Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Patent
1996-07-09
1999-03-02
Nguyen, Tan Q.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
701 84, 701111, 123436, B60K 2816, G01M 1500
Patent
active
058783660
ABSTRACT:
In one aspect of the present invention, a method for detecting a powerless condition of a reciprocating internal combustion engine is provided. The engine has a plurality of reciprocating components, at least one cylinder and a crankshaft. The method includes the steps of sensing angular velocity of the crankshaft and responsively producing an angular velocity signal and determining a rate of fuel supplied to the one cylinder and responsively producing a fuel rate signal. The method further includes the steps of determining an indicated torque for the one cylinder as a function of the angular velocity signal and the fuel rate signal and responsively producing an indicated torque signal. Further, the method includes the steps of determining a requested torque for the one cylinder as a function of the fuel rate signal and the angular velocity signal and responsively producing a requested torque signal. An indication of powerless of the one cylinder is determined as a function of the requested torque signal and the actual torque signal.
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Gannon Julie A.
Schricker David R.
Caterpillar Inc.
Kercher Kevin M.
Masterson David M.
Nguyen Tan Q.
Yee James R.
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