JPH02310137A - Communication system of electronic equipment for automobile - Google Patents
Communication system of electronic equipment for automobileInfo
- Publication number
- JPH02310137A JPH02310137A JP13182189A JP13182189A JPH02310137A JP H02310137 A JPH02310137 A JP H02310137A JP 13182189 A JP13182189 A JP 13182189A JP 13182189 A JP13182189 A JP 13182189A JP H02310137 A JPH02310137 A JP H02310137A
- Authority
- JP
- Japan
- Prior art keywords
- electronic equipment
- sensor
- rotation speed
- information
- electronic device
- 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
- 230000002596 correlated effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 18
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000454 anti-cipatory effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
- Selective Calling Equipment (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野〕
この発明は、自動車等の車両に搭載する電子装置の情報
通信システムに関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an information communication system for an electronic device mounted on a vehicle such as an automobile.
〔従来の技術］
従来、ごの種の電子制御装置としては第３しＩに、■く
ずものがあった。図におい′ζ、１，１ａは車両の各箇
所に配置されている電子装置、２．２ａ。[Prior Art] Conventionally, there has been a type of electronic control device called ``Kuzumo''. In the figure, 'ζ, 1 and 1a are electronic devices located at various locations on the vehicle, and 2.2a.
２ｂ、２ｃ、、２ｄ、２ｅは上記電子装置１．１ａの各
センサ、３，３ａは電子装置］、１ａからの指令によっ
て動作するアクチュエータである。2b, 2c, 2d, and 2e are sensors of the electronic device 1.1a, and 3 and 3a are actuators that operate according to commands from the electronic device 1a.
次に電子制御装置の動作について説明すると、電子装置
１，１ａは自動車の動作状態を検出するための各センサ
２．２ａ、・・・からの信号によって予め設定したプロ
グラムに応して演算を行ない、アクチュエータ３，３ａ
を駆動し自動車を走行制御する。また、電子装置１，１
ａは独立したシステムとして構成されているため、セン
”３２．２ａ。Next, to explain the operation of the electronic control device, the electronic devices 1, 1a perform calculations according to a preset program based on signals from each sensor 2.2a, . . . for detecting the operating state of the vehicle. , actuator 3, 3a
to drive and control the vehicle. In addition, electronic devices 1, 1
Since a is configured as an independent system, Sen"32.2a.
２ｂと２ｃ、２ｄ、２ｅおよびアクチエエータ３と３ａ
もそれぞれ独立した機能をもっている。2b and 2c, 2d, 2e and actuators 3 and 3a
Each also has independent functions.
〔発明が解決しようとする課題］
従来の電子制御装置は以りのように構成されているので
、電子装置に使用している特定のセンサが故障したとき
、車両を安全に制御するにはその他のセンサ信号を用い
て見込め制御する等のハックアンプ機能が必要で、その
ためにはセンサを７−重重とするなど冗長性を持たせる
必要がある。また、完全なバックアンプ機能を電子装置
に持た−ぜるためにはシステム全体の規模を大きくする
必要がある等の課題があった。[Problems to be Solved by the Invention] Conventional electronic control devices are configured as follows, so when a specific sensor used in the electronic device fails, other methods are required to safely control the vehicle. It is necessary to have a hack amplifier function such as anticipatory control using sensor signals, and for this purpose, it is necessary to provide redundancy such as using 7-weight sensors. Further, in order to provide an electronic device with a complete back amplifier function, there was a problem such as the need to increase the scale of the entire system.
この発明は、上記のような課題を解消するためになされ
たもので、システＪ、の規模を犬きくすることなくハン
クアソプ機能を持たせることのできる自動車用電子装置
の情報通信システムを得ることをｌ」的とする。This invention was made in order to solve the above-mentioned problems, and aims to provide an information communication system for automobile electronic equipment that can be provided with a hank-association function without increasing the scale of the system. l' target.
この発明に係わる自動車用電子装置の情報通信システム
は、車両に搭載される電子制御装置で、各種の電子装置
にその動作状態を検出するセン→ノと、電子装置からの
指令によって動作するアクチュエータとを有し、上記各
電子装置は各々の有する情報を相互に伝送する通信用ハ
ーネスで接続したものである。The information communication system for automobile electronic devices according to the present invention is an electronic control device installed in a vehicle, and includes a sensor that detects the operating state of various electronic devices, and an actuator that operates according to commands from the electronic devices. Each of the electronic devices is connected by a communication harness that mutually transmits information held by each device.
〔作 用］
この発明においては、特定のセンナが故障した際、別の
電子装置から−１−記故障したセンサと相関性のある情
報を入力することによって正常時と同等な制御を行なう
ことができる。[Function] In this invention, when a specific sensor is out of order, it is possible to perform the same control as in normal times by inputting information correlated with the failed sensor as described in -1- from another electronic device. can.
［実施例］
以下、この発明の一実施例を図について説明する。第１
図はこの発明による電−ｒ装置の情報通信システムのブ
ロンク図で、図について、］、ｌａ。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. 1st
The figure is a block diagram of an information communication system for electronic equipment according to the present invention.
１ｂは車両の各箇所に配置され、自動車の各制御を行な
う電子装置、２．２ａ、２ｂ、２ｃは各電子装置］、Ｉ
ａ、ｌｂの制御に使用するセンサ、３．３ａ、３ｂは各
電子装置ｔｔｌ、ｌａ、ｌｂからの指令によってそれぞ
れ動作するアクチュエータ、４は各電子装置１．ｌａ、
ｌｂ間を相互に情報通信するために接続した通信用ハー
ネスである。1b is an electronic device arranged at each location of the vehicle and performs various controls of the vehicle; 2.2a, 2b, and 2c are electronic devices], I
3.3a and 3b are actuators that operate according to commands from each electronic device ttl, la, and lb; 4 is a sensor used for controlling each electronic device 1. la,
This is a communication harness connected to mutually communicate information between lbs.
第２図に上記情報通信システムの具体的な構成回を示す
。１はエンジン制御電子装置、１ａは変速機制御電子装
置、ｌｂはブレーキ制御電子装置である。２はエンジン
の回転数を検出するエンジン回転数センサ、２ａは自動
車の速度を検出する車速センサ、２ｂは変速機のドラム
回転数を検出する変速機回転数センサ、２ｃは車輪の回
転数を検出する車輪回転数センサである。なお、４は通
信用ハーネス、５はエンジン、６は変速機、７は車輪を
示す。FIG. 2 shows the specific configuration of the information communication system. 1 is an engine control electronic device, 1a is a transmission control electronic device, and lb is a brake control electronic device. 2 is an engine rotation speed sensor that detects the engine rotation speed, 2a is a vehicle speed sensor that detects the speed of the car, 2b is a transmission rotation speed sensor that detects the drum rotation speed of the transmission, and 2c is used to detect the wheel rotation speed. This is a wheel rotation speed sensor. Note that 4 is a communication harness, 5 is an engine, 6 is a transmission, and 7 is a wheel.
次に動作について説明する。エンジン制御！ 、７装置
１は制御に使用する情報の一部としてエンジン回転数セ
ンサ２からエンジン回転数を、−力車速センザ２ａから
自動車の車速を入力すると共に、通信用ハーネス４１こ
よって変速機制御電子装置１ａにエンジン回転数情報を
送り、また、ブレーキ制御電子装置１ｂへ車速情報を送
る。上記変速機制御電子装置１ａは変速機回転数センサ
２ｂから変速機のドラＪ、回転数を入力すると共に、通
信用ハーネス４によってエンジン制御電子装置１ヘトラ
ム同転数情報を送る。また、ブレーキ制御電子装置１ｂ
は車輪回転数センサ２Ｃから車輪の回転数を入力すると
共に、通信用ハーネス４によってエンジン制御電子装置
ｌへ車輪回転数情報を送る。Next, the operation will be explained. Engine control! , 7 device 1 inputs the engine speed from the engine speed sensor 2 and the vehicle speed from the power vehicle speed sensor 2a as part of the information used for control, and also uses the communication harness 41 to input the transmission control electronic device. 1a, and also sends vehicle speed information to the brake control electronic device 1b. The transmission control electronic device 1a receives input of the transmission driver J and rotation speed from the transmission rotation speed sensor 2b, and also sends information on the same rotation speed to the engine control electronic device 1 through the communication harness 4. In addition, the brake control electronic device 1b
inputs the wheel rotation speed from the wheel rotation speed sensor 2C, and sends wheel rotation speed information to the engine control electronic device l via the communication harness 4.
一方、エンジン回転数は変速機のドラム回転数との間に
相関関係を有し、車速と車輪回転数との間においても相
関関係を有している。したがって、電子装置は常時２つ
の類似情報を人力できるため、−・方のセンサが故障し
た場合、他方のセンサ情報を使用して正常時と同等な制
御を行なうことができる。On the other hand, the engine rotation speed has a correlation with the drum rotation speed of the transmission, and also has a correlation between the vehicle speed and the wheel rotation speed. Therefore, since the electronic device can always input two pieces of similar information manually, if one of the sensors fails, the information from the other sensor can be used to perform the same control as in normal times.
なお、実施例ではエンジン回転数と変速機のドラム回転
数および車速と車輪回転数の情報の相関関係について説
明したが、例えば水温とトランスミッション油温、車速
とトランスミッション出力回転数、エンジン回転数と点
火−次信号など互いに相関関係のある情報であれば−に
記同様の作用が得られる。In addition, in the example, the correlation of information between engine speed and transmission drum speed, and vehicle speed and wheel speed was explained, but for example, the correlation between water temperature and transmission oil temperature, vehicle speed and transmission output speed, engine speed and ignition - If the information is correlated with each other, such as the next signal, the same effect as described in - can be obtained.
また、実施例では２つの電子装置間で情報の伝送を行な
う場合について説明したが、特定の電子装置のセンサが
故障して異常コードを伝送ラインに出力した時のみ他の
電子装置が頻供信号を上記の故障した電子装置へ伝送す
る方式でもよい。In addition, in the embodiment, a case was explained in which information is transmitted between two electronic devices, but only when the sensor of a specific electronic device fails and outputs an error code to the transmission line, the other electronic device receives a frequently used signal. A method may also be used in which the information is transmitted to the failed electronic device.
以−に説明したようにこの発明によれば、複数の電子装
置間が伝送ラインで接続されて相互に情報入力された情
報通信システムにおいて、特定の電子装置のセンサが故
障した際、他の電子装置から故障したセンサ“と相関関
係のある情報を入力ｊるごとによって正常時と同等の制
御が行なえるようにしたので、従来装置のようにシステ
ム規模を大きくするごとなくバックアップ機能を持たセ
るごとができ、この結果、より安全性の高い情報通信シ
ステムが得られる。As explained above, according to the present invention, in an information communication system in which a plurality of electronic devices are connected by a transmission line and input information to each other, when a sensor of a specific electronic device fails, the sensor of the other electronic device is By inputting information correlated with the failed sensor from the device, it is possible to perform the same control as in normal conditions, so it is possible to have a backup function without having to increase the system size as with conventional devices. As a result, a more secure information and communication system can be obtained.
第１図はこの発明の一実施例による自動車用電子装置の
情報通信ノステムのブロック回、第２し１は情報通信シ
ステムの具体的な構成図、第３図は従来の情報通信シス
テムのブロック回である。
１、ｌａ、Ｉｂ・・・電子装置、２〜２ｅ・・・センサ
、３．３ａ、３ｂ・・・アクチュエータ、４・・・通信
用ハーネス。
なお、図中同一符号は同−又は相当部分を示す。FIG. 1 is a block diagram of an information communication system for an electronic device for an automobile according to an embodiment of the present invention, FIG. 2 is a specific configuration diagram of an information communication system, and FIG. It is. 1, la, Ib...electronic device, 2-2e...sensor, 3.3a, 3b...actuator, 4...communication harness. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
その動作状態を検出するセンサと、電子装置からの指令
によって動作するアクチュエータとを有し、上記各電子
装置は各々の有する情報を相互に伝送する通信用ハーネ
スで接続され、特定の電子装置のセンサが故障した際、
別の電子装置から上記故障したセンサと相関性のある情
報を入力し正常時と同等な制御を可能にしたことを特徴
とする自動車用電子装置の情報通信システム。An electronic control device installed in a vehicle, which has sensors that detect the operating status of various electronic devices and actuators that operate based on commands from the electronic devices. When the sensor of a particular electronic device connected to the transmitting communication harness fails,
An information communication system for an electronic device for an automobile, characterized in that information correlated with the failed sensor is inputted from another electronic device to enable control equivalent to that in a normal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13182189A JPH02310137A (en) | 1989-05-24 | 1989-05-24 | Communication system of electronic equipment for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13182189A JPH02310137A (en) | 1989-05-24 | 1989-05-24 | Communication system of electronic equipment for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02310137A true JPH02310137A (en) | 1990-12-25 |
Family
ID=15066889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13182189A Pending JPH02310137A (en) | 1989-05-24 | 1989-05-24 | Communication system of electronic equipment for automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02310137A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416872A (en) * | 2011-10-14 | 2012-04-18 | 奇瑞汽车股份有限公司 | Method and device for acquiring vehicle speed signal for automobile combination instrument |
-
1989
- 1989-05-24 JP JP13182189A patent/JPH02310137A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416872A (en) * | 2011-10-14 | 2012-04-18 | 奇瑞汽车股份有限公司 | Method and device for acquiring vehicle speed signal for automobile combination instrument |
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