发明名称 |
Shift control system of automatic transmission |
摘要 |
A standby phase target time is determined with reference to a table according to a read engine load and vehicle speed. A standby phase real time is then measured, and a learning correction value is calculated and stored. In a next shifting operation, a value that is found by adding the learning correction value to a hydraulic pressure command value in the previous shifting operation is used as a new hydraulic pressure command value. This learning correction is performed in small regions where the vehicle speed increases with the throttle opening being substantially constant. This accurately compensates a change in characteristics of a hydraulic system without being affected by a rapid change in torque or the like. |
申请公布号 |
US2002116109(A1) |
申请公布日期 |
2002.08.22 |
申请号 |
US20020040273 |
申请日期 |
2002.01.04 |
申请人 |
TAKATORI KAZUHIRO;SATO OSAMU;FUJITA YASUSHI;IMAMURA TATSUYA;FUKASAWA TOSHIHIDE |
发明人 |
TAKATORI KAZUHIRO;SATO OSAMU;FUJITA YASUSHI;IMAMURA TATSUYA;FUKASAWA TOSHIHIDE |
分类号 |
F16H61/06;F16H59/14;F16H59/44;F16H59/72;F16H61/00;F16H61/04;F16H61/08;(IPC1-7):G06F19/00 |
主分类号 |
F16H61/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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