Fca US LLC

Joydip Saha

Joseph B Adams

David R Pedro

Travis T Hamilton

Basil M Khaja

Nikhil Patil

Arab Alsharif

Geoffrey Giese

Paul Milligan

Ganapathy Machamada Somaiah

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.

Techniques to regulate charging with an alternator and a battery to minimize vehicle fuel consumption

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Troy, MI, United States of America

Joydip Saha