FIELD: machine building.
SUBSTANCE: invention relates to the engine building. Method for engine (10) comprises the following steps: detecting surge event of compressor (122, 132) of engine, based on frequency spectrum of pressure sensor (173) at inlet of throttle (158) installed downstream of compressor (122, 132). Adapt the surging line on the compressor characteristic map (122, 132) stored in engine controller (12) based on the compressor pressure increase coefficient (122, 132) and the corrected flow through compressor (122, 132) during the surging event. Also disclosed is version of method for engine and system for engine.
EFFECT: technical result consists in improvement of calibration accuracy of surging line.
20 cl, 6 dwg
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