Title:
SPEED CHANGE CONTROL METHOD AND SYSTEM FOR AUTOMATIC TRANSMISSION USING ENGINE TORQUE
Document Type and Number:
Japanese Patent JP3745313
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a speed change control method and its system for an automatic transmission using engine torque improving speed change feeling by stably controlling the engine torque, increasing flexibility in speed change control and eliminating speed change shock.
SOLUTION: The speed change control method and system are characterized by that it is judged whether or not a vehicle satisfies idling conditions of a stopped state, it is judged whether or not a transmission range change-over by a shift lever is detected, and when vehicle satisfies the idling conditions of the stopped state and the transmission range change-over by the shift lever is detected, a throttle valve opening ratio and an engine speed are detected, an engine torque control value is calculated from a map table set in regard to the transmission range change-over by the shift lever, a fuel quantity and fuel injection timing are adjusted, and the engine torque is controlled to the calculated control value.
Inventors:
Kim Jong-cheol
Application Number:
JP2002170246A
Publication Date:
February 15, 2006
Filing Date:
June 11, 2002
Export Citation:
Assignee:
HYUNDAI MOTOR COMPANY
International Classes:
B60W10/04; F02D41/04; B60K26/00; B60W10/06; B60W10/10; B60W10/11; F02D29/00; F02D31/00; F02D37/02; F02D41/02; F02D41/08; F02D41/34; F02D45/00; F16H61/02; F16H63/50; F16H59/08; F16H59/16; F16H59/24; F16H59/36; F16H59/44; F16H61/04; (IPC1-7): F02D41/04; B60K41/00; B60K41/06; F02D29/00; F02D41/08; F02D41/34; F02D45/00; F16H61/02; //F16H59:08; F16H59:16; F16H59:24; F16H59:36; F16H59:44
Domestic Patent References:
| JP9032607A |
Attorney, Agent or Firm:
Kyosei International Patent Office