Output torque matching in a multi-speed electric vehicle

Details Output torque matching in a multi-speed electric vehicle Output torque matching in a multi-speed electric vehicle

1995-12-14

1997-05-13

Ro, Bentsu

Electricity: motive power systems

Constant motor current, load and/or torque control

180338, 477 15, 477 69, B60K 2300, H02P 736

Patent

active

056295936

ABSTRACT:
In an electrically driven vehicle having an automatic transmission for coupling motor output torque to at least one drivewheel through a selected one of at least a pair of speed ratios, a method of matching the post-shift output torque to the preshift output torque is disclosed whereby undesirable post-shift driveline disturbances such as driveline sag are eliminated and post-shift vehicle performance is not compromised due to changes in output torque.

REFERENCES:
patent: 3703109 (1972-11-01), Irie et al.
patent: 4096418 (1978-06-01), Marumoto et al.
patent: 4611507 (1986-09-01), Burkel et al.

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