一种高分辨力数字细分方法的研究  

Research on Digital Subdivision Method of a High Resolution

作　　者：龚宁博[1] 于殿泓[1] 郑毅[1] 李琳[1] 

机构地区：[1]西安理工大学机械与精密仪器工程学院,陕西西安710048

出　　处：《西安理工大学学报》2008年第1期114-118,共5页Journal of Xi'an University of Technology

基　　金：西安理工大学青年基金资助项目(102-210604)

摘　　要：为了实现磁栅信号的高精度数字化细分,采用高性能集成计数芯片LS7266实现系统的硬件细分,并运用单片机的软件算法对磁栅信号进行同步采样和细分。整个系统硬件结构简单。实践结果表明,该方法细分数高达1024,细分误差小,且便于误差修正。A high precision of digital subdivision method for magnetic bar signal is introduced in this paper. The high performance counting chip LS7266 is used to realize hardware subdivision of the magnetic bar signal, and the arithmetic software program of Single Chip Microcomputer is also used to synchronously sample and subdivide the magnetism bar signal so as to realize the digital subdivision. The whole hardware structure of the system is simple. The practical results indicate that the number of subdivision by this method can reach as high as 1 024,the small error of subdivision is easy to be modified.

关 键 词：磁栅信号 分辨力 数字细分 

分 类 号：TM937[电气工程—电力电子与电力传动]