Articles | Volume 14, issue 1
https://doi.org/10.5194/ms-14-237-2023
© Author(s) 2023. 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-14-237-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Study on the vibration control method of a turboshaft engine rotor based on piezoelectric squeeze film damper oil film clearance
Qingxiong Lu
Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan 411201, China
Chao Li
Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan 411201, China
Yangyan Zhang
Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan 411201, China
Hao Fang
Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan 411201, China
Guangfu Bin
CORRESPONDING AUTHOR
Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, Hunan University of Science and Technology, Xiangtan 411201, China
Engineering Research Center of Mining Development Technology and
Equipment for Deep Sea and Earth, Ministry of Education, Hunan University of
Science and Technology, Xiangtan 411201, China
Related authors
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Ziyang Zhou, Guangfu Bin, Chao Li, Yaozhi Gao, and Maharaja Bayjid Md
Mech. Sci., 16, 375–390, https://doi.org/10.5194/ms-16-375-2025, https://doi.org/10.5194/ms-16-375-2025, 2025
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The two-span three-support rotor is a typical structure of rotating machinery such as steam turbine units, compressor units, and water pumps. When the elevation of the sliding bearing changes, the misalignment excitation of the coupling and the stiffness damping of the bearing will change accordingly, which will affect the vibration characteristics of the rotor. This paper can provide theoretical guidance and data support for the structural design and fault diagnosis of the two-span three-support rotor.
Huawen Peng, Bo Zou, Jingyun Yang, Rong Fu, Xingwu Ding, Da Zhang, and Guangfu Bin
Mech. Sci., 15, 461–472, https://doi.org/10.5194/ms-15-461-2024, https://doi.org/10.5194/ms-15-461-2024, 2024
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This study explores the actual demand of wide-frequency vibration isolation and low-frequency shock resistance of a vibration isolation system for complex external excitation of the aircraft turboprop engine. The performance of a type of turbo-propeller engine vibration isolation system at a 1.5–2000 Hz vibration frequency is investigated by combining simulation and experimental research. It provides the test basis and idea for the optimization of the aero-engine vibration isolation system.
Related subject area
Subject: Dynamics and Control | Techniques and Approaches: Experiment and Best Practice
Research on automated guided vehicle (AGV) path tracking control based on laser simultaneous localization and mapping (SLAM)
Simulated vibration characterization of the aero-turbine engine vibration isolation system under broadband random excitation
A novel generalized sliding mode controller for uncertain robot manipulators based on motion constraints
Robust trajectory tracking control for collaborative robots based on learning feedback gain self-adjustment
Optimal sensor placement and model updating applied to the operational modal analysis of a nonuniform wind turbine tower
Design of a steering mechanism for the three-wheel tilting motorcycle
Identification of eccentricity of a motorized spindle-tool system with random parameters
Analysis of the shift quality of a hydrostatic power split continuously variable cotton picker
Review article: State-of-the-art trajectory tracking of autonomous vehicles
A new magnetorheological elastomer torsional vibration absorber: structural design and performance test
Design and multichannel electromyography system-based neural network control of a low-cost myoelectric prosthesis hand
Novel semiactive suspension using a magnetorheological elastomer (MRE)-based absorber and adaptive neural network controller for systems with input constraints
Analysis on the lateral vibration of drill string by mass effect of drilling fluid
Realisation of model reference compliance control of a humanoid robot arm via integral sliding mode control
Wei Wang, Zhenhao Bao, Jiqiang Zheng, and Tianbo Wang
Mech. Sci., 16, 1–24, https://doi.org/10.5194/ms-16-1-2025, https://doi.org/10.5194/ms-16-1-2025, 2025
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In this paper, a fusion of the improved particle swarm algorithm and proportional–integral–derivative control algorithm in path tracking is investigated to improve the accuracy and robustness of path tracking of automated guided trolleys in complex environments. A robot operating system is introduced to provide a modular solution for the automated guided trolley system, which simplifies the integration of system components and provides a framework for system upgrading and expansion.
Huawen Peng, Bo Zou, Jingyun Yang, Rong Fu, Xingwu Ding, Da Zhang, and Guangfu Bin
Mech. Sci., 15, 461–472, https://doi.org/10.5194/ms-15-461-2024, https://doi.org/10.5194/ms-15-461-2024, 2024
Short summary
Short summary
This study explores the actual demand of wide-frequency vibration isolation and low-frequency shock resistance of a vibration isolation system for complex external excitation of the aircraft turboprop engine. The performance of a type of turbo-propeller engine vibration isolation system at a 1.5–2000 Hz vibration frequency is investigated by combining simulation and experimental research. It provides the test basis and idea for the optimization of the aero-engine vibration isolation system.
Zhaodong Wang, Lixue Mei, and Xiaoqun Ma
Mech. Sci., 15, 55–62, https://doi.org/10.5194/ms-15-55-2024, https://doi.org/10.5194/ms-15-55-2024, 2024
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To improve the trajectory tracking control performance for robot manipulators subject to uncertainty, a generalized sliding mode controller (SMC) is designed. In the first step, it is assumed that the dynamic model of robot manipulators is precisely known, and an ideal control is designed. In the second step, a smooth-function-based SMC is designed to prevent the chattering phenomenon caused by the discontinuous function and further enhance the robustness performance.
Xiaoxiao Liu and Mengyuan Chen
Mech. Sci., 14, 293–304, https://doi.org/10.5194/ms-14-293-2023, https://doi.org/10.5194/ms-14-293-2023, 2023
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Considering its practical engineering applications, a proportional-derivative-based robust controller is designed and applied to a nonlinear robotic system with uncertainty. With error- and model-based features, accurate position tracking can be achieved. The control feedback gain is automatically and iteratively adjusted by learning so that the desired performance of the system is optimized.
Mohammad Tamizifar, Masoud Mosayebi, and Saeid Ziaei-Rad
Mech. Sci., 13, 331–340, https://doi.org/10.5194/ms-13-331-2022, https://doi.org/10.5194/ms-13-331-2022, 2022
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We show how the operational modal analysis of a nonuniform wind turbine tower can be performed and used to acquire effective and reliable test results and dynamic behavior. Results show that a tailor-made genetic algorithm (using auto-MAC as the fitness function) is a practical approach to finding the optimal position of the sensors to obtain the best results for objective modes. We also accessed the updated finite element model with less than 1 % error compared to the frequencies from the test.
Ming-Yen Chang, Hsing-Hui Huang, and Zhao-Long Chen
Mech. Sci., 13, 189–206, https://doi.org/10.5194/ms-13-189-2022, https://doi.org/10.5194/ms-13-189-2022, 2022
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The main purpose of this study was to establish a design process for the 2F1R thee-wheel tilting mechanism and to reduce the turning radius to fulfill steering geometry in order to reduce the steering torque for a better handling feel. The results were compared with road tests of real vehicles to verify the model.
Wengui Mao, Qingqing Tang, and Dan Feng
Mech. Sci., 12, 715–723, https://doi.org/10.5194/ms-12-715-2021, https://doi.org/10.5194/ms-12-715-2021, 2021
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In order to improve the efficiency of identifying parameters using the maximum likelihood method and to avoid the sensitivity of initial values, a proposed method that combines the advance and retreat method with the micro-genetic algorithm allows the initial value, the iterative increment, and the search interval to be gradually changed, and the initial value to start from zero, which ensures a stable and fast convergence compared with other algorithms.
Wanqiang Chen, Zhaorui Xu, Yeqi Wu, Yehui Zhao, Guangming Wang, and Maohua Xiao
Mech. Sci., 12, 589–601, https://doi.org/10.5194/ms-12-589-2021, https://doi.org/10.5194/ms-12-589-2021, 2021
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Compared with the hydrostatic CVT used in the current cotton picker, the hydrostatic power split CVT has lower energy and fuel consumption. However, this kind of transmission usually has multiple speed regulation ranges, and the adjacent two ranges will produce impact and affect the driving comfort when shifting. In this study, the shift process of a hydrostatic power split CVT was analysed, and the results prove the feasibility of the application of this kind of CVT in the cotton picker.
Lei Li, Jun Li, and Shiyi Zhang
Mech. Sci., 12, 419–432, https://doi.org/10.5194/ms-12-419-2021, https://doi.org/10.5194/ms-12-419-2021, 2021
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This paper reviews the state-of-the-art trajectory tracking of autonomous vehicles. Autonomous vehicles have become more and more popular with the development of artificial intelligence and automatic control. If you have any interest in the trajectory tracking of autonomous vehicles, this paper is the one that you can not miss. It will give you a brief concept of the current development of the trajectory tracking of autonomous vehicles.
Pu Gao, Hui Liu, Changle Xiang, Pengfei Yan, and Taha Mahmoud
Mech. Sci., 12, 321–332, https://doi.org/10.5194/ms-12-321-2021, https://doi.org/10.5194/ms-12-321-2021, 2021
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1. A new type of MRE torsional vibration absorber (TVA) is devised. The modal analysis, the frequency tracking scheme, and the damping effect are intensely studied. 2. A transient dynamic simulation is carried out to validate the rationality of the machine structure. The magnetic circuit simulation analysis and the magnetic field supply analysis are performed to substantiate the intellectual of the TVA. 3. A special test rig is built to assess the frequency shift characteristics of the TVA.
Saygin Siddiq Ahmed, Ahmed R. J. Almusawi, Bülent Yilmaz, and Nuran Dogru
Mech. Sci., 12, 69–83, https://doi.org/10.5194/ms-12-69-2021, https://doi.org/10.5194/ms-12-69-2021, 2021
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A program is designed for the myoelectric hand with two control pathways, one for the thumb (controlled utilizing medial nerves) and the second for the rest of the fingers (controlled by the side nerves). The robotic hand was first printed with the use of a 3D printer.
Xuan Bao Nguyen, Toshihiko Komatsuzaki, and Hoa Thi Truong
Mech. Sci., 11, 465–479, https://doi.org/10.5194/ms-11-465-2020, https://doi.org/10.5194/ms-11-465-2020, 2020
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A novel bench-scale suspension plant, using magnetorheological elastomer (MRE)-based absorbers accompanied with an adaptive and global neural-network-based tracking controller, is introduced. The global adaptive neural network is used to estimate the uncertain dynamics of the quarter-car model. An auxiliary design system was added to the controller to deal with input constraint effects, and the state was analyzed for its tracking stabilization. All the signals are global, uniform, and ultimate.
Chunxu Yang, Ruihe Wang, Laiju Han, and Qilong Xue
Mech. Sci., 10, 363–371, https://doi.org/10.5194/ms-10-363-2019, https://doi.org/10.5194/ms-10-363-2019, 2019
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Our investigations concern the dynamics of drillstring, experiment apparatus for simulating drillstring vibration was established. Hammering method is used to measure drillstring lateral natural vibration frequency when the internal and external drilling fluid is considered. The test results show that the drilling fluid can decrease the natural frequency of the drillstring. Additional mass coefficient can get the result with high precision, which can meet the needs of the project.
S. G. Khan and J. Jalani
Mech. Sci., 7, 1–8, https://doi.org/10.5194/ms-7-1-2016, https://doi.org/10.5194/ms-7-1-2016, 2016
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Short summary
Helicopters are easy to hit by hard objects during operation, harming pilots. So, we want to provide some technical references for the safe operation of helicopters. What are the factors that affect the safety? Then we analyze how to control this factor through simulation and specific experiments and observe the vibration of the equipment. Finally, results show that the stability of the equipment can be enhanced by designing a certain device to adjust the influencing factors.
Helicopters are easy to hit by hard objects during operation, harming pilots. So, we want to...