JPH036702U - - Google Patents
Info
- Publication number
- JPH036702U JPH036702U JP6489989U JP6489989U JPH036702U JP H036702 U JPH036702 U JP H036702U JP 6489989 U JP6489989 U JP 6489989U JP 6489989 U JP6489989 U JP 6489989U JP H036702 U JPH036702 U JP H036702U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- cpu
- backup
- starting
- engine control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Hardware Redundancy (AREA)
- Safety Devices In Control Systems (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は同上実施例のバツクアツプ移行動作を説明す
るためのフローチヤートである。
１……ＣＰＵ、２……ＣＰＵ暴走監視回路、３
……バツクアツプ回路、７……回転センサ。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a flowchart for explaining the backup transfer operation of the above embodiment. 1...CPU, 2...CPU runaway monitoring circuit, 3
...backup circuit, 7...rotation sensor.
Claims (1)
発生するエンジン制御用ＣＰＵと、エンジン回転
の有無を検出するエンジン回転検出手段と、前記
ＣＰＵの少なくとも１つのエンジン制御信号が入
力せずかつ前記エンジン回転検出手段からエンジ
ン回転有りの信号が入力した時にＣＰＵ異常と判
断しＣＰＵに代わつてエンジン始動時の予め設定
されたバツクアツプ用エンジン制御信号を発生す
るバツクアツプ回路とを備えたことを特徴とする
車両用制御装置のＣＰＵバツクアツプ装置。 an engine control CPU that generates an engine control signal in synchronization with engine starting; an engine rotation detection means that detects the presence or absence of engine rotation; A backup circuit for determining that a CPU is abnormal when a signal indicating that the engine is rotating is input from the means and generating a preset engine control signal for backup at the time of starting the engine in place of the CPU. Device CPU backup device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6489989U JPH036702U (en) | 1989-06-05 | 1989-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6489989U JPH036702U (en) | 1989-06-05 | 1989-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH036702U true JPH036702U (en) | 1991-01-23 |
Family
ID=31596243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6489989U Pending JPH036702U (en) | 1989-06-05 | 1989-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH036702U (en) |
-
1989
- 1989-06-05 JP JP6489989U patent/JPH036702U/ja active Pending
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