Fig 1.
Schematic of proposed accelerometer (a) Top view (b) Side view.
Fig 2.
Design of proposed accelerometer (left) Isometric view (right) Exploded view.
Fig 3.
Calculated generated voltage vs applied acceleration by using mathematical modelling.
Fig 4.
Meshed model of proposed accelerometer.
Fig 5.
Mode shapes of the proposed accelerometer (a) 1073 Hz (b) 1426 Hz (c) 1433 Hz (d) 3883 Hz (e) 3902 Hz (f) 6647 Hz.
Fig 6.
Stress distribution on ZnO nanowires when an acceleration of 0.1 g is applied in the direction of (a) X-Axis (b) Y-Axis (c) Z-Axis
Fig 7.
Stress vs frequency response graph of ZnO nanowires when an acceleration of 0.1 g is applied in the direction of (a) X-Axis (b) Y-Axis (c) Z-Axis.
Fig 8.
Frequency vs generated voltage graph of ZnO nanowires when an acceleration of 0.1 g is applied in the direction of (a) X-Axis (b) Y-Axis (c) Z-Axis.
Fig 9.
Deformation of accelerometer subjected to acceleration of 0.1 g applied in the direction of (a) X-Axis (b) Y-Axis (c) Z-Axis.
Fig 10.
Frequency vs displacement graph of ZnO nanowires when an acceleration of 0.1 g is applied in the direction of (a) X-Axis (b) Y-Axis (c) Z-Axis.
Fig 11.
Acceleration vs stress graph of ZnO nanowires when a static acceleration up to 50 g is applied in the direction of (a) X-Axis (b) Y-Axis (c) Z-Axis.
Fig 12.
Applied acceleration vs generated voltage of ZnO nanowires when a static acceleration up to 50 g is applied in the direction of (a) X-Axis (b) Y-Axis (c) Z-Axis.
Fig 13.
Applied acceleration vs deformation of ZnO nanowires when a static acceleration up to 50 g is applied in the direction of (a) X-Axis (b) Y-Axis (c) Z-Axis.
Table 1.
Comparative analysis of previous studies with proposed sensors having piezoelectric nanowires.
Fig 14.
Comparison between mathematical modelling and FEM simulation.