JPH0343068U - - Google Patents
Info
- Publication number
- JPH0343068U JPH0343068U JP1989104599U JP10459989U JPH0343068U JP H0343068 U JPH0343068 U JP H0343068U JP 1989104599 U JP1989104599 U JP 1989104599U JP 10459989 U JP10459989 U JP 10459989U JP H0343068 U JPH0343068 U JP H0343068U
- Authority
- JP
- Japan
- Prior art keywords
- brake
- engine
- control
- drive wheel
- condition
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Description
第１図は本考案の車両用トラクシヨン制御装置
を示すクレーム対応図、第２図は実施例の車両用
トラクシヨン制御装置が適用された後輪駆動車の
制駆動系制御システム全体図、第３図は制駆動系
制御システムのブレーキ液圧制御系を示す油圧回
路図、第４図はスロツトル制御とブレーキ制御に
よるトラクシヨン基本制御作動を示すブロツク図
、第５図はエンスト回避ブレーキ制御作動の流れ
を示すフローチヤート、第６図は高μ路加速走行
時でアクセルの急踏み操作により駆動輪である後
輪にスリツプが発生した場合の車輪速、スロツト
ル開度、ブレーキ液圧、エンジン回転数の各特性
を示すタイムチヤートである。
ａ……スロツトルバルブ、ｂ……バルブアクチ
ユエータ、ｃ……ホイールシリンダ、ｄ……ブレ
ーキアクチユエータ、ｅ……駆動輪スリツプ検出
手段、ｆ……スロツトル制御手段、ｇ……ブレー
キ制御手段、ｈ……エンジン状態検出手段、ｉ…
…エンスト回避ブレーキ制御手段。
Fig. 1 is a complaint correspondence diagram showing the vehicular traction control device of the present invention, Fig. 2 is an overall diagram of a brake/drive system control system for a rear wheel drive vehicle to which the vehicular traction control device of the embodiment is applied, and Fig. 3 Figure 4 is a hydraulic circuit diagram showing the brake fluid pressure control system of the brake drive system control system, Figure 4 is a block diagram showing basic traction control operation using throttle control and brake control, and Figure 5 shows the flow of engine stall avoidance brake control operation. The flowchart, Figure 6, shows the characteristics of wheel speed, throttle opening, brake fluid pressure, and engine speed when slip occurs in the rear driving wheel due to a sudden pedal operation when accelerating on a high μ road. This is a time chart showing. a...Throttle valve, b...Valve actuator, c...Wheel cylinder, d...Brake actuator, e...Drive wheel slip detection means, f...Throttle control means, g...Brake control Means, h...Engine state detection means, i...
...Brake control means to avoid engine stall.
Claims (1)
閉駆動させるバルブアクチユエータと、 エンジン駆動輪のホイールシリンダにブレーキ
操作とは無関係にブレーキ液圧を供給して制動力
を付与するブレーキアクチユエータと、 エンジン駆動輪のスリツプ状況を検出する駆動
輪スリツプ検出手段と、 実駆動輪スリツプがスロツトル制御条件を満た
す時、スロツトルバルブを開閉する制御指令を前
記バルブアクチユエータに出力するスロツトル制
御手段と、 実駆動輪スリツプがブレーキ制御条件を満たす
時、エンジン駆動輪へ制動力を付与する制御指令
を前記ブレーキアクチユエータに出力するブレー
キ制御手段と、 エンストの発生予測を検出するエンジン状態検
出手段と、 エンスト発生が予測される時、ブレーキ制御を
液圧の減圧を含んでブレーキ制御禁止指令を出力
するエンスト回避ブレーキ制御手段と、 を備えている事を特徴とする車両用トラクシヨン
制御装置。[Claims for Utility Model Registration] A valve actuator that opens and closes a slot valve independently of accelerator operation, and a brake fluid pressure applied to wheel cylinders of engine-driven wheels independently of brake operation to provide braking force. a brake actuator; a drive wheel slip detection means for detecting a slip condition of an engine drive wheel; and when the actual drive wheel slip satisfies a throttle control condition, outputs a control command to open and close a throttle valve to the valve actuator. a throttle control means for outputting a control command to the brake actuator to apply braking force to the engine-driven wheels when the actual drive wheel slip satisfies a brake control condition; and a brake control means for detecting a prediction of the occurrence of an engine stall. A vehicle traction device comprising: engine condition detection means; and engine stall avoidance brake control means for outputting a brake control prohibition command including hydraulic pressure reduction when an engine stall is predicted. Control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989104599U JPH0343068U (en) | 1989-09-06 | 1989-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989104599U JPH0343068U (en) | 1989-09-06 | 1989-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0343068U true JPH0343068U (en) | 1991-04-23 |
Family
ID=31653390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989104599U Pending JPH0343068U (en) | 1989-09-06 | 1989-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343068U (en) |
-
1989
- 1989-09-06 JP JP1989104599U patent/JPH0343068U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU613342B2 (en) | Brake vacuum modulator traction control with pressure source variable as function of engine load during incipient wheel spin conditions | |
| GB2311344A (en) | Preventing rolling away of a vehicle | |
| US3947073A (en) | Device for reducing the braking effect of the engine of a motor vehicle equipped with an anti-skid braking system | |
| US6301541B1 (en) | Braking force control apparatus for vehicle | |
| KR100395025B1 (en) | How to improve braking power of car | |
| JPH1059150A (en) | Emergency brake support controller | |
| JPH0343545U (en) | ||
| KR100250203B1 (en) | Air intake manifold retractable engine brake | |
| KR100231566B1 (en) | Intake adjusting apparatus of engine for a vehicle | |
| KR200170691Y1 (en) | Separate clutch brake device | |
| KR970040529A (en) | Automatic parking brake system | |
| KR970010132B1 (en) | Emergency braking device | |
| JPS63215434A (en) | Power transmission control method for part time four-wheel-drive automobile with antiskid device | |
| JPS6313377U (en) | ||
| JPH0185175U (en) | ||
| JPS62115934U (en) | ||
| JPS6247463U (en) | ||
| JPS63130367U (en) | ||
| JPS61103267U (en) | ||
| JPS62167935U (en) | ||
| JPH0284764U (en) | ||
| JPS62181465U (en) | ||
| JPS6345364U (en) | ||
| KR970027902A (en) | Clutch operating system when braking | |
| JPS6187133U (en) |