合肥市科技馆速度测试展台控制系统研制

Journal of Applied Sciences ›› 2005, Vol. 23 ›› Issue (3): 327-330.

• Research Notes • Previous Articles

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. 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

Abstract

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

CLC Number:

TP391.41

YIN Zhi-qiang, LI Fu-jun, JIANG Huai-wei, ZHU Wei-guo. Research and Development on Controlling System of Speed Measuring Platform in Hefei Science and Technology Museum[J]. Journal of Applied Sciences, 2005, 23(3): 327-330.

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

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