Solar Beam Automatic Tracking Equipment Based On Vision

Energy resource consuming is more and more rapid along with the development of community economy.It has been the necessary condition for human being sustaining development that are saving energy sources and protecting environment.People attention is directing at the using and exploiture of the rebirth energy sources,but sun energy is the safety,the greenness and the ideal substitute energy in the future.But it also has the change of space distributing that made the low using percent of solar energy.Solar beam automatic tracking equipment provides the probability to solve this problem.Just in this background, the research of sun automatic tracking equipment based on vision is brought up and accomplished it in the paper.The characteristics of sun automatic tracking equipment in home and outside is analysed in the paper.Photoelectricity type checking equipment could decrease accumulative error by feedback part.But it couldn't examine and track the movement of the sun consecutively,because use a number of photosensitive resistances.In the base of those characteristics,the paper brings up the project to realize the tracking base on image sensor and DSP.Solar beam projects through the little hole on the top of the optical image part which is designed according to eyelet imaging theory,and becomes the solar facula on the screen.Image sensor which is put under the screen gathers the image information of the screen and outputs digital image signals.The digital image signals are given to DSP to process.Then the solar facula coordination on the screen,the elevation and the azimuth angle of solar will be obtained.The results will be transmitted to computer by asynchronous serial port and displaysd on the monitor.The DSP adjusts the position of optical image part according to the two angles,when the optical image part doesn't plumb up the solar beam.Using this way,solar beam automatic tracking will be realized.The solar beam automatic tracking equipment based on vision which selects the OV7670 image sensor and TMS320LF2407A DSP for core components according as the demands of system command.The corresponding system is designed in the paper and the results are imitated.The main works of the paper are optical image part design,collection circuit and periphery circuit of DSP design,software of the system,implement part design and so on.The experiment result indicates that the equipment fulfils measure desire and arrives at the expect purpose.