PIC单片机列车沙盘的驱动电路设计+电路图
摘要如今茁壮发展的铁道事业，列车运行安全成为城市中轨道交通的最重要之处。传统的解决方案中，采用可编程逻辑控制器或类似的工控机来实现列车沙盘的控制系统存在高成本、低通用性等缺点，而采用列车沙盘模型搭建城轨交通路网运营安全保障模拟测试平台之仿真列车控制系统，实现城轨列车的运行图模拟和自动列车控制等，具有经济、安全、试验周期短等优点。因此本文针对城市列车轨道安全模拟沙盘，提出了采用PIC单片机设计分布式列车沙盘模型控制系统的驱动电路。82888
本文首先介绍了列车沙盘模驱动系统的原理和构架，然后重点介绍了电脑接口板、功放、信号解码器、区间反馈和道岔解码器的关键硬件设计，最后简述了列车控制系统相对应的软件设计，最后的运行结果表明所设计的控制系统具备列车控制、信号灯控制、道岔转换控制等功能，满足了城市列车轨道安全模拟系统沙盘的控制需要。
毕业论文关键词 模拟沙盘 PIC单片机 列车模型控制 驱动电路
毕业设计说明书外文摘要
Title Train Sandtable Drivecircuit Design
Abstract Now increasingly development of railway enterprise, train operation safety become urban rail transit priority。Traditional train model is realized by using programmable logic controller or industrial PC control system is the high cost and poor generality, and the train model building of urban rail transit network operation safety analog simulation test platform of the train control system, realizes the urban rail train running simulation and automatic train control and so on, has the advantages of economy, safety, short test period。So the safe operation of urban rail transit, the author of this paper simulate sand table, put forward the distributed model of train control system developed by the PIC microcontroller drive circuit。
This paper first introduces the principle and framework of sand mold train drive system, and then focus on the computer interface board, feedback amplifier, signal decoder, interval, and the key to switch decoder hardware design, finally summarized the train model software design, the final test results show that the developed control system has the train positioning and control, light and switch control, emergency rescue, control and meet the demand of urban rail transit operation safety control of sand table simulation。
Keywords Sandtable Simulation PIC microcontroller Trainmodel Control Drivecircuit
目 次
1 绪论 1
1。1 背景与意义 1
1。3 本文研究内容 2
2 列车沙盘模驱动系统的原理 4
2。1 列车模型系统总体设计 4
2。2 DCC信号标准 5
2。3 列车整体控制 11
2。4 485通信 12
3 PCB板的搭建 15
3。1 电脑接口卡 15
3。2 功放 20
3。3 信号解码器