发明名称 |
DOUBLE TRANSITION DOWNSHIFT CONTROL METHOD FOR AN AUTOMATIC TRANSMISSION |
摘要 |
An improved control method for properly coordinating a double transition downshift. The state changes of the various clutches of the transmission are sequenced in relation to a dynamic measure of the transmission speed ratio so as to provide consistent high quality shifting. Adaptive pressure controls are employed in conjunction with the sequencing to compensate for variability. <IMAGE> |
申请公布号 |
AU630834(B2) |
申请公布日期 |
1992.11.05 |
申请号 |
AU19920010327 |
申请日期 |
1992.01.21 |
申请人 |
GENERAL MOTORS CORPORATION |
发明人 |
WILLIAM JOSEPH VUKOVICH;MELISSA MEI KOENIG;TSUNLOCK ANDREW YU |
分类号 |
F16H61/00;F16H59/46;F16H61/06;(IPC1-7):F16H61/04 |
主分类号 |
F16H61/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|