Study of the Complex Stiffness of a Vibratory Mechanical System with Shape Memory Alloy Coil Spring Actuator

Table 2

Main parameters of the experimental test bench.

Parameter	Value
Total mass (kg)	0.4998
Unbalanced mass (kg)	0.006
Eccentricity (m)	0.033
Spring material	NiTi SMA
Number of active coils	7
Undeformed spring length (mm)	34
Spring wire diameter (mm)	2.02
Spring effective diameter (mm)	12