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基于ATmega8的双轴太阳跟踪器设计
消耗积分:10 |
格式:rar |
大小:697 |
2011-01-04
贾桂林
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为提高太阳能的利用率，以ATmega8单片机为控制核心，设计了一套光电跟踪与视日运动轨迹跟踪互补控制的双轴太阳跟踪器。该跟踪器在晴天时，利用光敏电阻采集光强判断太阳位置,控制步进电机实现光电跟踪；在阴天时，采集时钟器件PCF8583的时间信息,计算当前太阳位置来实现视日运动轨迹跟踪。实验表明：该太阳跟踪器能在不同天气状况下对太阳进行较准确地跟踪，能量接收效率提高了30%，达到充分利用太阳能的目的。
- Abstract:
- To improve the utilization rate of solar energy，a kind of solar tracking controller which effectively combined the sun angle tracking and photo electric tracking based on ATmega8is designed.In the sunny days，the solar tracking con-troller determines the sun's position by using photosensitive resistances to collect light intensity and control stepper motors to achieve photo electric tracking，n cloudy days，it collects clock chip PCF8583time information to calculate the current position of the sun and achieve the sun angle tracking.Experimental results show the solar tracking controller accurately tracks the sun in different weather conditions，improves received energy efficiency by30%and reaches the purpose of full use of solar energy.
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