Results 61 to 70 of about 121 (103)

A Novel Flexible Multibody System Dynamic Analysis Platform of Tower Crane

Machines
Current research on tower crane control lacks high-fidelity models and fails to account for the coupling effects between the tower crane structure and the hoisting and luffing systems.
Zuqing Yu, Hongjing Li
doaj   +1 more source

Reduced order modeling and model order reduction for continuum manipulators: an overview. [PDF]

Front Robot AI, 2023
Sadati SMH, Naghibi SE, da Cruz L, Bergeles C.   +3 more
europepmc   +1 more source

Numerical Modeling and Analysis of Pendant Installation Method Dynamics Using Absolute Nodal Coordinate Formulation

Applied Sciences
Accurately simulating the deployment process of coupled systems in deep-sea environments remains a significant challenge. This study employs the Absolute Nodal Coordinate Formulation (ANCF) to dynamically model and analyze multi-body systems based on the
Yongkang Chen, Shiping He, Xinhao Luo
doaj   +1 more source

Contact Dynamics of a Rotary Drillstring System in Elliptical Wellbores

Machines
As drilling depths continue to increase in oil and gas operations, the associated downhole environment has grown more complex. Data from recent field measurements reveals significant differences between the major and minor axes of the wellbore cross ...
Haiquan Li, Chao Fang, Zhaohui Xu, Haibo Pang, Wei Liu, Maolin Liao   +5 more
doaj   +1 more source

The Development of a Robust Rigid–Flexible Interface and Continuum Model for an Elephant’s Trunk Using Hybrid Coordinate Formulations

Applied System Innovation
The goal of this study was to construct a mathematical and computational model that accurately represents the complex, flexible movements and mechanics of an elephant’s trunk.
Ahmed Ghoneimy, Mohamed O. Helmy, Ayman Nada, Ahmed El-Assal   +3 more
doaj   +1 more source

A computational framework for drop time assessment of a control element assembly under fuel assembly deformations with fluid-structure interaction and frictional contact

Nuclear Engineering and Technology
This paper presents a computational framework for drop time assessment of a control element assembly (CEA) under fuel assembly (FA) deformations. The proposed framework consists of three key components: 1) finite element modeling of CEA, 2) fluid ...
Dae-Guen Lim, Gil-Yong Lee, Nam-Gyu Park, Yong-Hwa Park   +3 more
doaj   +1 more source

An effective nonlinear dynamic formulation to analyze grasping capability of soft pneumatic robotic gripper

International Journal of Smart and Nano Materials
Soft pneumatic robotic grippers have found extensive applications across various engineering domains, which prompts active research due to their splendid compliance, high flexibility, and safe human-robot interaction over conventional stiff counterparts.
Qiping Xu, Chenhang Ying, Kehang Zhang, Huiyu Xie, Shiju E   +4 more
doaj   +1 more source

Dynamic Behavior and Libration Control of an Electrodynamic Tether System for Space Debris Capture

Applied Sciences
This study focuses on the dynamic responses and libration angle control of an electrodynamic tether (EDT) system with a flexible tether that was designed for space debris capture.
Woojae Jang, Yihun Yoon, Minjae Go, Jintai Chung   +3 more
doaj   +1 more source

ANCF-based dynamic modeling and control of an active tethered space robot in approaching phase

Scientific Reports
Herein we analyze the dynamic behavior of a tethered space robot (TSR) for on-orbit capturing, considering large deformation of the tether. The robot is deployed from the mother satellite by using a long, flexible tether and moving along the target ...
Ali Kasiri, Farhad Fani Saberi
doaj   +1 more source

Model Order Reduction for Rigid–Flexible–Thermal Coupled Viscoelastic Multibody System via the Modal Truncation with Complex Global Modes

Actuators
A spacecraft is a typical rigid–flexible–thermal coupled multibody system, and the study of such rigid–flexible–thermal coupled systems has important engineering significance.
Qinglong Tian, Chengyu Pan, Zhuo Liu, Xiaoming Chen   +3 more
doaj   +1 more source