Magnetostrictive Bioinspired Whisker Sensor Based on Galfenol Composite Cantilever Beam Realizing Bidirectional Tactile Perception

Table 1

Physical parameters of the whisker.

Material	Parameter	Value (unit)
Galfenol	Magnetostrictive coefficient	220 ppm
	Young’s modulus	70 GPa
	Poisson’s ratio	0.35
Beryllium-bronze	Young’s modulus	128 GPa
	Poisson’s ratio	0.42
Bias magnet	Bias magnetic field	190 mT
Hall	Measurable range	±150 Gauss