| 基于CPLD的三轴转台姿态信号测量板卡的设计 |
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| 引用本文： | 刘广森,王新民,赵凯瑞.基于CPLD的三轴转台姿态信号测量板卡的设计[J].计算机测量与控制,2010,18(2). |
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| 作者姓名： | 刘广森 王新民 赵凯瑞 |
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| 作者单位： | 西北工业大学自动化学院,陕西,西安,710072 |
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| 摘 要： | 飞行控制系统半物理仿真中三轴转台姿态信号精确测量是实现闭环飞行控制仿真可靠、稳定运行的关键;文章介绍了一种基于CPLD的三轴转台姿态信号测量板卡,采用原理图和VHDL硬件描述语言完成了CPLD内部逻辑电路的设计;板卡上一片CPLD芯片完成了三轴转台姿态信号的实时测量与数据处理,C8051F005单片机实现与上位机的数据通信和指令的接收;测量数据和上位机指令均采用Modbus协议在RS485总线上传输;在半物理仿真中的实测结果表明:姿态角测量误差小于3″,使用CPLD降低了成本,提高了数据处理速度和计算精度,数据传输稳定。
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| 关 键 词： | 三轴转台 半物理仿真 Modbus协议 CPLD |
Design of Three-axis Rotary Table Attitude Signals Measurement Board based on CPLD |
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| Liu Guangsen,Wang Xinmin,Zhao Kairui.Design of Three-axis Rotary Table Attitude Signals Measurement Board based on CPLD[J].Computer Measurement & Control,2010,18(2). |
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| Authors: | Liu Guangsen Wang Xinmin Zhao Kairui |
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| Affiliation: | Institute of Automation/a>;Northwestern Polytechnical University/a>;Xi'an 710072/a>;China |
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| Abstract: | The precise measurement of Three-Axis Rotary Table attitude signals is critical to the stability and reliability of hardware-in-loop simulation for the flight control system.This paper presents a CPLD-based circuit board dedicated for Three-Axis Rotary Table attitude signals measurement.The CPLD was programmed by VHDL design files and schematic design files.And it completes Three-Axis Rotary Table attitude signals measurement and data processing synchronously.The C8051F005 single-chip sends the measurement ... |
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| Keywords: | three-axis rotary table hardware-in-loop simulation Modbus protocol CPLD |
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