Control system for correcting a torque variation of an engine

Details Control system for correcting a torque variation of an engine Control system for correcting a torque variation of an engine

2005-12-13

2005-12-13

Argenbright, Tony M. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S110000, C701S115000, C123S406240, C123S406230, C123S436000, C123S478000, C123S480000, C123S486000

Reexamination Certificate

active

06975934

ABSTRACT:
The present invention provides a control system for an internal combustion engine for detecting a torque variation based on a rotational speed of the engine and suppress the torque variation. The system includes a detector for detecting a rotational speed of the engine, a memory for storing a variation pattern of the rotational speed of the engine when a torque of the internal combustion engine is excessive and a controller for calculating a variation component of the rotational speed based on the detected rotational speed, The controller calculates the correlation between the variation component and the variation pattern that is read out from the memory and then determines a torque variation state of the engine based on the correlation.

REFERENCES:
patent: 5947087 (1999-09-01), Minowa et al.
patent: 2867747 (1998-12-01), None

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