A Novel Stick–Slip Piezoelectric Actuator Based on a Triangular Compliant Driving Mechanism

This article presented a new type of stick-slip piezoelectric actuator based on an asymmetrical flexure hinge driving mechanism. The key of the driving mechanism was a four-bar mechanism with different minimum thicknesses of right-circle flexure hinges. Combined with a symmetrical indenter, the asymmetrical flexure hinge driving mechanism generated controllable tangential displacement by changing the locking force. Therefore, the simple structured stick-slip piezoelectric actuator achieved considerable improvements especially in output speed and efficiency. In order to obtain improved actuator properties, the minimum thicknesses of asymmetrical flexure hinge driving mechanism, the tangential and normal displacements of the indenter were analyzed and investigated by finite element method. A prototype was fabricated and experiment investigation of the actuator characteristics was presented. Testing results indicated that the actuator achieved the maximum velocity of 15.04 mm/s and its maximum load reached 440 g under a voltage of 100 Vp-p and a frequency of 490 Hz. The maximum efficiency of the actuator was 3.66% with a load of 280 g under a locking force of 5 N and the actuated velocity of 10.17 mm/s.

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Design, Analysis, and Experiment on a Novel Stick-Slip Piezoelectric Actuator with a Lever Mechanism

Micromachines ◽

10.3390/mi10120863 ◽

2019 ◽

Vol 10 (12) ◽

pp. 863 ◽

Cited By ~ 1

Author(s):

Weiqing Huang ◽

Mengxin Sun

Keyword(s):

Piezoelectric Actuator ◽

Simple Structure ◽

Fast Response ◽

Displacement Sensor ◽

Design Parameters ◽

The Finite Element Method ◽

Stick Slip ◽

Lever Mechanism ◽

Series Of Experiments ◽

Stator Design

A piezoelectric actuator using a lever mechanism is designed, fabricated, and tested with the aim of accomplishing long-travel precision linear driving based on the stick-slip principle. The proposed actuator mainly consists of a stator, an adjustment mechanism, a preload mechanism, a base, and a linear guide. The stator design, comprising a piezoelectric stack and a lever mechanism with a long hinge used to increase the displacement of the driving foot, is described. A simplified model of the stator is created. Its design parameters are determined by an analytical model and confirmed using the finite element method. In a series of experiments, a laser displacement sensor is employed to measure the displacement responses of the actuator under the application of different driving signals. The experiment results demonstrate that the velocity of the actuator rises from 0.05 mm/s to 1.8 mm/s with the frequency increasing from 30 Hz to 150 Hz and the voltage increasing from 30 V to 150 V. It is shown that the minimum step distance of the actuator is 0.875 μm. The proposed actuator features large stroke, a simple structure, fast response, and high resolution.

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A stick–slip piezoelectric actuator with high consistency in forward and reverse motions

Review of Scientific Instruments ◽

10.1063/5.0025977 ◽

2020 ◽

Vol 91 (10) ◽

pp. 105005

Author(s):

Zhi Xu ◽

Xuan Li ◽

Kuifeng Wang ◽

Tianwei Liang ◽

Jingshi Dong ◽

...

Keyword(s):

Piezoelectric Actuator ◽

Stick Slip ◽

High Consistency

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Novel Precision PZT-Driven Micropositioning Stage with Large Travel Range

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.407-408.159 ◽

2009 ◽

Vol 407-408 ◽

pp. 159-162

Author(s):

Hua Wei Chen ◽

Ichiro Hagiwara

Keyword(s):

Dynamic Model ◽

Piezoelectric Actuator ◽

Dynamic Properties ◽

Flexure Hinge ◽

Slip Model ◽

Stick Slip ◽

Friction Effect ◽

Simulation Results

One novel long-travel piezoelectric-driven linear micropositioning stage capable of moving in a stepping mode is developed. The stick-slip friction effect between flexure hinge actuation tips with a sliding stage is used to drive the stage step-by-step through an enlarged displacement of piezoelectric actuator. In order to enlarge the travel range, magnifying mechanism is optimally designed by use of flexure hinge and lever beam. Moreover, dynamic model of such stage is proposed by consideration of reset integrator stick-slip model. The simulation results show that the stage has considerable good dynamic properties.

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A Novel Stick-Slip Type Rotary Piezoelectric Actuator

Advances in Materials Science and Engineering ◽

10.1155/2020/2659475 ◽

2020 ◽

Vol 2020 ◽

pp. 1-11

Author(s):

Yuan Wang ◽

Minglong Xu ◽

Shubao Shao ◽

Siyang Song ◽

Yan Shao

Keyword(s):

Piezoelectric Actuator ◽

Experimental System ◽

Driving Voltage ◽

Stick Slip ◽

Piezoelectric Stacks ◽

Long Stroke ◽

Fine Resolution ◽

Stick Slip Motion ◽

Slip Motion ◽

Sawtooth Waveform

A novel stick-slip rotary piezoelectric actuator is designed for optical use. The actuator is proposed, fabricated, and tested with the aim of realizing both fine resolution and a long stroke. The dynamic model of the actuator is established, and simulations are performed to discover how the input driving voltage affects the stick-slip motion of the actuator. An experimental system is built to evaluate the performance of the actuator at different frequencies, voltages, and numbers of driving piezoelectric stacks. Experimental results show that the minimal output stepping angle is 3.5 μrad (0.2 millidegrees) under a sawtooth waveform having a voltage of 13 V and frequency of 3000 Hz and that the velocity reaches 0.44 rad/s (25°/s) under a sawtooth waveform having a voltage of 93 V and frequency of 3000 Hz, while the stroke is infinite. The proposed actuator provides stable and accurate rotary motion and realizes a high velocity.

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An Umbrella-Shaped Linear Piezoelectric Actuator Based on Stick-Slip Motion Principle

IEEE Access ◽

10.1109/access.2019.2947449 ◽

2019 ◽

Vol 7 ◽

pp. 157724-157729 ◽

Cited By ~ 1

Author(s):

Jiafeng Yao ◽

Junjie Cai ◽

Yili Hu ◽

Jianming Wen ◽

Nen Wan ◽

...

Keyword(s):

Piezoelectric Actuator ◽

Stick Slip ◽

Stick Slip Motion ◽

Slip Motion

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A low frequency operation high speed stick-slip piezoelectric actuator achieved by using a L-shape flexure hinge

Smart Materials and Structures ◽

10.1088/1361-665x/ab8315 ◽

2020 ◽

Vol 29 (6) ◽

pp. 065007 ◽

Cited By ~ 2

Author(s):

Hu Huang ◽

Zhi Xu ◽

Jiru Wang ◽

Jingshi Dong

Keyword(s):

Piezoelectric Actuator ◽

High Speed ◽

Low Frequency ◽

Flexure Hinge ◽

Stick Slip

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A piezoelectric direct-drive servo valve with a novel multi-body contacting spool-driving mechanism: Design, modelling and experiment

Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science ◽

10.1177/0954406213483072 ◽

2013 ◽

Vol 228 (1) ◽

pp. 169-185 ◽

Cited By ~ 9

Author(s):

Guan Changbin ◽

Jiao Zongxia

Keyword(s):

Piezoelectric Actuator ◽

Dynamic Characteristics ◽

Driving Mechanism ◽

Direct Drive ◽

Nonlinear Dynamic Model ◽

Servo Valve ◽

In Series ◽

Dynamic Simulation Model ◽

Pulling Force ◽

Multi Body

Stack-type piezoelectric actuators, which usually consist of several ceramic layers connected in series, are widely used in piezoelectric direct-drive servo valves (PDDSV). However, poor pulling force capacity of this kind of actuators affects the performances of the direct-drive servo valves. This article presents a new type of PDDSV, whose spool-driving mechanism is composed of a set of independent parts that are not fixed together but are in contact with each other. This multi-body contacting spool-driving mechanism provides bidirectional movement of the spool by a preloaded stack-type piezoelectric actuator and a driving disc spring. This prevents the stack-type piezoelectric actuator from bearing the pulling force due to the inertia and friction of the spool. Design of the proposed servo valve is illustrated in detail and its characteristics are also predicted. Based on a nonlinear dynamic model of the multi-body contacting spool-driving mechanism, a comprehensive dynamic simulation model of the proposed PDDSV is established. Static and dynamic characteristics of the proposed PDDSV have been studied experimentally and good agreements between experimental and simulation results are observed. The dynamic performances of the proposed PDDSV are compared with the existing piezoelectric servo valves, which demonstrate that the proposed PDDSV has satisfactory dynamic characteristics for high-frequency applications.

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