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A time-domain characteristic of the field radiated by a circular TSA array has been investigated in paper. The possibility of patterns synthesis by excitation polarities of circular array element has been showed. The results of experimental measurements have coincided with the simulation results.
According to the tape tension requirements in the course of fruit-cultivating bag machine running, fuzzy self-adaptive PID controller is applied to tension control system and mathematics model is founded. The structure and controlling rules of PID controller has been analyzed. Process simulation is completed and proves that the method satisfied the request of moderate and constant tension, and the...
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