JPS6262542U

JPS6262542U -

Info

Publication number: JPS6262542U
Application number: JP15445585U
Authority: JP
Priority date: 1985-10-11
Filing date: 1985-10-11
Publication date: 1987-04-18

Description

[Brief explanation of the drawing]

第１図は本考案の構成図、第２図は本考案の第
１実施例の構成を示すブロツク図、第３図および
第４図は同第１実施例における制御回路で実行さ
れる処理を示すフローチヤート、第５図および第
６図は同第１実施例によつて制御される自動変速
機の出力軸トルクの変化と同実施例装置が行うエ
ンジン出力制御タイミングとを示す図、第７図は
本考案の第２実施例の構成を示すブロツク図、第
８図および第９図は同第２実施例における制御回
路で実行される処理を示すフローチヤート、第１
０図および第１１図は同第２実施例によつて制御
される自動変速機の出力軸トルクの変化と同実施
例装置が行うエンジン出力制御タイミングとを示
す図である。１００……自動変速機、１０１……トルクセン
サ、１０２……変化点検出手段、１０３……制御
タイミング調整手段、１０４……エンジン、１０
５……エンジン出力制御手段、１……トルクセン
サ、２……スロツトル開度センサ、３……車速セ
ンサ、４……エンジン回転数センサ、１０……変
速制御装置、２０，４０……制御回路、３１……
燃料噴射装置、３２……点火装置、３３……ＥＧ
Ｒ制御装置、３４……スロツトル開度アクチユエ
ータ、３５……スロツトルバルブ、ＴＯＵＴ……
出力軸トルク、ｔＯ……変速動作開始時点、ｔＡ
……摩擦要素の接触開始時点、ｔＢ……極小点発
生時点、ＪＳ……制御開始タイミング時間、ＴＤ
……遅れ時間。 Fig. 1 is a block diagram of the present invention, Fig. 2 is a block diagram showing the structure of the first embodiment of the present invention, and Figs. 3 and 4 show the processing executed by the control circuit in the first embodiment. FIGS. 5 and 6 are flowcharts showing changes in the output shaft torque of the automatic transmission controlled by the first embodiment and engine output control timing performed by the device of the embodiment, and FIGS. The figure is a block diagram showing the configuration of the second embodiment of the present invention, and FIGS. 8 and 9 are flowcharts showing the processing executed by the control circuit in the second embodiment.
FIG. 0 and FIG. 11 are diagrams showing changes in the output shaft torque of the automatic transmission controlled by the second embodiment and engine output control timing performed by the device of the second embodiment. 100... Automatic transmission, 101... Torque sensor, 102... Change point detection means, 103... Control timing adjustment means, 104... Engine, 10
5... Engine output control means, 1... Torque sensor, 2... Throttle opening sensor, 3... Vehicle speed sensor, 4... Engine rotation speed sensor, 10... Speed change control device, 20, 40... Control circuit , 31...
Fuel injection device, 32...Ignition device, 33...EG
R control device, 34... Throttle opening actuator, 35... Throttle valve, TOUT...
Output shaft torque, tO...At the start of gear shifting operation, tA
...Contact start point of friction element, tB...Minimum point occurrence point, JS...Control start timing time, TD
...Delay time.

Claims

[Claims for Utility Model Registration] 1. A torque sensor that detects the output shaft torque of an automatic transmission; a change point detection means for detecting the occurrence of a change point; an engine output control means for controlling the engine output in a direction that reduces the shift shock according to at least the type of shift and operating conditions during the shift; and the change inspection. and control timing adjustment means for adjusting the start time of the engine output control operation for reducing shift shock by the engine output control means based on the timing of occurrence of the predetermined change point detected by the output means. A shift shock reduction device for an automatic transmission characterized by: 2. The change point detection means detects, after the start of the gear shifting operation,
The shift shock reduction device for an automatic transmission according to claim 1, wherein the device first detects the occurrence of a minimum point at which the direction of change in output shaft torque is reversed from decrease to increase. 3. The control timing adjusting means adjusts the start timing of the engine output control operation in accordance with the elapsed time from the start of the shift operation of the automatic transmission to the occurrence of the change point. A shift shock reducing device for an automatic transmission according to claim 1 or 2 of the patent registration claim.