发明名称 |
Method and apparatus for learning an initial value of hydraulic pressure for upshift control of an automatic transmission |
摘要 |
When a delay period (torque phase period) from a shift start point to a shift begin point of an automatic transmission becomes excessively long, an initial value of hydraulic pressure is forcibly learned such that the torque phase period remains at an appropriate level in accordance with a running state of a vehicle.
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申请公布号 |
US6925863(B2) |
申请公布日期 |
2005.08.09 |
申请号 |
US20030747886 |
申请日期 |
2003.12.29 |
申请人 |
HYUNDAI MOTOR COMPANY |
发明人 |
JEON BYEONG WOOK |
分类号 |
F16H61/04;F16H61/00;F16H61/06;F16H61/10;F16H61/686;F16H63/02;G01L3/26;G01M13/02;G05B15/00;(IPC1-7):G01M13/02 |
主分类号 |
F16H61/04 |
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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