JPS6389328U

JPS6389328U -

Info

Publication number: JPS6389328U
Application number: JP1986184475U
Authority: JP
Priority date: 1986-11-29
Filing date: 1986-11-29
Publication date: 1988-06-10

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係わる自動変速装
置の概略構成図、第２図はそのシフトパターンの
一例を表わす概念図、第３図はそのＤｐ及びＤｅ
レンジのシフトマツプの一例を表わすグラフ、第
４図はそのデユーテイ率決定のためのマツプの一
例を表わすグラフ、第５図〜第９図はその制御プ
ログラムの一例を表わす流れ図、第１０図はその
変速時におけるエンジン回転数及びクラツチ回転
数の経時変化の一例を示すグラフ、第１１図はシ
フトアツプ操作時の作動概念図、第１２図はシフ
トダウン操作時の作動概念図、第１３図はその発
進時における目標クラツチストロークとアクセル
開度との関係を表わすグラフ、第１４図は緊急用
クラツチ遮断装置を示す図、第１５図はバルブＺ
の開閉制御を行なう回路図、第１６図はアクセル
擬似信条電圧の時間的変化を示す図、第１７図は
クラツチホールド時の制御を示すフローチヤート
、第１８図はアクセル負荷センサの出力電圧を示
す図である。１１……エンジン、１５……摩擦クラツチ、１
７……歯車式変速機、２１……燃料噴射ポンプ、
２３……コントロールラツク、２５……電磁アク
チユエータ、３３……エアシリンダ、４７，４９
……エアタンク、５３……電磁弁、６１……チエ
ンジレバー、６５……ギアシフトユニツト、７１
……コントロールユニツト、８１……アクセルペ
ダル、９３……マイクロコンピユータ。 FIG. 1 is a schematic configuration diagram of an automatic transmission according to an embodiment of the present invention, FIG. 2 is a conceptual diagram showing an example of its shift pattern, and FIG. 3 is a diagram showing its Dp and De.
A graph showing an example of a range shift map, Fig. 4 is a graph showing an example of a map for determining the duty rate, Figs. 5 to 9 are flowcharts showing an example of the control program, and Fig. 10 is the shift map Figure 11 is a conceptual diagram of the operation during upshift operation, Figure 12 is a conceptual diagram of operation during downshift operation, and Figure 13 is at the time of starting. 14 is a graph showing the relationship between the target clutch stroke and the accelerator opening, FIG. 14 is a diagram showing the emergency clutch cutoff device, and FIG. 15 is a graph showing the relationship between the target clutch stroke and the accelerator opening
Fig. 16 is a diagram showing temporal changes in the accelerator pseudo-belt voltage, Fig. 17 is a flowchart showing control during clutch hold, and Fig. 18 shows the output voltage of the accelerator load sensor. It is a diagram. 11...Engine, 15...Friction clutch, 1
7... Gear type transmission, 21... Fuel injection pump,
23... Control rack, 25... Electromagnetic actuator, 33... Air cylinder, 47, 49
... Air tank, 53 ... Solenoid valve, 61 ... Change lever, 65 ... Gear shift unit, 71
...Control unit, 81...Accelerator pedal, 93...Microcomputer.

Claims

[Scope of utility model registration request]

a friction clutch connected to the engine; a gear transmission connected to the friction clutch; a shift lever for changing the gear position of the gear transmission; and a shift lever that is closed when the shift lever is in the shift position. The switch changes the voltage division ratio of the shift resistor, and the select switch, which is closed when the shift lever is placed in the select position, changes the voltage division ratio of the selection resistor, and the shift resistor A to change the potentials at predetermined points of the body and the selection resistor into digital signals.
1. A shift control device for an automatic transmission, comprising: an A/D converter; and a control device that controls the driving force of an engine according to the output of the A/D converter.