Device for determining the ignition advance angle of an internal

Details Device for determining the ignition advance angle of an internal Device for determining the ignition advance angle of an internal

1997-12-10

1999-11-30

Solis, Erick R.

Internal-combustion engines

Spark ignition timing control

Electronic control

12340626, 12340629, F02P 500

Patent

active

059923857

ABSTRACT:
A device for determining the ignition-advance angle of an internal combustion engine, having a device for determining the ignition-advance angle from stored maps on the basis of the recorded parameters of the internal combustion engine, includes a knock control device. The additive ignition-advance angle adjustment defined in the knock control device is able to be added to the ignition-advance map angle to define a base ignition-advance angle. A setpoint torque interface is supplied with the base ignition-advance angle and, at its output, supplies a torque-optimized setpoint ignition-advance angle. The torque-optimized setpoint ignition-advance angle is routed to at least one downstream limiting stage, which limits the setpoint ignition-advance angle to a value that is acceptable for the operation of the internal combustion engine. The output ignition-advance angle is available at the output of the at least one limiting stage for controlling the ignition.

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