JPS6412939A - Speed change control device for automatic transmission - Google Patents
Speed change control device for automatic transmissionInfo
- Publication number
- JPS6412939A JPS6412939A JP62167312A JP16731287A JPS6412939A JP S6412939 A JPS6412939 A JP S6412939A JP 62167312 A JP62167312 A JP 62167312A JP 16731287 A JP16731287 A JP 16731287A JP S6412939 A JPS6412939 A JP S6412939A
- Authority
- JP
- Japan
- Prior art keywords
- speed change
- clutch
- throttle opening
- sensor
- disengaged
- 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
Landscapes
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
PURPOSE:To reduce the shock when a clutch is disengaged at the time of the speed change by switching the clutch to the disengaged side at the preset timing after the closing operation of the throttle opening is started during the speed change operation. CONSTITUTION:A stroke detecting sensor 7 detecting the connection state of a clutch 2, a vehicle speed sensor 10, an accelerator opening sensor 11, etc., are provided, and their detection signals are inputted to a CPU 17 constituting a timing control means 16 via an I/O 9. Whether the speed change occurs or not is judged based on the pedal depression quantity of an accelerator pedal 12 and the vehicle speed, if the speed change is judged to occur, the delayed action of a timer 17a is started, and a throttle actuator 22 is controlled to fully close the throttle opening from the current throttle opening. When the set time of the timer 17a elapses, a clutch control actuator 6 is operated to switch the clutch 2 to the disengaged side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62167312A JPS6412939A (en) | 1987-07-04 | 1987-07-04 | Speed change control device for automatic transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62167312A JPS6412939A (en) | 1987-07-04 | 1987-07-04 | Speed change control device for automatic transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6412939A true JPS6412939A (en) | 1989-01-17 |
Family
ID=15847415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62167312A Pending JPS6412939A (en) | 1987-07-04 | 1987-07-04 | Speed change control device for automatic transmission |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6412939A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04123937A (en) * | 1990-09-17 | 1992-04-23 | Komatsu Forklift Co Ltd | Travel control method in industrial vehicle |
-
1987
- 1987-07-04 JP JP62167312A patent/JPS6412939A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04123937A (en) * | 1990-09-17 | 1992-04-23 | Komatsu Forklift Co Ltd | Travel control method in industrial vehicle |
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