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In order to study the impact of structural parameters of eddy current displacement sensor based on Printed Circuit Board (PCB) design on performance, this paper utilizes Ansys simulation software to establish a model of the eddy current displacement sensor. It analyzes the influence of various parameters, including coil excitation frequency and the gap between the coil and the measured target, on the system’s equivalent impedance and induced voltage. Based on the optimized model, a sensor prototype is constructed, and an experimental platform is established. An error analysis is conducted to compare the simulation results with the measured results. The experimental results show that the error of the optimized system reaches ±1.5% in the full range, thereby verifying the accuracy and feasibility of the model. This study provides a theoretical foundation for the development and application of the eddy current displacement sensors.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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