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Data-driven model-free adaptive sliding mode control for electromagnetic linear actuator

Journal of Micromechanics and Microengineering, 2022
A data-driven model-free adaptive sliding mode control (MFASMC) method is proposed to tackle the problems of inaccurate model and time-varying parameters of a micro electro-magnetic linear actuator system, considering the dependence of existing model ...
Chaofan Gu   +5 more
semanticscholar   +1 more source

A new symmetrical Z-shaped compliant linear actuator based on parasitic motion principle

Smart materials and structures (Print), 2022
To meet the demand of designing piezoelectric actuators with long working stroke and high resolution, a new parasitic motion principle (PMP) linear actuator based on the symmetrical Z-shaped compliant mechanism was proposed in this paper.
Yanlin Xie, Yangmin Li, B. Cheung
semanticscholar   +1 more source

Double-Helix Linear Actuators

Journal of Mechanical Design, 2021
Abstract Many robotic systems require linear actuation with high forces, large displacements, and compact profiles. This article presents a series of mechanisms, termed double-helix linear actuators (DHLAs), designed for this purpose. By rotating the fixed end of a double-helix linear actuator, its helix angle changes, displacing at the ...
Andrew P. Sabelhaus   +5 more
openaire   +1 more source

A Pneumatic/Cable-Driven Hybrid Linear Actuator With Combined Structure of Origami Chambers and Deployable Mechanism

IEEE Robotics and Automation Letters, 2020
Pneumatic actuators have been widely used in robotics due to their inherent compliance and relatively high strength. In this letter, the authors report on the design, analysis and experimental validation of a novel pneumatic/cable-driven hybrid linear ...
Zhuang Zhang   +4 more
semanticscholar   +1 more source

A novel piezoelectric linear actuator designed by imitating skateboarding movement

Smart materials and structures (Print), 2020
By imitating skateboarding movement, a novel stick–slip piezoelectric linear actuator was proposed in this study. A specific flexure driving foot mechanism (FDFM) was designed to realize the bionic driving function, and theoretical analysis was conducted
Kuifeng Wang   +5 more
semanticscholar   +1 more source

Design and experimental performance of an inertial giant magnetostrictive linear actuator

Sensors and Actuators A: Physical, 2020
In order to meet the requirements of large stroke and high precision linear displacement, an inertial impact type giant magnetostrictive linear actuator was designed according to the principle of the inchworm motion.
Jingtao Zhou   +4 more
semanticscholar   +1 more source

A Linear Piezoelectric Actuator Based on Working Principle of Three-Petal Mouth of a Rabbit

IEEE transactions on industrial electronics (1982. Print), 2022
A ring-shaped linear piezoelectric actuator with three driving teeth is proposed and designed based on an axial-radial bending coupling vibration mode.
Jing Li   +5 more
semanticscholar   +1 more source

Synthesis of linear actuators

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, 2001
The synthesis of electro‐mechanic actuators is formulated as a constrained optimization problem where some performance function of the device is to be met, subject to the satisfaction of some constraints about its dimensions and supply conditions.
CANOVA, Aldo   +2 more
openaire   +3 more sources

Linear Actuator Modeling

2020 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus), 2020
Abstract-today, an electromechanical actuator is one of the common mechanisms used in automatic devices and various systems. A linear actuator moves objects within a given distance with a certain accuracy. The paper contains the main criteria that affect the choice of actuator.
Pavel I. Philatenkov   +2 more
openaire   +1 more source

Ratchet-integrated pneumatic actuator (RIPA): a large-stroke soft linear actuator inspired by sarcomere muscle contraction

Bioinspiration & Biomimetics, 2020
Pneumatic artificial muscles (PAMs) have a wide range of robotics applications, especially in soft robots, for their ability to generate linear force and displacement with the soft, lightweight, compact, and safe characteristics as well as high power ...
H. Cho   +3 more
semanticscholar   +1 more source

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