Camshaft phasor control system for use in vehicle, has control module for generating raw duty cycle based on error signal, and generating modifier based on error signal and speed of camshaft relative to exhaust camshaft

摘要

The system (12) has a camshaft position sensor (36) for generating a camshaft position signal based on a position of an intake camshaft (16). A summer generates an error signal based on the camshaft position signal and a commanded position signal. A control module (40) generates a raw duty cycle based on the error signal. Another summer generates a modified duty cycle based on the raw duty cycle and a modifier, where the control module generates the modifier based on the error signal and speed of the camshaft relative to an exhaust camshaft (18). An independent claim is also included for a method for operating a camshaft phasor control system.