Driveline torque limit control strategy-using SAE J1922 type eng

Details Driveline torque limit control strategy-using SAE J1922 type eng Driveline torque limit control strategy-using SAE J1922 type eng

1991-05-09

1994-04-19

Trans, Vincent N.

Boots, shoes, and leggings

74859, 74866, B60K 4104

Patent

active

053052137

ABSTRACT:
A control system/method for an automated mechanical transmission system (12) is provided for limiting driveline torque to a predetermined maximum value (max.sub.-- OS.sub.-- torq). Driveline torque is controlled by controlled fueling of the engine (16) to limit engine speed (ES) to a maximum value (ES max) which is determined as a function of input shaft speed (IS), maximum output shaft torque (max.sub.-- OS.sub.-- torq), mechanical ratio (gear-ratio) of the engaged transmission gear and torque converter (20) constants (torque.sub.-- ratio, K factor).

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"Control Technology of Minimal Slip-Type Torque Converter Clutch" by Hiramatsu et al., SAE Technical Paper Series 850460, Feb. 25-Mar. 1, 1985, pp. 47-54.
SAE Paper No. 881830 presented Nov. 1988.
SAE Standard J1922.

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