Nowadays, one of the most significant problems for both community and industrial organizations is energy consumption. Many machines may be designed for the same purpose but the machine that consumes the least amount of energy is the most favourable. The machines which do the same job but with more efficiency, use less energy and are less harmful to the environment also reduce costs. In pneumatic actuators, the actuator which generates the greatest movement with the least amount of air consumption and least amount of pressure is the most efficient. To achieve this goal losses must be minimized." In fact, the energy source of a pneumatic actuator is the electrical energy consumed by the compressor Compressors, unlike pumps, due to some thermodynamic causes consume more electrical energy; For this reason energy consumption of the compressors has a serious effect on a plant's running expenses.
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