样式: 排序: IF: - GO 导出 标记为已读
-
Multibody dynamic study and optimization for a flexible support shaft system in unmanned underwater vehicle Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2024-03-13 Yuchen An, Chaofan Liu, Jing Liu, Guang Pan
This paper presented a multibody dynamic model for the shaft system in an unmanned underwater vehicle (UUV), the model considers the flexible coupling, ball bearing and flexible support. The stiffness characteristics of flexible coupling are calculated by using the finite-element analysis. The effects of load condition, bearing location and support stiffness on shaft vibrations are investigated. Then
-
Design of a tracking controller for autonomous articulated heavy vehicles using a nonlinear model predictive control technique Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2024-03-07 Tarun Sharma, Yuping He
This article proposes a design of a tracking controller for autonomous articulated heavy vehicles (AAHVs) using a nonlinear model predictive control (NLMPC) technique. Despite economic and environmental benefits in freight transportation, articulated heavy vehicles (AHVs) exhibit poor directional performance due to their large sizes, multi-unit vehicle configurations, and high centers of gravity (CGs)
-
Mathematical modelling analysis of deep groove ball bearing with misalignment Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2024-02-12 Xing Yuan, Hui Liu, Huijie Zhang
Deep groove ball bearing is prone to misalignment due to installation and long-term use, which requires research on the frequency characteristics and evolution mechanism excited by misalignment. This article first outlines a mathematical model of a rotor supported at both ends, which is used to describe the multi-body vibration mechanism of bearing-rotor system. The previous investigation on the misalignment
-
Quadrotor control in complex manoeuvres using a hybrid backstepping and feedback linearisation control strategy Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2024-02-08 Ali Keymasi-Khalaji, Iman Saadat
In this article, a novel control algorithm called the combined backstepping and feedback linearisation method, along with an uncertainty estimator, is presented for quadrotors. The objective is to develop a robust control algorithm capable of handling various flight conditions, compensating for uncertainties and disturbances, and effectively controlling high-speed manoeuvres. To accomplish this, the
-
Research on the dynamic performance of double-helical planetary gear transmission under friction and wear Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2024-02-02 Yun Wang, Wei Yang, Xiaolin Tang
In this paper, the main research is to investigate the effects of mechanical, friction, temperature, and tooth wear on the dynamic performance of a double-helical planetary gear transmission system. To achieve this, a new lumped parameters model is presented, which combines dynamics and lubrication. The model allows for the study of excitation effects and considers various parameters such as material
-
Theoretical and experimental study for implementation of the elliptical trajectory in dual-motor vibration system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-05-15 Ruihao Peng, Pan Fang, Liming Yang, Ningsheng Chen, Xiaohai Zhao
In the petroleum drilling industry, the smoothly functioning vibrating screens play a critical role in control of solid–liquid and recovery of drilling fluid. Due to the mechanical coupling, the su...
-
A novel dynamic dry friction model for applications in mechanical dynamical systems Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-04-25 Ekansh Chaturvedi, Jyotirmoy Mukherjee, Corina Sandu
This work presents a novel continuously differentiable, dynamic dry friction model, with dependence on normal contact force, slip velocity, and static and dynamic coefficients of friction. The stat...
-
Dynamic modelling of gear–spline system with nonuniform spline clearance and wear evolution of spline Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-04-19 Yachao Sun, Jianghai Shi, Yang Yang, Minggang Du, Hongrui Cao
The gear–spline system consisting of the internal spline of gears and the external spline of shafts is widely used in mechanical transmission systems. However, considering the nonuniform spline cle...
-
Transform of parameter and teeth surface modification for non-standard planetary spur gear train with X-gears Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-04-18 Xijin Zhang, Zongde Fang, Xunmin Yin, Haitao Jia, Yaoguo Ma, Yingqiang Xu, Huan Zhao
In view of the lack of ready formulae for modification calculation of non-standard planetary spur gear trains, the paper is focused on new modification methods of non-standard planetary spur gear t...
-
Dynamic modelling and vibration characteristics of a marine compound gear transmission system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-04-12 Long Yang, Bing Yuan, Jingyi Gong, Mingjian Qin, Geng Liu
The vibration level is the key index to measure the performance of marine gear transmission device. The compound gear transmission system, which is composed of a helical gear pair and a spur star g...
-
Research on polygon suppression of resilient wheels under multiple operating conditions Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-03-20 JH Tian, XL Dong
The polygon effect seriously affects the running stability and safety of the vehicle. In order to suppress the wheel polygon, a dynamic model is established that can calculate the force on the resi...
-
Simulation-based study on active tilt controlled narrow tilting three-wheeler considering road bank angle Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-03-20 Ankitkumar Dandiwala, Jigneshsinh Sindha, Basab Chakraborty, Debashish Chakravarty
The issues like traffic congestion, parking space and vehicular emission can be reduced by adopting electric narrow tilting three-wheelers, which can also provide a cost-effective and safe mode of ...
-
Nonlinear tribodynamics of an elastic shaft with a flexible bearing outer race Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-03-14 Robert Turnbull, Nader Dolatabadi, Ramin Rahmani, Homer Rahnejat
In this paper, a mathematical model of a rotor-bearing system is presented. The model includes modal elastodynamics of a flexible rotor as well as the in-plane radial dynamics of the bearing with a...
-
Optimal design of steering trapezoid considering multiple performances of the whole vehicle Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-03-06 Jin Gao, Xiaoping Qi
As an important component of the steering system, steering trapezoids should be designed to satisfy multiple performances of the vehicle. In this study, theoretical and simulation analysis has been...
-
Study on nonlinear dynamic characteristics of power six-branch herringbone gear transmission system with 3D modification Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-02-22 Zhibin Li, Sanmin Wang
The power six-branch herringbone gear transmission system has the advantages of large power transmission and transmission ratio. Because of its multi-way transmission and over-constraint structure,...
-
User-defined high impulsive frequency acquisition model for mechanical damage identification Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-02-16 Smita Kaloni, Prashant Tiwari, Ghanapriya Singh
In the past few decades, time–frequency (TF) methods have become increasingly popular in the field of modal identification and structural health monitoring. The general and significant shortfalls o...
-
Nonlinear dynamics analysis of gear transmission system considering tooth surface friction and thermal deformation Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2023-02-14 Lianchao Sheng, Mincui Xu, Qi Sun, Wei Li, Guo Ye
To make the gear better adapt to the high temperature environment, the effects of tooth surface friction and thermal deformation on the dynamic characteristics of the gear were studied. First, base...
-
Optimisation of electric vehicle with the in-wheel motor as a dynamic vibration absorber considering ride comfort and motor vibration based on particle swarm algorithm Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-12-12 Pingping Zhao, Zhimin Fan
Compared with other electric vehicles, the ride comfort of the electric vehicle with the in-wheel motor as a dynamic vibration absorber has significantly improved. However, the in-wheel motor is us...
-
Control of a group of uncertain wheeled robots with global inputs in the presence of obstacles Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-12-07 MohammadBagher Maghsoudi Mehrabani, Ali Keymasi Khalaji, Mahdi Ghane
Ensemble control of robots has attracted much attention in engineering, and this is due to the need to control the arrangement and group movement of multi-robot systems in land, air, and sea applic...
-
Simulation and experimental analysis of rotor-bearing system with rolling element bearing fault in axial piston pump under churning condition Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-12-06 ZhuJin Wu, Hesheng Tang, Yiming Li, Yan Ren, Lei Chen, Anil Kumar
Axial piston pumps have been widely studied and applied in engineering applications. Generally, traditional simulation models are established to analyze the vibration characteristics of the pump wi...
-
Cab-Over-Engine truck cabins: A mathematical model for dynamics, driver comfort, and suspension analysis and control Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-12-04 Yukun Lu, Amir Khajepour, Amir Soltani, Yonggang Wang, Ran Zhen, Yegang Liu, Guoqiang Li
Various cabin designs have been developed for commercial vehicles to meet different driver comfort requirements. Among those configurations, the cab-over-engine (COE) is widely used because of its ...
-
Research on dynamic characteristics of cracked gear pair considering time-varying friction Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-12-01 Shuai Mo, Xiaosong Hu, Dongdong Wang, Heyun Bao, Guojian Cen, Yunsheng Huang
During the actual operation of gears, phenomena such as friction and cracking occur. Based on the energy method, a time-varying mesh stiffness solution model of the gear pair is established, and a ...
-
Nonlinear vibration analysis of meshing gear wheels considering the teeth elasticity Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-11-24 Shiva Mohajerani, Saeed Ebrahimi, Mohammad Mahdi Jalili
In this study, the nonlinear vibration of a meshing gear pair with the teeth elasticity is investigated. The elastic elements between the teeth and the body of each gear wheel are introduced to par...
-
Performance evaluation of three signal decomposition methods for bearing fault detection and classification Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-11-22 Amit Mathur, Pradeep Kumar, S. P. Harsha
In the present study, the performance evaluation of the signal decomposition methods; variational mode decomposition, empirical mode decomposition, and ensemble empirical mode decomposition, for th...
-
Energy harvesting from a cantilever beam with a spring-loaded oscillating mass system and base excitation Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-11-04 Anwesa Mohanty, Rabindra Kumar Behera
The present study deals with the mathematical modeling of a nonlinear energy harvester (EH) to analyze it's frequency bandwidth for optimal use. The exhibited unique piezoelectric energy harvester ...
-
An experimental and theoretical investigation of the influence of backlash on gear train vibro-impacts and rattle noise Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-10-31 Ata Donmez, Ahmet Kahraman
Rattling is a perennial gear noise problem observed in various powertrain components ranging from manual transmissions to engine balancers and timing gear trains. Under lightly loaded conditions, g...
-
Multi-body dynamics modeling and driving performance evaluation of oil recovery vehicle Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-10-30 Ji-Tae Kim, Dongu Im, Hyuek-Jin Choi, Jae-Won Oh, Jaho Seo, Young-Jun Park
In this study, the design and driving performance evaluation of a driving system for driving on deformable terrain was performed using terramechanics theory and multi-body dynamics simulation. For ...
-
Analysis of a cross groove constant velocity joint mechanism designed for high performance racing conditions Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-10-12 Matthew Simpson, Nader Dolatabadi, Nick Morris, Ramin Rahmani, David Jones, Christopher Craig
Constant Velocity Joint (CVJ) mechanisms enable torque transmission between two shafts at a fixed or variable angle. Cross groove CVJs are typically used in high performance automotive applications...
-
Nonlinear analysis of torsional vibrations of dual mass flywheel in a three-cylinder engine Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-10-09 Ghasem Maghsoudi Gharehbolagh, Abbas Rohani Bastami, Pedram Safarpour, Yaghoub Abbaszadeh
Torsional vibration of the power transmission system is one of the main factors which affects ride comfort and fatigue of the driveline components. These vibrations are caused by periodic changes i...
-
Investigation on cage motions in high speed angular contact ball bearing with clearance fit between the outer ring and housing Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-09-29 Shuping Yan, Qiong Qu, Minghui Liu, Yubing Zhang, Chunlan Yu, Fengtao Wang
As one of the bearing vibration sources, cage motions were often investigated for distinguishing the bearing performance. However, when the ball bearing works under complex conditions, there may be...
-
Stability analysis and design of an unmanned deformable vehicle during coupled reconfiguration motion Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-09-26 Jun Liu, Zhenkun Yan, Mingming Lu, Liang Zhang, Taowen Cui, Minyi Zheng, Di Wu
An unmanned deformable vehicle, which is a new type of robot combining a car and a robot, can drive at high speed with wheels and walk with steps. An unmanned deformable vehicle is prone to tipping...
-
Effect of the unbalanced magnetic pull force and oil-film force on nonlinearity of a dual-rotor bearing system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-09-23 Chenyuan Ma, Daoli Zhao, Weili Liao, Weipeng Sun, Pengcheng Guo, Yanhe Xu
Turbogenerator sets, the indispensible rotating machinery in thermal power plants, can be simplified into a dual-rotor bearing system. In this case, its nonlinear phenomenon largely results from th...
-
Adaptive proportional derivative decentralized output based controller for a biped robotic device Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-09-15 Isaac Chairez, Yazan Alsmadi, Pamela Vera-Tizatl, Karla Rincon-Martinez
This paper describes the design and implementation of a novel adaptive control method to track a set of bioinspired reference trajectories. These references define anthropomorphic movements for an ...
-
Research on parameter optimization based on multi-body dynamics model of monorail vehicle aiming at reducing running wheel wear Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-09-10 Xiaoxia Wen, Linkui Huang, Zixue Du, Liang Chen, Zhen Yang
A nonlinear dynamic model of monorail vehicle and a finite element model of “running wheel-rail beam” system is established respectively, which is integrated into the Modefrontier platform. The tot...
-
Influence of 3D modification on dynamic characteristics of herringbone gearbox system and vibration reduction design Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-09-09 Zhibin Li, Sanmin Wang, Fei Li, Linlin Li, Linlin Liu, Haoran Zou
The vibration and noise of marine power systems mainly comes from gearbox in addition to engine, while gearbox vibration is mainly caused by internal excitation of gear transmission system (GTS) an...
-
Asymmetry analysis of rolling contact for the heavy load radial tyre Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-08-09 Zhihao Liu, Yixun Liu, Qinhe Gao
A flexible carcass ring model with a two-dimensional elastic foundation that combined a flexible carcass ring and a two-dimensional spring element was used to analyze the contact boundary of heavy ...
-
Multi-body dynamics model of crawler wall-climbing robot Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-08-09 Yi Fang, Shuai Wang, Da Cui, Qiushi Bi, Chuliang Yan
In this paper, a crawler-type wall-climbing robot with negative pressure adsorption is designed. The dynamic model of the robot is established based on the method of discretizing the force load of ...
-
A quasi-static contact model for global dynamic simulation of multibody system with contact-impact Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-07-25 Jianyao Wang, Hongdong Wang
The global impact dynamics of multibody system is challenging due to the multi-scale characteristics of slow-changing non-contact process and fast-changing impact process. To solve the contradictio...
-
A novel nonlinear variable damping device and its application for the systems with uncertain parameters Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-07-24 Hamed Saber, Farhad S. Samani, Francesco Pellicano
This paper deals with the performance of a novel nonlinear viscous dashpot with variable damping. The new proposed dashpot can be utilized in devices for instance dynamic vibration absorbers (DVAs)...
-
Simulation of high speed rotating dynamics in constrained mechanical systems Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-07-21 Ping Zhou, Hui Ren
High-speed rotating motion is an important issue in mechanical systems such as propellers or turbine blades. Difficulties occurs in the simulation of high-speed rotating dynamics, resulting in unex...
-
Bioinspired flapping wing UAV and its kinematic analysis—a novel approach Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-07-15 Bhushan Dewangan, Debendra Pradhan, Haraprasad Roy
A rich development in the domain of flapping wing Unmanned Aerial Vehicle (FWUAV) is not yet entirely sufficient to implement the findings of real-life situations. Using the limited knowledge of th...
-
Nonlinear dynamics of the rotor system with a floating raft isolation structure under the coupled motion of ship heaving and rolling Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-07-05 Xuan Xie, Ming Li, Junwei Wang, Leilei Zhu
A floating raft isolation structure is adopted to reduce the vibration of the marine rotor-bearing system, however, the system on the moving hull will be affected by the ship implicate motion, and ...
-
Tracking control of moving flexible system by incorporation of feedback-based vibrational energy sink in model predictive control algorithm Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-06-22 M R Homaeinezhad, F FotoohiNia
This paper proposes a new approach towards the nonlinear problem of tracking control for mobile multivariable vibrational structure featuring an Euler-Bernoulli vibrational beam. The control scheme involves obtaining interactions between flexural and rigid motions of the multivariable continuum mechanics system with actuator force limitation both regarding domain and frequency bandwidth. To this end
-
An autonomous method for diagnosing raceway defects and misalignment in a self-aligning rolling-element bearing Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-06-16 Vivek Parmar, V Huzur Saran, Suraj P. Harsha
This paper presents an autonomous method to diagnose a double-row self-aligning ball bearing for any dynamic misalignment or localized defects, using vibration signals. The frequency spectra from the experimental investigation revealed that irrespective of the health condition of the bearing i.e. either healthy or defective, the frequency spectrum had a clear cage frequency peak whenever the system
-
Modal parameters-based hunting stability analysis of high-speed railway vehicles considering full range of equivalent conicity Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-05-29 Jianfeng Sun, Maoru Chi, Weidong Jiao, Yonghua Jiang, Gang Li, JiZhong Shi
The balance of vehicle parameters to avoid both the carbody and bogie hunting instabilities existing at different stage of vehicle operation is a long-standing problem. However, most of the existing researches focus on a single form of hunting instability and only take specific value of equivalent conicity as the worst case of wheel-rail contact relationship. To face this challenging problem, this
-
Multibody system dynamic analysis and payload swing control of tower crane Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-05-20 Kun Li, Manlan Liu, Zuqing Yu, Peng Lan, Nianli Lu
A new payload swing control method considering the vibration of tower crane is proposed in this study. The coupling between the structural vibration and the payload swing is neglected in existing studies on tower crane swing suppression. Changes of sling length are considered as disturbances. They cause the existing methods of swing suppression method ineffectual in the actual working situation. In
-
Nonlinear integrated control with friction estimation for automatic lane change on the highways Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-05-09 Hadi Sazgar, Ali Keymasi Khalaji
A vehicle is a highly nonlinear dynamical system with high degrees of freedom. There are also very strong couplings between the longitudinal and lateral dynamics. Therefore, the simultaneous longitudinal and lateral motion control in different road conditions is a challenging problem. This paper presents an integrated adaptive control for longitudinal and lateral vehicle guidance on the highways. The
-
Dynamic behavior analysis of spiral bevel gears of helicopter’s intermediate reducer with vibration error and lubrication Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-05-04 Xuechen Cao, Fengxia Lu, Heyun Bao, Rupeng Zhu
In the dynamic simulation of spiral bevel gears (SBGs), the modeling and contact analysis of the SBGs are extremely complicated; therefore, dynamic analysis of the SBGs generally simplifies the SBG model. The vibration in the meshing process will cause the meshing trajectory to deviate, resulting in changes in the meshing stiffness, oil film thickness, and load distribution between teeth. These changes
-
Continuum damage dynamics of a large-scale flexible multibody system comprised of composite beams Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-05-04 Shixiong Zhang, Wenjing Shi, Zhipei Wu, Teng Zhang, Cheng Liu, Weijie Li
Herein, a continuum damage dynamic model of a large-scale flexible multibody system comprising composite beams is proposed based on the framework of the absolute nodal coordinate formulation. To accurately model the continuum damage dynamics of a multibody system, the Hashin criterion is adopted to describe damage initiation during dynamics. A type of nonlinear evolution law is used to characterize
-
Modelling and analysis of passenger rail vehicle for the improvement of critical speed using MR damper based semi-active suspension Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-05-04 Sultan Singh, Anil Kumar
Developing economies focus to enhance train speed by introducing high speed corridors and upgrading existing rail infrastructure. Higher speed has adverse impact on vehicle stability and ride comfort. Therefore, in order to improve critical speed and ride comfort magneto-rheological (MR) based dampers are used. Here, the lateral dynamics of an Indian passenger rail vehicle is expressed with 17 degrees
-
Research status and prospect of plate elements in absolute nodal coordinate formulation Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-05-03 Zhaowei Zhang, Wu Ren, Weijia Zhou
The Absolute Nodal Coordinate Formulation (ANCF) is a milestone in the study of flexible multibody dynamics and is of great significance for the study of the dynamics of multi-flexible systems, of which the plate element is an important part. In this article, the construction and principles of this type of element are systematically traced, the types of elements that have been studied are summarized
-
Stability study of centrifugal pendulum vibration absorbers in gravity field Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-04-26 Yi Zhang, Guangqiang Wu, Daguan Chen
In this study, Lyapunov stability theory was used to systematically investigate the stability of centrifugal pendulum vibration absorber (CPVA) in terms of the shape of the absorber path, mistuning levels, damping coefficient, number of absorbers, and force of gravity. Our approach improved upon previous studies by introducing a gravity term, optimising the calculation method, and using a function
-
Effect of thermal elastohydrodynamic lubrication on vibration characteristics of ball bearing with local defect Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-04-21 Yubo Wang, Changfeng Yan, Zunyou Lu, Yaofeng Liu, Lixiao Wu
The vibration response of ball bearing with local defect is closely associated with its lubrication condition. The previous bearing dynamic models were mainly established based on the idealised lubrication conditions, which may not uncover the influence of thermal effect of lubricant on vibration characteristics of defective bearing. This paper presented the influence of thermal effect on elastohydrodynamic
-
Dynamics of a planetary needle roller bearing considering the waviness Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-04-11 Zhifeng Shi, Jing Liu, Guijian Xiao
A dynamic model of a planetary needle roller bearing (PNRB) considering the waviness is proposed. This model can formulate the PNRB dynamic motions under high centrifugal acceleration conditions, which are more complicated than those of shaft-fixed bearings. The waviness distributed on the surfaces of races and needle rollers can change the contact conditions between the needle rollers and races. In
-
Study on the integrated structure/control design method of magnetorheological damper for improving vehicle posture Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-03-30 Zhaoxue Deng, Xinxin Wei, Xingquan Li, Shuen Zhao, Sunke Zhu
In order to achieve a good match between magnetorheological (MR) damper and vehicle Noise Vibration and Harshness (NVH) quality and improve vehicle posture while driving, an integrated design method of MR damper structure/control for vehicle vibration suppression was proposed considering the coupling effect between MR damper structure parameters and controller parameters. A controller was designed
-
Multibody modelling of the foot for the biomechanical analysis of the ankle joint during running: A narrative review Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-03-30 Gonçalo Marta, Carlos Quental, João Folgado, Francisco Guerra-Pinto
The number of people running has risen exponentially in the last decade, increasing the need for better research on running-related injuries, shoe construction and performance enhancement. Considering the key role of the ankle, the second most injured joint after the knee and the only link of the body to the ground, for human motion, the aim of this study is to provide a general overview of generic
-
Response of centrifugal pendulum vibration absorber considering gravity at low engine speed Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-02-28 Yi Zhang, Guangqiang Wu, Guoqiang Zhao, Daguan Chen
This study examined the performance of the centrifugal pendulum vibration absorber’s (CPVA) under the influence of centrifugal force and gravity fields. The focus was on identifying the factor that influenced noise, vibration, and harshness (NVH) problems that originate owing to the centrifugal pendulum absorber being at low engine speed such as engine start-stop or idle. Consequently, mathematical
-
Preliminary analysis of vibration characteristics of human body on high-speed train Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-02-16 Hanwen Xu, Xinbiao Xiao, Qi Wang, Jian Han, Xuesong Jin
To study the ride comfort of high-speed train passengers, a detailed human body–seat–vehicle–track coupled model is developed. This model adopts a dual-axis human-body dynamic model and considers the nonlinearity of the primary and secondary suspensions and the wheel–rail contact condition. Additionally, the input wheel/rail irregularity excitation data are measured for a high-speed railway line in
-
Vibration Response of Steam Turbine Healthy and Cracked Blade under the Stress Stiffening and Spin Softening Effects Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-02-15 Rajesh K Bhamu, Aakash Shukla, Satish C Sharma, S P Harsha
In the present paper, vibration responses of the healthy and cracked blade under the influence of stress-stiffening and spin-softening have been studied. The three-dimensional finite element-based numerical analysis is carried out to study the blade's mode shape and natural frequencies and are validated with the experimental modal analysis test results. In the case of spin softening, for healthy blade
-
Experimental study on transmission error and dynamic backlash of elliptic gear transmission system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.8) Pub Date : 2022-02-07 Changbin Dong, Yongping Liu
The transmission error of the gear transmission system is the main factor affecting its transmission performance. The expansion of special applications of elliptic gear transmission system and the improvement of transmission accuracy requirements put forward higher requirements for its transmission performance. Although many works have been presented to study the transmission error of cylindrical gear