Academic literature on the topic 'Swing rotor'

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Journal articles on the topic "Swing rotor"

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Cao, Yang, Tiezhu Zhang, Hongxin Zhang, Zhen Zhang, Jian Yang, and Baoquan Liu. "Study of the Self-Locking Characteristics of the Swing Scraper of an Elliptical Rotor Scraper Pump." Machines 10, no. 5 (2022): 370. http://dx.doi.org/10.3390/machines10050370.

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This paper proposes an Elliptical Rotor Scraper Pump (ERSP) to address traditional displacement pump defects, such as complex structures, poor self-sealing, low volume utilization, and considerable noise, etc. The ERSP utilizes a swing scraper instead of one rotor in a conventional multirotor pump or reciprocating moving vanes in a traditional vane pump and can achieve high-pressure output through pressure self-sealing. The swing scraper can divide the working chamber into high- and low-pressure rooms. Due to the small swing amplitude of the scraper, the ERSP has low operating noise. The ERSP
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Flores, Jonathan, Sergio Salazar, Ivan Gonzalez-Hernandez, et al. "Control of Helicopter Using Virtual Swashplate." Drones 8, no. 7 (2024): 327. http://dx.doi.org/10.3390/drones8070327.

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This article presents a virtual swashplate mechanism for a mini helicopter in classic configuration. The propeller bases are part of a passive mechanism driven by main rotor torque modulaton, this mechanism generates a synchronous and opposite change in the propellers angle of attack, then the thrust vector tilts. This approach proposes to control the 6 degrees of freedom of the aircraft using two rotors. The main rotor controls vertical displacement and uses torque modulation and swing-hinged propellers to generate pitch and roll moments and the horizontal displacement while the yaw moment is
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Yang, Kang, and Yi Yang. "Application of FEM Analysis to Fault Diagnosis of Cracked Rotor." Applied Mechanics and Materials 37-38 (November 2010): 181–84. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.181.

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Based on the simple crack model and the finite element method (FEM) theorem, the corresponding dynamic equation of the cracked rotor based on FEM analysis is modeled and the numerical simulation solutions are obtained. By analyzing the dynamic characteristics of cracked rotor in diverse conditions, the properties of the un-cracked rotor and cracked rotor are discussed. A valid fault diagnosis method of cracked rotor is purposed. The method demonstrates that the cracked rotor can be identified by estimating if the swing of disk center obviously accretion and appear wave crest when rotate speed
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Murad, Nor Syaza Farhana Mohamad, Muhammad Nizam Kamarudin, and Muhammad Iqbal Zakaria. "Rotor angle deviation regulator to enhance the rotor angle stability of synchronous generators." International Journal of Electrical and Computer Engineering (IJECE) 14, no. 5 (2024): 4879. http://dx.doi.org/10.11591/ijece.v14i5.pp4879-4887.

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Occurrences of disturbance affect the rotor angle operation of a synchronous generator in the generation system of a power system. The disturbance will disrupt the synchronous generator's rotor oscillation and result in rotor angle instability, which will degrade the power system's performance. This paper aims to develop a Lyapunov-based rotor angle deviation regulator for the nonlinear swing equation of a synchronous generator. The proposed regulator is expected to assure asymptotic stability of the rotor angle and robustness to uncertainty. Backstepping and Lyapunov redesign techniques are e
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Wang, Chong, Shigong Zhang, Tiezhu Zhang, Hongxin Zhang, and Minghao Li. "Study of a Companion Trajectory Kinematics Analysis Method for the Five-Blade Rotor Swing Scraper Pump." Machines 12, no. 12 (2024): 877. https://doi.org/10.3390/machines12120877.

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This paper proposes a five-blade rotor swing scraper pump (FRSSP) to overcome traditional volumetric pumps’ drawbacks, such as poor sealing performance, low volumetric efficiency, and complex structure. This pump employs a rotating cam-swing scraper mechanism to achieve fluid intake and discharge. The FRSSP is compact in structure, self-sealing, and highly efficient in volumetric utilization, offering promising applications. A companion trajectory kinematic analysis method of the FRSSP is proposed. The polar coordinate equation of the companion trajectory is derived from the profile equation o
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Yang, Kang, and Yi Yang. "Simulation of Crack Dynamic Characteristics of Rotor Based on FEM Analysis." Advanced Materials Research 139-141 (October 2010): 2677–80. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.2677.

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A new simulation method is proposed for dynamic characteristics of cracked rotor based on the finite element analysis, in which the stiffness model has been derived for the exact description of variation rules of cracked shafts. A non-linear dynamic equation is constituted according to stiffness characteristic of cracked-rotor change in time domain. Then the corresponding dynamic equation of the cracked rotor based on FEM analysis is modeled and the numerical simulation is carried out with solutions of high accuracy. At last, the dynamic characteristics of cracked rotor in diverse conditions a
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Ding, Kongxing, Faxin Zhu, Qijiang Yang, et al. "Study on dynamic characteristics of bearing-rotor system under ship sway condition." Journal of Physics: Conference Series 2029, no. 1 (2021): 012032. http://dx.doi.org/10.1088/1742-6596/2029/1/012032.

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Abstract On condition that pans and tilts, ship bearing rotor system stability and security, as the change of ship swaying amplitude have influence, based on independent research and development of guangzhou maritime college design of vertical and horizontal swing test bench, simulate the real working condition of ships at sea, in the performance of bearing rotor system under rolling condition were studied. LMS_TEST. LAB modal tester software was used to analyze the dynamic characteristics and collect the experimental data of the bearing rotor system for analysis and research. In this paper, t
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XU, JianHua, Chen XIA, GuoPing HUANG, ZhiGuang ZHANG, and Tong ZHOU. "Analysis on the performance of micro swing rotor engine." SCIENTIA SINICA Technologica 47, no. 6 (2017): 596–604. http://dx.doi.org/10.1360/n092016-00426.

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Dekterev, A., A. Dekterev, A. Sentyabov, and S. Filimonov. "IMPLEMENTATION OF A NUMERICAL MODEL FOR THE CYCLOIDAL ROTOR AERODYNAMICS." Eurasian Journal of Mathematical and Computer Applications 13, no. 2 (2025): 43–49. https://doi.org/10.32523/2306-6172-2025-13-2-43-49.

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The paper presents a numerical model and calculations of the aerodynamics of a cycloidal rotor. The cycloidal rotor is a rotor consisting of blades located parallel to the rotor axis, and in addition to rotation, they perform a swing around their own axis, which allows the blade to maintain positive angles of attack and generate lift force in both its upper and lower positions. The numerical model of the flow around the rotor was based on computational fluid dynamics methods and described by the viscous, turbulent incompressible flow of air through the rotor. Discretization of the transfer equ
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Han, Tian, Jie Bai, and Zhong Jun Yin. "Dynamic Simulation Analysis of a Cracked Flexible Rotor Supported on Rotor-Rolling Bearing Based on Virtual Prototyping Technology." Advanced Materials Research 156-157 (October 2010): 293–97. http://dx.doi.org/10.4028/www.scientific.net/amr.156-157.293.

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The complex nonlinear dynamics of a rotor-rolling bearing system with crack is built by dynamic simulation software ADAMS. The transverse vibration response and swing response of rotor are studied on the basis of considering both the nonlinear contact force of rolling bearing and the impact of stiffness caused by crack. Furthermore, the influence factors of transverse vibration response are researched including speed, crack depth, crack angle and eccentricity. The simulation analysis demonstrated that it is an effective method to solve nonlinear dynamics of rotor-rolling bearing system with cr
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Dissertations / Theses on the topic "Swing rotor"

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Кафтарян, Левон Суренович, Левон Суренович Кафтарян, Levon Surenovych Kaftarian та Е. Ю. Куценко. "Исследования совместных радиально-угловых колебаний ротора в щелевых уплотнениях". Thesis, Издательство СумГУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/7914.

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Кафтарян, Левон Суренович, Левон Суренович Кафтарян, Levon Surenovych Kaftarian та Е. С. Линник. "Исследование совместных радиально-угловых колебаний ротора в щелевых уплотнениях". Thesis, Издательство СумГУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/7929.

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Позовний, О. О. "Аналіз радіальних коливань ротора відцентрового насоса". Thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/67519.

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Симоновський, Віталій Іович, Виталий Иович Симоновский, Vitalii Iovych Symonovskyi та В. О. Василевский. "Исследование несинхронных колебаний роторов турбокомпрессоров". Thesis, Сумский государственный университет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/40422.

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Как показали исследования последних лет, в ряде случаев колебания роторов турбокомпрессоров носят существенно полигармонический характер. Несинхронные субгармонические составляющие при относительно высоких частотах вращения могут достигать опасных амплитуд и служить признаком потери устойчивости. Наряду с экспериментальными исследованиями необходим теоретический анализ, основанный на создании достоверных дискретных нелинейных моделей роторных систем и анализе полигармонических колебаний, получаемых с помощью численного интегрирования этих моделей.
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Kim, Jong Jin. "Temporal and spatial correspondence of intramural rotors and epicardial breakthrough patterns during ventricular tachycardia and fibrillation in the swine heart." Birmingham, Ala. : University of Alabama at Birmingham, 2007. http://www.mhsl.uab.edu/dt/2007m/kim.pdf.

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CHEN, YI-CHENG, and 陳俋丞. "Swing rotor air motor." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/42511700070642388234.

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碩士<br>中華科技大學<br>機電光工程研究所碩士班<br>103<br>A new air motor is fabricated in this thesis by utilizing the mechanism of a novel compressor in modern air-condition appliances. The swing-type rotary piston provides extraordinary benefits of less friction, less number of parts and more endurance of product. By following the concept of the compressor, we redesign the inlet and outlet vents in 90 degree span angle to accommodate four stages of expanding cylinders. The thickness of each cylinder is thickened 1.4 times larger than its previous one as to recover the same force in every cylinder for the press
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Book chapters on the topic "Swing rotor"

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Kodama, Akio, Motonobu Goto, Tsutomu Hirose, and Toshimi Kuma. "Parametric Studies of a Silica Gel Honeycomb Rotor Adsorber Operated with Thermal Swing." In The Kluwer International Series in Engineering and Computer Science. Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1375-5_58.

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Conference papers on the topic "Swing rotor"

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Raghav, Vrishank, Alexander Forbes, Sorin Pirau, Brandon Liberi, and Narayanan Komerath. "Testing-Based Approach to Determining the Divergence Speed of Slung Loads." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9671.

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An approach is presented, to the long-term problem of certifying the safe limits for helicopter operations with slung loads of arbitrary geometry. Recent work showed that at least two combinations of roll and yaw oscillations would amplify in free flight without rotor wake swirl. The acquisition of detailed airload maps for arbitrary shapes, with sufficient resolution in attitude, became the primary aeromechanical obstacle to predicting divergence speed. The conventional approach is to use wind tunnel testing at a few sample conditions and computational predictions to fill in the detailed para
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Yoshida, Yasuo, and Miyoka Yajima. "Control of a Suspended Load Using Inertia Rotors." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/movic-8418.

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Abstract Rotational control and swing suppression of a crane suspended load model are studied. A rotational free rigid body suspended by a single rope is controlled using three inertia rotors. Control angles and angular velocities are derived from measured data of fiber optic gyros installed on the suspended load. Rotor angular velocities controlling the suspended load are obtained by integrating the computed regulator control feedback accelerations based on the coupling system’s dynamics. Experiments and simulations investigate simultaneous control of the load’s rotational orientation and swi
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Meng, G., W. Y. Qin, and T. Zhang. "The Swing Vibration and Transverse Oscillation of a Cracked Rotor and the Intermittence Chaos." In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/vib-21631.

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Abstract This paper studies the nonlinear dynamic response of a cracked rotor by taking the swing vibration of disc into consideration. The results show that if small crack appears, the frequency of transverse oscillation is synchronous with rotating speed ratio (Ω), and the frequency of swing vibration is NΩ (N = 1, 2 …). As the crack increases, the response becomes chaos in some range of Ω. The deeper the crack is, the wider the chaos range of Ω is. Routes to chaos include intermittence to chaos and quasi-period to chaos. When crack is fairly deep, there come some new resonance regions. In t
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Kodama, Akio, Yasuko Washio, Kumiko Okamoto, and Yugo Osaka. "Water Vapor Adsorption–Desorption Behavior of a Small Piece of Desiccant Rotor in Temperature Swing." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44591.

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This study aims to clarify the adsorption / desorption behavior of water vapor onto / from a desiccant rotor in temperature swing. A magnetic suspension balance followed time variations of the weight of a small piece of desiccant rotor at various desorption temperature, adsorption / desorption time and their duration time ratio. Adsorption-desorption swing in steady state settled down at certain amplitude of the amount adsorbed keeping the balance of the adsorption and desorption rates averaged over each period. At low regeneration temperature around 40–50°C, adsorption and desorption rates we
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Lee, Seung Jae, and H. Jin Kim. "Autonomous swing-angle estimation for stable slung-load flight of multi-rotor UAVs." In 2017 IEEE International Conference on Robotics and Automation (ICRA). IEEE, 2017. http://dx.doi.org/10.1109/icra.2017.7989532.

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Li, Bingfang, Songhao Yang, Yiwen Hu, Zhiguo Hao, Huan Xie, and Tianqi Zhao. "Rotor Angle Transient First-Swing Stability Analysis of Synchronous Condensers Near Wind Farms." In 2023 IEEE Power & Energy Society General Meeting (PESGM). IEEE, 2023. http://dx.doi.org/10.1109/pesgm52003.2023.10253368.

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Murad, Nor Syaza Farhana Mohamad, Muhammad Nizam Kamarudin, Muhamad Fahezal Ismail, and Sahazati Md Rozali. "Modelling of a Nonlinear Swing Equation for a Non-salient Pole Rotor Synchronous Generator." In 2024 IEEE 4th International Conference in Power Engineering Applications (ICPEA). IEEE, 2024. http://dx.doi.org/10.1109/icpea60617.2024.10498450.

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Liu, XiaoDong, HongYu Zhang, and Yong Xu. "Research on Anti-swing Problem of Underactuated Bridge Crane Based on Four-rotor Control Technology." In 2023 42nd Chinese Control Conference (CCC). IEEE, 2023. http://dx.doi.org/10.23919/ccc58697.2023.10240625.

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Guorui, Xu, Zhan Yang, Shi Jing, Wu Guodong, Zhao Haisen, and Kang Jinping. "The influence of rotor slot wedge material and conductivity on first swing stability of turbine generator." In 2017 IEEE Industry Applications Society Annual Meeting. IEEE, 2017. http://dx.doi.org/10.1109/ias.2017.8101866.

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Panetsos, Fotis, George C. Karras, and Kostas J. Kyriakopoulos. "A Deep Reinforcement Learning Motion Control Strategy of a Multi-rotor UAV for Payload Transportation with Minimum Swing." In 2022 30th Mediterranean Conference on Control and Automation (MED). IEEE, 2022. http://dx.doi.org/10.1109/med54222.2022.9837220.

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