Engine accessory torque and engine deceleration rate determinati

Details Engine accessory torque and engine deceleration rate determinati Engine accessory torque and engine deceleration rate determinati

1994-05-16

1996-12-10

Ta, Khoi Q.

Machine element or mechanism

Gearing

Interchangeably locked

477120, 477904, F16M 5952, B60K 4106

Patent

active

055820697

ABSTRACT:
An adaptive control system/method for an at least partially automated vehicular mechanical transmission system (10) is provided for determining the value of a control parameter (T.sub.ACCES) indicative of accessory torque when the vehicle is in motion and the value of a control parameter (dES/dt rate) indicative of engine deceleration rate when the vehicle is not in motion. A relationship (dES/dt rate=A+B * T.sub.ACCES) between engine deceleration rate and accessory torque is determined and allows derivation of one parameter from the other parameter during vehicle operating conditions wherein the other parameter may be directly determined from sensed inputs (T.sub.EG, T.sub.BEF, ES).

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