Engine control apparatus designed to ensure accuracy in...

Details Engine control apparatus designed to ensure accuracy in... Engine control apparatus designed to ensure accuracy in...

2006-11-28

2006-11-28

Wolfe, Jr., Willis R. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S113000, C123S179400

Reexamination Certificate

active

07142973

ABSTRACT:
An engine control system is provided which is designed to estimate an angular position at which a crankshaft of an engine is expected to stop at a stop of the engine for use in determining the position of the crankshaft at a start of the engine which is to be employed in initiating given engine control tasks. When a preselected condition which indicates the possibility of performing the engine control tasks or will result in initiation of the engine control tasks based on an erroneous value of the estimate of the stop position of the crankshaft, the engine control system inhibits the engine control tasks from being initiated using the estimate of the stop postion, thereby ensuring the stability of control of the engine.

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