Method of efficiently determining pressure-based combustion...

Details Method of efficiently determining pressure-based combustion... Method of efficiently determining pressure-based combustion...

2007-01-12

2008-10-21

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

C123S299000, C123S435000

Reexamination Certificate

active

07440841

ABSTRACT:
Pressure-based combustion parameters of an IC engine are determined based on engine cylinder pressure measurements and crank angle dependent cylinder volume data, where the pressure in a given engine cylinder is periodically sampled at scheduled crank angles to provide a measurement resolution that varies over the combustion cycle for that cylinder, and the cylinder volume data is retrieved from a table of pre-calculated data. The combustion parameter calculations are customized to suit the variable resolution pressure data, and the crank angles used to retrieve the pre-calculated cylinder volume data are offset from the scheduled crank angles to compensate for misalignment of the pressure measurements relative to the scheduled engine crank angles.

REFERENCES:
patent: 5107813 (1992-04-01), Inoue et al.
patent: 5831263 (1998-11-01), Komachiya et al.
patent: 6560526 (2003-05-01), Matekunas et al.
patent: 6810320 (2004-10-01), Yamamoto et al.
patent: 6889664 (2005-05-01), Worth et al.
patent: 6993427 (2006-01-01), Ueda
patent: 7107140 (2006-09-01), Yoshino et al.
patent: 7171950 (2007-02-01), Palma et al.
patent: 7222606 (2007-05-01), Yoshino et al.

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