Detecting Enclosed Board Channel of Data Acquisition System Using Probabilistic Neural Network with Null Matrix

Zhang, Dapeng, Lin, Zhiling and Gao, Zhiwei (2022) Detecting Enclosed Board Channel of Data Acquisition System Using Probabilistic Neural Network with Null Matrix. Sensors, 22 (15). p. 5559. ISSN 1424-8220

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Abstract

The board channel is a connection between a data acquisition system and the sensors of a plant. A flawed channel will bring poor-quality data or faulty data that may cause an incorrect strategy. In this paper, a data-driven approach is proposed to detect the status of the enclosed board channel based on an error time series obtained from multiple excitation signals and internal register values. The critical faulty data, contrary to the known healthy data, are constructed by using a null matrix with maximum projection and are labelled as training examples together with healthy data. Finally, the status of the enclosed board channel is validated by a well-trained probabilistic neural network. The experimental results demonstrate the effectiveness of the proposed method.

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