公开(公告)号：US20210087986A1

公开(公告)日：2021-03-25

申请号：US15931900

申请日：2020-05-14

申请人： SAIC MOTOR Corporation Limited

发明人： Jingxian HAO ,  Weiping YUAN ,  Endong SONG ,  Xiangtai SONG ,  Kai YANG ,  Huaihan YE ,  Chungen LUO ,  Lifeng ZHANG ,  Haidong XIN ,  Aihua HU ,  Liangliang QIAO ,  Ming SUN

IPC分类号： F02D35/02 ,  F02D41/00

摘要： A method and a device for determining combustion noise parameters, comprising acquiring a cylinder pressure sequence which comprises cylinder pressures corresponding to different crank angles φ and corresponding moments tφ; calculating a first parameter sequence according to the cylinder pressure sequence, wherein the first parameter sequence is a parameter sequence in a time domain, and the first parameter sequence comprises one or more of a top surface cylinder force sequence, a top surface cylinder force rise rate sequence, a side surface cylinder force sequence and a side surface cylinder force rise rate sequence; and determining a target parameter for representing combustion noise in the cylinder according to the first parameter sequence.