A novel two-dimensional non-contact platform based on near-field acoustic levitation

Li, Wenjun; Zhang, Pengfei; Yang, Siyong; Cai, Shenling; Feng, Kai

doi:10.1016/j.ijmecsci.2023.108865

Cited by 4 publications

(2 citation statements)

References 67 publications

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“…Various approaches have been proposed for addressing this issue, employing various technologies such as air jets [4,5], magnetic forces [6,7], ultrasonic technologies [8,9], and soft actuators. Guelpa et al [4] introduced a modular conveyor designed for thin wafers in the photovoltaic industry, utilizing air jets to lift and push objects.…”

Section: Introductionmentioning

confidence: 99%

“…Zhang et al [6] developed a magnetic levitation system, providing 6-DOF and contactless operation of magnetized objects, promising swift and precise manipulations. Li et al [8] created a 2-DOF noncontact platform using near-field acoustic levitation. This platform enables 2-DOF transportation by vibrating two rails placed orthogonally using ultrasonic oscillators.…”

Section: Introductionmentioning

confidence: 99%

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2-DOF Woven Tube Plane Surface Soft Actuator Using Extensional Pneumatic Artificial Muscle

Kuriyama,

Takayama

2024

Hardware

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Soft actuators, designed for fragile item conveyance and navigation in complex environments, have garnered recent attention. This study proposes a cost-effective soft actuator, created by weaving tubes into twill patterns, capable of transportation and movement. The actuator achieves this by inducing traveling waves on its upper and lower surfaces through sequential pressurization of tubes. Notably, its fabrication does not require specialized molds, contributing to cost efficiency. The single actuator generates traveling waves with two degrees of freedom. Conventional silicone tube-based actuators demonstrate slow transport speeds (3.5 mm/s). To address this, this study replaced silicone tubes with pneumatic artificial muscles, enhancing overall body deformation and actuator speed. Experiments involving both extensional and contractional artificial muscles demonstrated that soft actuators with extensional artificial muscles significantly improved transportation and movement speed to 8.0 mm/s.

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