How to get more energy from your solar panels

As the seasons change, so does the angle of the Sun. In Summer time it is high in the sky, in winter time it is low in the sky. In order to best harness the suns energy for my solar panels, I put them on a tilting array. The only problem is I need to use a rope and my car to help adjust the angle! ... https://www.youtube.com/watch?v=xzowPdvct6M