[1] WANG L,LIU Y,LI K,et al.Development of a resonant type piezoelectric stepping motor using longitudinal and bending hybrid bolt-clamped transducer［J］.Sensors and Actuators A,2019,285:182-189.

[2] DONG X,JIANG C,JIN L,et al.A single-mode bidirectional ultrasonic motor using first-order radial vibration mode of piezoelectric vibrators［C］//［S.l.］:2019 22nd International Conference on Electrical Machines and Systems (ICEMS),2019.

[3] WU J,MIZUNO Y,NAKAMURA K.A traveling-wave ultrasonic motor utilizing a ring-shaped alumina/PZT vibrator［J］.Smart Materials and Structures,2019,28(12):125017 .

[4] FAN P,LI C.Simple bidirectional linear ultrasonic motor driven by single-phase signal［J］.Journal of the Brazilian Society of Mechanical Sciences and Engineering,2019,41(12):539.

[5] JIANG C,WU X,LU D,et al.Contact modeling and performance evaluation of ring type traveling wave ultrasonic motors considering stator teeth［J］.Ultrasonic,2021,117:106518.

[6] ZHANG B,CHEN F,LI H,et al.A friction-inertial-based rotary motor:Design,modelling and experiments［J］.Materials,2018,11(6):918.

[7] XU D,LIU Y,SHI S,et al.Development of anonresonant piezoelectric motorm with nanometer resolution driving ability［J］.IEEE/ASME Transactions on Mechatronics,2018,1:444-451.

[8] DONG Z,YANG M,CHEN Z,et al.Design and performance analysis of a rotary traveling wave ultrasonic motor with double vibrators［J］.Ultrasonics,2016,71:134-141.

[9] YU H,QUAN Q,TIAN X,et al.Optimization and analysis of a U-shaped linear piezoelectric ultrasonic motor using longitudinal transducers［J］.Sensors,2018,18(3):809.

[10] GU Y,XING J.Dynamics analysis for the clamping mechanisms of a rotary inchworm piezoelectric motor［J］.Journal of Vibroengineering,2016,18(4):2229-2239.

[11] WANG L,HOU Y,ZHAO K,et al.A novel piezoelectric inertial rotary motor for actuating micro underwater vehicles［J］.Sensors and Actuators A:Physical,2019,295:428-438.