基于单片机的自整角机数字转换器的研制

Design and manufacture of selsyn-to-digital converter based on single-chip microcomputer

自整角机是一种用于角度测量的微型电机,其可输出包含角度信息的四路模拟信号,为了便于信息处理,需要将这些模拟信号数字化。本文针对现有国内外数字化转换技术存在的各种问题,介绍了一种以单片机为控制和处理核心的自整角机信号数字化方案。该方案主要包括硬件电路设计和系统程序设计,硬件电路包括:A/D转换模块、单片机模块、系统接口模块。系统程序包括:系统初始化、A/D转换时序控制、数值计算和数据输出。与现有技术相比,本方案电路简单,加工方便,精度高。

Selsyn is a kind of micro-motors for angle measurement and it can output four analog signals contained angle information. In order to facilitate information processing, we need to digitalize the analog signal. In this paper, aiming at various problems existing in digital conversion technology at home and abroad, a selsyn signal digitization design is presented. This design takes single-chip microcontroller as the controlling and processing core. The main contents of it include the hardware circuit design and system program design, The hardware circuit includes A/D conversion module, single-chip microcontroller module, and system interface module. The system program includes system initialization, A/D conversion timing control, calculation of values and data output. This design has simple circuit, high accuracy and is convenient to processing compared with the traditional technology.