发明名称 |
Real time transmission shift quality detection and evaluation utilizing transmission output shaft acceleration |
摘要 |
A shift quality error detection system for an automatic transmission includes a vehicle acceleration determination module to determine a vehicle acceleration. An acceptance window module defines upper and lower limits of a desired vehicle acceleration. The shift quality error detection module compares the determined vehicle acceleration to the upper and lower limits of the desired vehicle acceleration. A shift quality error detection module selectively provides a shift quality error based on the comparison. A method of detecting shift quality error of an automatic transmission comprises determining a vehicle acceleration during a transmission gear shift. The method also includes comparing the vehicle acceleration to an acceptance window of desired vehicle accelerations and outputting an error signal based on the acceleration comparison.
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申请公布号 |
US8346444(B2) |
申请公布日期 |
2013.01.01 |
申请号 |
US20080041286 |
申请日期 |
2008.03.03 |
申请人 |
GM GLOBAL TECHNOLOGY OPERATIONS LLC;FAYYAD HAYTHAM A.;MAYHEW WILLIAM R. |
发明人 |
FAYYAD HAYTHAM A.;MAYHEW WILLIAM R. |
分类号 |
B60W10/00;F16H59/48;G06F17/00;G06F19/00 |
主分类号 |
B60W10/00 |
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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