Parametric modeling and singularity analysis of a novel 6-PUS parallel robot driven by piezoelectric linear actuators

Xu, Dongmei; Xu, Chao; Cao, Chuqing; Yu, Simiao; Liu, Xianglong; Yang, Fan; Liang, Tenglin

doi:10.1007/s12206-024-0531-0

J Mech Sci Technol

2024

DOI: 10.1007/s12206-024-0531-0

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Parametric modeling and singularity analysis of a novel 6-PUS parallel robot driven by piezoelectric linear actuators

Dongmei Xu,

Chao Xu,

Chuqing Cao

et al.

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Impact contact mechanical characteristics assessment of piezoelectric material using the semi-analytical method

Lin,

Wang,

Wang

et al. 2024

Mathematics and Mechanics of Solids

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The objective of this paper is to study the impact mechanical performance of piezoelectric materials. Therefore, the three-dimensional frictionless impact contact between a piezoelectric half-space and a conducting rigid impactor is investigated. A semi-analytical impact contact model is developed based on the second-order Newmark method and discrete convolution-fast Fourier transform algorithm. The unknown impact reaction force of the impactors is obtained by exploiting the conjugate gradient method and the dichotomy method. A detailed parametric investigation is conducted on different types of impactors to explore the influences of several parameters, including electric charge density, time step, and impact velocity. The results reveal that the impact velocity and electric charge density have significant effects on the impact response of the piezoelectric material. Higher electric charge densities lead to a smaller impact reaction force, but a larger deformation. The insights gained from this study can be applied to analyze the impact response of charged particles of arbitrary shape on piezoelectric material.

show abstract

Impact contact mechanical characteristics assessment of piezoelectric material using the semi-analytical method

Lin,

Wang,

Wang

et al. 2024

Mathematics and Mechanics of Solids

View full text Add to dashboard Cite

show abstract

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Parametric modeling and singularity analysis of a novel 6-PUS parallel robot driven by piezoelectric linear actuators

Cited by 1 publication

References 26 publications

Impact contact mechanical characteristics assessment of piezoelectric material using the semi-analytical method

Impact contact mechanical characteristics assessment of piezoelectric material using the semi-analytical method

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