Dynamic traffic control systems
AssigneeFord Global Technologies, LLC
InventorsJovan Milivoje Zagajac, Erik Kiledal, John Walpuck, Thomas E. Apczynski
Life of this patent
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Abstract
A vehicle includes a controller. The controller is programmed to broadcast state information for the vehicle and receive state information from other vehicles; identify a contested roadway area for the vehicle and another of the vehicles based on expected future paths of the vehicle and the other vehicle calculated per the state information; and update a ledger with an indication of which of the vehicle or the other vehicle is agreed to proceed through the contested roadway area.
Claims14
A vehicle comprising:
- a controller programmed to
- broadcast state information for the vehicle and receive state information from other vehicles;
- identify a contested roadway area for the vehicle and another of the vehicles based on expected future paths of the vehicle and the other vehicle calculated per the state information;
- update a ledger with an indication of which of the vehicle or the other vehicle is agreed to proceed through the contested roadway area as well as with vehicle signals to be used for forensic analysis of operation of the vehicles at the contested roadway area, the vehicle signals indicative of steering angle, speed, and brake actions;
- and
- discard the vehicle signals by removal of the vehicle signals from the ledger responsive to the vehicle and the other vehicle successfully traversing the contested roadway area.
A method comprising:
- responsive to detecting a conflict between traffic participants for use of a contested roadway area, performing distributed conflict resolution by the traffic participants to identify an ordering of the traffic participants to have exclusive access to the contested roadway area;
- using a distributed ledger to record agreement of the traffic participants to the ordering;
- recording, into the ledger, signals representative of movement of the traffic participants within the contested roadway area;
- and
- discarding the signals by removal of the signals from the ledger responsive to the traffic participants successfully traversing the contested roadway area.
A non-transitory computer-readable medium comprising instructions of a dynamic traffic control system for performing distributed conflict resolution that, when executed by processors of traffic participants, causes the traffic participants to:
- broadcast state information for one of the traffic participants;
- receive broadcast state information from other traffic participants;
- use maintained map information to identify expected future paths of the traffic participants per the state information;
- responsive to detecting a conflict between the traffic participants for use of a contested roadway area, perform distributed conflict resolution by the traffic participants to identify an ordering of the traffic participants to have exclusive access to the contested roadway area;
- use a distributed ledger to record agreement of the traffic participants to the ordering;
- record, into the ledger, signals representative of movement of the traffic participants within the contested roadway area;
- and
- discard the signals responsive to the traffic participants successfully traversing the contested roadway area.
Dependencies are inferred from the claim text.