Method of starting an internal combustion engine for strong...

Details Method of starting an internal combustion engine for strong... Method of starting an internal combustion engine for strong...

2007-01-16

2007-01-16

Kwon, John T. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Idle speed control

C123S406110

Reexamination Certificate

active

11362679

ABSTRACT:
A control system for a vehicle includes a combustion engine and an electric propulsion system. The combustion engine includes a camshaft and a crankshaft. The control system improves NVH by deactivating the compression pulses during a cranking phase of the combustion engine. A first control module generates a minimum torque, a second control module generates an actual torque and a third control module generates a reference torque. A timing control module generates a timing control output based on the minimum torque, the actual torque and the reference torque. The minimum torque is based on an RPM of the combustion engine, a spark angle and an air per cylinder of the combustion engine. The actual torque is based on an RPM of the combustion engine, a spark angle and an air per cylinder. The reference torque is based on an output of a pedal position sensor.

REFERENCES:
patent: 7104347 (2006-09-01), Severinsky et al.
patent: 2005/0256618 (2005-11-01), Hsieh et al.

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