高旋弹用惯性测量系统多量程传感器组合设计  

Design of combination of multi-range sensor of inertial measurement system used in high rotation of ammunition

作　　者：刘秀锋[1] 李杰[1,2] 侯利朋[1] 刘一鸣[1] 刘俊[1,2] 陈伟 

机构地区：[1]中北大学电子测试技术国防科技重点实验室,山西太原030051 [2]中北大学仪器科学与动态测试教育部重点实验室,山西太原030051 [3]山西北方惠丰机电有限公司科研设计二所,山西长治046012

出　　处：《传感器与微系统》2015年第11期82-84,88,共4页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(50905169)

摘　　要：由于高旋武器弹药在初始时刻具有高转速和高加速度的特点,使半捷联MEMS惯性测量系统的减旋系统超调大,致使MEMS惯性传感器测得瞬时数据大,超出量程,影响数据分析与解算,提出一种适用于高旋弹用的多量程传感器组合设计,采用多量程的惯性传感器和MIMU组合将弹体各个飞行阶段的数据进行测量;用A/D转换器将其输出的模拟量转换为数字量,通过FPGA模拟通信口接收数据并存储在FLSAH中,实现对半捷联惯性测量系统的实时记录。通过高速飞行仿真转台试验验证:该设计能实时准确采集并存储弹体信息,对常规弹药的制导化具有很大的应用价值。Because high rotation of arms and ammunition has characteristics of high-rotating speed and highacceleration in initial moment,it makes large overshoot on reduced-rotation system of semi-strapdown MEMS inertial measurement system,which results in measured instantaneous data of MEMS inertial sensor is large and out of range,which impacts on data analysis and resolving,present a combination design of multi-range sensor that is suitable for high rotation of ammunition,measure data of various flight phases of projetile body using combination of multi-range inertial sensor and MIMU; convert analog output to digital quantity using ADC converts,receive data through FPGA analog communication port and store it in FLSAH memory. The design can realize real time record of semi-strapdown inertial measurement system. Through high-speed flight simulation turntable prove that the design can accurately and real-time collect and store information,which is valuable for guidenization of conventional ammunition.

关 键 词：惯性测量 多量程 超量程 微惯性测量单元 

分 类 号：TN919.5[电子电信—通信与信息系统]