JPH0385226U - - Google Patents
Info
- Publication number
- JPH0385226U JPH0385226U JP14714989U JP14714989U JPH0385226U JP H0385226 U JPH0385226 U JP H0385226U JP 14714989 U JP14714989 U JP 14714989U JP 14714989 U JP14714989 U JP 14714989U JP H0385226 U JPH0385226 U JP H0385226U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- output
- constant speed
- speed traveling
- program run
- 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
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 230000007257 malfunction Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案に係る一実施例を示すシステム
図、第２図は自動定速走行装置のアクチユエータ
を示す図、第３図は作動禁止回路を示す図、第４
図は従来例を示す図である。
４……スロツトル弁、７……アクチユエータ、
８……マイクロコンピユータ、９……作動禁止回
路、１０……暴走監視回路、１１……カウンタ、
２２……アンドゲート、２３……インバータ、３
２……エアポンプ。
FIG. 1 is a system diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing an actuator of an automatic constant speed traveling system, FIG. 3 is a diagram showing an operation prohibition circuit, and FIG.
The figure shows a conventional example. 4... Throttle valve, 7... Actuator,
8...Microcomputer, 9...Operation prohibition circuit, 10...Runaway monitoring circuit, 11...Counter,
22...AND gate, 23...Inverter, 3
2...Air pump.
Claims (1)
れるマイクロコンピユータの正常動作時に周期的
に出力されるプログラムラン信号を入力し、該プ
ログラムラン信号の異常時にリセツト信号をマイ
クロコンピユータに出力して、マイクロコンピユ
ータをリセツトする暴走監視回路を有するものに
おいて、前記リセツト信号の出力回数を計数する
計数手段と、その計数値が所定値に達したときに
自動定速走行装置の作動を禁止する作動禁止手段
とを設けたことを特徴とする自動車用マイクロコ
ンピユータの誤動作防止装置。 A program run signal that is periodically output during normal operation of the microcomputer used to control the engine and automatic constant speed traveling device is input, and when the program run signal is abnormal, a reset signal is output to the microcomputer. The computer includes a runaway monitoring circuit that resets the computer, and includes a counting means for counting the number of times the reset signal is output, and an operation inhibiting means for prohibiting the automatic constant speed traveling device from operating when the counted value reaches a predetermined value. A malfunction prevention device for a microcomputer for an automobile, characterized in that it is provided with the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14714989U JPH0385226U (en) | 1989-12-22 | 1989-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14714989U JPH0385226U (en) | 1989-12-22 | 1989-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0385226U true JPH0385226U (en) | 1991-08-29 |
Family
ID=31693680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14714989U Pending JPH0385226U (en) | 1989-12-22 | 1989-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0385226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0991171A (en) * | 1995-09-20 | 1997-04-04 | Sharp Corp | Runaway detection and recovery system |
| US11099920B2 (en) | 2019-01-16 | 2021-08-24 | Toyota Jidosha Kabushiki Kaisha | In-vehicle system, wireless communication device, and control method |
-
1989
- 1989-12-22 JP JP14714989U patent/JPH0385226U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0991171A (en) * | 1995-09-20 | 1997-04-04 | Sharp Corp | Runaway detection and recovery system |
| US11099920B2 (en) | 2019-01-16 | 2021-08-24 | Toyota Jidosha Kabushiki Kaisha | In-vehicle system, wireless communication device, and control method |
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