A Method Of Torque Control For An Engine With Valves That May Be Deactivated
First Claim
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1. A method for determining engine torque loss in an internal combustion engine for an engine controlled by a torque control strategy, the method comprising:
- determining inactive cylinder torque losses of said engine;
determining active cylinder torque losses of said engine; and
determining an engine torque loss by summing said inactive cylinder torque loss and said active cylinder torque loss.
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Abstract
A method to determine and control engine torque in an internal combustion engine. The method may significantly reduce torque strategy calculations and the calibration complexity.
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Citations
18 Claims
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1. A method for determining engine torque loss in an internal combustion engine for an engine controlled by a torque control strategy, the method comprising:
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determining inactive cylinder torque losses of said engine;
determining active cylinder torque losses of said engine; and
determining an engine torque loss by summing said inactive cylinder torque loss and said active cylinder torque loss. - View Dependent Claims (2, 3, 4, 5, 6)
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7-15. -15. (canceled)
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16. A system for operating an internal combustion engine with electromechanical valves, the system comprising:
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a cylinder with at least an electromechanical intake valve and at least an mechanically actuated exhaust valve that can be controlled to adjust valve opening and closing events relative to a crankshaft location; and
a controller to adjust said electromechanical valve timing and said mechanically actuated valve timing. - View Dependent Claims (17)
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18. A computer readable storage medium having stored data representing instructions executable by a computer to control an internal combustion engine of a vehicle, said storage medium comprising:
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instructions for determining inactive cylinder torque losses of said engine;
determining active cylinder torque losses of said engine; and
determining an engine torque loss by summing said inactive cylinder torque loss and said active cylinder torque loss.
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Specification