基于嵌入式Linux的振动台自动对中系统设计  

Design of Automatic Centering System for Electrodynamics Shaker Based on Embedded Linux

作　　者：张旺 张红彩 田看丽[1,2] 陈晨 张奎华 ZHANG Wang;ZHANG Hong-cai;TIAN Kan-li;CHEN Chen;ZHANG Kui-hua(ETS Solution(Beijing)Ltd.,Beijing 100000,China;Beijing Institute of Structure and Environment Engineering,Beijing 100000,China)

机构地区：[1]北京航天希尔测试技术有限公司,北京100000 [2]北京强度环境研究所,北京100000

出　　处：《航空计算技术》2023年第3期95-98,共4页Aeronautical Computing Technique

摘　　要：设计了一种基于嵌入式Linux的振动台运动部件高精度自动对中系统,该系统以ARM Cortex-A9内核芯片为主控制器,嵌入Linux操作系统,运行基于Qt/E开发的图形化界面应用程序,实现了高精度、高稳定、低功耗、交互友好的振动台自动对中系统。详细阐述了系统的总体方案设计、硬件系统设计和软件系统设计,并对该系统进行了测试和分析,结果表明系统能够实现静态对中和动态对中功能,对中速度快,精度可达±1 mm,满足了设计要求。A design of automatic centering system for the electro dynamics shaker based on Embedded Linux is elaborated in this paper.The hardware is designed based on the Cortex-A9 processor,the programming is based on the Linux operating system and explain the interface software design of Qt/Embedded applications.The automatic centering system of vibration table with high accuracy,high stability,low power consumption and friendly interaction is realized.It presents the overall structure,hardware structure,and software architecture,and the result is given and analyzed at last.The system test results show that the system can realize static and dynamic center position control,with fast speed and precision is±1 mm.The controller can meet the design requirements.

关 键 词：LINUX 振动台 SPI总线 对中系统 

分 类 号：TH113.1[机械工程—机械设计及理论] TP368.5[自动化与计算机技术—计算机系统结构]