| 基于ARM和FPGA的三维精密定位控制系统 |
| |
| 引用本文： | 陈锡侯,陈涛,彭东林,张天恒,刘小康.基于ARM和FPGA的三维精密定位控制系统[J].仪表技术与传感器,2011(5). |
| |
| 作者姓名： | 陈锡侯 陈涛 彭东林 张天恒 刘小康 |
| |
| 作者单位： | 重庆理工大学机械检测技术与装备教育部工程研究中心,重庆,400050 |
| |
| 摘 要： | 针对基于步进电机驱动三维定位机械载物工作台的定位精度、定位速度问题,该设计在低成本的步进电机驱动的机械载物工作台的基础上,建立以光栅尺为测量反馈元件的全闭环系统,解决了ARM和FPGA的响应速度瓶颈问题,并通过时间细分克服了采用步进电机进行微步驱动时易出现的"爬行"和步距角过大的现象,实现了大行程、高速度、高精度(±1 μm)的三维定位,并将其应用到三坐标测量机上.该系统硬件结构简单、可靠性强;并且可以灵活的实现定制应用.
|
| 关 键 词： | 嵌入式微处理器 现场可编程逻辑阵列 精密定位 光栅尺 |
Three-coordinate Precision Location Control System Based on ARM and FPGA |
| |
| CHEN Xi-hou,CHEN Tao,PENG Dong-lin,ZHANG Tian-heng,LIU Xiao-kang.Three-coordinate Precision Location Control System Based on ARM and FPGA[J].Instrument Technique and Sensor,2011(5). |
| |
| Authors: | CHEN Xi-hou CHEN Tao PENG Dong-lin ZHANG Tian-heng LIU Xiao-kang |
| |
| Affiliation: | CHEN X i-hou,CHEN Tao,PENG Dong-lin,ZHANG Tian-heng,LIU X iao-kang(Eng ineer ing R esearch C en ter ofM echan ica l T esting T echno logy and Equ ipm en t,M in istry of E du ca tion,C hongq ing U n iversity of T echno logy,C hongq ing 400054,C h ina) |
| |
| Abstract: | The trad itional autom atic location m ethod used step-motor cannot ach ieve h igh-speed and h igh-prec ision positio-n ing.A three-coord inate prec ision location controlling system was designed based on ARM and FPGA.Th is design estab lished a whole c losed-loop control system based on a step-motor driven m echan ic l stage.It used grating as the feedback m easurem ent ele-m ent,solved the ARM and FPGA s response speed bottleneck prob lem s,overcam e the craw ling phenom enon by using tim e-subd ivi-sion,... |
| |
| Keywords: | ARM FPGA prec ision position ing grating |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
