Abstract
Direct and Extended Piezoresistive and Piezoelectric Strain Fusion for a Wide Band PVDF/MWCNT-Based 3D Force Sensor
Highlights
3D force sensors are essential in many robotic, medical, and machining applications for quantifying the three axial forces simultaneously
The piezoresistive and piezoelectric characteristics of the multiwalled carbon nanotubes (MWCNT)/polyvinylidene fluoride (PVDF) strain sensor were influenced by the operating frequency
The MWCNT/PVDF sensor was found to be sensitive at frequencies lower than 100 Hz, and more noise was observed at high frequencies
Summary
3D force sensors are essential in many robotic, medical, and machining applications for quantifying the three axial forces simultaneously. These applications include task monitoring, excessive force prevention, and precision placement. They have many uses in the field of robot manipulation [1], surgical robots [2], machining applications [3]. 3D force sensors typically consisted of elastic structure and sensing elements, which quantify the strain at the elastic structure. Both elements significantly influence the sensor performance and criteria [4]. Some structure configurations could minimize the cross-coupling and improve the sensor
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