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畢業(yè)設(shè)計(jì)(論文)報(bào)告 題 目 基于 VHDL 交通燈系統(tǒng)的設(shè)計(jì) 系 別 專 業(yè) 班 級(jí) 學(xué)生姓名 學(xué) 號(hào) 指導(dǎo)教師 2020年 4 月 無錫科技職業(yè)學(xué)院畢業(yè)設(shè)計(jì)(論文) 基于 VHDL 交通燈系統(tǒng)的設(shè)計(jì) i 基于 VHDL 的交通燈系統(tǒng)設(shè)計(jì) 摘要 : 當(dāng)今時(shí)代是一個(gè)自動(dòng)化時(shí)代,交通燈控制等很多行業(yè)的設(shè)備都與計(jì)算機(jī)密切相關(guān)。因此,一個(gè)好的交通燈控制系統(tǒng),將給道路擁擠、違章控制等方面給予技術(shù)革新。隨著大規(guī)模集成電路及計(jì)算機(jī)技術(shù)的迅速發(fā)展,以及人工智能在控制技 術(shù)方面的廣泛運(yùn)用,智能設(shè)備有了很大的發(fā)展,是現(xiàn)代科技發(fā)展的主流方向。本文介紹了一個(gè)交通燈系統(tǒng)的設(shè)計(jì) , 模擬 實(shí)現(xiàn)了紅、綠燈 指揮交通 的功能 。 傳統(tǒng)的交通燈控制 系統(tǒng) 多數(shù)由單片機(jī)或 PLC 實(shí)現(xiàn) , 本文介紹 的是 基于 EDA 技術(shù)設(shè)計(jì)交通燈 系統(tǒng) 的一種方案 。 EDA 技術(shù)的一個(gè)重要特征就是使用硬件描述語言(HDL)來完成系統(tǒng)的設(shè)計(jì)文件 , 應(yīng)用 VHDL 的數(shù)字電路實(shí)驗(yàn)降低了數(shù)字系統(tǒng)的設(shè)計(jì)難度 ,這在電子設(shè)計(jì)領(lǐng)域已得到設(shè)計(jì)者的廣泛采用 。本設(shè)計(jì)就是 針對(duì)交通信號(hào)燈控制器的設(shè)計(jì)問題 , 提出了基于 VHDL 語言的交通信號(hào)燈 系統(tǒng)的硬 件實(shí)現(xiàn)方法 。 VHDL(即 超高速集成電路硬件描述語言 )是隨著可編程邏輯器件 (PLD)的發(fā)展而發(fā)展起來的一種硬件描述語言,主要用于描述數(shù)字系統(tǒng)的結(jié)構(gòu)、行為、功能和接口,是電子設(shè)計(jì)自動(dòng)化 (EDA)的關(guān)鍵技術(shù)之一。它采用一種自上而下 (topdown)的設(shè)計(jì)方法,即從系統(tǒng)總體要求出發(fā),自上至下地逐步將設(shè)計(jì)內(nèi)容細(xì)化,如劃分為若干子模塊,最后完成系統(tǒng)硬件的整體設(shè)計(jì)。它支持設(shè)計(jì)庫(kù)和可重復(fù)使用的元件生成,支持階層設(shè)計(jì),提供模塊設(shè)計(jì)的創(chuàng)建。 VHDL 設(shè)計(jì)技術(shù)對(duì)可編程專用集成電路 (ASIC)的發(fā)展起著極為重要的作用。 通過對(duì)系統(tǒng)進(jìn)行結(jié)構(gòu)分析 , 采用 了 層次 化的設(shè)計(jì)方法 , 給出了 各個(gè)模塊 的VHDL 程序 ,并且 利用 Max PlusⅡ 對(duì) 應(yīng)用 程序進(jìn)行了仿真 , 并給出了 相應(yīng)的 仿真結(jié)果 。 在用 VHDL 語言進(jìn)行電路設(shè)計(jì)時(shí) ,應(yīng)充分認(rèn)識(shí)到 VHDL 語言的特點(diǎn) ,從設(shè)計(jì)思想、語句運(yùn)用及描述方法上等多方面對(duì)電路進(jìn)行優(yōu)化設(shè)計(jì)。通過電路優(yōu)化設(shè)計(jì) ,可以使用規(guī)模更小的可編程邏輯芯片 ,從而降低系統(tǒng)成本。 關(guān)鍵詞 : 交通信號(hào)燈 、 VHDL、 仿真 無錫科技職業(yè)學(xué)院畢業(yè)設(shè)計(jì)(論文) 基于 VHDL 交通燈系統(tǒng)的設(shè)計(jì) ii The system design of traffic lights based on VHDL Abstract: The modern age is an era of automation, traffic light control equipment for many industries are closely related with the puter. Therefore, a good traffic light control system, will bring technical innovations for road congestion, illegal control, etc. With the rapid development of large scale integrated circuits and puter technology and the extensive use of intelligent devices in the control of artificial intelligence technology, intelligent devices have gotten great progress and bee the mainstream of the development of modern science . This paper describes the system design of traffic lights ,Simulation realized the function of red, green light directing traffic. Traditional traffic light control system is mostly achieved by a single chip or PLC, this paper introduces a scheme of the design of traffic signal systems based on EDA technology . An important feature of EDA technology is the use of hardware description language (HDL) to plete the system design documents, the experiment applied VHDL digital circuit reduces the difficulty of digital system design, which has been widely adopted by the designers of electronic area. This design puts forward a method of hardware implementation for traffic lights system based on VHDL language to resolve the design problem of traffic signal controller . VHDL (., ultra high speed integrated circuit hardware description language) is with the development of programmable logic devices (PLD) and developed a kind of hardware description language, is mainly used to describe the structure of the digital system, behavior, function and interface of electronic design automation (EDA) is one of the key technologies. (top down) it USES a topdown design method, namely from the overall system requirements, from top to down gradually to refine design content, such as divided into sub modules, finally pleted the overall design of the system hardware. It supports design library and reusable ponents to generate, support the class design, module design creation. VHDL design technology of programmable applicationspecific integrated circuit (ASIC) plays a very important role in the development. 無錫科技職業(yè)學(xué)院畢業(yè)設(shè)計(jì)(論文) 基于 VHDL 交通燈系統(tǒng)的設(shè)計(jì) iii Each module is given VHDL program by analyzing the structure of the system and using a hierarchical design method, and it applies Max Plus Ⅱ on the simulation of applications , and the corresponding simulation results are gained. When design the circuit with VHDL, we should be fully aware of the characteristics of VHDL language and optimize the circuit design from the design, the use of statements and methods of description, optimizing circuit design, we can use smaller programmable logic chip, thereby reducing system cost. Keywords: traffic light 、 VHDL、 simulation 無錫科技職業(yè)學(xué)院畢業(yè)設(shè)計(jì)(論文) 基于 VHDL 交通燈系統(tǒng)的設(shè)計(jì) iv 目錄 前言 ................................................................................................................................ 1 第一章 軟件的介紹 ...............................................................................