JPS6169552U

JPS6169552U -

Info

Publication number: JPS6169552U
Application number: JP1984153133U
Authority: JP
Priority date: 1984-10-12
Filing date: 1984-10-12
Publication date: 1986-05-13

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例に係る自動変速装
置を示す概略構成図、第２図は上記自動変速装置
のシフトパターンを示す図、第３図乃至第５図は
上記自動変速装置の制御プログラムを示すフロー
チヤート、第６図は上記制御プログラムの実行に
用いられるアクセル負荷信号／時間に対応するデ
ユーテイ比のデータテーブルを示す概略図、第７
図乃至第９図はそれぞれ上記制御プログラムの選
択変速段区分において最適変速段を求める際に用
いられる車速−基本変速段、エンジン負荷−第１
補正値、エンジン回転数−第２補正値の各データ
テーブルの一例を示す概略図、第１０図はクラツ
チエア圧の経時変化の一例を示す図、第１１図は
エンジンおよびクラツチ出力軸の各回転数の経時
変化の一例を示す図、第１２図はエンジンとクラ
ツチ出力軸の回転数差の経時変化を制御すべき領
域の一例を示す図、第１３図及び第１４図はそれ
ぞれこの考案の他の実施例の動作を示すフローチ
ヤートである。３０……エンジン、３１……クラツチ、３２…
…変速機、３９……エンジン回転センサ、４２…
…エアシリンダ、４５……クラツチ回転数センサ
、４６……エア室、４７……エア通路、４９……
給気用電磁弁、５０……排気用電磁弁、５１……
ギヤシフトユニツト、５２……コントロールユニ
ツト、５５……変速段選択スイツチ、５６……ギ
ヤ位置スイツチ、７６……クラツチ摩耗ランプ。 FIG. 1 is a schematic configuration diagram showing an automatic transmission according to an embodiment of the invention, FIG. 2 is a diagram showing shift patterns of the automatic transmission, and FIGS. 3 to 5 are control diagrams of the automatic transmission. Flowchart showing the program; FIG. 6 is a schematic diagram showing a data table of duty ratio corresponding to accelerator load signal/time used to execute the control program; FIG.
Figures 9 through 9 show vehicle speed - basic gear, engine load - first gear, which are used when determining the optimum gear in the selected gear division of the control program.
A schematic diagram showing an example of each data table of correction value, engine rotation speed - second correction value, Fig. 10 is a diagram showing an example of the change in clutch air pressure over time, and Fig. 11 shows each rotation speed of the engine and clutch output shaft. FIG. 12 is a diagram showing an example of a region in which the difference in rotational speed between the engine and the clutch output shaft should be controlled over time, and FIGS. 3 is a flowchart showing the operation of the embodiment. 30...Engine, 31...Clutch, 32...
...Transmission, 39...Engine rotation sensor, 42...
...Air cylinder, 45...Clutch rotation speed sensor, 46...Air chamber, 47...Air passage, 49...
Air supply solenoid valve, 50... Exhaust solenoid valve, 51...
Gear shift unit, 52... Control unit, 55... Gear selection switch, 56... Gear position switch, 76... Clutch wear lamp.

Claims

[Scope of utility model registration request]

An actuator that connects and disconnects a clutch between a vehicle engine and a transmission, an air supply control valve provided in a passage that introduces working air into the air chamber of the actuator, and an exhaust that releases air from the air chamber to the atmosphere. a control valve for the transmission, a gear selection means for selecting the gear of the transmission, an engine rotation sensor for detecting the engine rotation speed, a clutch rotation sensor for detecting the clutch rotation speed, and a clutch abrasion sensor for warning of clutch wear. After controlling the opening of the lamp and the air intake control valve, controlling the gear position of the transmission to be switched in accordance with the gear selected by the gear selection means, and opening the exhaust control valve, the engine The automatic apparatus is characterized by comprising a control means for controlling lighting of the clutch wear lamp when the engine speed reaches a predetermined value or more and the ratio between the engine speed and the clutch rotation speed is a predetermined value or more. gearbox.