DRIVE SYSTEM AND DRIVE METHOD OF TURBOCHARGER

摘要

PROBLEM TO BE SOLVED: To provide a drive system and drive method of a turbocharger, which prevent fastening of a valve body of the turbocharger while suppressing occurrence of noise.PROCEDURE FOR SOLVING THE PROBLEM: A controller 50 controls a drive device 40 for driving a plurality of valve bodies 34 arranged in a flow passage 33 provided inside a turbine 30 of a turbocharger 12 mounted on an engine 10. When the engine 10 stops, the controller performs opening/closing control for opening/closing the plurality of valve bodies 34 at least one time by the drive device 40.SELECTED DRAWING: Figure 4