问题描述：
英语翻译
On automation system one can find three basic components mentioned before,plus a logic circuit that controls the system.An adequate technique is needed to project the logic circuit and integrate all the necessary components to execute the sequence of movements properly.For a simple direct sequence of movement an intuitive method can be used [1,5],but for indirect or more complex sequences the intuition can generate a very complicated circuit and signal mistakes.It is necessary to use another method that can save time of the project,make a clean circuit,can eliminate occasional signal overlapping and redundant circuits.The presented method is called step-by-step or algorithmic [1,5],it is valid for pneumatic and electro-pneumatic systems and it was used as a base in this work.The method consists of designing the systems based on standard circuits made for each change on the state of the actuators,these changes are called steps.
On automation system one can find three basic components mentioned before,plus a logic circuit that controls the system.An adequate technique is needed to project the logic circuit and integrate all the necessary components to execute the sequence of movements properly.For a simple direct sequence of movement an intuitive method can be used [1,5],but for indirect or more complex sequences the intuition can generate a very complicated circuit and signal mistakes.It is necessary to use another method that can save time of the project,make a clean circuit,can eliminate occasional signal overlapping and redundant circuits.The presented method is called step-by-step or algorithmic [1,5],it is valid for pneumatic and electro-pneumatic systems and it was used as a base in this work.The method consists of designing the systems based on standard circuits made for each change on the state of the actuators,these changes are called steps.
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