Non-intrusive pressure measurement system: analysis of characteristics using neural networks

Non-intrusive measurement of pressure using ultrasonics is specifically designed for rapid diagnosis of hydraulic equipment where the conventional measurement instruments fail to make the necessary pressure readings within the sealed pipes. By applying the neural networks, the direct model and the inverse model of the non-intrusive measurement system have been built, which can be utilized to analyze the input-output characteristics of the system and provide an effective means for direct digital readings of the measurand. The modelling results have shown the effectiveness of the proposed modelling method with a low cost of computational complexity for easy implementation in a microcontroller.