.g. driving air compressors - B60W 20/14: in conjunction with braking regeneration - B60W 30/18127: {Regenerative braking} - B60L 2210/00: Converter types - B60L 2240/423: Torque - B60L 2240/443: Torque - B60L 2240/507: Operating parameters - B60L 2240/525: Temperature of converter or components thereof - B60L 2250/24: by lever actuation - B60L 2260/30: Engine braking emulation - B60T 2270/60: Regenerative braking - B60W 2710/0666: Engine torque - B60W 2710/0677: Engine power - B60W 2710/083: Torque - B60W 2710/244: Charge state - B60Y 2300/18125: Regenerative braking - B60Y 2300/91: Battery charging - B60Y 2400/112: Batteries - B60Y 2400/61: Arrangements of controllers for electric machines, e.g. inverters - B60Y 2400/90: Driver alarms - Y02T 10/62: Hybrid vehicles - Y02T 10/64: Electric machine technologies in electromobility - 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 10/72: Electric energy management in electromobility - Y02T 90/14: Plug-in electric vehicles - Y10S 903/93: Conjoint control of different elements - 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 - B60T: VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL (electrodynamic brake systems for vehicle, in general B60L; brakes per se, i.e. devices where braking effect occurs, including ultimate brake actuators, F16D); ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES - 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 - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ## Abstract In a hybrid vehicle including: a step-up converter for stepping-up the voltage from a battery and supplying power to the front motor for driving front wheels; as well as a paddle switch for setting regenerative braking torque stepwisely, and a hybrid control unit for calculating a regenerative braking force based on a selection stage set by the paddle switch, the hybrid control unit decreases the regenerative braking force to be less than the regenerative braking force while the maximum input/output power of the step-up converter is not limited, when a selection stage in which regenerative braking force is more than that in a D range is selected while the maximum input/output power of the step-up converter is limited. ## Claims ### Claim 1 A travel driving apparatus for a vehicle, comprising: an electrical motor which regenerates power by use of rotating force of a driving wheel of a vehicle, and exerts regenerative braking force; a battery mounted on the vehicle; a transformer for transforming the power regenerated by the electrical motor and supplying the power to the battery, wherein maximum input/output power is limited based on a temperature condition; a regenerative braking force selecting section for setting a magnitude of regenerative braking force in such a way to be changed stepwisely; and a regenerative braking force computing section for decreasing the regenerative braking force to be less than regenerative braking force while the transformer is not limited, when a selection stage in which regenerative braking force increases more than in a predetermined selection stage is selected by the regenerative braking force selecting section while the transformer is limited. ### Claim 2 (depends on 1) The travel driving apparatus for a vehicle according to claim 1, wherein the regenerative braking force computing section adjusts the regenerative braking force to be the same as a regenerative braking force at a normal time when the predetermined selection stage, or a selection stage in which regenerative braking force decreases to be less than in the predetermined selection stage, is selected by the regenerative braking force selecting section even while the transformer is limited. ### Claim 3 (depends on 1) The travel driving apparatus for a vehicle according to claim 1, wherein the predetermined selection stage exerts the same regenerative braking force as that in a travelling range of the vehicle. ### Claim 4 (depends on 2) The travel driving apparatus for a vehicle according to claim 2, wherein the predetermined selection stage exerts the same regenerative braking force as that in a travelling range of the vehicle. ### Claim 5 (depends on 1) The travel driving apparatus for a vehicle according to claim 1, wherein the travel driving apparatus comprises a notification section for notifying an occupant of the vehicle when a selection stage in which regenerative braking force increases to be more than in the predetermined selection stage is selected by the regenerative braking force selecting section while the transformer is limited. ### Claim 6 (depends on 2) The travel driving apparatus for a vehicle according to claim 2, wherein the travel driving apparatus comprises a notification section for notifying an occupant of the vehicle when a selection stage in which regenerative braking force increases to be more than in the predetermined selection stage is selected by the regenerative braking force selecting section while the transformer is limited. ### Claim 7 (depends on 3) The travel driving apparatus for a vehicle according to claim 3, wherein the travel driving apparatus comprises a notification section for notifying an occupant of the vehicle when a selection stage in which regenerative braking force increases to be more than in the predetermined selection stage is selected by the regenerative braking force selecting section while the transformer is limited. ### Claim 8 (depends on 1) The travel driving apparatus for a vehicle according to claim 1, wherein the travel driving apparatus further comprises: an internal combustion engine mounted on the vehicle; a generator for generating power by being driven by the internal combustion engine, transforming the power with the transformer, and supplying the power to the battery or the electrical motor; and a generator computing section for computing generated power of the generator, wherein the generator computing section sets a value obtained by subtracting regenerated power exerted in a selection stage selected by the regenerative braking force selecting section from maximum input/output power of the transformer to be a maximum value of the generated power. ### Claim 9 (depends on 2) The travel driving apparatus for a vehicle according to claim 2, wherein the travel driving apparatus further comprises: an internal combustion engine mounted on the vehicle; a generator for generating power by being driven by internal combustion engine, transforming the power with the transformer, and supplying the power to the battery or the electrical motor; and a generator computing section for computing generated power of the generator, wherein the generator computing section sets a value obtained by subtracting regenerated power exerted in a selection stage selected by the regenerative braking force selecting section from maximum input/output power of the transformer to be a maximum value of the generated power. ### Claim 10 (depends on 3) The travel driving apparatus for a vehicle according to claim 3, wherein the travel driving apparatus further comprises: an internal combustion engine mounted on the vehicle; a generator for generating power by being driven by internal combustion engine, transforming the power with the transformer, and supplying the power to the battery or the electrical motor; and a generator computing section for computing generated power of the generator, wherein the generator computing section sets a value obtained by subtracting regenerated power exerted in a selection stage selected by the regenerative braking force selecting section from maximum input/output power of the transformer to be a maximum value of the generated power. ### Claim 11 (depends on 4) The travel driving apparatus for a vehicle according to claim 4, wherein the travel driving apparatus further comprises: an internal combustion engine mounted on the vehicle; a generator for generating power by being driven by internal combustion engine, transforming the power with the transformer, and supplying the power to the battery or the electrical motor; and a generator computing section for computing generated power of the generator, wherein the generator computing section sets a value obtained by subtracting regenerated power exerted in a selection stage selected by the regenerative braking force selecting section from maximum input/output power of the transformer to be a maximum value of the generated power. ### Claim 12 (depends on 5) The travel driving apparatus for a vehicle according to claim 5, wherein the travel driving apparatus further comprises: an internal combustion engine mounted on the vehicle; a generator for generating power by being driven by internal combustion engine, transforming the power with the transformer, and supplying the power to the battery or the electrical motor; and a generator computing section for computing generated power of the generator, wherein the generator computing section sets a value obtained by subtracting regenerated power exerted in a selection stage selected by the regenerative braking force selecting section from maximum input/output power of the transformer to be a maximum value of the generated power. ### Claim 13 (depends on 6) The travel driving apparatus for a vehicle according to claim 6, wherein the travel driving apparatus further comprises: an internal combustion engine mounted on the vehicle; a generator for generating power by being driven by internal combustion engine, transforming the power with the transformer, and supplying the power to the battery or the electrical motor; and a generator computing section for computing generated power of the generator, wherein the generator computing section sets a value obtained by subtracting regenerated power exerted in a selection stage selected by the regenerative braking force selecting section from maximum input/output power of the transformer to be a maximum value of the generated power. ### Claim 14 (depends on 7) The travel driving apparatus for a vehicle according to claim 7, wherein the travel driving apparatus further comprises: an internal combustion engine mounted on the vehicle; a generator for generating power by being driven by internal combustion engine, transforming the power with the transformer, and supplying the power to the battery or the electrical motor; and a generator computing section for computing generated power of the generator, wherein the generator computing section sets a value obtained by subtracting regenerated power exerted in a selection stage selected by the regenerative braking force selecting section from maximum input/output power of the transformer to be a maximum value of the generated power.