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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
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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
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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
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Machines, 2022 The flight control effects and flight quality of the aircraft are influenced by the flap actuation system directly. The main motivation of this research is to develop a rigid-flexible model of the flap actuation system with clearance and to explore the ...
Qi Wan +4 more
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Dynamic Parameter Identification of a Pointing Mechanism Considering the Joint Clearance
Robotics, 2021 The clearance of the revolute joint influences the accuracy of dynamic parameter identification. In order to address this problem, a method for dynamic parameter identification of an X–Y pointing mechanism while considering the clearance of the revolute ...
Jing Sun, Xueyan Han, Tong Li, Shihua Li
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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
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Dynamics Analysis of Spatial Parallel Mechanism with Irregular Spherical Joint Clearance
Shock and Vibration, 2019 Clearances caused by machining accuracy and assembly requirements are regular, but they will be irregular due to the wear of the kinematic pairs. At present, there are few studies on wear of space kinematic pairs.
Xiulong Chen, Yuewen Li
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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
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Study on the Dynamic Performance of Joint Mechanism with Considering Oil Film Lubrication Clearance
Jixie chuandong, 2016 In order to study the dynamic performance of mechanism with lubricated clearance joint,an improved transition force model is established,accounts for not only squeeze-film effects,but also wedge-film effects,and is applicable to both long and short ...
Wang Xupeng +3 more
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Effect of Joint Clearance on Landing Gear Retraction Failure
Aerospace, 2021 A simple method of investigating the effect of joint clearances on landing gear retraction failure is presented and applied to the main landing gear with a single sidestay and a hydraulic actuator.
Sungjoon Cho, Hwanjeong Cho, Dooyoul Lee
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