Results 11 to 20 of about 7,213 (259)
A control system for a piezoelectric beam actuator, which had one or two control inputs, was a subject of numerical and laboratory research. The actuator had a prismatic shape with a rectangular cross-section and consisted of one layer of carrying ...
Dariusz Grzybek
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A Novel Self-Moving Framed Piezoelectric Actuator
Utilizing the inherent advantages of the piezoelectric driving technology, such as good adaptability to vacuum environment and no electromagnetic interference, a novel self-moving framed piezoelectric actuator is proposed, simulated, and tested in this ...
Liang Wang +4 more
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Linearity is an important factor that affects actuator accuracy. However, the high nonlinearity of KNN piezoelectric ceramics restricts their application in actuators.
Youming Zhang +4 more
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Design and Analysis of a Stepping Piezoelectric Actuator Free of Backward Motion
Although the stick-slip principle has been widely employed for designing piezoelectric actuators, there still exits an intrinsic drawback, i.e., the backward motion, which significantly affects its output performances and applications.
Xiaofeng Yang +6 more
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Design of a Low-Frequency Harmonic Rotary Piezoelectric Actuator
Piezoelectric actuators usually operate under a high frequency driving signal. Here we report a harmonic rotating piezoelectric actuator by coupling a harmonic wave generator and a friction rotor, in which the actuator can be actuated by a low-frequency ...
Kang Liang +4 more
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Modelling of the Coupled Beam-Piezoelectric Material With Hysteresis Non-Linerity Effect
Hysteresis is one of the non-linearity characteristics of the piezoelectric material. This characteristic is important to be characterized since it can affect the performance of the piezoelectric material as sensor or actuator in many applications.
Satar Mohd Hafiz Abdul +1 more
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A Linear Piezoelectric Stick-Slip Actuator via Triangular Displacement Amplification Mechanism
In the field of piezoelectric actuators, high speed piezoelectric stick-slip actuators have received considerable attention. A linear stick-slip piezoelectric actuator is proposed in this article, which combines asymmetric flexure hinge with triangular ...
Xiaohui Lu +6 more
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In this study, an event-triggered sliding mode control with hysteresis is proposed for motion tracking of a piezoelectric actuator (PEA) in the presence of uncertainties, disturbances, and nonlinear hysteresis characteristics.
Nguyen Ngoc Son +2 more
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Hysteresis Characteristics and MPI Compensation of Two-Dimensional Piezoelectric Positioning Stage
Piezoelectric positioning stage is the core component of precision positioning system and advanced instrument. Its hysteresis characteristics, especially rate-dependent characteristics, are the main factors affecting the positioning or control accuracy ...
Wanqiang Wang +3 more
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A model of a segmented electrode multilayer cantilever piezoelectric actuator was established to predict its actuation performance, and then, theoretical and numerical analyses of the strain nodes were performed based on normalized deflection and strain ...
Quan Bai, Xuejun Zheng
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