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畢業(yè)設計-基于at89c51單片機超聲波測距儀的設計(已修改)

2025-01-29 00:50 本頁面
 

【正文】 題 目: 基于單片機 超聲波測距儀的設計 系 (部): 電氣系 專 業(yè) 班: 姓 名: 學 號: 指導教師: 年 月 日 超聲波測距儀的設計 The design of a Silent Wave Measure Distance I 摘 要 隨著科技的發(fā)展,人們生活水平的提高,城市發(fā)展建設加快,城市給排水系統(tǒng)也有較大發(fā)展,其狀況不斷改善。但是,由于歷史原因合成時間住的許多不可預見因素,城市給排水系統(tǒng),特別是排水 系統(tǒng)往往落后于城市建設。因此,經(jīng)常出現(xiàn)開挖已經(jīng)建設好的建筑設施來改造排水系統(tǒng)的現(xiàn)象。城市污水給人們帶來了困擾,因此箱涵的排污疏通對大城市給排水系統(tǒng)污水處理,人們生活舒適顯得非常重要。而設計研制箱涵排水疏通移動機器人的自動控制系統(tǒng),保證機器人在箱涵中自由排污疏通,是箱涵排污疏通機器人的設計研制的核心部分??刂葡到y(tǒng)核心部分就是超聲波測距儀的研制。 因此,設計好的 超聲波測距儀 就顯得非常重要了。 本設計采用 以 AT89C51單片機為核心的低成本、高精度、微型化數(shù)字顯示超聲波測距儀的硬件電路和軟件設計方法。 整個 電路 采用模 塊化設計,由主程序、預置子程序、發(fā)射子程序、接收子程序、顯示子程序等模塊組成。 各探頭的信號經(jīng)單片機綜合分析處理,實現(xiàn) 超聲波測距儀 的各種 功能。 在此基礎上設計了系統(tǒng)的總體方案,最后通過硬件和軟件實現(xiàn)了各個功能模塊。相關部分附有硬件電路圖、程序流程圖。 經(jīng)實驗證明,這套系統(tǒng)軟硬件設計合理、抗干擾能力強、實時性良好,經(jīng)過系統(tǒng)擴展和升級,可以有效地解決 汽車倒車、建筑施工工地以及一些工業(yè)現(xiàn)場的位置監(jiān)控 。 關鍵詞: AT89c51。 超聲波 ; 測距 IIAbstract With the development of science and technology, the improvement of people39。s standard of living, speeding up the development and construction of the city. urban drainage system have greatly developed their situation is constantly improving. However, due to historical reasons many unpredictable factors in the synthesis of her time, the city drainage system. In particular drainage system often lags behind urban construction. Therefore, there are often good building excavation has been building facilities to upgrade the drainage system phenomenon. It brought to the city sewage, and it is clear to the city sewage and drainage culvert in the sewage treatment system. fort is very important to people39。s lives. Mobile robots designed to clear the drainage culvert and the automatic control system Free sewage culvert clear guarantee robot, the robot is designed to clear the culvert sewage to the core. Control System is the core ponent of the development of ultrasonic range finder. Therefore, it is very important to design a good ultrasonic range finder. At the core of the design using AT89C51 lowcost, high accuracy, Micro figures show that the ultrasonic range finder hardware and software design methods. Modular design of the whole circuit from the main program, pre subroutine fired subroutine receive subroutine. display subroutine modules form. SCM prehensive analysis of the probe signal processing, and the ultrasonic range finder function. On the basis of the overall system design, hardware and software by the end of each module. The research has led to the discovery that the software and hardware designing is justified, the antidisturbance petence is powerful and the realtime capability is satisfactory and by extension and upgrade, this system can resolve the problem of the car availably, building construction the position of the workplace and some industries spot supervision. Key words:AT89S52。 Silent Wave; Measure Distance III 目 錄 摘 要 I Abstract II 緒論 1 課題設計的目的 及其意義 1 超聲波測距儀 的設計思路 1 課題設計的任務和要求 2 1 課 題 的方案設計與論證 3 系統(tǒng)整體方案 的 設計 3 系統(tǒng)整體 方案的論證 3 2 系統(tǒng)的硬件結構設計 4 單片機的功能特點及測距原理 4 超聲波發(fā)射電路 6 超聲波檢測接 收 電路 7 超聲波測距系統(tǒng)的硬件電路設計 7 3 系統(tǒng)軟件的設計 9 超聲波測距儀的算法設計 9 主程序流程圖 10 超聲波發(fā)生子程序與超聲波接受中斷程序 11 系統(tǒng)的軟硬件的調試 18
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