FIELD: engines and pumps.
SUBSTANCE: internal combustion engine operating conditions are estimated by difference in air consumption at inlet and outlet. Estimation is made on running engine in starting conditions without fuel feed. Air consumption measurement at inlet and outlet is performed for ICE preset crankshaft turn angle range. Measurement of air consumption at outlet is shifted in time relative to beginning of air consumption measurement at inlet. Shift equals the ICE crankshaft turn angle and varies with stroke rate.
EFFECT: possibility to estimate state of every ICE cylinder state separately.
1 dwg
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