发明名称 |
Apparatus for controlling engine using crank signal and cam signal |
摘要 |
In an apparatus for controlling an engine, an input switching unit switches an input signal to be inputted to an input path from a crank signal to a cam signal when it is determined that the crank signal is abnormal. An event signal generating unit generates a crank-input event signal while it is determined that the crank signal is abnormal by an abnormality determining unit. The crank-input event signal has a level that repetitively changes in a predetermined direction. Each level change of the crank-input event signal is synchronized with a corresponding level change of the crank signal. A monitoring unit monitors a level change of the crank-input event signal while it is determined that the crank signal is abnormal by the abnormality determining unit. |
申请公布号 |
US8204674(B2) |
申请公布日期 |
2012.06.19 |
申请号 |
US20090424945 |
申请日期 |
2009.04.16 |
申请人 |
KONDO HARUHIKO;DENSO CORPORATION |
发明人 |
KONDO HARUHIKO |
分类号 |
G06F19/00;F02P5/15;G01M15/02;G06F11/07 |
主分类号 |
G06F19/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|