基于STC15W4K56S4單片機的點光源跟蹤系統設計

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基于STC15W4K56S4單片機的點光源跟蹤系統設計(論文11500字)
摘要
近年來,自然能源的采集、提取和利用一直是一個炙手可熱的話題,也是國家政府重視的發展項目和重要課題。現在能源的使用問題,我們已經不能單獨依靠傳統的能源,而在新能源中太陽能的采集,對于節能、減少二氧化碳等氣體的排放、節約不能重生能源等方面都意義重大。
本設計在于使用單片機結合傳感器、舵機、顯示模塊來實現點光源的追蹤電路設計,從而實現對太陽能的采集。本方案是利用STC15W4K56S4單片機控制舵機角度的轉變并用OLED 顯示太陽能充電板的電量。光敏電阻傳感器成功得到光源位置后,通過算法將其變為合適的模擬電壓并傳輸給單片機。單片機使用自己的A/D模塊將轉換后的信號遞給PWM。PWM控制模塊通過改變傳輸給轉向裝置的控制信號的占空比來控制其轉動合適的角度,使電池板對準點光源充電。最后采用OLED 顯示屏將充電板的充電電量。本系統需要再有點光源的情況下進行多次試驗,以便可以采集出電池板的充電波形。本實驗在一定程度上縮短了太陽能板的充電時間,提升了太陽能的使用率,在節源環保方面具有現實意義。
關鍵詞:光源;跟蹤;STC15W4K56S4;檢測;傳感器

Abstract
In recent years, the collection, extraction and utilization of natural energy has always been a hot topic, and it is also a development project and an important topic that the national government attaches importance to. Nowadays, the use of energy, we can not rely on traditional energy alone, and the collection of solar energy in new energy is of great significance for energy conservation, reduction of carbon dioxide and other gas emissions, and saving of energy.
The design is to use a single-chip microcomputer combined with a sensor, a steering gear, and a display module to realize the tracking circuit design of the point light source, thereby realizing the collection of solar energy. This solution uses the STC15W4K56S4 single-chip microcomputer to control the change of the steering angle and display the power of the solar charging board with OLED. After the photoresistor sensor successfully obtains the position of the light source, it is converted into a suitable analog voltage by an algorithm and transmitted to the microcontroller. The microcontroller uses its own A/D module to pass the converted signal to the PWM. The PWM control module controls the rotation of the appropriate angle by changing the duty ratio of the control signal transmitted to the steering device to charge the panel to the point source. Finally, the OLED display will charge the charging board. Finally, the OLED display will charge the charging board. The system needs to perform a number of tests with a little light source so that the charging waveform of the panel can be collected. This experiment has shortened the charging time of solar panels to a certain extent, and improved the utilization rate of solar energy, which has practical significance in terms of environmental protection.
Key words:light source;track;STC15W4K56S4;Detection;sensor
 

基于STC15W4K56S4單片機的點光源跟蹤系統設計
基于STC15W4K56S4單片機的點光源跟蹤系統設計


摘要    I
ABSTRACT    II
目錄    I
引言    1
第一章緒論    2
1.1 課題背景    2
1.2中外研究現狀    2
1.2.1國內發展現狀    2
1.2.2國外發展現狀    3
1.3 研究目的及意義    3
1.4研究內容    4
1.5方案設計思路    4
第二章 舵機控制與PWM控制的相關原理    5
2.1 PWM控制原理    5
2.1.1 STC15W4K56S4的PWM控制模塊結構及原理    5
2.1.2 PWM脈寬調速原理    6
2.2舵機驅動原理    6
第三章 點光源追蹤系統硬件設計    8
3.1單片機電路    8
3.1.1 STC15W4K56S4單片機簡介    8
3.1.2 STC15W4K56S4運用引腳說明    8
3.1.3單片機最小系統    9
3.2 光信號采集電路    10
3.3 舵機與舵機控制器    11
3.3.1舵機的選擇    11
3.3.2 舵機控制器    13
3.5電源電路    15
3.5 OLED顯示電路    15
第四章 點光源追蹤系統軟件設計    17
4.1軟件系統概述    17
4.2 主程序流程圖    17
4.3 光敏傳感器模塊程序設計    18
4.4 PWM控制程序設計    20
4.5 舵機程序設計    21
4.6 OLED 顯示程序設計    22
4.7 實驗結果    23
結論    24
參考文獻    25
謝辭    26

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