Pump cavitation inception identification method based on balanced square envelope spectrum

• Main Authors: CAO LINLIN, YANG SHUAI, YU TIANYI, LI QIANQIAN, CHU NING, WU DAZHUAN
• Format: Patent
• Language: Chinese; English
• Published: 27.08.2019
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The invention discloses a pump cavitation inception identification method based on a balanced square envelope spectrum. The method comprises the following steps that (1) vibration signals of a pump are collected, and the decomposition order is determined; (2) the vibration signals are filtered by ut...