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单片机控制半自动酶标仪_自动化专业论文范文

发布时间:2015-01-16 来源:人大经济论坛
自动化专业论文范文 摘 要 半自动酶标仪主要用于对人体体液各种的生化指标进行检测,为医生确定所有病人的病情提供科学依据。目前,酶标仪已经成为医疗机构进行临床诊断所必须的医疗仪器之一。本文以半自动酶标仪研发过程中电气系统及针对半自动酶标仪分析所开发的应用程序软件为主要内容,提出了完整可行的系统设计方案。 本文先介绍了以单片机为控制核心的控制系统,酶标仪的电子系统比较复杂,输入输出量多,对操作的实时性要求比较严格。控制系统需要完成如控制步进电机的运动,以保证微面板和滤光片运动平稳性和定位的准确性;对当前样品杯的多路模拟信号进行数据采集;实时的接收并完成应用程序软件的控制命令等多项任务。其次,本文还介绍了软件系统功能。 该设计的控制性能指标完全符合半自动酶标仪的系统设计要求,在设计过程中出现的问题,希望各位老师见凉,并给予指导和帮助。 关键词: 半自动酶标仪 单片机 控制系统 数据采集系统 The monolithic integrated circuit controls the semiautomatic enzyme sign meter Abstract The abstract semiautomatic enzyme sign meter mainly uses to human body's body fluid each biochemistry target carries on the examination, for doctor determined that all patient's condition provides the scientific basis. At present, the enzyme sign meter already became the Medical establishment carries on the clinical diagnosis to one of medical instruments. This article take the semiautomatic enzyme sign meter research and development process in the electrical system and the application procedure software which develops in view of the semiautomatic enzyme sign meter analysis as the primary coverage, proposed the complete feasible system design plan. This article introduced first take the monolithic integrated circuit as the control core's control system, the enzyme sign meter's electronic system is quite complex, the input output are many, is quite strict to the operation timely request. The control system needs to complete like the control to step-by-step electrical machinery's movement, guarantees the micro kneading board and the light filter movement stability and the localization accuracy; Carries on the data acquisition to the current sample cup's multi-channel simulated signal; The real-time receive and completes the application procedure software's control command and so on many duties. Next, this article also introduced the software system function. This design's control performance target meets the semiautomatic enzyme sign meter's system design requirement completely, has the problem in the design process, hoped that fellow teachers see coolly, and renders the instruction and the assistance. Keywords Semiautomatic Enzyme Sign Meter M.C.U Control System Data Acquisition System 目 录 第一章 绪论1 第二章 方案论证5 2.1系统的总体结构5 2.2 滤波片选择6 2.3 朗伯·比耳定律6 2.4光电检测器的选择7 2.5主控芯片的选择7 2.6 模拟数字转换系统的选择9 第三章 系统硬件设计11 3.1控制系统设计11 3.1.1 单片机概述11 3.1.2 单片机89C5112 3.1.3 时钟电路15 3.1.4 复位电路17 3.2 电机控制系统18 3.3 数据采集系统22 3.3.1 前置放大电路22 3.3.2 A/D转换23 3.4 LCD液晶显示26 3.4.1 引脚功能介绍26 3.4.2内部结构与工作原理27 3.4.3应用电路29 3.5 键盘单元29 3.6 报警电路31 3.7 通信单元32 3.8 小结33 第四章 软件设计34 结 论 36 致 谢37 参考资料38 附录 A40 附录 B51
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