Academic literature on the topic 'Wheel Coupled Method (WCM)'

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Journal articles on the topic "Wheel Coupled Method (WCM)"

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Wang, Jun, Jian Xin Liu, and Yi Fan Li. "A New Method for Heavy-Haul Train Operation Monitoring." Advanced Materials Research 765-767 (September 2013): 2159–63. http://dx.doi.org/10.4028/www.scientific.net/amr.765-767.2159.

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Based on the vehicle-track coupled dynamic theory, a new method was developed to monitor the state of heavy-haul train, this method can dynamically monitor the wheel/rail dynamic safety performance of heavy-haul train in the dangerous operation condition. The results show that: wheel/rail dynamic action is obvious whether the wheel flat is new or old, and wheel flat could lead to mutational vertical force.
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Deng, Yaoji, Youqun Zhao, Han Xu, Fen Lin, and Qiuwei Wang. "Rigid-flexible coupling modelling and dynamic performance analysis of novel flexible road wheel." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 234, no. 1 (2019): 67–81. http://dx.doi.org/10.1177/1464419319874198.

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A novel flexible road wheel with hub-hinge-ring combined structure is introduced to improve the buffer damping performance and lightweight level of tracked vehicles. To balance computational efficiency and precision, an advanced rigid-flexible coupled model of the flexible road wheel is established using a hybrid modelling method combining finite element method and multi-body dynamics. The reliability and accuracy of the established rigid-flexible coupled model are verified by wheel static loading experiment. The modal flexible body of the elastic outer ring is developed by modified Craig-Bamp
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Li, Pengyang, Yunshuai Chen, Wei Li, Jian Sun, Jian Li, and Kai Wang. "Design of Longitudinal-Bending Coupled Horn of a Giant Magnetostriction Transducer." Actuators 11, no. 4 (2022): 110. http://dx.doi.org/10.3390/act11040110.

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This article presents a design method of Longitudinal-Bending Coupled Horn (L-BCH) of a giant magnetostrictive transducer utilized in spinning ultrasonic machining. The structural parameters are initially determined by the design theory of the horn and thick disc. Then, the effect of the structural parameters of the rotating wheel on the vibration characteristics of the L-BCH are explored by the model and harmonic response analysis through the finite element method. Through continuous modification of the geometrical parameters of the rotary wheel, the L-BCH meeting the requirements of a giant
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Layman, Christopher, and James Nelson. "Light rail wheel/rail noise radiation model using a coupled FE-BE method." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 266, no. 1 (2023): 1096–105. http://dx.doi.org/10.3397/nc_2023_0137.

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This paper presents the development of a coupled finite element - boundary element model of rolling noise from a resilient light rail wheel on several types of tracks. The vibro-acoustic model utilizes a 3D elastic solid representation for both wheel and rail which are excited by linearized Hertzian interface loads. Estimates of the radiated sound power, radiation efficiencies and wayside noise levels are obtained and then scaled using a parallel impedance framework and a roughness profile. Results are compared to recently measured vehicle passby noise and track decay rates at Sound Transit in
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Liu, Xuqi, Zhenxing He, Yukui Wang, Lirong Yang, Haiyong Wang, and Long Cheng. "The Wheel Flat Identification Based on Variational Modal Decomposition—Envelope Spectrum Method of the Axlebox Acceleration." Applied Sciences 12, no. 14 (2022): 6837. http://dx.doi.org/10.3390/app12146837.

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The wheel flat can cause train and rail system infrastructure damage and endanger the running safety. To monitor the early wheel flat, it is urgent to carry out the theoretical basic research on the relationship between the vibration signal and the wheel flat. Moreover, to extract the characteristics of the wheel flat, an advanced and effective signal processing method need to be studied. A three-dimensional vehicle-track coupled dynamics model verified by field test is established based on the multi-body dynamics at first. The acceleration of the axlebox excited by the different wheel flat le
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Tan, Di, Yanshou Wu, Kun Yang, Zhichang Qin, and Chao Ma. "A Study on the Electromagnetic–Temperature Coupled Analysis Method for In-Wheel Motors." Applied Sciences 9, no. 20 (2019): 4206. http://dx.doi.org/10.3390/app9204206.

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As the core component of in-wheel motor-driven electric vehicles, the in-wheel motor (IWM) directly affects the driving/braking performance of each driving wheel and the driving performance of the vehicle. The IWM operation involves a coupling of multi-fields, including the electromagnetic, temperature, flow, and mechanical fields, which influence each other. It is necessary to study coupling analysis methods to obtain accurate and consistent results. In this paper, a 15 kW in-wheel motor is taken as the research object. Based on the finite element model of the IWM, the coupling factors betwee
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Zuo, Shuguang, Duoqiang Li, Yu Mao, and Wenzhe Deng. "Longitudinal vibration analysis and suppression of electric wheel system driven by in-wheel motor considering unbalanced magnetic pull." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 11 (2018): 2729–45. http://dx.doi.org/10.1177/0954407018806118.

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With the blowout of electric vehicles recently, the key parts of the electric vehicles driven by in-wheel motors named the electric wheel system become the core of development research. The torque ripple of the in-wheel motor mainly results in the longitudinal dynamics of the electric wheel system. The excitation sources are first analyzed through the finite element method, including the torque ripple induced by the in-wheel motor and the unbalanced magnetic pull produced by the relative motion between the stator and rotor. The accuracy of the finite element model is verified by the back elect
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Amir, Muhammad, Asifa Ashraf, and Jamil Abbas Haider. "The Variational Iteration Method for a Pendulum with a Combined Translational and Rotational System." Acta Mechanica et Automatica 18, no. 1 (2024): 48–54. http://dx.doi.org/10.2478/ama-2024-0006.

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Abstract The dynamic analysis of complex mechanical systems often requires the application of advanced mathematical techniques. In this study, we present a variation iteration-based solution for a pendulum system coupled with a rolling wheel, forming a combined translational and rotational system. Furthermore, the Lagrange multiplier is calculated using the Elzaki transform. The system under investigation consists of a pendulum attached to a wheel that rolls without slipping on a horizontal surface. The coupled motion of the pendulum and the rolling wheel creates a complex system with both tra
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Sun, Wen Jing, Dao Gong, and Jin Song Zhou. "Study on Wheel-Rail Coupled Vibration of Metro with Co-Simulation of Finite Element Analysis and Multi-Body Dynamics Simulation." Applied Mechanics and Materials 752-753 (April 2015): 636–41. http://dx.doi.org/10.4028/www.scientific.net/amm.752-753.636.

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Based on the multi-body dynamics theory and modal-reduction analysis, finite element method and multi-body dynamics were combined to establish the flexible track model. The rigid-flexible coupled dynamics model can reflect the features of coupled vibration accurately. When the flexibility of the rail, damping and stiffness of support layers under the rail are taken into consideration, the whole track structure acted as a buffer while wheel and rail is interacting with each other. Compared with rigid track model, the wheel-rail vibration is less in the flexible track model. The proposed method
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Zhu, Zhihui, Wei Gong, Lidong Wang, Issam E. Harik, and Yu Bai. "A hybrid solution for studying vibrations of coupled train–track–bridge system." Advances in Structural Engineering 20, no. 11 (2017): 1699–711. http://dx.doi.org/10.1177/1369433217691775.

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This article develops a hybrid model to analyse the dynamic interactions between a train, tracks and a bridge. The model couples the train and track subsystems to form an integrated time-dependent subsystem through a vertically interacting wheel–rail model. In turn, this time-dependent subsystem is coupled with the bridge subsystem by enforcing the compatibility of forces at the contact points between the track and the bridge. A new hybrid solution algorithm is proposed which combines the strongly coupled method and the loosely coupled method to numerically solve the equation of motion of the
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Dissertations / Theses on the topic "Wheel Coupled Method (WCM)"

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Elias, Laila Mireille 1977. "A structurally coupled disturbance analysis method using dynamic mass measurement techniques, with application to spacecraft-reaction wheel systems." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/81563.

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Book chapters on the topic "Wheel Coupled Method (WCM)"

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Hassan, Ahmed, Jose Frejo, and Jose Maestre. "Enhancement handling performance of 4-wheels drive electrical vehicle using advanced control technique." In XLIII Jornadas de Automática: libro de actas: 7, 8 y 9 de septiembre de 2022, Logroño (La Rioja), 2022nd ed. Servizo de Publicacións da UDC, 2022. http://dx.doi.org/10.17979/spudc.9788497498418.0530.

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Electric vehicles (EVs) are gaining attention because they are environmentally friendly. Also, EVs can use in-hub motors, which can be independently controlled, improving maneuverability and allowing to set more ambitious control goals. In this paper, the lateral motion of an EV is controlled using the direct yaw control (DYC) method. The proposed controller uses the yaw moment produced by the longitudinal forces of the tires to stabilize the vehicle motion during critical cornering conditions to improve vehicle handling characteristics. The designed controllers, based on a linear model of the
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Conference papers on the topic "Wheel Coupled Method (WCM)"

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Zhao, Sihu, and Gangfeng Tan. "Research on Overload Dynamic Identification Based on Vehicle Vertical Characteristics." In WCX SAE World Congress Experience. SAE International, 2023. http://dx.doi.org/10.4271/2023-01-0773.

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<div class="section abstract"><div class="htmlview paragraph">With the development of highway transportation and automobile industry technology, highway truck overload phenomenon occurs frequently, which poses a danger to road safety and personnel life safety. So it is very important to identify the overload phenomenon. Traditionally, static detection is adopted for overload identification, which has low efficiency. Aiming at this phenomenon, a dynamic overload identification method is proposed. Firstly, the coupled road excitation model of vehicle speed and speed bump is establish
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Zhao, Yingzhong, Xinfei Lu, and Tingfeng Ye. "One Robust Loosely Coupled 4D Millimeter-Wave Image Radar SLAM Method." In SAE 2023 Intelligent and Connected Vehicles Symposium. SAE International, 2023. http://dx.doi.org/10.4271/2023-01-7051.

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<div class="section abstract"><div class="htmlview paragraph">In this paper, we introduce one imu radar loosely coupled SLAM method based on our 4D millimeter-wave image radar which it outputs pointcloud containing xyz position information and power information in our autonomous vehicles. at common pointcloud-based slam such as lidar slam usually adopt imu-lidar tightly coupled structure, which slam front end outputs odometry reversly affect imu preintegration. slam system badness occurs when front end odometry drift bigger and bigger or one frame pointcloud match failed. so in our
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Uzzal, Rajib Ul Alam, M. Packirisamy, W. Ahmed, and R. B. Bhat. "Aerodynamic Effects on Railway Vehicle-Track Vertical Interactions Coupled With Wheel Flat." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11196.

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Wheel flats are known to cause large impact forces at the wheel-rail interface, which can induce fatigue damage and failure of vehicle and track components. This large impact force can further increase in the presence of wind load. With demands for increased wheel load and speed, the issue of wheel derailment that can be caused by the wind load has become an serious concern for heavy haul operators. The accurate prediction of the wheel-rail impact force in the presence of wind load is thus necessary in order to timely remove the defective wheel in order to ensure effective operation and safety
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Zhang, Kaidi, Yunqing Zhang, Junwei Shi, and Weili Kong. "Modeling of Lunar Rover Vehicle Wheel-Soil Interaction Using Fem-Dem Method." In 11th Asia-Pacific Regional Conference of the ISTVS. International Society for Terrain-Vehicle Systems, 2022. http://dx.doi.org/10.56884/otlt5367.

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Apollo Lunar Rover Vehicle (LRV) used wire mesh wheels to adapt to the loose and soft soil conditions on the lunar surface, aimed to meet the mobility performance of LRV on the moon. Therefore, it is of great significance to study the wheel-soil interaction characteristics of the wire mesh wheel to improve the maneuverability and traction performance of LRVs. This paper proposed a coupled analysis method of wire mesh wheel-soil based on the DEM-FEM method. Firstly, a lunar terrain DEM model was established, which conforming to the physical characteristics of the lunar soil. Then, a FEM model o
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Lornage, D., E. Chatelet, and G. Jacquet-Richardet. "Effects of Wheel-Shaft-Fluid Coupling and Local Wheel Deformations on the Global Behavior of Shaft Lines." In ASME Turbo Expo 2001: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/2001-gt-0233.

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Rotating parts of turbomachines are generally studied using different uncoupled approaches. For example, the dynamic behavior of shafts and wheels are considered independently and the influence of the surrounding fluid is often taken into account in an approximate way. These approaches, while often sufficiently accurate, are questionable when wheel-shaft coupling is observed or when fluid elements are strongly coupled with local structural deformations (leakage flow between wheel and casing, fluid bearings mounted on a thin-walled shaft, etc.). The approach proposed is a step toward a global m
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Jung, Bumun, Pooreum Jang, and Kwanghee Nam. "An Overmodulation Method for Torque Balance in In-Wheel Motor Systems with a Dual-PMSM Coupled to a Single Shaft." In 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2021. http://dx.doi.org/10.1109/apec42165.2021.9487193.

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Kulhanek, Chris D., Hector A. Delgado, Michael P. Marshall, J. Jeffrey Moore, Joseph Lillard, and Yunbae Kim. "Rotordynamic Force Coefficient Prediction of an Unshrouded Radial Inflow Expander and Labyrinth Seal Using Transient Computational Fluid Dynamic Analysis." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-83257.

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Abstract The current study uses a transient computational fluid dynamic (CFD) analysis to predict the rotordynamic force coefficients for an unshrouded radial inflow expander and labyrinth wheel seal in a high pressure natural gas turboexpander. Direct and cross-coupled terms are predicted for both the stiffness and damping for the expander wheel and labyrinth seal, including the aerodynamic cross-coupling forces or cross-coupled stiffness coefficients that impact rotordynamic stability. A static eccentric method was applied where a transient simulation where the rotor portion is displaced wit
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Ohuchida, Satoshi, Satoshi Seo, and Yoji Okita. "A Steady State Thermal Prediction Method for Ship Board Turbocharger and its Validation With Experiments." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-91228.

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Abstract The present study aims to develop prediction method of turbocharger’s turbine wheel temperature at working conditions. To take fluid-solid heat transfer physics into account, CHT (Conjugate Heat Transfer) based approach is introduced. The model mesh comprises turbine wheel, rotor shaft, and stationary parts of the turbine side together with internal fluid region. Remaining parts, compressor or surrounding atmosphere are not included in the calculation mesh yet boundary conditions at contact surface of the outer mesh region were carefully considered and coupled into CHT. An actual ship
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Loh, Wei-Yi, Rena Basch, and Tom Dalka. "Kinematic Analysis of Brake-Induced Vehicle Steering Wheel Vibration." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/vib-48347.

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Vehicle steering comfort is strongly influenced by chassis system sensitivity to brake-induced vibration. If drivers feel vibration on the steering wheel during a braking event, it negatively impacts their satisfaction with a vehicle’s performance and quality. The suspension is the primary chassis sub-system that transmits vibration from the brakes to the rest of vehicle. Since the suspension system is directly linked with the brake, tire/wheel assembly, sub-frame and steering system, its coupled vibration is very complicated. The current paper presents a sensitivity study of chassis system vi
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Demeulenaere, Alain, Jean-Charles Bonaccorsi, David Gutzwiller, Leon Hu, and Harold Sun. "Multi-Disciplinary Multi-Point Optimization of a Turbocharger Compressor Wheel." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-43631.

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The paper describes the application of an optimization method to the redesign of a turbocharger compressor wheel. The starting design presents quite high performance. Previous attempts to improve this design have shown it difficult to increase aerodynamic performance without compromising mechanical stress levels. The optimization methodology relies on the combination of a genetic algorithm, a neural network, a database, and user generated objective functions. The originality of the paper is that the optimization is not only coupled to a CFD solver, but also to a CSM solver, so that mechanical
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