文档介绍：振动与冲击第33卷第s期 JOuRNALoF 】)sHOcK 2014 结晶器振动台低频振动测量与分析系统研究陈磊。2,韩捷1,雷文平1,董辛曼1,陈宏1 (郑州大学振动工程研究所郑州河南45000l:,,450001) 摘要:在连续铸造过程中,结晶器的振动形态影响铸坯的质量,连铸器振动参数的测量与分析,对于调整振动形态,改进铸造工艺有着重大意义;根据连铸结晶器振动频率低,纵向振动幅度大的特点,研究振动台的振动测量与分析系统;采用两个三轴加速度传感器,并进行二次积分获取振动位移,实现结晶器振动台的三维同步测量:分析测量系统中,不同环节参数的选择对于测量系统动态性能的影响;实现对振动台三维位移轨迹、振动台偏斜率、相位差等关键指标的测量分析;研制基于嵌入式系统的低频便携式智能振动测量分析仪,实现振动台不同部位的同步测量,很好的满足了工程需要,与传统的振动台位移测量仪器相比,在精度、测量同步性等方面有着显著的优势。关键词:结晶器,低频振动,二轴加速度传感器,积分,=三维测量中图分类号:TH825 文献标识码:A study oftheMeasurement and Analysis System forthe CrystalⅡzer Vibro-bench’s Low VibratiOn CHEN Leil’..HAN '酽色n—p汛窖,DoNG xin—( ofVibration Eng址c血g,gzhou Univcrs蚵,gZhou,H衄柚,45000l Engilleering andEn昭,Zhengzhou un{Versi饥zbeng曲ou,Hen船,450001) Abstract:hⅡinuous castprocess,the vibrationmode ofcrystallizeThasimport柚t e丘宅ct on me sla_bquali咄 Inorder toadjust theVibrationmode and erlllaIlceme cast process,it important tomeasure me vibrationsi印als ,stallizer and analyze measurement and analysis system on vibro_bench was studied accordiI壕t0 vibration characteristics oflow舭quency and 1argeaⅡ er aDddouble商egration circuit were adopted inthemeasurement system t0obtain me vibratjon di脏rem口arameters’e任bct on me dynamic character ofme measu】屯ment system was analvzed analysis on sional displaceme