Research Article
A Longitudinal-Bending Hybrid Linear Ultrasonic Motor and Its Driving Characteristic
Table 2
Comparison between the proposed LUSM and 2 previous works.
| | Parameters | Tian et al. [13] | Tanoue and Morita [23] | The proposed USLM |
| | Working frequency (kHz) | 41.47 | 84.8 | 80.2 | | Weight of the stator (g) | 51.6 | 5 | 1.2 | | Size of the stator (mm) | 100.6 × 74.6 × 7 | 20 × 12 × 6.6 | 28 × 7 × 2 | | Maximum velocity (mm/s) | 1641 | 148 | 88.67 | | Maximum output power (mW) | 225 | 23 | 4.8 | | Maximum thrust force (mN) | 1176 | 294 | 99 | | Quantity of piezoelectrics (mm3) | 2280 | 400 | 24 | | Thrust force per weight (mN/g) | 22.8 | 58.8 | 82.5 | | Thrust force per piezoelectrics volume (mN/mm3) | 0.52 | 0.74 | 4.13 | | Output power per weight (mW/g) | 4.36 | 4.6 | 3.98 |
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