Charge control system for mobile energy storage fleet
Vehicle control systems can include one or more location sensors, an energy storage device, one or more charge sensors and one or more vehicle computing devices. The location sensor(s) can determine a current location of a vehicle, while the charge sensor(s) can determine a current state of charge of an energy storage device that can be located onboard the vehicle to provide operating power for one or more vehicle systems. The vehicle computing device(s) can communicate the current location of the vehicle and current state of charge of the energy storage device to a remote computing device, receive from the remote computing device a charging control signal determined, at least in part, from the current location of the vehicle and the current state of charge of the energy storage device, and control charging of the energy storage device in accordance with the charging control signal.
1. A vehicle control system, comprising:
one or more location sensors for determining a current location of a vehicle;
an energy storage device located onboard the vehicle and configured to provide operating power for one or more vehicle systems;
one or more charge sensors configured to determine a current state of charge of the energy storage device; and
one or more vehicle computing devices configured to:
communicate the current location of the vehicle and the current state of charge of the energy storage device to one or more remote computing devices located remotely from the vehicle;
receive, from the one or more remote computing devices, a command control signal assigning the vehicle to a first plurality of vehicles for operating in a service mode for providing a transportation service to end users or a second plurality of vehicles for operating in a charging mode to control charging of the energy storage device;
receive, from the one or more remote computing devices, when the command control signal assigns the vehicle to the second plurality of vehicles, a charging control signal determined, at least in part, from the current location of the vehicle and the current state of charge of the energy storage device; and
control charging of the energy storage device in accordance with the charging control signal.
2. The vehicle control system of claim 1 , wherein the charging control signal is further determined, at least in part, from one or more electric grid signals indicating a current status or power pricing information for an electric grid.
3. The vehicle control system of claim 1 , wherein the charging control signal is further determined, at least in part, from one or more service requests that request operation of the vehicle for providing a vehicle service to one or more end users.
4. The vehicle control system of claim 1 , wherein the charging control signal comprises location instructions determining a charging structure location for charging the vehicle.
5. The vehicle control system of claim 4 , wherein the vehicle comprises an autonomous vehicle and wherein the vehicle further comprises an autonomy system configured to control one or more vehicle navigation functions for maneuvering the vehicle to the charging structure location for the vehicle specified in the location instructions of the charging control signal.
6. The vehicle control system of claim 1 , wherein the charging control signal comprises charging mode instructions indicating one of a positive charging mode during which a charge level of the energy storage device increases or a negative charging mode during which the charge level of the energy storage device decreases.
7. The vehicle control system of claim 1 , wherein the charging control signal comprises one or more of authorization instructions to initiate a start of charging for each energy storage device or to request not charging for each energy storage device, location instructions for determining a charging structure for charging each vehicle, charging mode instructions specifying a positive charging mode for energy consumption from an electric grid or a negative charging mode for energy generation to the electric grid, charging time instructions for determining a charging start time or a charging stop time, rate of charge instructions that specify a current rate of charge for charging each energy storage device, and target state of charge instructions that specify a target state of charge desired for the energy storage device.
8. The vehicle control system of claim 1 , further comprising a grid-tie inverter coupled to the energy storage device for providing an interface between the energy storage device and a charge controller.
9. The vehicle control system of claim 1 , further comprising:
one or more of an internal combustion engine or a turbine engine provided as part of a powertrain system for the vehicle; and
an electric generator coupled to the internal combustion engine or turbine engine for charging the energy storage device during operation of the vehicle.
10. An autonomous electric vehicle, comprising:
an autonomy system configured to plan motion of the autonomous electric vehicle based, at least in part, on predicted position and movement of nearby detected objects and to navigate the autonomous electric vehicle with minimal human-driver intervention;
one or more location sensors for determining a current location of the autonomous electric vehicle;
an energy storage device located onboard the autonomous electric vehicle and configured to provide operating power for one or more vehicle systems;
one or more charge sensors configured to determine a current state of charge of the energy storage device; and
one or more vehicle computing devices configured to:
communicate the current location of the autonomous electric vehicle and the current state of charge of the energy storage device to one or more remote computing devices located remotely from the autonomous electric vehicle;
receive, from the one or more remote computing devices, a command control signal assigning the autonomous electric vehicle to a first plurality of vehicles for operating in a service mode for providing a transportation service to end users or a second plurality of vehicles for operating in a charging mode to control charging of the energy storage device;
receive, from the one or more remote computing devices, when the command control signal assigns the autonomous electric vehicle to the second plurality of vehicles, a charging control signal determined, at least in part, from the current location of the autonomous electric vehicle and the current state of charge of the energy storage device;
coordinate with the autonomy system for maneuvering the autonomous electric vehicle to a charging location specified in location instructions of the charging control signal; and
control charging of the energy storage device in accordance with the charging control signal.
11. The autonomous electric vehicle of claim 10 , wherein the charging control signal is further determined, at least in part, from one or more electric grid signals indicating a current status or power pricing information for an electric grid.
12. The autonomous electric vehicle of claim 10 , wherein the charging control signal is further determined, at least in part, from service request data associated with one or more service requests that request operation of the electric autonomous vehicle for providing a transportation service to one or more end users.
13. The autonomous electric vehicle of claim 10 , wherein the charging control signal comprises charging mode instructions indicating one of a positive charging mode during which a charge level of the energy storage device increases or a negative charging mode during which the charge level of the energy storage device decreases.
14. The autonomous electric vehicle of claim 10 , wherein the charging control signal comprises one or more of authorization instructions to initiate a start of charging for the energy storage device or to request not charging for the energy storage device, location instructions for determining a charging structure for charging each autonomous electric vehicle, charging mode instructions specifying a positive charging mode for energy consumption from the electric grid or a negative charging mode for energy generation to the electric grid, charging time instructions for determining a charging start time or a charging stop time, rate of charge instructions that specify a current rate of charge for charging each energy storage device, and target state of charge instructions that specify a target state of charge desired for the energy storage device.
15. The autonomous electric vehicle of claim 10 , further comprising a grid-tie inverter coupled to the energy storage device for providing an interface between the energy storage device and a charge controller.
16. The autonomous electric vehicle of claim 10 , further comprising a kilowatt meter to measure and monitor bi-directional quantities of energy flow indicative of consumption of power by the energy storage device and generation of power from the energy storage device to an electric grid.
17. The autonomous electric vehicle of claim 10 , further comprising:
one or more of an internal combustion engine or a turbine engine provided as part of a powertrain system for the autonomous electric vehicle; and
an electric generator coupled to the internal combustion engine or turbine engine for charging the energy storage device during operation of the autonomous electric vehicle.
18. A vehicle computing system comprising:
one or more processors; and
one or more non-transitory computer-readable media that store instructions that, when executed by the one or more processors, cause the vehicle computing system to perform operations, the operations comprising:
communicating a current location of a vehicle to one or more remote computing devices located remotely from the vehicle;
communicating a current state of charge of an energy storage device located onboard the vehicle to the one or more remote computing devices located remotely from the vehicle;
communicating a current operational status of the vehicle to the one or more remote computing devices located remotely from the vehicle;
receiving, from the one or more remote computing devices, a command control signal assigning the vehicle to a first plurality of vehicles for operating in a service mode for providing a transportation service to end users or a second plurality of vehicles for operating in a charging mode to control charging of the energy storage device;
receiving, from the one or more remote computing devices, when the command control signal assigns the vehicle to the second plurality of vehicles, a charging control signal determined, at least in part, from the current location of the vehicle, the current state of charge of the energy storage device, and the current operational status of the vehicle; and
controlling charging of the energy storage device in accordance with the charging control signal.
19. The vehicle computing system of claim 18 , wherein the current operational status of the vehicle comprises a mode determined from a plurality of modes comprising a charging mode and a service mode for providing a transportation service to one or more end users.
20. The vehicle computing system of claim 18 , wherein the charging control signal comprises one or more of authorization instructions to initiate a start of charging for the energy storage device or to request not charging for the energy storage device, location instructions for determining a charging structure for charging each autonomous electric vehicle, charging mode instructions specifying a positive charging mode for energy consumption from the electric grid or a negative charging mode for energy generation to the electric grid, charging time instructions for determining a charging start time or a charging stop time, rate of charge instructions that specify a current rate of charge for charging each energy storage device, and target state of charge instructions that specify a target state of charge desired for the energy storage device.