Flexible Parallel Robots

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "E:Engineering and Technology".

Deadline for manuscript submissions: closed (10 April 2021) | Viewed by 3288

Special Issue Editor


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Guest Editor
Department of Civil Engineering and Architecture (DICAR), University of Catania, 95125 Catania, Italy
Interests: parallel robots; flexible multibody dynamics; compliant mechanisms; reduced order models
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Special Issue Information

Dear Colleagues,

Parallel robots have been employed in a wide range of applications such as flight simulation, pick and place operation, pointing systems, assembly cells, medical fields, and haptic devices. It is known that the parallel architecture allows for positioning the actuators on the fixed base platform and, therefore, have a lightweight, moving structure. Furthermore, the greater stiffness deriving from closed kinematic chains makes parallel robots superior to serial robots when a high load capacity or high performance in terms of maximum achievable acceleration is required. However, the increasing demand for high performance to minimize processing times or maximize the quality of manufacturing requires increasingly rigid and lightweight materials, dynamic balancing strategies, vibration control, and compensation. If, in some areas, a high stiffness is sought, then in other areas, such as that of compliant parallel robots or parallel continuum manipulators, the flexibility of links allows movement and transfer of loads. Accordingly, this Special Issue seeks to collect research papers and review articles that focus on the elastodynamics of industrial parallel robots, new advances on spatial compliant robots, and parallel continuum manipulators.

Prof. Dr. Alessandro Cammarata
Guest Editor

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Keywords

  • elastodynamic modeling
  • flexible links
  • compliant parallel robots
  • parallel continuum manipulators

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Published Papers (1 paper)

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Research

11 pages, 4912 KiB  
Article
Design and Experimental Study of Space Continuous Robots Applied to Space Non-Cooperative Target Capture
by Yuwang Liu, Dongqi Wang, Yongchao Zhang, Zhongqiu Yuan, Jinguo Liu, Sheng Yang and Yi Yu
Micromachines 2021, 12(5), 536; https://doi.org/10.3390/mi12050536 - 9 May 2021
Cited by 4 | Viewed by 2691
Abstract
Space capture actuators face problems such as insufficient flexibility and electrical components that are vulnerable to extreme space environments. To address these problems, a centralized-driven flexible continuous robot based on a multiple scissor mechanism units is proposed in this study. The continuous robot [...] Read more.
Space capture actuators face problems such as insufficient flexibility and electrical components that are vulnerable to extreme space environments. To address these problems, a centralized-driven flexible continuous robot based on a multiple scissor mechanism units is proposed in this study. The continuous robot body is composed of two scissor mechanism units coupled in series, and the base container’s three motors to drive the robot. The two scissor mechanism units ensure a wide range of flexible operations and the light weight of the robot. The centralized drive with three motors not only reduces the number of driving sources, but also ensures temperature control and protection of electrical components in the space environment. The kinematics and dynamics of the robot are analyzed, and the workspace and deformation performance of the robot are verified through experiments. Compared with other continuous robots, the proposed continuous robot retains the characteristics of continuous robots in a wide range of flexible operations. At the same time, the configuration is light and a small number of driving sources are used, which is suitable for extreme temperatures, vacuum, radiation, and strict resource-constrained environments in space. Full article
(This article belongs to the Special Issue Flexible Parallel Robots)
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