Method of improving performance of system for controlling intermediate lock position continuously variable valve by compensating ignition timing

摘要

A method for improving performance of a system that controls a intermediate lock position continuously variable valve may include: obtaining a cam position using an engine Electronic Control Unit (ECU) that has started controlling a position of a intermediate lock position Continuously Variable Valve Timing System (CVVT); determining, using the ECU, whether the cam position corresponds to parking of the intermediate lock position CVVT; compensating an engine ignition timing to prevent cam undershoot, if it is determined that the cam position corresponds to the parking of the intermediate lock position CVVT; and returning to ignition timing control according to an engine operation condition after compensating the engine ignition timing.

主权项

1. A method for improving performance of a system that controls a intermediate lock position continuously variable valve, the method comprising:
(A) obtaining a cam position using an engine Electronic Control Unit (ECU) that has started controlling a position of a intermediate lock position Continuously Variable Valve Timing System (CVVT); (B) determining, using the ECU, whether the cam position corresponds to parking of the intermediate lock position CVVT; (C) compensating an engine ignition timing to prevent cam undershoot, if it is determined that the cam position corresponds to the parking of the intermediate lock position CVVT; and (D) returning to ignition timing control according to an engine operation condition after compensating the engine ignition timing.