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US 9,168,914 B2Granted
Vehicle engine and electric machine control
AssigneeFord Global Technologies, LLC
InventorsDouglas Raymond Martin, Kenneth James Miller
Life of this patent
Estimating the term…
Abstract
A vehicle having an engine, an electric machine, a traction battery configured to supply power to the electric machine; and at least one controller is provided. The at least one controller is programmed to apply a filter to a requested engine power. The filter has a filter effect responsive to a difference between an actual and filtered driver demand such that the filter effect increases as the difference decreases to reduce rates of change in engine power output to satisfy the actual driver demand.
Claims16
A powertrain control system comprising:
- a controller programmed to
- apply a filter to a requested engine power increase having a filter effect responsive to changes in power requests such that the filter effect increases as a difference between the power requests and a filtered power request decreases, reducing a rate of change in engine power to satisfy the power requests, and
- operate an electric machine based on a difference between the requested engine power increase and filtered requested engine power.
A vehicle comprising:
- an engine;
- an electric machine;
- a traction battery;
- and
- a controller programmed to
- apply a filter, having a filter effect responsive to a difference between actual and filtered driver demands, to a requested engine power such that the filter effect increases as the difference decreases to reduce engine power output rates of change to satisfy the actual driver demand, and
- command traction battery power for the electric machine based on the difference.
4 more elements
A method comprising:
- applying a filter to an engine power request to generate a filtered engine power request having a filtering effect responsive to a difference between an actual and filtered driver demand such that the filtering effect increases as the difference decreases;
- operating an engine to satisfy the filtered engine power request;
- and
- operating an electric machine in response to a deficit between the engine power request and the filtered engine power request.
1 more element
Dependencies are inferred from the claim text.