Browsing Moksliniai ir apžvalginiai straipsniai / Research and Review Articles by Institution "Nanjing University of Aeronautics and Astronautics"

Now showing items 1-10 of 10

    • A disc-type high speed rotary ultrasonic motor with internal contact teeth 

      Qiu, Jianmin; Yang, Ying; Hong, Xin; Vasiljev, Piotr; Mažeika, Dalius; Borodinas, Sergejus (Applied sciences: Special issue: IWPMA (International Workshop on Piezoelectric Materials and Applications in Actuators), 2021)
      This paper presents a disc-type ultrasonic piezoelectric motor, which is designed for micro flying vehicles. It provides a high output rotation speed under low operating voltage, compared with common piezoelectric devices, ...

    • Design optimization of double ring rotary type ultrasonic motor 

      Borodinas, Sergejus; Vasiljev, Piotr; Mažeika, Dalius; Bareikis, Regimantas; Yang, Ying (Sensors and actuators A: Physical, 2019)
      This paper describes the design, optimization and experimental results of piezoelectric motor that uses the radial mode of excitation of the double rings stator. The main goal of the proposed design is to increase motor ...

    • Development of a new ultrasonic actuator based on Langevin bending transducer 

      Vasiljev, Piotr; Mažeika, Dalius; Borodinas, Sergejus; Yang, Ying; Wang, Yin (Archive of applied mechanics. Special issue: Piezoelectric materials and actuators, 2016)
      A new ultrasonic actuator based on a bending-type Langevin piezoelectric transducer has been developed. An actuator consists of a half-wavelength Langevin transducer and an aluminum plate that is mounted in the middle of ...

    • Disc type piezoelectric motor with two coaxial rotors 

      Mažeika, Dalius; Vasiljev, Piotr; Borodinas, Sergejus; Bareikis, Regimantas; Struckas, Arūnas; Yang, Ying (Sensors and actuators A: Physical, 2019)
      tA small disc type piezoelectric motor was developed that can be used for micro flying vehicles. Theoperating principle of the motor is based on radial-bending type hybrid vibrations. The stator of themotor is a bimorph ...

    • Improved depth characterization of internal defect using the fusion of shearography and speckle interferometry 

      Gu, Guoqing; Pan, Yun; Qiu, Chengchun; Zhu, Chengjie (Optics and Laser Technology, 2021)
      A hybrid nondestructive testing (NDT) approach based on the fusion of shearography and digital speckle pattern interferometry (DSPI) is proposed for depth characterization of internal defect. To this end, a novel dual-sensitive ...

    • Improved OCRA method based on the use of interval grey numbers 

      Stanujkic, Dragisa; Zavadskas, Edmundas Kazimieras; Liu, Sifeng; Karabasevic, Darjan; Popovic, Gabrijela (Journal of Grey System, 2017)
      Multiple Criteria Decision Making (MCDM) denotes the selection of the alternatives based on a set of, often conflicting, criteria. As a result of using it for solving a large number of decision-making problems, a number ...

    • Multifrequency piezoelectric energy harvester based on polygon-shaped cantilever array 

      Mažeika, Dalius; Čeponis, Andrius; Yang, Ying (Shock and vibration, 2018)
      This paper focuses on numerical and experimental investigations of a novel design piezoelectric energy harvester. Investigated harvester is based on polygon-shaped cantilever array and employs multifrequency operating ...

    • Piezoelectric cantilevers for energy harvesting with irregular design of the cross sections 

      Čeponis, Andrius; Mažeika, Dalius; Kulvietis, Genadijus; Yang, Ying (Mechanika, 2018)
      Results of the numerical and experimental investigations of the piezoelectric rectangular cantilevers with irregular design of the cross section area are presented in this paper. The aim of the investigation was to analyse ...

    • Real-time dual-channel speckle interferometry based on an improved dual-observation configuration with spatial phase-shifting 

      Gu, Guoqing; Pan, Yun; Qiu, Chengchun; Zhu, Chengjie (Measurement, 2021)
      This paper develops a real-time dual-channel speckle interferometry system based on an improved dual-observation configuration to address the issue of simultaneous measurement of the out-of-plane displacement and slope. A ...

    • Small size piezoelectric impact drive actuator with rectangular bimorphs 

      Mažeika, Dalius; Vasiljev, Piotr; Borodinas, Sergejus; Bareikis, Regimantas; Yang, Ying (Sensors and actuators A: Physical, 2018)
      A new small size linear type piezoelectric inertia-friction actuator has been developed. The actuator is self-inertia type and operation principle is based on the impact drive. Piezoelectric actuator has simple designand ...