设计说明书 磁电编码器检测装置.pdf

摘 要 本文系统地介绍了基于磁电编码器的智能检测装置系统的组成、设计方案、电路 原理、程序设计以及系统调试与测试方案。磁电编码器的检测装置系统的核心是 STC12C5A08S2，选择较先进的绝对位置输出的磁电编码器元件 AS5145，以通用驱动元 件 74HC125 为驱动元件。由磁电编码器检测装置检测电机旋转角度并传输给单片机， 由单片机接收处理磁电编码器数据，通过人机界面显示磁电编码器输出。在结构上巧 妙地共用单片机，不但结构合理，而且为后期研究开发带来了便利。软件设计在硬件 电路基础上模块化设计。为使测控系统更便于实际应用，本系统中编码器还可使用菊 链模式同时测得多组不同装置数据。试验结果表明，系统具有良好的性能，对系统的 各个环节有待进一步优化和改进，基本上完成了课题要求。 关键词：磁电编码器 人机界面 STC 单片机 驱动芯片 I Abstract This paper introduces the composition, design, circuit principle, program design and system debug and testing scheme of Intelligent detection system which based on magnetoelectricity encoder adopts the STC12C5A08S2 as the core of the single chip microcomputer system,using advanced absolutely positioned output magnetoelectricity encoder components, and with general drive element 74HC125.By magnetoelectricity encoder detecting device rotation angle, received by the single-chip microcontroller processing magnetic encoder data, through man-machine interface display magnetic encoder output.Shared microcontroller in the structure cleverly, not only reasonable structure, and convenience for the research and development stage.The software part executes modular design based on hardware. To make it easier to practical application, the system can also be used in the encoder daisy chain mode simultaneously measured multiple different device data. The test results show that the system performs wellas expected.Some parts of the system remains to be further improved.The system can accomplish the basic requirements of the subject. Keywords: magnetoelectricity encoder ；HMI ；STC microcontroller ；driver IC