System and method for stability control of vehicle and trailer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60K-028/10
B60W-010/06
B60W-010/12
B60W-010/18
출원번호
US-0372627
(2009-02-17)
등록번호
US-8244442
(2012-08-14)
발명자
/ 주소
Craig, William C
Stevens, Richard S
D'Onofrio, Thomas
Shivy, David
Disaverio, Charles T
출원인 / 주소
Lockheed Martin Corporation
대리인 / 주소
Slater & Matsil, L.L.P.
인용정보
피인용 횟수 :
68인용 특허 :
95
초록▼
A system and method for stability control of a vehicle and a trailer. The system and method can receive vehicle and trailer operating data or signals and define one of a brake-based stability control subsystem and a torque management-based stability control subsystem as the dominant stability contro
A system and method for stability control of a vehicle and a trailer. The system and method can receive vehicle and trailer operating data or signals and define one of a brake-based stability control subsystem and a torque management-based stability control subsystem as the dominant stability control system. Based on the stability control subsystem defined as the dominant stability control system, the system and method provide stability control for the vehicle and the trailer.
대표청구항▼
1. A method for electronic stability control of a wheeled tactical vehicle and a trailer coupled to the wheeled tactical vehicle, the electronic stability control method comprising: receiving substantially in real time at a state estimator of a vehicle arbiter controller, signals associated with cur
1. A method for electronic stability control of a wheeled tactical vehicle and a trailer coupled to the wheeled tactical vehicle, the electronic stability control method comprising: receiving substantially in real time at a state estimator of a vehicle arbiter controller, signals associated with current vehicle operating conditions, the current vehicle operating conditions signals including three or more of a wheel speed signal, a velocity signal, a height signal, a steering signal, a throttle signal, a roll/pitch/yaw signal, an acceleration signal, a brake pedal signal, and an active damper signal;receiving substantially in real time at the state estimator of the vehicle arbiter controller, signals associated with current trailer operating conditions, the current trailer operating conditions signals including three or more of a wheel speed signal, a velocity signal, a height signal, a roll/pitch/yaw signal, and a tongue angle signal;receiving at the state estimator of the vehicle arbiter controller a signal associated with a mobility traction control system including a mobility keypad, the signal from the mobility traction control system being indicative of a traction mode of the wheeled tactical vehicle selected by a user via the mobility keypad;providing a brake-based stability control subsystem, a torque-based stability control subsystem, and a drivetrain-based stability control subsystem;selecting one of the brake-based stability control subsystem, the torque-based stability control subsystem, and the drivetrain-based stability control subsystem as the dominant stability control system for the wheeled tactical vehicle based on the three or more received signals associated with current vehicle operating conditions, the three or more received signals associated with current trailer operating conditions, and the received signal associated with the mobility traction control system; andproviding stability control of the wheeled tactical vehicle and for the trailer coupled to the wheeled tactical vehicle based on the selected dominant stability control subsystem, while disabling the stability control subsystems not selected as dominant. 2. The method of claim 1, wherein the selecting is responsive to one or more of a trailer weight, a trailer center of gravity, a trailer tire pressure, a surface upon which the trailer is positioned, and a slope of the trailer. 3. The method of claim 1, wherein said selecting includes providing a choice of the brake-based stability control subsystem, the torque-based stability control subsystem, and the drivetrain-based stability control subsystem for selecting as the dominant stability control system. 4. The method of claim 1, further comprising selecting one or more subordinate subsystems of the wheeled tactical vehicle, and selecting one or more subordinate subsystems of the trailer. 5. A system for stability control of a tactical vehicle and a trailer physically and electrically coupled thereto, the system comprising: first receiving means for receiving three or more of a velocity signal of the tactical vehicle, speed signals from each wheel of the tactical vehicle, a height signal associated with the tactical vehicle, a steering signal associated with the tactical vehicle, a throttle signal associated with the tactical vehicle, a roll/pitch/yaw signal associated with the tactical vehicle, a brake pedal signal, an active damping signal, and at least one signal associated with a current driving condition of the tactical vehicle;second receiving means for receiving a signal from a traction control system, the signal from the traction control system being indicative of a traction mode of the tactical vehicle selected by a user;third receiving means for receiving three or more of a wheel speed of the trailer, a velocity signal of the trailer, a height signal of the trailer, a roll/pitch/yaw signal of the trailer, a trailer tongue angle, and at least one signal associated with current driving condition of the trailer;processing means for defining one of a brake-based stability control subsystem and a torque management-based stability control subsystem as the dominant stability control system of the tactical vehicle based on the signals received by said first, second, and third receiving means; andcontrolling means for providing stability control of the tactical vehicle and of the trailer based on the defined dominant stability control system. 6. The system of claim 5, further comprising damping means for providing active damping for the tactical vehicle in response to a control signal received from said controlling means. 7. The system of claim 5, wherein the at least one current driving condition signal of the tactical vehicle represents one or more of a vehicle weight, a vehicle center of gravity, a vehicle tire pressure, a surface upon which the tactical vehicle is riding, and a slope of the vehicle, andwherein the at least one signal associated with current driving condition of the trailer represents one or more of a trailer weight, a trailer center of gravity, a trailer tire pressure, a surface upon which the trailer is riding, and a slope of the trailer. 8. The system of claim 5, wherein said processing means for defining one of the brake-based stability control subsystem and the torque management-based stability control subsystem as the dominant stability control system includes providing a selection between the brake-based stability control subsystem and the torque management-based stability control subsystem. 9. The system of claim 5, wherein said processing means includes a state estimator, andwherein said controlling means includes an arbitration function. 10. A method for stability control of a wheeled vehicle and a trailer coupled thereto comprising: receiving at a controller, data associated with current vehicle operating conditions;receiving at the controller, data associated with current trailer operating conditions;providing a plurality of stability control subsystems for the wheeled vehicle, the plurality including at least a brake-based stability control subsystem and a torque management-based stability control subsystem;responsive to said received data associated with current vehicle operating conditions and said received data associated with current trailer operating conditions, automatically selecting one of the plurality as dominant; andproviding stability control of the wheeled vehicle and the trailer using the automatically selected dominant stability control system. 11. The method of claim 10, wherein said providing stability control further includes providing active damping for the wheeled vehicle. 12. The method of claim 10, wherein said data associated with vehicle operating conditions include a wheel speed signal, a velocity signal, a height signal, a steering signal, a throttle signal, a roll/pitch/yaw signal, an acceleration signal, a GPS signal, a brake pedal signal, and at least one current driving condition signal. 13. The method of claim 12, wherein the at least one current driving condition signal includes one or more of a vehicle weight, a vehicle center of gravity, a vehicle tire pressure, and a surface upon which the wheeled vehicle is riding, andwherein the at least one signal associated with current driving condition of the trailer represents one or more of a trailer weight, a trailer center of gravity, a trailer tire pressure, a surface upon which the trailer is riding, and a slope of the trailer. 14. The method of claim 10, further comprising determining which of a plurality of subsystems to invoke as subordinate based on the received data associated with current vehicle operating conditions and the received data associated with current trailer operating conditions. 15. The method of claim 10, further comprising receiving at the controller a signal from a mobility traction control system including a mobility keypad, the signal from the mobility traction control system being indicative of a traction mode of the wheeled vehicle selected by a user via the mobility keypad, wherein said automatically selecting is further based on said received signal from a mobility traction control system. 16. The method of claim 10, wherein said providing stability control includes sending output signals from the controller to one or more vehicle subsystems via a J1939 bus. 17. The method of claim 10, wherein said automatically selecting is performed by a state estimator of the arbiter controller, andwherein said providing stability control includes an arbitration function. 18. The method of claim 10, further comprising receiving at the controller GPS data, wherein said automatically selecting is further based on said received GPS data. 19. The method of claim 10, further comprising receiving at the controller weather data, wherein said automatically selecting is further based on said received weather data. 20. The method of claim 19, wherein said received weather data is based on GPS data for the wheeled vehicle.
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