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The simulation results indicate that the dynamical sliding-mode controller can not only track the given trajectory correctly but also reduce the chattering of sliding-mode control system considerably.
      
The relationship between the arrangement of ceramics and the force coefficient shows that the maximum excitation efficiency will be obtained when the ceramics are placed at the trough of the first bending mode of the stator.
      
The micromotor operates with the first bending mode at 53 kHz.
      
New kind of subarea-parallel scanning mode for laser metal deposition shaping
      
A scanning mode is the key technology in a laser metal deposition shaping (LMDS) fabrication process.
      
A new kind of subarea-parallel scanning mode for LMDS based on a subdividing profiled outline into monotonous polygon subareas is presented.
      
The practical application shows that the scanning mode can enhance the fabrication efficiency and quality.
      
The mode analysis technique for the axial strain change of any stick is used to detect the steel trusses with different damages.
      
Through the mode analysis of the liquid-solid coupled system, the first-order natural frequency, diaphragm vibration shape and amplitude-frequency relationship are obtained.
      
Ultrasonic linear motor using the L-B mode Langevin transducer with an exponential horn
      
An ultrasonic linear motor is proposed and fabricated by using the longitudinal and bending vibration double mode bolt-clamped Langevin type transducer to meet high power and speed requirements in the aerospace and semiconductor industries.
      
To enhance the performance of the electrorheological damper, which takes effect only when the stage is going to decelerate or position, the on-off and sliding mode control methods design and optimize the controller.
      
The results prove that by using the advanced sliding mode control method, the characteristics of the ultra-precision air bearing stage can be effectively improved through the introduction of the electrorheological damper.
      
The differences of E2 and A1(LO) mode in two samples are discussed.
      
This peak is attributed to the defect-induced vibrational mode.
      
Mean-square displacements and long-time tracer-diffusion coefficients are calculated with two alternative approximations, i.e., a mode-coupling scheme and a single relaxation time ansatz.
      
The scanning electron microscope (SEM) images demonstrate that the film grown is in "island-mode".
      
Finally, the expression of the group velocity of the guided mode in optical planar waveguide was obtained, which clearly shows that the time delay upon total reflection is the sum of the group-delay time and the Goos-H?nchen time at given any time.
      
Evolution of InAs islands in the Stranski-Krastanow mode of InAs/GaAs(001) fabricated using molecular beam epitaxy
      
Finally, we will give a physical mechanism of the dressed-state picture for the strong coupling between the single mode of an optical microcavity and the QD emitters to explain the details of the emission photon spectra.
      
 

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