Vehicular communications network and methods of use and manufacture thereof

• US 10,081,357 B2
• Filed: 06/23/2016
• Issued: 09/25/2018
• Est. Priority Date: 06/23/2016
• Status: Active Grant

• Current Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Original Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Inventors: Saigusa, Shigenobu, Sugimoto, Yoichi, Medenica, Zeljko
• Primary Examiner(s): Khatib, Rami
• Application Number:
  US15/191,358
• Publication Number:
  US 20170369055A1
• Time in Patent Office: 824 Days
• Field of Search: None
• CPC Class Codes: B60W 2554/4041 Position
• CPC Class Codes: B60W 2554/80 Spatial relation or speed relative to objects
• CPC Class Codes: B60W 2554/801 Lateral distance
• CPC Class Codes: B60W 2554/804 Relative longitudinal speed
• CPC Class Codes: B60W 2556/00 Input parameters relating to data
• CPC Class Codes: B60W 2556/55 using telemetry
• CPC Class Codes: B60W 2556/65 Data transmitted between vehicles
• CPC Class Codes: B60W 2720/10 Longitudinal speed
• CPC Class Codes: B60W 30/09 Taking automatic action to avoid collision, e.g. braking and steering
• CPC Class Codes: B60W 30/095 Predicting travel path or likelihood of collision
• CPC Class Codes: B60W 30/0956 the prediction being responsive to traffic or environmental parameters
• CPC Class Codes: B60W 30/18163 Lane change; Overtaking manoeuvres
• CPC Class Codes: G08G 1/0112 from the vehicle, e.g. floating car data [FCD]
• CPC Class Codes: G08G 1/0116 from roadside infrastructure, e.g. beacons
• CPC Class Codes: G08G 1/0133 for classifying traffic situation
• CPC Class Codes: G08G 1/0141 for traffic information dissemination
• CPC Class Codes: G08G 1/096725 where the received information generates an automatic action on the vehicle control
• CPC Class Codes: G08G 1/096758 where no selection takes place on the transmitted or the received information
• CPC Class Codes: G08G 1/096775 where the origin of the information is a central station
• CPC Class Codes: G08G 1/096791 where the origin of the information is another vehicle
• CPC Class Codes: G08G 1/161 : Decentralised systems, e.g. inter-vehicle communication
• CPC Class Codes: G08G 1/164 : Centralised systems, e.g. external to vehicles
• CPC Class Codes: G08G 1/166 : for active traffic, e.g. moving vehicles, pedestrians, bikes

Abstract

Some embodiments are directed to methods and apparatus for predicting traffic conditions and controlling a host vehicle based on the predicted conditions for travel along a path. The methods and apparatus can perform the following: accessing current path data relevant to a location and speed the host vehicle; detecting data, from a vehicular communications network, from a merging vehicle intending to merge into the path of the host vehicle; detecting data, from the vehicular communications network, of preceding traffic in the path of the host vehicle; determining a speed and location of the merging vehicle from the data transmitted over the vehicle communications network; determining a speed and location of preceding traffic on the path of the host vehicle from the data transmitted over the vehicular communications network; and predicting whether the speed of the preceding traffic or the speed of the merging vehicle will slow down during the merge.

Claims

1. A vehicle control system for use with a host vehicle configured for travel along a path, and at least one source of host vehicle speed and location data, and traffic data relevant to the host vehicle'"'"'s location on the path, the vehicle control system comprising:

a processor that is configured to;

access a current host vehicle location and speed data that is provided by the at least one source,

detect, using a vehicular communications network, data from a merging vehicle intending to merge into the path of the host vehicle,

detect, using the vehicular communications network, data from preceding traffic in the path of the host vehicle,

determine a speed and location of the merging vehicle intending to merge into the path of the host vehicle from data transmitted over the vehicular communications network,

determine a speed and location of preceding traffic on the path of the host vehicle from data transmitted over the vehicular communications network, and

predict whether the speed of the preceding traffic or the speed of the merging vehicle will slow down during the merge based on statistical analysis using the speed and the location of the preceding traffic and the speed and the location of the merging vehicle, and

a vehicle controller configured to receive an instruction from the processor to control a speed of the host vehicle based on a predicted speed of preceding traffic and a predicted speed of the merging vehicle.

2. The vehicle control system of claim 1, wherein

the processor predicts a location of the merging vehicle in the path either ahead of the preceding traffic or behind the preceding traffic;

the processor predicts a slowdown of the preceding traffic if the predicted location of the merging vehicle in the path is ahead of the preceding traffic and the speed of the merging vehicle is slower than the speed of the preceding traffic; and

the vehicle controller reduces the speed of the host vehicle prior to the merging vehicle entering the path of the host vehicle.

3. The vehicle control system of claim 2, wherein

the processor is configured to determine whether a distance separating the host vehicle and a following vehicle following the host vehicle along the path of travel is less than a predetermined distance;

and

the vehicle controller is configured to receive an instruction from the processor to provide a warning to the following vehicle if the processor determines that the following vehicle is separated from the host vehicle a distance that is equal to or less than the predetermined distance.

4. The vehicle control system of claim 3, wherein the vehicle controller is configured to receive an instruction from the processor to increase a distance between the host vehicle and a lead vehicle if:

1) the processor determines that the following vehicle is separated from the host vehicle a distance that is equal to or less than the predetermined distance; and

2) the processor predicts a location of the merging vehicle in the path either ahead of the preceding traffic or behind the preceding traffic, and the processor predicts a slowdown of the preceding traffic, where the predicted location of the merging vehicle in the path is ahead of the preceding traffic and the speed of the merging vehicle is slower than the speed of the preceding traffic.

5. The vehicle control system of claim 1, wherein

the processor predicts a location of the merging vehicle in the path either ahead of the preceding traffic or behind the preceding traffic;

and

the processor predicts a slowdown of the merging vehicle if the predicted location of the merging vehicle in the path is behind the preceding traffic and the speed of the preceding traffic is slower than the speed of the merging vehicle.

6. The vehicle control system of claim 5, wherein the vehicle controller reduces the speed of the host vehicle prior to the merging vehicle entering the path of the host vehicle.

7. The vehicle control system of claim 1,

wherein the processor predicts the merging vehicle will increase speed ahead of the host vehicle, and

wherein the vehicle controller suppresses a braking actuator in the host vehicle.

8. The vehicle control system of claim 1, further comprising:

a sensor disposed at the host vehicle that is configured to sense whether at least one of the traffic vehicles is disposed in proximity to the path and determine the speed of the at least one of the traffic vehicles, the sensor providing at least one source of current path data.

9. The vehicle control system of claim 1, wherein the processor is configured to access the at least one source of the current path data wirelessly via a service provider.

10. The vehicle control system of claim 1, wherein the host vehicle, at least one of the traffic vehicles, and the merging vehicle each include a wireless transmitter, to send and receive data over the vehicular communications network and a driver vehicle interface that includes at least one of a display and an annunciator disposed at an interior of each vehicle.

11. A vehicle control system for use with a host vehicle configured for travel along a path, and at least one source of host vehicle speed and location data, and traffic data relevant to the host vehicle'"'"'s location on the path, the vehicle control system comprising:

at least one wireless transceiver that is configured to receive current path data relevant to a speed and a location of at least one traffic vehicle in traffic preceding the host vehicle and a speed and a location of a merging vehicle intending to merge into the path from a vehicular communications network;

an electronic storage medium that is configured to store at least one of the current path data, preceding traffic data, and data relevant to a merging vehicle;

a processor that is configured to;

detect, using the vehicular communications network, data from the merging vehicle intending to merge into the path of the host vehicle,

detect, using the vehicular communications network, data from proceeding traffic in the path of the host vehicle,

determine a speed and location of the preceding traffic in proximity to the path of the host vehicle from data transmitted over the vehicular communications network, and

determine a speed and location of the merging vehicle intending to merge into the path of the host vehicle relative to the speed and the location of the preceding traffic, from data transmitted over the vehicular communications network,

predict whether the speed of the preceding traffic or the speed of the merging vehicle will slow down during the merge based on a statistical calculation using the speed and the location of the merging vehicle; and

a vehicle controller configured to receive an instruction to control a speed of the host vehicle based on a predicted speed of preceding traffic and a predicted speed of the merging vehicle.

12. The vehicle control system of claim 11, wherein

the processor predicts a location of the merging vehicle in the path either ahead of the preceding traffic or behind the preceding traffic;

the processor predicts a slowdown of the preceding traffic if the predicted location of the merging vehicle in the path is ahead of the preceding traffic and the speed of the merging vehicle is slower than the speed of the preceding traffic; and

the vehicle controller reduces the speed of the host vehicle prior to the merging vehicle entering the path of the host vehicle.

13. The vehicle control system of claim 12, wherein

the processor is configured to determine whether a distance separating the host vehicle and a following vehicle following the host vehicle along the path of travel is less than a predetermined distance;

and

the vehicle controller is configured to receive an instruction from the processor to provide a warning to the following vehicle if the processor determines that the following vehicle is separated from the host vehicle a distance that is equal to or less than the predetermined distance.

14. The vehicle control system of claim 13, wherein the vehicle controller is configured to receive an instruction from the processor to increase a distance between the host vehicle and a lead vehicle if:

1) the processor determines that the following vehicle is separated from the host vehicle a distance that is equal to or less than the predetermined distance; and

2) the processor predicts a location of the merging vehicle in the path either ahead of the preceding traffic or behind the preceding traffic, and the processor predicts a slowdown of the preceding traffic, where the predicted location of the merging vehicle in the path is ahead of the preceding traffic and the speed of the merging vehicle is slower than the speed of the preceding traffic.

15. The vehicle control system of claim 11, wherein

the processor predicts a location of the merging vehicle in the path either ahead of the preceding traffic or behind the preceding traffic;

and

the processor predicts a slowdown of the merging vehicle if the predicted location of the merging vehicle in the path is behind the preceding traffic and the speed of the preceding traffic is slower than the speed of the merging vehicle.

16. The vehicle control system of claim 15, wherein the vehicle controller reduces the speed of the host vehicle prior to the merging vehicle entering the path of the host vehicle.

17. The vehicle control system of claim 11,

wherein the processor predicts the merging vehicle will increase speed ahead of the host vehicle, and

wherein the vehicle controller suppresses a braking actuator in the host vehicle.

18. The vehicle control system of claim 11, further comprising:

a sensor disposed at the host vehicle that is configured to sense whether at least one of the traffic vehicles is disposed in proximity to the path and determine the speed of the traffic vehicle, the sensor providing at least one source of current path data.

19. The vehicle control system of claim 11, wherein the processor is configured to access at least the current path data wirelessly via a service provider.

20. A method of predicting traffic conditions and controlling a host vehicle based on the predicted conditions for travel along a path, the method being implemented by a processor and a vehicle control system, the method comprising:

accessing current path data relevant to a location and speed the host vehicle;

detecting data, from a vehicular communications network, from a merging vehicle intending to merge into the path of the host vehicle;

detecting data, from the vehicular communications network, of preceding traffic in the path of the host vehicle;

determining a speed and location of the merging vehicle relative to a speed and location of preceding traffic from the data transmitted over the vehicular communications network;

predicting whether the speed of the preceding traffic or the speed of the merging vehicle will slow down during the merge based on probabilities determined based on conditions associated with the speed and the location of the merging vehicle relative to the speed and the location of the preceding traffic; and

controlling a speed of the host vehicle, based on a predicted speed of the preceding traffic and a predicted speed of the merging vehicle during the merge.