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公开(公告)号:US11329498B2
公开(公告)日:2022-05-10
申请号:US16989026
申请日:2020-08-10
申请人: David R Pedro , Arab Alsharif , Joydip Saha , Travis T Hamilton , Nikhil Patil , Geoffrey Giese , Basil M Khaja , Ganapathy Machamada Somaiah , Joseph B Adams , Paul Milligan
发明人: David R Pedro , Arab Alsharif , Joydip Saha , Travis T Hamilton , Nikhil Patil , Geoffrey Giese , Basil M Khaja , Ganapathy Machamada Somaiah , Joseph B Adams , Paul Milligan
IPC分类号: H02P7/14 , H02J7/14 , B60R16/033 , H02P9/48
摘要: Charging control techniques for a vehicle including an engine that drives an alternator configured to charge a battery of the vehicle comprise modeling a fuel consumption of the alternator for each load level across a range of alternator loads using an engine torque model and a set of operating parameters of the engine, determining an energy output from the alternator for each load level across the range of alternator loads, calculating a cost-to-charge metric based on the modeled alternator fuel consumption and the determined alternator energy output for each duty cycle across a range of duty cycles of the alternator, determining an optimal cost-to-charge from the calculated cost-to-charge metrics, determining a target cost-to-charge metric based on a state of charge of the battery, and operating the alternator accordingly at an optimal duty cycle based on the metrics and current engine operating conditions.