JPH0477168B2 - - Google Patents
Info
- Publication number
- JPH0477168B2 JPH0477168B2 JP61143494A JP14349486A JPH0477168B2 JP H0477168 B2 JPH0477168 B2 JP H0477168B2 JP 61143494 A JP61143494 A JP 61143494A JP 14349486 A JP14349486 A JP 14349486A JP H0477168 B2 JPH0477168 B2 JP H0477168B2
- Authority
- JP
- Japan
- Prior art keywords
- electronic control
- control device
- clutch
- emergency
- control unit
- 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.)
- Expired - Lifetime
Links
- 230000005856 abnormality Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、異常検出装置付車両のクラツチ制御
装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a clutch control device for a vehicle equipped with an abnormality detection device.
（従来の技術）
第４図には、従来の自動クラツチ装置が示され
ている。(Prior Art) FIG. 4 shows a conventional automatic clutch device.
３は、マイクロコンピユータ構成の主電子制御
装置であり、エンジン回転センサ、アクセル踏み
込み量センサ、車速センサ（いずれも図示せず）
等からの信号を入力して、それらの信号を基にし
てクラツチアクチユエータ４を電磁弁V1及び電
磁弁V2を用いて接・断制御を行なうものである。
１は、クラツチアクチユエータ４に圧力を供給す
るポンプ、２はタンクである。前述のクラツチア
クチユエータ４は、ばねバイアスされた構造で、
片側だけに圧力が加えられるタイプのものであ
り、このクラツチの接・断の制御は、電磁弁V1
及びV2がオンでクラツチ断、電磁弁V1及びV2オ
フでクラツチ接となるように行なわれる。なお、
常時断タイプのクラツチアクチユエータもある。 3 is a main electronic control device composed of a microcomputer, which includes an engine rotation sensor, an accelerator pedal depression amount sensor, and a vehicle speed sensor (all not shown).
The clutch actuator 4 is connected/disconnected using the solenoid valves V 1 and V 2 based on the input signals from the solenoid valves V 1 and V 2 .
1 is a pump that supplies pressure to the clutch actuator 4, and 2 is a tank. The aforementioned clutch actuator 4 has a spring-biased structure;
It is a type in which pressure is applied only to one side, and the connection/disconnection of this clutch is controlled by a solenoid valve V 1.
When V2 is on, the clutch is disengaged, and when solenoid valves V1 and V2 are off, the clutch is engaged. In addition,
There is also a permanently disconnected clutch actuator.
（発明が解決しようとする問題点）
このような電子制御システムは、一系統の制御
システムであり、主電子制御装置が故障又は破損
した場合には、車両はそのときの故障モードに従
つて作動してしまう。(Problems to be Solved by the Invention) Such an electronic control system is a single system control system, and if the main electronic control unit fails or is damaged, the vehicle will operate according to the failure mode at that time. Resulting in.
例えば、前述の自動クラツチ装置を用いる自動
変速装置等では、停車状態の車両が不意に飛び出
てしまうことも起る。すなわち、前述の自動クラ
ツチ装置において、今、例えばクラツチ断状態
（電磁弁V1及びV2オン）で、ギヤを発進段に入れ
て発進を待機しているような状態で、主電子制御
装置３が物理的又は暴走等のソフト的な故障を発
生し、電磁弁V2がオンとなつた場合には、クラ
ツチは、クラツチスプリングのばね力によつて接
になつてしまい、ドライバーの意志に反して、車
両が飛び出してしまう。また、常時断タイプのク
ラツチアクチユエータを用いた自動クラツチ装置
においても、逆に、下り坂の走行時にクラツチが
断となれば、エンジンプレーキが効かなくなる恐
れもあつた。 For example, in an automatic transmission system using the above-mentioned automatic clutch device, a stopped vehicle may suddenly jump out. That is, in the above-mentioned automatic clutch device, if the clutch is currently in a disengaged state (electromagnetic valves V 1 and V 2 are on) and the gear is in the starting gear and waiting for start, the main electronic control unit 3 If a physical or soft failure such as runaway occurs and solenoid valve V 2 is turned on, the clutch will be brought into contact by the spring force of the clutch spring, against the driver's will. The vehicle will fly out. Furthermore, even in an automatic clutch device using a normally disengaged type clutch actuator, if the clutch becomes disengaged when traveling downhill, there is a risk that the engine brake will not be effective.
従つて、本発明の目的は、主電子制御装置が故
障等の異常が生じたときに、その異常を検出して
作動する非常用電子制御装置を設けてクラツチを
制御するときに、車速に応じてクラツチ断を行な
う異常検出装置付車両のクラツチ制御装置を提供
することにある。 Therefore, it is an object of the present invention to provide an emergency electronic control device that detects and activates the main electronic control device when an abnormality such as a failure occurs, and controls the clutch according to the vehicle speed. An object of the present invention is to provide a clutch control device for a vehicle equipped with an abnormality detection device that disengages the clutch.
（問題点を解決するための手段）
上述の目的を達成するために、本発明によれ
ば、主電子制御装置と該主電子制御装置の故障時
にこれをバツクアツプする非常用電子制御装置を
備え、これら電子制御装置によりクラツチを制御
する車両のクラツチ制御装置において、非常用電
子制御装置に主電子制御装置の故障を判別する手
段と車速信号を判別する手段とを設け、非常用電
子制御装置が主電子制御装置の故障を判別したと
き、少なくとも車速をルツクアツプし、その値が
所定値を下回つたことを検知したとき、非常用電
子制御装置からの指令でクラツチを断操作せしめ
ることを特徴とする異常検出装置付車両のクラツ
チ制御装置が提供される。(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention includes a main electronic control device and an emergency electronic control device for backing up the main electronic control device when the main electronic control device fails, In the clutch control device of a vehicle in which the clutch is controlled by these electronic control devices, the emergency electronic control device is provided with means for determining a failure of the main electronic control device and means for determining a vehicle speed signal, so that the emergency electronic control device is the main control device. When a failure of the electronic control device is determined, at least the vehicle speed is looked up, and when it is detected that the value has fallen below a predetermined value, the clutch is disengaged by a command from the emergency electronic control device. A clutch control device for a vehicle with an abnormality detection device is provided.
（作用）
主電子制御装置からの診断信号が非常用電子制
御装置に常時受信されている。診断信号から主電
子制御装置の異常が発見されると、車速センサか
らの車速が所定値以下のとき、非常用電子制御装
置は、非常用電磁弁を作動するなどによりクラツ
チを断とする。(Operation) A diagnostic signal from the main electronic control device is constantly received by the emergency electronic control device. When an abnormality in the main electronic control unit is discovered from the diagnostic signal and the vehicle speed from the vehicle speed sensor is below a predetermined value, the emergency electronic control unit disengages the clutch by activating an emergency solenoid valve or the like.
（実施例）
以下、図面を参照して、本発明の異常検出装置
付車両のクラツチ制御装置の一実施例を詳細に説
明する。(Embodiment) Hereinafter, an embodiment of the clutch control device for a vehicle equipped with an abnormality detection device of the present invention will be described in detail with reference to the drawings.
第１図は、本発明の異常検出装置付車両のクラ
ツチ制御装置の構成を示す概略ブロツク図、第２
図は、診断信号の出力波形を示す図、第３図は、
クラツチ制御装置の制御のフローチヤートであ
る。 FIG. 1 is a schematic block diagram showing the configuration of a clutch control device for a vehicle equipped with an abnormality detection device according to the present invention, and FIG.
The figure shows the output waveform of the diagnostic signal, and Figure 3 shows the output waveform of the diagnostic signal.
3 is a flowchart of the control of the clutch control device.
第１図において、ポンプ１１とタンク１２との
間には、３つの電磁弁V1，V2，V3が設けられ、
このうち電磁弁V1，V2はマイクロコンピユータ
構成の主電子制御装置１３と接続され、開閉制御
されることで、クラツチアクチユエータ１４を
断、接制御する。主電子制御装置１３は、内部に
は中央処理装置のほか、記憶装置、入出力装置な
ど、コンピユータを構成する諸装置を有するほ
か、後述する非常用電子制御装置に対して自己の
故障の診断を仰ぐための通信波形を形成する波形
形成手段とこの波形を送信する送信手段とを有す
る。 In FIG. 1, three electromagnetic valves V 1 , V 2 , V 3 are provided between the pump 11 and the tank 12,
Among these, the electromagnetic valves V 1 and V 2 are connected to a main electronic control unit 13 having a microcomputer configuration, and are controlled to open and close, thereby controlling the clutch actuator 14 to open and close. The main electronic control unit 13 has internally various devices that constitute a computer, such as a central processing unit, a storage device, an input/output device, etc., and also performs self-failure diagnosis for an emergency electronic control unit, which will be described later. The communication apparatus includes a waveform forming means for forming a communication waveform to be used for communication, and a transmitting means for transmitting this waveform.
１５は車速センサ、１６は、主電子制御装置１
３から非常用電子制御装置１７に診断信号を転送
する通信線である。非常用電子制御装置１７は、
主電子制御装置１３と同様、内部には中央処理装
置のほか、記憶装置、入出力装置など、コンピユ
ータを構成する諸装置を有するほか、主電子制御
装置１３から送られて来る主電子制御装置１３の
故障診断用波形を受信する受信手段と受信された
通信波形を診断する診断手段とを有し、また上記
車速センサと接続されるとともに、非常用電磁弁
V3と接続され、主電子制御装置１３の異常を検
出すると、電磁弁V3を駆動し、クラツチ断にす
る。 15 is a vehicle speed sensor, 16 is a main electronic control unit 1
3 to the emergency electronic control device 17. The emergency electronic control device 17 is
Similar to the main electronic control unit 13, in addition to the central processing unit, the main electronic control unit 13 has various devices constituting a computer such as a storage device and an input/output device. and a diagnostic means for diagnosing the received communication waveform, and is connected to the vehicle speed sensor, and has an emergency solenoid valve.
When an abnormality in the main electronic control unit 13 is detected, the solenoid valve V3 is driven and the clutch is disengaged.
第２図は、主電子制御装置１３と非常用電子制
御装置１７間にて取り交される診断用の通信方式
を説明するための図であり、第２図Ａは簡易ブロ
ツク図であり、第２図Ｂは、主電子制御装置１３
から発生される診断信号の出力波形を示す。出力
波形は、ハイレベルのパルス幅T1及びローレベ
ルのパルス幅T2のパルス波である。第２図Ｃは、
主電子制御装置１３から発生される前記診断信号
を受信手段にて受信される波形を示す。 FIG. 2 is a diagram for explaining a diagnostic communication method exchanged between the main electronic control unit 13 and the emergency electronic control unit 17, and FIG. 2A is a simplified block diagram. Figure 2B shows the main electronic control unit 13
2 shows the output waveform of the diagnostic signal generated from the The output waveform is a pulse wave with a high level pulse width T1 and a low level pulse width T2 . Figure 2 C is
A waveform of the diagnostic signal generated from the main electronic control unit 13 received by the receiving means is shown.
本発明においては、次の場合異常であると判断
する。 In the present invention, the following cases are determined to be abnormal.
主電子制御装置１３の波形形成手段は常時、た
とえば周期T1＝T2＝10（ｍsec）（デユーテイ50
％）のようなパルス波形が、ソフトウエア的に作
用されており、送信手段を介して非常用電子制御
装置１７方向に間断なく送られる。そしてこのパ
ルスからなる診断信号は非常用電子制御装置１７
の受信手段により受信される。非常用電子制御装
置１７の診断手段では、上記の如き診断信号が受
信手段により受信される度毎にそのパルス幅t1お
よびt2が所定の幅以内にあるか否かをチエツクし
てあり、もし幅が所定値以内でない診断信号を所
定個数受信したとき、あるいはパルスが所定個数
欠けたときには主電子制御装置１３が何等かの故
障により所定の幅を有するパルスを作成すること
ができないものと判断し、主電子制御装置１３の
異常と判定する。 The waveform forming means of the main electronic control unit 13 always has a period T 1 =T 2 =10 (msec) (duty 50 msec).
%) is operated by software and is continuously sent in the direction of the emergency electronic control device 17 via the transmitting means. The diagnostic signal consisting of this pulse is then transmitted to the emergency electronic control device 17.
is received by the receiving means. The diagnostic means of the emergency electronic control device 17 checks whether the pulse widths t 1 and t 2 are within a predetermined width each time the above-mentioned diagnostic signal is received by the receiving means, If a predetermined number of diagnostic signals whose width is not within a predetermined value are received, or if a predetermined number of pulses are missing, the main electronic control unit 13 determines that the pulse having the predetermined width cannot be created due to some kind of failure. However, it is determined that the main electronic control unit 13 is abnormal.
次に、第３図を参照して、本発明のクラツチ制
御装置の制御のフローチヤートを説明する。 Next, a flowchart of the control of the clutch control device of the present invention will be explained with reference to FIG.
キースイツチがターンオンされ主電子制御装置
１３と非常用電子制御装置１７に電圧が印加され
ると、主電子制御装置１３から診断信号が発生さ
れてまず常に非常用電子制御装置１７方向に出力
される。 When the key switch is turned on and voltage is applied to the main electronic control unit 13 and the emergency electronic control unit 17, a diagnostic signal is generated from the main electronic control unit 13 and is first always output in the direction of the emergency electronic control unit 17.
非常用電子制御装置１７は上記診断信号を読み
（ステツプａ）、診断信号が正常か異常かが判断さ
れる（ステツプｂ）。異常のときは、車速が所定
値S0、例えば８Km／ｈ以下であるか否かが判断さ
れる（ステツプｃ）。以下の場合、非常用電子制
御装置１７が非常用電磁弁V3を作動して、クラ
ツチ断にする（ステツプｄ）。 The emergency electronic control unit 17 reads the diagnostic signal (step a), and determines whether the diagnostic signal is normal or abnormal (step b). If there is an abnormality, it is determined whether the vehicle speed is less than a predetermined value S 0 , for example 8 km/h (step c). In the following cases, the emergency electronic control unit 17 operates the emergency solenoid valve V3 to disengage the clutch (step d).
また、ステツプｂにおいて異常でないと判断さ
れた場合、またステツプｃにおいて、車速が所定
値S0以上であると判断された場合は、電磁弁V3
はオフのまま維持される（ステツプｅ）。 Furthermore, if it is determined in step b that there is no abnormality, and if it is determined in step c that the vehicle speed is greater than or equal to the predetermined value S0 , the solenoid valve V3
remains off (step e).
（発明の効果）
以上のように、本発明によれば、主電子制御装
置から非常用電子制御装置への診断信号により異
常か否かが判断でき、異常の場合には、車速が所
定値以下の時にクラツチ断の制御を非常用電子制
御装置が非常用電磁弁を作動することにより行な
うことができるので、ドライバーの意思に反した
急な飛び出し等が防止できる。(Effects of the Invention) As described above, according to the present invention, it is possible to determine whether or not there is an abnormality based on the diagnostic signal from the main electronic control device to the emergency electronic control device. Since the emergency electronic control device can control the clutch disengagement by activating the emergency solenoid valve at the time of the accident, it is possible to prevent sudden lurching of the vehicle against the driver's will.
第１図は、本発明の異常検出装置付車両のクラ
ツチ制御装置の概略ブロツク図、第２図は、診断
信号の出力波形を示す図、第３図は、クラツチ制
御装置の制御のフローチヤート、第４図は、従来
技術の自動クラツチ装置の概略ブロツク図であ
る。
１１……圧力供給ポンプ、１２……タンク、１
３……主電子制御装置、１４……クラツチアクチ
ユエータ、１５……車速センサ、１６……通信
線、１７……非常用電子制御装置、V1，V2，V3
……電磁弁。
FIG. 1 is a schematic block diagram of a clutch control device for a vehicle equipped with an abnormality detection device according to the present invention, FIG. 2 is a diagram showing the output waveform of a diagnostic signal, and FIG. 3 is a flowchart of control of the clutch control device. FIG. 4 is a schematic block diagram of a prior art automatic clutch device. 11...Pressure supply pump, 12...Tank, 1
3... Main electronic control device, 14... Clutch actuator, 15... Vehicle speed sensor, 16... Communication line, 17... Emergency electronic control device, V 1 , V 2 , V 3
……solenoid valve.
Claims (1)
にこれをバツクアツプする非常用電子制御装置を
備え、これら電子制御装置によりクラツチを制御
する車両のクラツチ制御装置において、非常用電
子制御装置に主電子制御装置の故障を判別する手
段と車速信号を判別する手段とを設け、非常用電
子制御装置が主電子制御装置の故障を判別したと
き、少なくとも車速をルツクアツプし、その値が
所定値を下回つたことを検知したとき、非常用電
子制御装置からの指令でクラツチを断操作せしめ
ることを特徴とする異常検出装置付車両のクラツ
チ制御装置。1. In a clutch control device for a vehicle that is equipped with a main electronic control device and an emergency electronic control device that backs up the main electronic control device in the event of a failure, the clutch is controlled by these electronic control devices. Means for determining a failure in the control device and means for determining a vehicle speed signal are provided, and when the emergency electronic control device determines a failure in the main electronic control device, at least the vehicle speed is looked up and the value is lower than a predetermined value. 1. A clutch control device for a vehicle equipped with an abnormality detection device, characterized in that the clutch is disengaged in response to a command from an emergency electronic control device when it detects that something has happened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61143494A JPS62299440A (en) | 1986-06-19 | 1986-06-19 | Clutch control device for vehicle with malfunction detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61143494A JPS62299440A (en) | 1986-06-19 | 1986-06-19 | Clutch control device for vehicle with malfunction detecting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62299440A JPS62299440A (en) | 1987-12-26 |
| JPH0477168B2 true JPH0477168B2 (en) | 1992-12-07 |
Family
ID=15340015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61143494A Granted JPS62299440A (en) | 1986-06-19 | 1986-06-19 | Clutch control device for vehicle with malfunction detecting system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62299440A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02113128A (en) * | 1988-10-19 | 1990-04-25 | Isuzu Motors Ltd | Clutch control device for vehicle |
| DE10230774A1 (en) * | 2002-07-09 | 2004-01-22 | Zf Friedrichshafen Ag | Control system for a start-up switching element of an automated transmission or automatic transmission in emergency operation |
| JP2006170224A (en) * | 2004-12-10 | 2006-06-29 | Yamaha Motor Co Ltd | Clutch controller, clutch control method, and saddle riding type vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6060367A (en) * | 1983-09-09 | 1985-04-06 | Mazda Motor Corp | Electronic controller for automatic speed change gear |
| JPS6170649A (en) * | 1984-09-07 | 1986-04-11 | テクトロニツクス・インコーポレイテツド | Address allocation for peripheral unit |
-
1986
- 1986-06-19 JP JP61143494A patent/JPS62299440A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6060367A (en) * | 1983-09-09 | 1985-04-06 | Mazda Motor Corp | Electronic controller for automatic speed change gear |
| JPS6170649A (en) * | 1984-09-07 | 1986-04-11 | テクトロニツクス・インコーポレイテツド | Address allocation for peripheral unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62299440A (en) | 1987-12-26 |
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