Application of Dual-Core Processors for Real-Time Data Acquisition and Dynamic System
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Abstract
This paper introduces a device enhancing not only real-time data acquisition but also signals generation inreal-time dynamic systems.The proposed device yields a great benefit for the instruction of control system due to the fact that it is able to 1) generate voltage signals of single-input single-output dynamic system of both first-order and second-order systems, 2) function as a data acquisition system of six input and two output channels, and 3) adjust the values ofvarious variables of the dynamic system in the form of a block diagram while working with the WinFACT/BORIS. In having dual processors function parallelly in data acquisition and signal generationin the dynamic systems, the calculation time for each cycle were as follows 1) the data acquisition between the processing board ESP32 and the WinFACT/BORIS functions at 0.05 seconds, and 2) the signal generation in the dynamic system functions at 0.01 seconds.The experiments have shown that the proposed device can be implemented in a control laboratory as it is capable of functioning in both real-time data acquisition and signal generation in real-time dynamic systems, in which all of the gained results were in accordance with those gained from experiments with MATLAB with a maximum of 4% discrepancy.In addition, with an ease of using block diagrams and the WinFACT/BORIS, the proposed device is therefore appropriate in laboratory contexts as the examples of dynamic system study and controller design were also demonstrated.
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