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US 2016/0108800 A1Published application
Wastegate actuator gain adjustment
AssigneeFord Global Technologies, LLC
InventorsYan Wang, Matthew John Gerhart
Life of this patent
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Abstract
Various methods for controlling a wastegate actuator are provided. In one example, a method comprises adjusting one or more wastegate controller gains responsive to limiting current supplied to a wastegate actuator, the current limited in response to a temperature of the wastegate actuator exceeding a threshold
Claims20
A method, comprising:
- adjusting one or more wastegate controller gains responsive to limiting current supplied to a wastegate actuator, the current limited in response to a temperature of the wastegate actuator exceeding a threshold.
A method, comprising:
- limiting current supply to a wastegate actuator responsive to a temperature condition;
- and
- adjusting one or more wastegate actuator control gains.
A boost control system, comprising:
- a turbocharger including a wastegate having a wastegate actuator coupled to a wastegate valve;
- and
- a controller operable to drive the wastegate actuator based on desired boost according to one or more control gains selected based on a temperature of the wastegate actuator.
Dependencies are inferred from the claim text.