The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 2021
Filed:
May. 14, 2020
Saic Motor Corporation Limited, Shanghai, CN;
Jingxian Hao, Shanghai, CN;
Weiping Yuan, Shanghai, CN;
Endong Song, Shanghai, CN;
Xiangtai Song, Shanghai, CN;
Kai Yang, Shanghai, CN;
Huaihan Ye, Shanghai, CN;
Chungen Luo, Shanghai, CN;
Lifeng Zhang, Shanghai, CN;
Haidong Xin, Shanghai, CN;
Aihua Hu, Shanghai, CN;
Liangliang Qiao, Shanghai, CN;
Ming Sun, Shanghai, CN;
SAIC MOTOR CORPORATION LIMITED, Shanghai, CN;
Abstract
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 t; 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.