Patent Number: 7,765,047

Title: Shift control method of automatic transmission

Abstract: A shift control method of an automatic transmission includes the steps of: determining whether a road has a gradient; calculating road gradient in real time; filtering the gradient; controlling shifting according to the greater of calculated and filtered gradients if the calculated gradient is negative; and controlling shifting according to the calculated gradient if the calculated gradient is positive.

Inventors: Yu; Pyung Hwan (Hwasung-si, KR)

Assignee: Hyundai Motor Company

International Classification: G06F 7/00 (20060101)

Expiration Date: 7/27/12018