Vehicle intersection warning system and method with false alarm suppression
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60Q-009/00
G08G-001/16
출원번호
US-0458595
(2017-03-14)
등록번호
US-10150413
(2018-12-11)
발명자
/ 주소
Christensen, Andrew
Goudy, Roy
Probert, Neal
Chambers, Jeremy
출원인 / 주소
Nissan North America, Inc.
대리인 / 주소
Young Basile Hanlon & MacFarlane, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
58
초록▼
A method for providing information to a driver of a vehicle includes obtaining host vehicle information that describes a first path to be traversed by a host vehicle, obtaining conflicting vehicle information that describes a second path to be traversed by a potentially conflicting vehicle, wherein
A method for providing information to a driver of a vehicle includes obtaining host vehicle information that describes a first path to be traversed by a host vehicle, obtaining conflicting vehicle information that describes a second path to be traversed by a potentially conflicting vehicle, wherein the second path crosses the first path, determining a queue length representing a number of queued vehicles that are queued ahead of the host vehicle, determining a time-to-contact based on the host vehicle information and the conflicting vehicle information, and causing a warning alert to be output if the time-to-contact is less than a warning alert time value and the queue length is equal to or less than a warning alert length value.
대표청구항▼
1. A method for providing information to a driver of a vehicle, comprising: obtaining information that describes a queue of stopped vehicles that are waiting to traverse a first path, wherein the queue of stopped vehicles includes a host vehicle;obtaining conflicting vehicle information that describ
1. A method for providing information to a driver of a vehicle, comprising: obtaining information that describes a queue of stopped vehicles that are waiting to traverse a first path, wherein the queue of stopped vehicles includes a host vehicle;obtaining conflicting vehicle information that describes a second path to be traversed by a potentially conflicting vehicle, wherein the second path crosses the first path at a convergence point;determining a queue length representing a number of vehicles from the queue of stopped vehicles that are located ahead of the host vehicle;determining an anticipated travel time for travel of the potentially conflicting vehicle to the convergence point; andcausing a warning alert to be output if the anticipated travel time for travel of the potentially conflicting vehicle to the convergence point is less than a warning alert time value and only if the queue length is equal to or less than a warning alert length value. 2. The method of claim 1, wherein the conflicting vehicle information includes information indicating a geospatial state and a kinematic state for the potentially conflicting vehicle. 3. The method of claim 2, wherein the conflicting vehicle information is received at the host vehicle from the potentially conflicting vehicle. 4. The method of claim 2, wherein the geospatial state for the potentially conflicting vehicle includes geospatial coordinates. 5. The method of claim 2, wherein the kinematic state for the potentially conflicting vehicle includes at least one of a heading, a velocity, or a yaw rate. 6. The method of claim 1, wherein determining the queue length is performed using information indicating geospatial state and kinematic state for queued vehicles from the queue of stopped vehicles. 7. The method of claim 6, wherein the information indicating geospatial state and kinematic state for the queued vehicles is received at the host vehicle from the queued vehicles. 8. The method of claim 1, wherein the warning alert length value is zero. 9. The method of claim 1, further comprising: causing an informative alert to be output if the anticipated travel time for travel of the potentially conflicting vehicle to the convergence point is less than an informative alert time value, the anticipated travel time for travel of the potentially conflicting vehicle to the convergence point is greater than the warning alert time value, and only if the queue length is equal to or less than an informative alert length value. 10. A system, comprising: a wireless electronic communication device that is located in a host vehicle;one or more sensors that are located in the host vehicle;an output system that is located in the host vehicle and includes at least one of an audio output device or a visual output device; andan information system that is located in the host vehicle and is operable to execute instructions that cause the information system to: obtain information from the one or more sensors, wherein the information describes a queue of stopped vehicles that are waiting to traverse a first path, wherein the queue of stopped vehicles includes the host vehicle,obtain conflicting vehicle information that describes a second path to be traversed by a potentially conflicting vehicle, wherein the second path crosses the first path at a convergence point,determine a queue length representing a number of vehicles from the queue of stopped vehicles that are located ahead of the host vehicle,determine an anticipated travel time for travel of the potentially conflicting vehicle to the convergence point, andcause a warning alert to be output using the output system if the anticipated travel time for travel of the potentially conflicting vehicle to the convergence point is less than a warning alert time value and only if the queue length is equal to or less than a warning alert length value. 11. The system of claim 10, wherein the conflicting vehicle information includes information indicating a geospatial state and a kinematic state for the potentially conflicting vehicle. 12. The system of claim 11, wherein the conflicting vehicle information is received at the host vehicle from the potentially conflicting vehicle. 13. The system of claim 11, wherein the geospatial state for the potentially conflicting vehicle includes geospatial coordinates. 14. The system of claim 11, wherein the kinematic state for the potentially conflicting vehicle includes at least one of a heading, a velocity, or a yaw rate. 15. The system of claim 10, wherein the queue length is determined using information indicating geospatial state and kinematic state for queued vehicles from the queue of stopped vehicles. 16. The system of claim 15, wherein the information indicating geospatial state and kinematic state for the queued vehicles is received at the host vehicle from the queued vehicles. 17. The system of claim 10, wherein the warning alert length value is zero. 18. The system of claim 10, wherein the instructions further cause the information system to: cause an informative alert to be output if the anticipated travel time for travel of the potentially conflicting vehicle to the convergence point is less than an informative alert time value, the anticipated travel time for travel of the potentially conflicting vehicle to the convergence point is greater than the warning alert time value, and only if the queue length is equal to or less than an informative alert length value. 19. A system, comprising: a host vehicle that includes a wireless electronic communication device, one or more sensors that output host vehicle information, an output system that includes at least one of an audio output device or a visual output device, and an information system that is operable to execute instructions that cause the information system to: determine, based on the host vehicle information, that the host vehicle is waiting in a queue of stopped vehicles to follow a first path through a roadway intersection,determine, based on remote vehicle information obtained from remote vehicles, that a potentially conflicting vehicle will cross the first path at a convergence point,determine an anticipated travel time for travel of the potentially conflicting vehicle to the convergence point, andcause a warning alert to be output using the output system if the anticipated travel time for travel of the potentially conflicting vehicle to the convergence point is less than a warning alert time value and only if zero vehicles are present ahead of the host vehicle in the queue of stopped vehicles. 20. The system of claim 19, wherein the instructions further cause the information system to: cause an informative alert to be output using the output system if the anticipated travel time for travel of the potentially conflicting vehicle to the convergence point is less than a warning alert time value and if one or more vehicles are queued ahead of the host vehicle.
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