Journal
COATINGS
Volume 12, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/coatings12030416
Keywords
electrode; flexible capacitive sensor; car bezel; 3D printing
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Funding
- Raytheon Chair for Systems Engineering
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This paper introduces the development of a flexible sensor for automotive entertainment applications. By using printed capacitive sensors, it is possible to lower the cost and enhance the detection capabilities. The study investigates the effects of electrode overlap, gap, and width on sensor performance and production costs. Additionally, a new generation of flexible printed sensors has been developed, surpassing traditional human-machine interface (HMI) sensors.
It is possible to employ printed capacitive sensors in car bezel applications because of its lower cost and higher detecting capabilities. In this paper, a flexible sensor for automotive entertainment applications has been developed using an electrode flexible sensor with an interdigitated pattern printed on it using screen printing and 3D printing fabrication processes. Design concerns such as electrode overlap, electrode gap and width on capacitance changes, and production costs were studied. In addition, a new generation of flexible printed sensors has been developed that can outperform conventional human-machine interface (HMI) sensors. The capacitance of the design pattern may be optimized by using a 15mm overlap and 0.5mm electrode line width. Due to the precision of interpolation, overlap has a larger effect on sensor performance than it would have without it.
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