Time and angle based cylinder pressure data collection

Details Time and angle based cylinder pressure data collection Time and angle based cylinder pressure data collection

2011-03-29

2011-03-29

Kirkland, III, Freddie (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Compression

C073S114260, C073S114160

Reexamination Certificate

active

07913545

ABSTRACT:
A control module for determining a time and angle based cylinder pressure includes a crankshaft position determination module that determines a first crankshaft position in an engine at a first time, a time-based cylinder pressure determination module that determines N time-based cylinder pressures in the engine at N times, wherein N is an integer greater than one, and an angle-based cylinder pressure determination module that determines an angle-based cylinder pressure at the first crankshaft position based on the first time, the N cylinder pressures, and the N times.

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