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Patent 10737577
Ford Motor Company

Control Strategy For Charging Electrified Vehicle Over Multiple Locations Of A Drive Route

A method according to an exemplary aspect of the present disclosure includes, among other things, controlling charging of a battery pack of an electrified vehicle over a plurality of charging locations of a drive route, the controlling step including scheduling charging based at least on a cost to charge at each of the plurality of charging locations and an amount of charging time available at each of the plurality of charging locations.

Slightly Less than Average Length Specification


1 Independent Claims

  • Claim 1. A method to control charging of a battery pack of an electrified vehicle over a plurality of charging locations of a drive route, comprising: scheduling charging of thevehicle, via a vehicle control system, at each of the plurality of charging locations based at least on a cost to charge at each of the plurality of charging locations and an amount of charging time available at each of the plurality of charginglocations, wherein scheduling charging includes estimating a confidence value that represents an amount of time that the vehicle control system is confident that the vehicle will be on charge at each of the plurality of charging locations whereincontrolling the charging includes executing a charge optimization sequence for determining an amount of charging that is to occur for charging the battery pack at each of the plurality of charging locations, wherein the charge optimization sequenceincludes creating a charging schedule for charging at each of the plurality of charging locationsdetermining a Route Confidence Value and an SOC Safety Margin for a remaining portion of the drive route upon arriving at a first charging location of thedrive route, determining whether the first charging location is a cheapest charging location along the drive routeand charging the battery pack to a 100% SOC if the first charging location is the cheapest charging location along the drive route.
  • Claim 9. A method to control charging of a battery pack of an electrified vehicle over a plurality of charging locations of a drive route, comprising: scheduling charging of the vehicle, via a vehicle control system, at each of the plurality ofcharging locations based at least on a cost to charge at each of the plurality of charging locations and an amount of charging time available at each of the plurality of charging locations, wherein scheduling charging includes estimating a confidencevalue that represents an amount of time that the vehicle control system is confident that the vehicle will be on charge at each of the plurality of charging locations, wherein controlling the charging includes executing a charge optimization sequence fordetermining an amount of charging that is to occur for charging the battery pack at each of the plurality of charging locations, wherein the charge optimization sequence includes creating a charging schedule for charging at each of the plurality ofcharging locationsdetermining a Route Confidence Value and an SOC Safety Margin for a remaining portion of the drive route upon arriving at a first charging location of the drive route, determining whether the first charging location is a cheapestcharging location along the drive routecalculating a distance to a next cheapest charging location if the first charging location is not the cheapest charging location along the drive routeand comprising charging the battery pack to a target SOCthat is sufficient to travel the distance to a next cheapest charging location.
  • Claim 11. A vehicle system, comprising: a battery packa charging system configured to selectively charge the battery packand a control system configured with instructions for creating a charging schedule that prioritizes charging of the batterypack at a first charging station along a drive route over charging at a second charging station of the drive route, wherein the charging schedule includes a confidence value estimation of an amount of time that the control system is confident that thevehicle will be on charge at each of the first and second charging stations, wherein the control system includes at least one control module configured to execute a charge optimization sequence for charging the battery pack along the drive route.
  • Claim 15. A method, comprising: controlling charging of a battery pack of an electrified vehicle over a plurality of charging locations of a drive route with a vehicle control system, wherein controlling the charging includes estimating a confidencevalue that represents an amount of time that the vehicle control system is confident that the vehicle will be on charge at each of the plurality of charging locations.