毕业论文--基于单片机的太阳跟踪系统

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1、基于单片机的太阳跟踪系统设计基于单片机的太阳跟踪系统设计 摘要摘要：针对现代社会能源越来越匮乏的现状，以常规能源为基础的能源结构随资 源的不断好用将愈来愈不适应可持续发展的需要。 太阳能是已知的最原始的能源 它干净、可再生、丰富，而且分布范围广，具有非常广阔的利用前景。但太阳能 利用效率低，这一问题一直影响和阻碍着太阳能技术的普及。太阳能自动跟踪系 统的设计为解决这一问题提供了新途径，从而大大提高了太阳能的利用效率。本 设计采用光电跟踪的方法，利用步进电机双轴驱动，由光电传感器根据入射光线 的强弱变化产生反馈信号到微机处理器。微机处理器运行程序，通过对跟踪机构 进行水平、 俯仰两个自由度的控制

2、， 调整太阳能电池板的角度实现对太阳的跟踪。 采用单片机来实现的太阳能追踪系统能有效提高太阳板的光电转化效率， 并具有 较广泛的应用前景。 关键词关键词：太阳能；跟踪；光敏二极管；单片机；步进电机 Design of Sun Tracking System Based on Single Chip Microcomputer Abstract: According to the status that increasingly lack of energy in modern society, conventional energy-based energy structure with th

3、e continuous consumption of resources will become increasingly unsuited to the needs of sustainable development. Solar energy is known as the most primitive energy, and it is clean、renewable、rich and wide distribution and has wide prospects of use. But the solar energy utilization efficiency is low;

4、 the problem has been influencing and hindering the popularity of solar energy technology. Solar energy to be automatic tracking system designed to solve the problem provide the new way which greatly improve the efficiency in the use of solar energy. This design uses the photoelectric tracking metho

5、d, and use the stepping motor driver, by photoelectric sensor incident, then the strength of the lights changes produce feedback signals to the computer processor, and computer processor will run the program, through the horizontal tracking mechanism and pitch two degrees of freedom control to adjus

6、t the angle of solar panels to achieve the tracking of the sun. Solar tracking system by single chip microcomputer to achieve can improve the efficiency of conversion of photoelectric Solar panels, and has a broad prospect of application. Key words: Solar energy;Tracking;Photosensitive diode ;SCM;Stepping motor 目目 录录 1 绪论绪论. 1 1.1 课题研究背景. 1 1.1.1 国外现状. 1 1.1.2 国内现状. 1 1.1.3 目前太阳能的开发和利用. 2 1.2 太阳光跟踪的方法. 2 1.2.1 光电跟踪. 2 1.2.2 时日运动轨迹跟踪介绍. 2 1.3 系统的原理叙述. 3 2 方案研究与选取方案研究与选取 5 2.1 方案一. 5