基于时频图形的柴油机做功状态分析  

Working-doing Status Analysis Based on Time Frequency Graph

作　　者：邵学 郭宣召 孟东 

机构地区：[1]莱芜钢铁集团运输部机动科,山东莱芜271104

出　　处：《内燃机》2008年第1期41-44,共4页Internal Combustion Engines

摘　　要：通过柴油机状态监测系统在线采集瞬时转速数据进行频谱图形分析,监测柴油机工作状况,对影响柴油机做功不良的典型故障进行分析,有效地提高了在线监测系统及诊断结果对实际检修工作的指导作用。The paper analyzes frequency spectrum graph by on -line collecting transient rotating speed data and monitors the working status in status monitoring system of diesel engine and analyzes some typical troubles affecting work - doing of diesel engine,which effectively improves the effect of on- line monitoring system and trouble- shooting on practical services.

关 键 词：柴油机状态 做功 频谱 图形 瞬时转速 

分 类 号：TK428[动力工程及工程热物理—动力机械及工程]