Abstract
Abstract This paper focuses on the development of a novel method for synthetizing an eddy current sensor using post-processing techniques based on the linear superposition of multiple parallel acquisition signals. The proposed method will be demonstrated in the context of a cross-wound sensor (CWS) made of a flexible printed circuit board (PCB). Traditionally, the configuration and detection orientation of an eddy current sensor are determined during the fabrication process, which limits the flexibility and versatility of the sensor. However, the method developed in this research enables the post-processing fabrication of the sensor, increasing the customization potential and adaptability. Furthermore, the proposed method also enables the production of a suitable lift-off sensor (LOS) for dynamic lift-off compensation (DLOC). DLOC is a crucial aspect of eddy current sensing as it helps to account for the distance between the sensor and the target surface, which can affect measurement accuracy. The ability to configure the CWS detection orientation with DLOC capabilities in post-processing offers significant advantages in terms of sensor performance and versatility. Experimental results will be presented that demonstrate the effectiveness of the proposed method in enabling post-processing fabrication of an eddy current sensor featuring configurable detection orientation and DLOC capabilities.
Published Version
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