1
Robert R Smyth: Automatic transmission control method. Eaton Corporation, C H Grace, H D Gordon, November 5, 1985: US04551802 (56 worldwide citation)

An improved control method and control system for an automatic change gear transmission (10) driven by a throttle controlled engine (12) is provided. The control system includes a processing unit (30) for receiving inputs indicating at least throttle position (18) and engine speed (20) and for proce ...


2
Tetsuo Ikebuchi, Kenjiro Fujita, Katsutoshi Usuki: Shift control apparatus for automatic transmission and control method therefor. Mitsubishi Jidosha Kogyo Kabushiki Kaisha, October 3, 1995: US05454763 (14 worldwide citation)

An automatic transmission control method and apparatus for a vehicle includes a first gear change mechanism in which an input shaft is connected to an output shaft of a fluid coupling and a rotational speed of the output shaft of the first gear change mechanism is changed by selectively controlling ...


3
Hiroyuki Kobayashi, Hajime Tasaka, Hirofumi Michioka: Automatic transmission control method and system having fail-safe function. Jatco, Foley & Lardner, July 22, 2008: US07402123 (10 worldwide citation)

In an automatic transmission control system and method, an electronic control unit is programmed to output a command to establish another gear stage different from the gear stage at the time of occurrence of fault-induced disengagement by combination of engagements of the friction elements other tha ...


4
Hiromi Hasegawa, Toshiaki Ishiguro: Automatic transmission control method. Aisin Seiki Kabushiki Kaisha, Burns Doane Swecker & Mathis, July 4, 1989: US04843909 (7 worldwide citation)

If a vehicle is at rest after it has been detected that the shift position of the vehicle transmission has been shifted to neutral, hydraulic pressure is introduced to a brake in the transmission gear train that is for establishing the first speed state. The introduction of hydraulic pressure to the ...


5
Ralf Dreibholz, Gerd Frotscher, Thomas Schober, Martin Vohmann: Automatic transmission control method including shifting aberration regulating phase. ZF Friedrichshafen, Davis and Bujold, June 15, 1999: US05911648 (6 worldwide citation)

A method of controlling and regulating an automatic transmission with overlapping gearshifts. The change from the control mode to the regulating mode for the disengaging clutch (11) is made here when a defective engagement of the engaging clutch (12) is detected.


6
Yuji Fujii, Jahan Asgari, Davorin David Hrovat, Hong Jiang, Gregory Michael Pietron, Bradley Dean Riedle, Christopher John Teslak, Hongtei Eric Tseng: Multiple-ratio automatic transmission control method and system for ratio upshifts. Ford Global Technologies, David B Kelley, Brooks Kushman P C, December 25, 2012: US08337361 (6 worldwide citation)

A speed ratio shaft control for multiple ratio vehicle transmission has controlled release of an off-going transmission clutch and controlled engagement of an on-coming transmission clutch during a speed ratio upshift, at least one clutch being a friction torque establishing clutch. A controller, us ...


7
In Suk Ryoo: Automatic transmission control method using map data. Kia Motors Corporation, March 30, 1999: US05890087 (5 worldwide citation)

An automatic transmission control method using map data includes the steps of: operating a map in said CD-ROM; mapping said magnetic position of said vehicle by using said earth magnetism sensor; measuring a climbing angle of said vehicle from an angle sensor mounted in said vehicle; judging whether ...


8
Minami Kengo, Takeuchi Yoshihiko: Automatic transmission control method and automatic transmission controller. Yamaha Motor, August 29, 2007: EP1826442-A1 (4 worldwide citation)

The present invention relates to an automated transmission controller, comprising a friction clutch; a transmission having a plurality of first gears on which engaging projections are formed and a plurality of second gears on which engaging concaves to be engaged with the engaging projections are fo ...


9
Yujii Fujii, Jahan Asgari, Davorin David Hrovat, Hong Jiang, Gregory Michael Pietron, Bradley Dean Riedle, Christopher John Teslak, Hongtei Eric Tseng: Multiple-ratio automatic transmission control method and system for ratio upshifts. Ford Global Technologies, James Dottavio, Brooks Kushman P C, September 10, 2013: US08529406 (3 worldwide citation)

A speed ratio shaft control for multiple ratio vehicle transmission has controlled release of an off-going transmission clutch and controlled engagement of an on-coming transmission clutch during a speed ratio upshift, at least one clutch being a friction torque establishing clutch. A controller, us ...


10
Naohiro Yamada, Tukasa Hayashi: Automatic transmission controller and automatic transmission control method. JATCO, Foley & Lardner, February 7, 2012: US08112204 (3 worldwide citation)

An automatic transmission controller calculates a predicted vehicle speed with reference to a measured vehicle state variable, and calculates a target transmission ratio with reference to the predicted vehicle speed, when a sensor input signal is normal which carries information about the measured v ...