Research on the Influence of Friction Pairs on the Output Characteristics of the Piezoelectric Ultrasonic Actuator

Deng, Jie; Cheng, Jianfei; Guan, Yuntian; Li, He; Lu, Feifei; Chen, Weishan

doi:10.3390/act11080212

Cited by 3 publications

(1 citation statement)

References 34 publications

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“…Piezoelectric actuators have the advantages of large output force, fast response and no electromagnetic interference [1][2][3][4][5]. They are widely utilized in robotics [6], aerospace [7] and biomedical fields [8].…”

Section: Introductionmentioning

confidence: 99%

A low speed piezoelectric actuator with high displacement smoothness and its multi-objective optimized method

Cheng,

Chen,

et al. 2023

Smart Mater. Struct.

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Piezoelectric actuators are widely utilized in the precision industry field, but the existing piezoelectric actuators are difficult to achieve high displacement smoothness at low speed, which limits the practical application of the piezoelectric actuators. This work proposes a piezoelectric actuator that can achieve high displacement smoothness through a multi-leg coordinated actuation principle. A multi-objective optimized method based on adaptive mutation genetic algorithm is utilized to design the driving leg by comprehensively considering five design variables. The design goal of the maximum displacement of the driving foot and the minimum size of the driving leg are achieved. A prototype is fabricated and the characteristics are tested. The experimental results demonstrate the effectiveness of the optimized method. High displacement smoothness at low speed is also achieved. The output displacements of the proposed actuator at different driving voltages and frequencies show no regression and intermittent motion. The linearity R 2 could reach 0.9978, and the low output speed of the actuator could reach 22.69 µrad s−1 at voltage of 100 Vp–p and frequency of 1 Hz.

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Section: Introductionmentioning

confidence: 99%

A low speed piezoelectric actuator with high displacement smoothness and its multi-objective optimized method

Cheng,

Chen,

et al. 2023

Smart Mater. Struct.

Self Cite

View full text Add to dashboard Cite

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An Anisotropic Biomimetic Lemongrass Flexible Piezoelectric Actuator - Inhibitory Regression

Liang,

Wang

et al. 2024

J Bionic Eng

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The Challenges of Piezoelectric Actuators and Motors Application in a Space Environment

Šišovas,

Čeponis,

Borodinas

2024

Actuators

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Piezoelectric actuators and motors are increasingly essential for space applications due to their precision, compactness, and efficiency. This review explores their advantages over traditional actuators, emphasizing their minimal electromagnetic interference, high responsiveness, and operational reliability in harsh space environments. This study highlights the challenges posed by space conditions such as vacuum, microgravity, extreme temperatures, and radiation, which require robust design and material considerations. A comprehensive review of missions using piezo actuators, including their operating principles, material advancements, and innovative designs tailored for space conditions. In addition, numerical calculations were performed by COMSOL Multiphysics 5.6 software with the aim of analyzing the impact of temperature variations typical of the low Earth orbit (LEO) on the electromechanical properties of the piezoelectric transducer. The results indicate significant variations in the characteristics of the resonant frequency, impedance, and phase frequency in a temperature range from −20 °C to 40 °C, emphasizing the importance of accounting for thermal effects in the design. The calculations show that advantages which are proposed by piezoelectric motion systems must be combined with adaptability to harsh environmental conditions and call for further research to enhance their robustness and performance for broader application in future space missions.

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Research on the Influence of Friction Pairs on the Output Characteristics of the Piezoelectric Ultrasonic Actuator

Cited by 3 publications

References 34 publications

A low speed piezoelectric actuator with high displacement smoothness and its multi-objective optimized method

A low speed piezoelectric actuator with high displacement smoothness and its multi-objective optimized method

An Anisotropic Biomimetic Lemongrass Flexible Piezoelectric Actuator - Inhibitory Regression

The Challenges of Piezoelectric Actuators and Motors Application in a Space Environment

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