# US 2013/0158798 A1 · Vehicle control system and control device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0158798 A1 - Document ID: US20130158798A1 - Status: Published application - Kind: A1 - Application number: 13/820,058 - Filed: 2010-09-03 - Published: 2013-06-20 - Earliest claimed: 2010-09-03 - Assignees: Toyota Jidosha Kabushiki Kaisha - Inventors: Masashi Igarashi - Web page: https://patentgrep.com/patent/US20130158798A1 ## CPC - B60W 30/02: Control of vehicle driving stability - B60C 23/20: Devices for measuring or signalling tyre temperature {only} - B60W 10/20: including control of steering systems - B60W 10/22: including control of suspension systems - B62D 5/008: {Changing the transfer ratio between the steering wheel and the steering gear by variable supply of energy, e.g. by using a superposition gear} - B62D 6/00: Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits (means for initiating a change in direction B62D1/00; steering valves B62D5/06; combined with means for inclining the vehicle body or wheels on bends B62D9/00) - B62D 6/002: {computing target steering angles for front or rear wheels (B62D7/159 takes precedence)} - B60W 2530/20: Tyre data - 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 - B60C: VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES - B62D: MOTOR VEHICLES; TRAILERS (steering, or guiding on a desired track, of agricultural machines or implements A01B69/00; wheels, castors, axles, increasing wheel adhesion B60B; vehicle tyres, tyre inflation or tyre changing B60C; connections between vehicles of a train or the like B60D; vehicles for use on rail and road, amphibious or convertible vehicles B60F; suspension arrangements B60G; heating, cooling, ventilating or other air treating devices B60H; windows, windscreens, non-fixed roofs, doors or similar devices, protective coverings for vehicles not in use B60J; propulsion plant arrangements, auxiliary drives, transmissions, controls, instrumentation or dashboards B60K; electric equipment or propulsion of electrically-propelled vehicles B60L; power supply for electrically-propelled vehicles B60M; passenger accommodation not otherwise provided for B60N; adaptations for load transportation or to carry special loads or objects B60P; arrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general B60Q; vehicles, vehicle fittings or vehicle parts not otherwise provided for B60R; servicing, cleaning, repairing, supporting, lifting, or manoeuvring, not otherwise provided for, B60S; brake arrangements, brake control systems or parts thereof B60T; air-cushion vehicles B60V; motor-cycles, accessories therefor B62J, B62K; testing of vehicles G01M) ## Abstract A vehicle control system includes an actuator capable of adjusting a behavior of a vehicle, a temperature detecting device configured to detect a temperature of a tire on a wheel of the vehicle, and a control device configured to control the actuator according to the temperature of the tire detected by the temperature detecting device so as to change a degree of suppressing a behavior change of the vehicle by the actuator. Therefore, the vehicle control system can suppress a variation in a driving feeling. ## Claims ### Claim 1 A vehicle control system comprising: an actuator capable of adjusting a behavior of a vehicle; a temperature detecting device configured to detect a temperature in a tread of a tire on a wheel of the vehicle; and a control device configured to control the actuator according to the temperature in a tread of the tire detected by the temperature detecting device so as to increase a degree of suppressing a behavior change of the vehicle by the actuator, when the temperature in the tread of the tire detected by the temperature detecting device is relatively high, compared to a case where the temperature in the tread of the tire is relatively low. ### Claim 2 (canceled) ### Claim 3 (depends on 1) The vehicle control system according to claim 1, wherein the control device decreases the degree of suppressing the behavior change of the vehicle by the actuator, when the temperature in the tread of the tire detected by the temperature detecting device is relatively low, compared to a case where the temperature in the tread of the tire is relatively high. ### Claim 4 (depends on 1) The vehicle control system according to claim 1, wherein the control device increases the degree of suppressing the behavior change of the vehicle by the actuator, as the temperature in the tread of the tire detected by the temperature detecting device is high, and decreases the degree of suppressing the behavior change of the vehicle by the actuator, as the temperature in the tread of the tire detected by the temperature detecting device is low. ### Claim 5 (canceled) ### Claim 6 (depends on 1) The vehicle control system according to claim 1, wherein the actuator can change the degree of suppressing the behavior change of the vehicle by changing a steering characteristic of the vehicle. ### Claim 7 (depends on 1) The vehicle control system according to claim 1, wherein the actuator can change the degree of suppressing the behavior change of the vehicle by changing a suspension characteristic of the vehicle. ### Claim 8 (depends on 1) The vehicle control system according to claim 1, wherein the actuator can steer the wheel according to a steering torque inputted to a steering member, and the control device controls the actuator so as to decrease a turning amount of the wheel to the steering torque inputted to the steering member, when the temperature in the tread of the tire detected by the temperature detecting device is relatively high, compared to the case in which the temperature in the tread of the tire is relatively low. ### Claim 9 (depends on 1) The vehicle control system according to claim 1, wherein the actuator can change a slip angle balance between a slip angle of a front wheel and a slip angle of a rear wheel of the vehicle, and the control device controls the actuator so as to adjust the slip angle balance, and increases the degree of suppressing the behavior change of the vehicle by the actuator, when the temperature in the tread of the tire detected by the temperature detecting device is relatively high, compared to the case in which the temperature in the tread of the tire is relatively low. ### Claim 10 (depends on 1) The vehicle control system according to claim 1, wherein the actuator can change the slip angle of the rear wheel of the vehicle, and the control device controls the actuator so as to increase the slip angle of the rear wheel of the vehicle, when the temperature in the tread of the tire detected by the temperature detecting device is relatively high, compared to the case in which the temperature in the tread of the tire is relatively low. ### Claim 11 (depends on 1) The vehicle control system according to claim 1, wherein the control device controls the actuator so as to change the degree of suppressing the behavior change of the vehicle based on cornering power or self-aligning power of the wheel that reduces with the increase in the temperature in the tread of the tire. ### Claim 12 (depends on 1) The vehicle control system according to claim 1, further comprising: an adjusting device capable of adjusting the temperature in the tread of the tire, wherein the control device controls the adjusting device so as to adjust the temperature in the tread of the tire to be a temperature equal to or higher than a predetermined temperature set in advance. ### Claim 13 (canceled) ### Claim 14 A control device that controls an actuator, which can adjust a behavior of a vehicle, according to a temperature in the tread of a tire detected by a temperature detecting device that detects the temperature in the tread of the tire on a wheel of the vehicle, in order to increase a degree of suppressing a behavior change of the vehicle by the actuator, when the temperature in the tread of the tire detected by the temperature detecting device is relatively high, compared to a case where the temperature in the tread of the tire is relatively low. ### Claim 15 (canceled) ### Claim 16 (depends on 3) The vehicle control system according to claim 3, wherein the control device increases the degree of suppressing the behavior change of the vehicle by the actuator, as the temperature in the tread of the tire detected by the temperature detecting device is high, and decreases the degree of suppressing the behavior change of the vehicle by the actuator, as the temperature in the tread of the tire detected by the temperature detecting device is low. ### Claim 17 (depends on 3) The vehicle control system according to claim 3, wherein the actuator can change the degree of suppressing the behavior change of the vehicle by changing a steering characteristic of the vehicle. ### Claim 18 (depends on 4) The vehicle control system according to claim 4, wherein the actuator can change the degree of suppressing the behavior change of the vehicle by changing a steering characteristic of the vehicle. ### Claim 19 (depends on 3) The vehicle control system according to claim 3, wherein the actuator can change the degree of suppressing the behavior change of the vehicle by changing a suspension characteristic of the vehicle. ### Claim 20 (depends on 4) The vehicle control system according to claim 4, wherein the actuator can change the degree of suppressing the behavior change of the vehicle by changing a suspension characteristic of the vehicle. ### Claim 21 (depends on 6) The vehicle control system according to claim 6, wherein the actuator can change the degree of suppressing the behavior change of the vehicle by changing a suspension characteristic of the vehicle. ### Claim 22 (depends on 3) The vehicle control system according to claim 3, wherein the actuator can steer the wheel according to a steering torque inputted to a steering member, and the control device controls the actuator so as to decrease a turning amount of the wheel to the steering torque inputted to the steering member, when the temperature in the tread of the tire detected by the temperature detecting device is relatively high, compared to the case in which the temperature in the tread of the tire is relatively low. ### Claim 23 (depends on 4) The vehicle control system according to claim 4, wherein the actuator can steer the wheel according to a steering torque inputted to a steering member, and the control device controls the actuator so as to decrease a turning amount of the wheel to the steering torque inputted to the steering member, when the temperature in the tread of the tire detected by the temperature detecting device is relatively high, compared to the case in which the temperature in the tread of the tire is relatively low. ### Claim 24 (depends on 6) The vehicle control system according to claim 6, wherein the actuator can steer the wheel according to a steering torque inputted to a steering member, and the control device controls the actuator so as to decrease a turning amount of the wheel to the steering torque inputted to the steering member, when the temperature in the tread of the tire detected by the temperature detecting device is relatively high, compared to the case in which the temperature in the tread of the tire is relatively low.