Articles | Volume 9, issue 2
https://doi.org/10.5194/ms-9-307-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-9-307-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Sep 2018
Research article |
| 28 Sep 2018
| 28 Sep 2018
The nonlinear vibrations of orthogonal mechanism of vibrating table in view of friction
Zharilkassin Iskakov
CORRESPONDING AUTHOR
Almaty University of Power Engineering and Telecommunications, Institute of Mechanics and Machine Science, Almaty, 050010, Kazakhstan
Kuatbay Bissembayev
Abay Kazakh National Pedagogical University, Institute of Mechanics and Machine Science, Almaty, 050010, Kazakhstan
Nutpulla Jamalov
Al Farabi Kazakh National University, Institute of Mechanics and Machine Science, Almaty, 050010, Kazakhstan
Related authors
Zharilkassin Iskakov and Kuatbay Bissembayev
Mech. Sci., 10, 529–544, https://doi.org/10.5194/ms-10-529-2019, https://doi.org/10.5194/ms-10-529-2019, 2019
Short summary
Short summary
• Linear and cubic nonlinear damping can significantly suppress the resonance peak of the fundamental harmonic, eliminate the jumping phenomena.
• In resonance area, an increase in linear or cubic nonlinear damping significantly suppresses the ability to absolute displacement.
• In high speed areas, cubic nonlinear damping can slightly suppress the vibration amplitude and may slightly increase the moment of force transmissibility.
Zharilkassin Iskakov and Kuatbay Bissembayev
Mech. Sci., 10, 529–544, https://doi.org/10.5194/ms-10-529-2019, https://doi.org/10.5194/ms-10-529-2019, 2019
Short summary
Short summary
• Linear and cubic nonlinear damping can significantly suppress the resonance peak of the fundamental harmonic, eliminate the jumping phenomena.
• In resonance area, an increase in linear or cubic nonlinear damping significantly suppresses the ability to absolute displacement.
• In high speed areas, cubic nonlinear damping can slightly suppress the vibration amplitude and may slightly increase the moment of force transmissibility.
Related subject area
Subject: Mechanisms and Robotics | Techniques and Approaches: Numerical Modeling and Analysis
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Yushuai Fan, Xun Li, Xin Liu, Shuo Cheng, and Xiaohua Wang
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Haitong Liang, Hailing Fu, and Guangbo Hao
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Yufei Liu, Lang Wu, En Lu, and Jinyong Ju
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Haijun Xu, Liyang Xu, Yikun Feng, Xiaojun Xu, Yue Jiang, and Xue Gao
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Rui Liu, Yishan Zeng, Min Hu, Huabing Zhu, Changhai Liu, and Lei Wang
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In order to reduce the energy loss and improve the wear resistance of a piston–cylinder pair in an axial piston motor，an optimized tapered piston bore is designed and applied. A fluid–structure interaction numerical model and a new test rig of the friction force of the piston–cylinder pair are developed. Numerical analysis and experimental results show that the optimized tapered-shape piston bore in an axial piston motor can achieve a significant reduction in leakage flow and friction force.
Jian Qi, Yuan Gao, and Fufu Yang
Mech. Sci., 14, 171–178, https://doi.org/10.5194/ms-14-171-2023, https://doi.org/10.5194/ms-14-171-2023, 2023
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Enyi He and Shihao Yin
Mech. Sci., 13, 1011–1018, https://doi.org/10.5194/ms-13-1011-2022, https://doi.org/10.5194/ms-13-1011-2022, 2022
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Jinshuai Xu, Yingpeng Zhuo, Zhaohui Qi, Gang Wang, Tianjiao Zhao, and Tianyu Wang
Mech. Sci., 13, 991–1009, https://doi.org/10.5194/ms-13-991-2022, https://doi.org/10.5194/ms-13-991-2022, 2022
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Fufeng Xue and Zhimin Fan
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Yucheng Tang, Xiaolong Yang, Xiaojin Zhu, Shichao Zhou, Wenbin Zha, Yuxin Sun, and Yulin Wang
Mech. Sci., 13, 437–448, https://doi.org/10.5194/ms-13-437-2022, https://doi.org/10.5194/ms-13-437-2022, 2022
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Xinran Wang, Wen Li, Dongxu Hu, Xingjian Dai, and Haisheng Chen
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Wenjie Wang, Qing Tao, Xiaohua Wang, Yuting Cao, and Congcong Chen
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Juan Ignacio Valderrama-Rodríguez, José M. Rico, and J. Jesús Cervantes-Sánchez
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Yi Yang, Yaqi Tang, Haijun Chen, Yan Peng, and Huayan Pu
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With the requirement of heavy load for pick-and-place operation, a new 3-DoF asymmetric translational parallel manipulator is invented in this paper. This manipulator is assembled by a kinematic limb with the parallel linear motion elements(PLMEs), and a single loop 2-UPR. Owning to the linear actuators directly connecting the moving and the fixed platforms, this parallel manipulator has high force transmission efficiency, and adapts to pick-and-place operation under heavy load.
Chongfei Huai and Yaping Zhao
Mech. Sci., 10, 199–211, https://doi.org/10.5194/ms-10-199-2019, https://doi.org/10.5194/ms-10-199-2019, 2019
Gaspar Rodríguez Jiménez, David Rodríguez Salgado, Francisco Javier Alonso, and José María del Castillo
Mech. Sci., 9, 359–371, https://doi.org/10.5194/ms-9-359-2018, https://doi.org/10.5194/ms-9-359-2018, 2018
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The present work describes the design and build of a new completely mechanical propulsion system for manual wheelchairs for use in ascending or descending long ramps. The design is characterized by a self-locking mechanism that activates automatically to brake the chair when the user stops pushing. The main component of the propulsion system is a planetary gear train that can self-lock, this means that the user does not need to activate external brakes.
Chan-Jung Kim
Mech. Sci., 9, 259–266, https://doi.org/10.5194/ms-9-259-2018, https://doi.org/10.5194/ms-9-259-2018, 2018
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The conceptual design of balance shaft was very important process as how to locate the unbalance masses and corresponding supporting bearings. In this paper, the optimal conceptual balance shaft model was derived by using proposed objective functions for an inline 3-cylinder engine and an inline 4-cylinder one, respectively. Two kinds of optimal model were derived from simulations and efficient design guidelines was finally explained with design flowchart.
Wenjie Wang, Lingtao Yu, and Jing Yang
Mech. Sci., 8, 323–335, https://doi.org/10.5194/ms-8-323-2017, https://doi.org/10.5194/ms-8-323-2017, 2017
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Force sensing plays an important role in minimally invasive surgery. In this study, a new asymmetric cable-driven type of micromanipulator for a surgical robot was designed, and a joint angle estimator(JAE) was designed based on the dynamical model system. Closed-loop control of the joint angle was carried out by regarding the JAE output as the feedback signal. An external force estimator was designed using a disturbance observer. The experimental results shown the correctness and validity.
Santhakumar Mohan and Burkhard Corves
Mech. Sci., 8, 235–248, https://doi.org/10.5194/ms-8-235-2017, https://doi.org/10.5194/ms-8-235-2017, 2017
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This paper presents the complete dynamic model of a new six degrees of freedom (DOF) spatial 3-RPRS parallel manipulator. Further, a robust task-space trajectory tracking control is also designed for the manipulator along with a nonlinear disturbance observer. To demonstrate the efficacy and show the complete performance of the proposed controller, virtual prototype experiments are executed using one of multibody dynamics software namely MSC Adams.
Bingxiao Ding, Yangmin Li, Xiao Xiao, Yirui Tang, and Bin Li
Mech. Sci., 8, 117–126, https://doi.org/10.5194/ms-8-117-2017, https://doi.org/10.5194/ms-8-117-2017, 2017
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A flexure-based monolithic micro manipulation stage with large workspace is designed and analyzed. The piezoelectric actuators are adopted to drive the manipulation stage. The optimized lever amplifier is integrated into the mechanism in order to compensate the stroke of the piezoelectric actuators. The working range of the manipulation stage along each axis is ± 42.31 μm, ± 48.56 μm, 0–10.28 m rad, respectively.
Guoyong Yang, Hongguang Wang, Jizhong Xiao, Zuowei Wang, and Lie Ling
Mech. Sci., 8, 51–63, https://doi.org/10.5194/ms-8-51-2017, https://doi.org/10.5194/ms-8-51-2017, 2017
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This paper presents a gravity unloading facility to simulate micro-gravity environment of space. The facility unloads the gravity of artificial antenna of satellite and its pointing mechanism to test the performance of the pointing mechanism on the ground. The facility consists of two layers to unload gravity hierarchically and simultaneously while the antenna pointing mechanism consists of two joints. The calculation, simulation and experiments all show the effectiveness of the method applied.
R. Benoit, N. Delanoue, S. Lagrange, and P. Wenger
Mech. Sci., 7, 31–38, https://doi.org/10.5194/ms-7-31-2016, https://doi.org/10.5194/ms-7-31-2016, 2016
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We propose two Interval Analysis based methods to characterize novel robots. Interval analysis theory allows us to consider intervals instead of values, making it possible to use computer algorithms, without the drawback of rounding errors. The first proposed method can isolate chosen interest points and is applied to the characteristic cusp and node points of 3R orthogonal manipulators. The second method encloses the robot available postures, giving complementary information on the novel robot.
G. Hao and J. Mullins
Mech. Sci., 6, 75–80, https://doi.org/10.5194/ms-6-75-2015, https://doi.org/10.5194/ms-6-75-2015, 2015
N. Khan, I. Ullah, and M. Al-Grafi
Mech. Sci., 6, 29–34, https://doi.org/10.5194/ms-6-29-2015, https://doi.org/10.5194/ms-6-29-2015, 2015
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The problem of dimensional synthesis of mechanisms to trace a given closed curve is solved by (a) representation of curve shape using normalized Fourier descriptors and (b) learning the relation between Fourier descriptors and mechanism dimensions by an artificial neural network (ANN). The ANN developed suggests dimensions of a four-bar mechanism with coupler curve of shape similar to the one desired. The dimensions are further refined by optimization.
G. Palmieri
Mech. Sci., 6, 9–14, https://doi.org/10.5194/ms-6-9-2015, https://doi.org/10.5194/ms-6-9-2015, 2015
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This paper deals with an elasto-static analysis of a 2-DOF spherical parallel
wrist where the links and the joints are considered flexible. An FEM approach is used to analyze the problem in a series of configurations of the wrist. The results are elaborated in order to obtain continuous maps of the positioning and orientation errors over the workspace of the machine.
Q. Meng, Y. Li, and J. Xu
Mech. Sci., 4, 345–356, https://doi.org/10.5194/ms-4-345-2013, https://doi.org/10.5194/ms-4-345-2013, 2013
H. Mazhar, T. Heyn, A. Pazouki, D. Melanz, A. Seidl, A. Bartholomew, A. Tasora, and D. Negrut
Mech. Sci., 4, 49–64, https://doi.org/10.5194/ms-4-49-2013, https://doi.org/10.5194/ms-4-49-2013, 2013
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Short summary
• With a large load on the vibrating table, the oscillation of the motor shaft angular velocity and the effect of friction on it are more significant.
• Simulink model of the mechanism was developed for numerical calculations.
• Friction increases the difference between the maximum and minimum values of the angular velocity and the coefficient of non-uniformity of rotation.
• Sliding friction influences the frequency, the maximum and minimum values of the work-table kinematic parameters.
• With a large load on the vibrating table, the oscillation of the motor shaft angular...
