曲轴动不平衡信号提取的一种方法  

An Extraction Method of Crankshaft Dynamic Unbalance Signal

作　　者：虞礼贞[1] 龚向东[1] 凌时畴[1] 刘晔[1] 陆勤[1] 

机构地区：[1]南昌大学

出　　处：《应用科学学报》1999年第3期276-281,共6页Journal of Applied Sciences

摘　　要：分析动不平衡信号提取的电路原理，提出一种提取动不平衡信号的方法．由该方法研制的动平衡机测量精度高，工作稳定可靠．该方法开发费用低。Principles of a typical circuit for extracting dynamic unbalance signals are analyzed, and a method used for the dynamic unbalance signal measurement is given. A newly developed dynamic balance machine based on the method has such features as high precision, high reliability, low cost and short time for research and development.

关 键 词：动平衡 信号检测 相敏检波 曲轴 测量精度 

分 类 号：TK413.31[动力工程及工程热物理—动力机械及工程]