JPH0463857U - - Google Patents
Info
- Publication number
- JPH0463857U JPH0463857U JP10645890U JP10645890U JPH0463857U JP H0463857 U JPH0463857 U JP H0463857U JP 10645890 U JP10645890 U JP 10645890U JP 10645890 U JP10645890 U JP 10645890U JP H0463857 U JPH0463857 U JP H0463857U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- engine torque
- vehicle speed
- engine load
- predicted
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は、本考案が適用された自動車の自動変
速機の概要を示す模式図である。第２図は、本考
案に基づく制御のフロー図である。第３図は、自
動変速機の変速特性の第１例を示す図である。
１……エンジン、２……自動変速機、３……ト
ルクコンバータ、３ａ……ロツクアツプクラツチ
、４……ギア変速装置、４ａ……フアイナルドラ
イブギア、５……駆動輪、６……差動装置、７…
…コントロールユニツト、７ａ……入力回路、７
ｂ……出力回路、８……車速センサ、９……スロ
ツトル開度センサ、１０……エンジン回転数セン
サ、１１……油圧制御回路。
FIG. 1 is a schematic diagram showing an outline of an automatic transmission for an automobile to which the present invention is applied. FIG. 2 is a flow diagram of control based on the present invention. FIG. 3 is a diagram showing a first example of shift characteristics of an automatic transmission. DESCRIPTION OF SYMBOLS 1... Engine, 2... Automatic transmission, 3... Torque converter, 3a... Lock-up clutch, 4... Gear transmission, 4a... Final drive gear, 5... Drive wheel, 6... Differential Device, 7...
...Control unit, 7a...Input circuit, 7
b...Output circuit, 8...Vehicle speed sensor, 9...Throttle opening sensor, 10...Engine speed sensor, 11...Hydraulic pressure control circuit.
Claims (1)
変速特性に従つて自動的に変速動作を行う自動変
速制御手段と、特定の走行条件下に於てエンジン
負荷とエンジン回転数とに応じて予測されるエン
ジントルクを予め記憶している予測エンジントル
ク記憶手段と、実車速の変化率から与えられるエ
ンジントルクを算出する実エンジントルク算出手
段と、前記予測エンジントルク値と実エンジント
ルク値との比較に応じて前記変速特性を変更する
手段とを有することを特徴とする車両用自動変速
機の制御装置。 automatic gear shift control means that automatically shifts gears according to gear shifting characteristics preset according to vehicle speed and engine load; and automatic gear shift control means that automatically shifts gears according to gear shifting characteristics that are preset according to vehicle speed and engine load, and that are predicted according to engine load and engine rotation speed under specific driving conditions. predicted engine torque storage means that stores engine torque in advance; actual engine torque calculation means that calculates engine torque given from the rate of change in actual vehicle speed; A control device for an automatic transmission for a vehicle, comprising means for changing the speed change characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990106458U JP2572575Y2 (en) | 1990-10-10 | 1990-10-10 | Control device for automatic transmission for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990106458U JP2572575Y2 (en) | 1990-10-10 | 1990-10-10 | Control device for automatic transmission for vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0463857U true JPH0463857U (en) | 1992-05-29 |
| JP2572575Y2 JP2572575Y2 (en) | 1998-05-25 |
Family
ID=31852553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990106458U Expired - Fee Related JP2572575Y2 (en) | 1990-10-10 | 1990-10-10 | Control device for automatic transmission for vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2572575Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536140A (en) * | 1978-09-05 | 1980-03-13 | Nissan Motor Co Ltd | Gear-shift controlling apparatus of automatic transmission |
-
1990
- 1990-10-10 JP JP1990106458U patent/JP2572575Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536140A (en) * | 1978-09-05 | 1980-03-13 | Nissan Motor Co Ltd | Gear-shift controlling apparatus of automatic transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2572575Y2 (en) | 1998-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |