Results 1 to 10 of about 2,580,794 (302)
Dynamic Modeling and Analysis of Flexible-Joint Robots with Clearance
SensorsThe coupling effects of flexible joints and clearance on the dynamics of a robotic system were investigated. A numerical analysis was undertaken to reveal the coupling effects between flexible joints and clearance.
Jing Wang +5 more
doaj +6 more sources
Evaluation of Joint Clearance Effects on the Shimmy of Nose Landing Gear
Aerospace, 2023 Through the establishment of a three-dimensional joint clearance model, the effects of joint clearances at different positions on shimmy stability are evaluated. In this paper, considering the radial, axial and coupling characteristics of joint clearance,
Yiyao Jiang +5 more
doaj +4 more sources
International Journal of Aerospace Engineering, 2020 Clearances in the joints of real mechanisms are unavoidable due to assemblage, manufacturing errors, and wear. The dual-axis driving and positioning mechanism is one kind of space actuating mechanism for satellite antenna to implement precise guidance ...
Zhengfeng Bai, Jijun Zhao
doaj +2 more sources
Mechanism and Machine Theory, 2020 The clearance in a translational joint affects the dynamic characteristics and leads to chaotic response of the mechanism. An experiment using a 3D translational joint with clearances was conducted to reveal the characteristics of the relative motion ...
Shaoze Yan
exaly +2 more sources
Posture and Dynamics Analysis of Hydraulic Support with Joint Clearance under Impact Load
Machines, 2023 A hydraulic support is one of the key pieces of equipment in a fully mechanized coal-mining face. The shaft is seriously worn due to repeated support shifting in coal-mining operations, and the hydraulic support bears a large amount of impact load in the
Qingliang Zeng +4 more
doaj +2 more sources
Dynamic analysis of a parallel robot with spherical joints with consideration for joint clearance
Nihon Kikai Gakkai ronbunshu, 2022 This paper proposes a dynamic analysis method for evaluating the vibrational behavior of a parallel robot having spherical joints with clearance. By using variables that represent the relative displacement between the elements of clearance joints as ...
Masumi OHNO, Yukio TAKEDA
doaj +3 more sources
Advances in Mechanical Engineering, 2017 The article introduces a general solution for dynamic analysis of a planar multibody system with revolute lubricated clearance joint. An improved transition force model is established, which includes dry contact force and hydrodynamic forces, accounts ...
Tao Zhang +3 more
doaj +2 more sources
Error estimation and compensation in 4R and P3R closed-chain mechanisms due to joint clearance: a comparative study [PDF]
Scientific ReportsFour-bar linkages form the fundamental configuration of many planar mechanisms, and joint clearance is one of the primary factors that introduce deviations from their intended output. This paper presents a performance assessment of planar mechanisms with
Ankur Jaiswal +5 more
doaj +2 more sources
Mechanism and Machine Theory, 2021 This work aims at presenting, in a comprehensive manner, several approaches to model and simulate closed loop topologies using the classical Lagrangian formulation.
F. Marques +4 more
semanticscholar +1 more source
International Journal of Mechanical System Dynamics, 2021 Due to assembly, wear and manufacturing errors and clearance in the joints are inevitable. When the clearance is introduced into a mechanical system, the impact force in the clearance joint will cause undesirable vibration of the system.
Zhengfeng Bai, Fusong Xu, Jijun Zhao
doaj +1 more source