田中旭;李广洲;王恒宇;

• 1:上海海洋大学
• 2:上海交通大学

摘要(Abstract)：

为了有效去除扭转振动测试数据采集中的坏点,针对磁电式传感器采集的类似余弦波的电压信号,提出了一种不断向零电压靠近的双线逼近算法,给出了转速计算的谐次提取算法,研究了瞬时转速各阶谐波函数的变化规律。1.4 L四缸汽油机的扭振测试结果表明,该方法具有较高的适应性与稳定性。

关键词(KeyWords)： 瞬时转速;扭振;坏点;双线逼近法;谐次提取

Abstract:

Keywords:

基金项目(Foundation): 上海海洋大学博士启动基金项目（A2-0203-00-100330）

作者(Authors): 田中旭;李广洲;王恒宇;

DOI: 10.19620/j.cnki.1000-3703.20190400

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