System and method for controlling a continuously variable...

Details System and method for controlling a continuously variable... System and method for controlling a continuously variable...

2007-03-20

2007-03-20

Estremsky, Sherry (Department: 3681)

Planetary gear transmission systems or components

Electric or magnetic drive or control

With condition responsive control

C477S015000

Reexamination Certificate

active

10865929

ABSTRACT:
A method of controlling a continuously variable transmission includes sensing an output speed of a motor, determining an upper speed limit based on the output speed of the motor and a positive torque limit associated with the motor, determining a limited motor speed command based on the lesser of a motor speed command and the upper speed limit, and controlling the motor based on the limited motor speed command.

REFERENCES:
patent: 6385970 (2002-05-01), Kuras et al.
patent: 6424902 (2002-07-01), Kuras et al.
patent: 2003/0151381 (2003-08-01), Kadota et al.
patent: 2005/0080537 (2005-04-01), Cawthorne et al.
patent: 2005/0255963 (2005-11-01), Hsieh et al.
patent: 2005/0256629 (2005-11-01), Tao et al.

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