Results 1 to 10 of about 180,495 (185)

Research on a New Type of Rigid-Flexible Coupling 3-DOF Micro-Positioning Platform [PDF]

open access: goldMicromachines, 2020
A new type of rigid-flexible coupling three degrees of freedom (3-DOF) micro-positioning platform with high positioning accuracy and high bearing capacity is developed, which consists of flexible drive mechanism and rigid platform.
Guilian Wang   +4 more
doaj   +8 more sources

Functional Design of a 6-DOF Platform for Micro-Positioning [PDF]

open access: goldRobotics, 2020
Parallel kinematic machines (PKMs) have demonstrated their potential in many applications when high stiffness and accuracy are needed, even at micro- and nanoscales.
Matteo-Claudio Palpacelli   +5 more
doaj   +5 more sources

Proposal of an Equal-Stiffness and Equal-Stroke 2D Micro-Positioning Platform Driven by Piezoelectric Actuators [PDF]

open access: goldActuators, 2020
Micro-positioning platform plays an important role in the field of precision positioning such as microelectronics, robotics and biomedicine. This paper proposes an equal-stiffness and equal-stroke 2D micro-positioning platform, which is driven by ...
Feng Sun   +7 more
doaj   +5 more sources

Sliding-Mode Active Disturbance Rejection Control for Electromagnetic Driven Compliant Micro-Positioning Platform [PDF]

open access: goldApplied Sciences, 2023
At the field of nanometer positioning and machining, high-precision tracking is a key technology of the micro-positioning platform which is driven by a voice coil motor.
Aihua Zhang, Jiqiang Song, Leijie Lai
doaj   +5 more sources

Iterative Learning and Fractional Order PID Hybrid Control for a Piezoelectric Micro-Positioning Platform [PDF]

open access: goldIEEE Access, 2020
The piezoelectric micro-positioning platform(PMP) has advantages in high displacement resolution and fast response, however, the serious hysteresis nonlinearity in the PMP restricts its positioning accuracy.
Miaolei Zhou   +3 more
doaj   +5 more sources

Design of a Novel Three-Degree-of-Freedom Piezoelectric-Driven Micro-Positioning Platform with Compact Structure

open access: goldActuators
In this paper, a novel three-degree-of-freedom piezoelectric-driven micro-positioning platform based on a lever combination compound bridge-type displacement amplification mechanism is proposed.
Chuan Zhao   +7 more
doaj   +5 more sources

Modeling and Control of Hysteresis Characteristics of Piezoelectric Micro-Positioning Platform Based on Duhem Model [PDF]

open access: goldActuators, 2022
The hysteresis characteristic of piezoelectric micro-positioning platforms seriously affects its positioning accuracy in precision positioning. It is important to design an effective hysteresis model and control scheme. Based on the analysis of the Duhem
Huawei Ji   +6 more
doaj   +3 more sources

Preliminary Design and Simulation Analysis of a Novel Large-Stroke 3-DOF Parallel Micro-Positioning Platform [PDF]

open access: goldMachines
Due to the various application scenarios of micro-positioning platforms, designing the structure of a micro-positioning platform that accommodates performance specifications for specific real-world applications presents significant challenges ...
Chunyu Li, Shengzheng Kang
doaj   +3 more sources

Design and Experimental Validation of a Flexible-Hinge-Based Manual Mechanism for Micro/Nano-Displacement Scaling [PDF]

open access: yesMicromachines
In this paper, a low-cost manual micro- and nano-displacement adjustment mechanism is proposed, based on the principle of flexible hinge transmission and micro-displacement scaling.
Songling Tian   +5 more
doaj   +2 more sources

Optimized Design of a Sub-Arc-Second Micro-Drive Rotary Mechanism Based on the Swarm Optimization Algorithm [PDF]

open access: yesMicromachines
The optimization of the micro-motion rotary mechanism aims to obtain the maximum rotation angle in a certain space and increase the compensation range of the micro-motion mechanism.
Na Zhang   +6 more
doaj   +2 more sources

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