Development of Data Acquisition System for Micro-accelerometers’ Dynamic Centrifuge Test

摘要：

　　In order to achieve the dynamic flight environment simulation assessment for the micro-accelerometer used in the inertial navigation or guidance systems,it is necessary to reform the precision static centrifuge’s mechanical and electronic architecture,accompanied with the development of the novel data acquisition system.System design,hardware and software implementation of the DAQ system for the micro-accelerometer’s dynamic centrifuge test is reported,which is a subsystem of the dynamic precision centrifuge,Involving its system architecture,hardware and software implementation.The DAQ system is developed based on the virtual instrument architecture,which has the ability to handle 4 analog or digital output micro-accelerometers simultaneously.Error analysis shows that when the micro-accelerometer’s output voltage signal range is +2.5 V ~-2.5V,the comprehensive measurement accuracy is less than 2.5mV; when the output voltage signal range is +12.5 V ~-12.5V,the comprehensive measurement accuracy is less than 12.5mV.When the sampling time interval is 20ms,synchronization error between each sampling point and the centrifuge controller is less than 0.1ms.

关键词： Micro-accelerometer Centrifuge Data acquisition, Virtual instrument

作者: GAO Yang QIN Ran GUAN Chenqiu LI Mei

作者单位: Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621900,China School of Information Engineering, Southwest University of Science and Technology,Mianyang 621010, C

会议类型: 国际会议

会议名称: 中国微米纳米技术学会第14届学术年会、第3届国际年会暨第6届微米纳米技术“创新与产业化国际研讨与展览会(CSMNT2012 & ICMAN2012)

会议地点: 杭州

会议语种:英文

页码: 1-7

在线出版日期: 2012-11-04（万方平台首次上网日期，不代表论文的发表时间）