Results 11 to 20 of about 809,085 (214)

A New Gaining-Sharing Knowledge Based Algorithm with Parallel Opposition-Based Learning for Internet of Vehicles

Mathematics, 2023
Heuristic optimization algorithms have been proved to be powerful in solving nonlinear and complex optimization problems; therefore, many effective optimization algorithms have been applied to solve optimization problems in real-world scenarios.
Jeng-Shyang Pan, Li-Fa Liu, Shu-Chuan Chu, Pei-Cheng Song, Geng-Geng Liu   +4 more
doaj   +1 more source

Structure of Parallel Mechanism Combined with Waterbomb-Base-Inspired Origami

Engineering Proceedings, 2023
Structure from the geometry and analysis of the three-spherical kinematic chain-base parallel mechanism have been studied. The parallel mechanism evolved from an origami fold as chain legs with three spherical kinematic chains becoming rigid bodies.
Lulu Al Marjan, Shyh-Chour Huang
doaj   +1 more source

Analysis of Motion Errors of Linear Guide Pair Based on Parallel Mechanism

Machines, 2021
This paper systematically summarized the technical state of art and research results on the motion error of a linear guideway, corrected some misconceptions, and further clarified the relationship between the straightness error of the guide rail itself ...
Peng-Hao Hu, Ying-Jun Lei, Yang-Kai Ou
doaj   +1 more source

Structural-Parametric Synthesis of the RoboMech Class Parallel Mechanism with Two Sliders

Applied Sciences, 2021
This paper addresses the structural-parametric synthesis and kinematic analysis of the RoboMech class of parallel mechanisms (PM) having two sliders.
Zhumadil Baigunchekov, Med Amine Laribi, Giuseppe Carbone, Azamat Mustafa, Bekzat Amanov, Yernar Zholdassov   +5 more
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Type Synthesis and Analysis of a New Class of Bifurcation 3T2Rv Parallel Mechanisms With Variable/Invariable Rotational Axes

IEEE Access, 2021
Since the parallel mechanism has many advantages, such as high strength, high precision and so on, many industrial applications require mechanisms with three-dimensional translational and two-dimensional rotational motion (3T2R), 3T2R parallel mechanisms
Xuyu Hu, Hongzhao Liu
doaj   +1 more source

Design of a 3-DOF Parallel Manipulator to Compensate for Disturbances in Facade Cleaning

IEEE Access, 2020
This paper proposes a three-degree-of-freedom manifold composed of three linear actuators. The proposed mechanism consists of a workspace suitable for facade cleaning and can compensate for the horizontal position from disturbances in a gondola-based ...
Garam Park, Jooyoung Hong, Sungkeun Yoo, Hwa Soo Kim, Taewon Seo   +4 more
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Improving the Force Display of Haptic Device Based on Gravity Compensation for Surgical Robotics

Machines, 2022
Haptic devices are applied as masters to provide force displays for telemedicinal robots. Gravity compensation has been proven to be crucial for the accuracy and capability of force displays, which are critical for haptic devices to assist operators ...
Lixing Jin, Xingguang Duan, Rui He, Fansheng Meng, Changsheng Li   +4 more
doaj   +1 more source

A novel multi-link equivalent connection hinge for planar deployable antenna: configuration design, kinematic analysis, and performance validation

Results in Engineering
With the increasing diversification of space missions, large-aperture planar antennas are facing increasingly stringent requirements in terms of surface coplanarity, protrusion-free deployment, and modular scalability.
Bo Chen, Xinlu Wei, Shichao Sun, Zezheng Xing, Yundou Xu, Qifeng Cui, Yongsheng Zhao   +6 more
doaj   +1 more source

Optimizing the Rigid or Compliant Behavior of a Novel Parallel-Actuated Architecture for Exoskeleton Robot Applications

Frontiers in Robotics and AI, 2021
The purpose of this work is to optimize the rigid or compliant behavior of a new type of parallel-actuated robot architecture developed for exoskeleton robot applications.
Justin Hunt, Hyunglae Lee
doaj   +1 more source

A modular-type robotic arm design having effective torque-speed performance as configuration of coaxial-torque synthesis modules

Engineering Science and Technology, an International Journal
As the applications of robotic arms become increasingly diverse, achieving a high payload-to-weight ratio and superior speed performance has become a critical design consideration.
Jaeyong Lee, Hyomin Kim, Seyoung Cheon, Taeung Kim, Woosung Yang   +4 more
doaj   +1 more source