4. Conclusion
The Implementation of Hydraulics System
and Solar Energy in Tennis Balls Collecting Machine
can reduce energy consumption. The capacity of
machine of picking up a tennis ball is 80 balls per
minute. When using machine without solar cell, the
machine can be operated 4 hour continuously and it
takes 4 hour for battery charging from electricity.
When connected solar cell to the machine, the machine
works uninterruptedly because the battery is
continuously charged by solar cell.