应用科学学报 ›› 2005, Vol. 23 ›› Issue (3): 327-330.

• 研究简报 • 上一篇    

合肥市科技馆速度测试展台控制系统研制

尹志强1, 李付军1, 蒋怀伟2, 朱卫国3   

  1. 1. 合肥工业大学机械学院, 安徽合肥 230009;
    2. 上海交通大学机械学院, 上海 200030;
    3. 合肥安达数控技术有限公司, 安徽合肥 230009
  • 收稿日期:2004-02-27 修回日期:2004-09-29 出版日期:2005-05-31 发布日期:2005-05-31
  • 作者简介:尹志强(1951-),男,河北保定人,副教授,E-mail:yinzq@mail.hf.ah.cn

Research and Development on Controlling System of Speed Measuring Platform in Hefei Science and Technology Museum

YIN Zhi-qiang1, LI Fu-jun1, JIANG Huai-wei2, ZHU Wei-guo3   

  1. 1. School of Machinery and Automobile Engineering, Hefei University of Technology, Hefei 230009, China;
    2. School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200030, China;
    3. Hefei A & D Numerical Control Technology Limited Company, Hefei 230009, China
  • Received:2004-02-27 Revised:2004-09-29 Online:2005-05-31 Published:2005-05-31

摘要: 系统采用AT89C55单片机为控制核心,高速红外线光电开关为输入信号,完成直线速度的测试和语音动画输出.在对语音芯片ISD1420深入实验研究的基础上,介绍了芯片工作模式和电气原理设计方法.分析研究了SED1335液晶显示模块,介绍了接口电路设计,以及汉字和图形的数据提取方法.

关键词: 单片机, 速度测试, 语音芯片, 液晶显示

Abstract: A linear speed measuring system, which has phonetic and animated output equipment, has been developed.The system's controlling CPU is a AT89C55 microcomputer, and it adopts quick reaction infrared photo triode as the input signal.The phonetic chip ISD1420 has been carefully researched, and the chip's working mode and basic circuit diagram are both described in the paper.Based on the study of SED1335 liquid crystal display device, the interface circuit between AT89C55 and SED1335 are introduced.

Key words: phonetic chip, liquid crystal display, speed measuring, single chip micro-controller

中图分类号: