发明名称 |
A method of calibrating a selected gear sensor |
摘要 |
A method of calibrating a selected gear sensor 7 in a multi-speed manual transmission (3, fig 1) having a gear shift lever (11) by which a driver may select, using an H-gate shift mechanism, various gears. A power train control module (4) has a transmission state module (5) which receives signals from the selected gear sensor 7 that is attached to transmission casing 3B. The sensor 7 is a single 2D magnetic PWM sensor array that provides based upon variations in flux of a magnetic target 8 associated with turret selector cylinder 3A. In the method the output from the selected gear sensor 7 in a gear engaging direction (Y axis) is analysed for the existence of characteristic velocities which are used to define a calibration value corresponding to a gear pull-in position OPI, EPI. The value of the calibration value is updated when a gear shift occurs and the updated value is used by a transmission state module 5 for the next gear shift to predict a next to be engaged gear. |
申请公布号 |
GB2493380(A) |
申请公布日期 |
2013.02.06 |
申请号 |
GB20110013410 |
申请日期 |
2011.08.04 |
申请人 |
FORD GLOBAL TECHNOLOGIES, LLC |
发明人 |
IAN HALLERON;MARTIN ROBEKOWSKI;THEMI PHILEMON PETRIDIS |
分类号 |
F16H59/04;F16H59/70;G01D18/00 |
主分类号 |
F16H59/04 |
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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