Machines, 2023 In the present day, unmanned aerial vehicle (UAV) technology is being used for a multitude of inspection operations, including those in offshore structures such as wind-farms.
Pedro Pereira +2 more
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Dynamic Interaction of a Heavy Crane and a Ship in Wave Motion [PDF]
Modeling, Identification and Control, 2018 Previous work on the dynamics of vehicle-manipulator systems is extended to offshore ships with heavy cranes. The proposed method is based on a Newton-Euler formulation where the forces of constraint are eliminated using projection matrices based on the ...
Geir Ole Tysse, Olav Egeland
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Parametric analysis and design of straight screw extruder for solids compaction
Journal of King Saud University: Engineering Sciences, 2019 Screw extruders are commonly used in the food and polymer industries. Scientifically designed screw extruders for biomass compaction equipment are required to limit the existing problems faced in the industry. In this study, models based on the plug flow
Joseph I. Orisaleye, Sunday J. Ojolo
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A Mathematical Modeling and Analysis Method for the Kinematics of a Maglev Train
Machines, 2022 In recent years, more and more countries are paying attention to maglev transportation because of its outstanding advantages. However, because the structure of a maglev train is more complex than a wheel-rail train, there is no systematic theory method ...
Mingxin Liu +4 more
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Vision-Based Hybrid Controller to Release a 4-DOF Parallel Robot from a Type II Singularity
Sensors, 2021 The high accuracy and dynamic performance of parallel robots (PRs) make them suitable to ensure safe operation in human–robot interaction. However, these advantages come at the expense of a reduced workspace and the possible appearance of type II ...
José L. Pulloquinga +5 more
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Spatial Stiffness Analysis of the Planar Parallel Part for a Hybrid Model Support Mechanism
Applied Sciences, 2020 The hybrid aircraft model support mechanism is subjected to six directional forces in the experiment, and high spatial stiffness requirement of the parallel part is the guarantee for the stability of the aircraft model.
Jiawei Gu, Zhijiang Xie, Xiaoyong Wu
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pyScrew4Mobility: Modul Python untuk Penentuan Mobilitas Manipulator Paralel Berbasis Teori Screw
Metal: Jurnal Sistem Mekanik dan Termal, 2020 This paper addresses the mobility determination of parallel manipulators (PMs) using screw theory with algebra methods on an open-source computer algebra package: Sympy (symbolic python).
Adriyan Adriyan
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Design of Formed Milling Cutter for Double-Helix Screw Based on Noninstantaneous Envelope Method
Advances in Mechanical Engineering, 2013 The design theory and method of formed milling cutter for double-helix screw of progressing cavity pump are presented. Through analyzing the shape and characteristic parameters of double-helix screw, the helicoids equation and axial curve equation of ...
Yun Li +3 more
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Research on Displacement Mode and Path Tracking Method of Square Combined Deployable Mechanism
Xibei Gongye Daxue Xuebao, 2019 The motion path of the developable mechanism can not only grasp whether the mechanism can move according to the expected law, but also provide theoretical support for motion control.
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Type synthesis of 6-DOF mobile parallel link mechanisms based on screw theory
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2022 Mobile parallel mechanisms (MPMs), which are parallel mechanisms with moveable bases, have previously been proposed to resolve the limited workspace of conventional parallel mechanisms.
Siying LONG +2 more
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