In this paper a System for the automatic positioning of the heliostats of the Solar Power Tower plant is presented a clod detection system and a sun position algorithm will compute the exact position of the Sun, and the clouds will be detected next to the sun in order to preserve the integrity of the power tower's system. The main purpose of this system is to achieve a maximum efficiency. Change the positions of the heliostat to away from the sun, when the clouds are about to cover the sun. In

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... his way we can maintain the integrity of the system and to avoid damaging of the central receiver. The data that are used in the source code for the computation of the outputs from the given input parameters are also discussed. The system is successfully shock free and more efficient.