CACC Scenario 3:
V2I Cooperative Platooning – Arterial
V2I Cooperative Platooning – Arterial
87
Data Environment
Following Vehicle B
On-board
Sensors
Data
Collection
Data
Broadcast
Lead Vehicle
On-board
Sensors
Data
Collection
Data
Broadcast
CACC
App/ Decision Engine
Destination
Info
CACC
App/ Decision Engine
Destination
Info
1
Vehicles stopped at a red light and broadcast status information (heading, location, etc.) and (optionally)
destination information
2
Data
collected in Data Environment
3
Arterial TMC identifies queue of vehicles as a potential platoon
4
CACC application provides platoon assignments to vehicles
5
Throttle, brakes, and (optionally) steering for vehicles is now semi-autonomous; when signal turns green, all vehicles accelerate simultaneously; on-board CACC applications coordinate speed and headway adjustments
1
2
7
7
Following Vehicle A
On-board
Sensors
Data
Collection
Data
Broadcast
CACC
App/ Decision Engine
Destination
Info
3
Freeway TMC
DSS
FMS
Arterial TMC
DSS
AMS
CACC App
Data
Collection
Algorithm
4
6
As platoon advances through intersection it approaches another platoon ahead; CACC application instructs lead vehicle to join the rear of the platoon ahead
6
7
The two platoons merge and form a single platoon;
on-board CACC applications coordinate speed and headway adjustments
5
5