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Involute spline couplings in aero-engine: Predicting nonlinear dynamic response with mass eccentricity Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2021-01-21 Xiangzhen Xue; Qixin Huo; Karl D Dearn; Jian Liu; Jipeng Jia
This work presents a nonlinear dynamic model considering the multi-tooth meshing behaviour and mass eccentricity of an involute spline coupling to tackle the serious problem of involute spline failure, in aviation power transmission systems. The dynamic meshing force is calculated for the same. Based on this, the influence of different mass eccentricities on the nonlinear dynamic response of the spline
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Meshing impact analysis of planetary transmission system considering the influence of multiple errors and its effect on the load sharing and dynamic load factor characteristics of the system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2021-01-10 Shengyang Hu; Zongde Fang; Yingqiang Xu; Yabin Guan; Rui Shen
The meshing impact on transmission system and internal meshing gear pair and its impact on the load sharing and dynamic characteristics of the system are not well understood yet. In this paper, the meshing impact models of internal gear pairs and planetary transmission system were successfully constructed, and the meshing impact point, meshing impact time and meshing impact force were accurately obtained
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Analysis of bio-dynamic model of seated human subject and optimization of the passenger ride comfort for three-wheel vehicle using random search technique Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2021-01-07 Rakesh Chandmal Sharma; Sakshi Sharma; Sunil Kumar Sharma; Neeraj Sharma; Gurpreet Singh
Ride comfort is the major concern to the roadway vehicle passengers, travelling in as it affects their health and efficiency to work. In the present study, a 9 DoF model of a three-wheel vehicle is developed with Lagrangian approach to investigate its ride behavior when subjected to random surface irregularities. The irregularities of the track are measured with a three-wheeled setup equipped with
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Three-dimensional dynamic modeling and analytical method investigation of planetary gears for vibration prediction Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2021-01-05 Lina Zhang; Changchun Wang; Wenke Bao; Fuxiang Xie
The investigation of planetary gear dynamics including dynamic modeling and dynamic response analysis is a crucial approach in vibration reduction of industrial power transmission systems. In this paper, the nonlinear, time-varying dynamic model of a spur planetary gear system under consideration of the translational and rotational motions is investigated. The three subsystems for sun-planet, ring-planet
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Contact characteristic and vibration mechanism of rolling element bearing in the process of fault evolution Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2021-01-05 Wenbing Tu; Jinwen Yang; Wennian Yu; Ya Luo
The vibration response of rolling element bearing has a close relation with its fault. An accurate evaluation of the bearing vibration response is essential to the bearing fault diagnosis. At present, most bearing dynamics models are built based on rigid assumptions, which may not faithfully reveal the dynamic characteristics of bearing in the presence of fault. Moreover, previous similar works mainly
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Application of Gauss principle of least constraint in multibody systems with redundant constraints Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-12-18 Liusong Yang; Shifeng Xue; Wenli Yao
Redundancy in the constrained mechanical systems often occurs in complex multibody mechanic systems in the existence of excessive constraints and singular positions due to system motion. In this work, Gauss principle of least constraint (GPLC) is applied to solve the dynamic motion of system with redundant constraints without changing the physics of system. Furthermore, the particle swarm optimization
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Managing driving disturbances in lateral vehicle dynamics via adaptive integrated chassis control Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-12-07 Narjes Ahmadian; Alireza Khosravi; Pouria Sarhadi
This paper presents a vehicle stability control method based on a multi-input multi-output (MIMO) model reference adaptive control (MRAC) strategy as an advanced driver assistance system (ADAS) to enhance the handling and yaw stability of the vehicle lateral dynamics. The corrective yaw moment and additive steering angle are generated using direct yaw moment control (DYC) and active front steering
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In-plane nonlinear postbuckling analysis of circular arches using absolute nodal coordinate formulation with arc-length method Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-12-03 Abdur Rahman Shaukat; Peng Lan; Jia Wang; Tengfei Wang
In this study, Absolute Nodal Coordinate Formulation (ANCF) in conjunction with Crisfield’s arc-length method is utilized in order to predict the nonlinear postbuckling behaviour of circular arches. The whole primary equilibrium path in load-displacement space of circular arches under central concentrated load is obtained. Three ANCF based approaches, i.e., the conventional two-dimensional fully parameterized
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Dynamics modeling and analysis of a four-wheel independent motor-drive virtual-track train Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-11-22 Zhonghui Yin; Jiye Zhang; Haiying Lu; Weihua Zhang
Due to urbanisation and the economic challenges of traffic, it is urgently necessary to develop an environmentally friendly virtual-track train with suitable speed, high load capacity and low construction cost in China. To guide the design and evaluate this train’s dynamic behaviour, a spatial-dynamics model has been developed based on the dynamics theory and tyre-road interaction. The proposed dynamics
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A 4-DOF dynamic model for ball bearing with multiple defects on raceways Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-11-20 Xianghong Gao; Changfeng Yan; Yaofeng Liu; Pengfei Yan; Junbao Yang; Lixiao Wu
Localized defects in ball bearing components would cause additional vibration and it is imperative to reveal the vibration mechanism. The relationship between fault characteristic frequency (fBPFI and fBPFO) and multiple defect parameters of ball bearing were given in this paper. Considering elastohydrodynamic lubrication (EHL), radial clearance, time-varying displacement and excitation force generated
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Optimal parameters of tuned mass dampers for an inverted pendulum with two degrees of freedom Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-11-16 Duy-Chinh Nguyen
In reality, an inverted pendulum can be used to model many real structures as the fluid tower, super-tall buildings, or articulated tower in the ocean, etc. However, for the inverted pendulum with two degrees of freedom, to the best knowledge of the author, there is no study to determine optimal parameters of two tuned mass dampers (TMD) by using the maximization of equivalent viscous resistance method
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Dynamic model based energy consumption optimal motion planning for high-voltage transmission line mobile robot manipulator Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-11-16 Wei Jiang; Gao Chen Ye; Dehua Zou; An Zhang; Gan Zuo; Yu Yan; Hongjun Li
Power transmission line live working robots are important equipment and useful exploration to ensure the reliable operation of high-voltage lines and they are the development trend to realizing intelligent automation power system operation and maintenance management. At present, most robots adapt lithium battery power supply and can be hoisted on line. The robot online endurance operation time is closely
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Vibration control of a military vehicle weapon platform under the influence of integrated ride and cornering dynamics Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-10-22 Saayan Banerjee; Varadarajan Balamurugan; R Krishna Kumar
The present study is focussed upon vibration control of the weapon elevation and azimuth dynamics mathematical model under influence of the 20 degree of freedom integrated ride and cornering dynamics non-linear mathematical model of a military vehicle with trailing arm suspension. The PID, LQR and Backstepping control techniques are applied in the weapon dynamics model in order to achieve the desired
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Contact force analysis on two-fingered robot grasping Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-10-14 Jiun-Ru Chen; Wei-En Chen; CH Liu; Yin-Tien Wang; CB Lin; Guan-Chen Chen
A procedure for inverse kinetic analysis on two hard fingers grasping a hard sphere is proposed in this study. Contact forces may be found for given linear and angular accelerations of a spherical body. Elastic force-displacement relations predicted by Hertz contact theory are used to remove the indeterminancy produced by rigid body modelling. Two types of inverse kinetic analysis may be dealt with
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Assessment of simultaneous and nested conservative augmented Lagrangian schemes for constrained multibody dynamics Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-10-09 César Hernández-Vielma; Roberto Ortega-Aguilera; Marcela Cruchaga
Two alternative schemes used for the solution of multibody systems are reported and compared between them to evaluate their performance. Within the context of kinematic constraints imposed via augmented Lagrangian technique, one scheme proposes a simultaneous iterative solution for the computation of the Lagrangian multipliers and the nonlinear Newton-Raphson iterations. The second scheme uses a more
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Development of multibody dynamical using MR damper based semi-active bio-inspired chaotic fruit fly and fuzzy logic hybrid suspension control for rail vehicle system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-10-01 Sono Bhardawaj; Rakesh Chandmal Sharma; Sunil Kumar Sharma
In this paper, the semi-active suspension in railway vehicles based on the controlled Magnetorheological (MR) fluid dampers is examined, and compared with the semi-active low and semi-active high suspension systems to enhance the running safety, ride quality and ride comfort for a high-speed rail vehicle. Fuzzy logic and chaotic fruit fly control techniques are used as system controllers to determine
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Procedure for non-smooth contact for planar flexible beams with cone complementarity problem Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-09-21 Xinxin Yu; Marko K Matikainen; Ajay B Harish; Aki Mikkola
Contact description plays an important role in modeling of applications involving flexible multibody dynamics. Example of such applications include contact between a belt and pulley, crash-worthiness analysis in aerospace and automotive engineering. Approaches such as the linear complementarity problem (LCP), nonlinear complementarity problem (NCP) and penalty method have been proposed for contact
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A stiffness optimization method for a shaft-bearing-pedestal system based on the dynamics Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-09-14 Jing Liu
The shaft and pedestal deformations can produce large misalignments and displacements of shaft-bearing-pedestal systems (SBPSs). The phenomena have a great influence on the working performances of the SBPS. Thus, the shaft and pedestal stiffness should be properly optimized to minimize the system vibrations during the design process of the SBPSs. To overcome this issue, a new shaft and pedestal stiffness
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Reducing wheel wear from the perspective of rail track layout optimization Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-09-09 Yunguang Ye; Yu Sun
Wheel wear (W-wear) is one of the most critical issues affecting vehicle-track performances and operating costs. Currently, the works on W-wear behavior and W-wear reduction are mainly based on four aspects: wheel-rail (WR) tribology, WR profile, vehicle structure design and active control of vehicle suspensions. Little attention has been paid to the effects of track layout parameters, such as superelevation
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Acoustic response of high-speed deep groove ball bearing by modifying the internal geometry Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-09-03 Deepak Borse; VB Tungikar
In this paper, a mathematical model to predict acoustic responses of high-speed bearing has been developed and demonstrated in an application of Induction motors. Effect on the acoustic behaviour of bearing has studied by modifying the internal geometry, such as the number of rotating elements, curvature ratio, rotating speed with the oval shape of the track raceway due to pre-operational damage. The
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The effect of outer ring elastodynamics on vibration and power loss of radial ball bearings Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-08-24 R Turnbull; R Rahmani; H Rahnejat
Ball bearings are an integral part of many machines and mechanisms and often determine their performance limits. Vibration, friction and power loss are some of the key measures of bearing performance. Therefore, there have been many predictive analyses of bearing performance with emphasis on various aspects. The current study presents a mathematical model, incorporating bearing dynamics, mechanics
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Effects of laser spot positioning with optical beam deflection method on tapping mode and bimodal AFM Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-08-20 Jesse Putnam; Mehrnoosh Damircheli; Babak Eslami
This work focuses on the importance of laser location and its effect on contact mode, tapping mode, and bimodal AFM both theoretically and experimentally. It is found that the current guidelines in the field might lead to mischaracterization of matter especially in bimodal AFM. A numerical study is done for a cantilever with its tip located at the end while interacting with two different polymers of
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Analytical and experimental analysis of axial force generated by a drive shaft system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-07-20 Huayuan Feng; Subhash Rakheja; Wen-Bin Shangguan
The drive shaft system with a tripod joint is known to cause lateral vibration in a vehicle due to the axial force generated by various contact pairs of the tripod joint. The magnitude of the generated axial force, however, is related to various operating factors of the drive shaft system in a complex manner. The generated axial force due to a drive shaft system with a tripod joint and a ball joint
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SCR-Normalize: A novel trajectory planning method based on explicit quintic polynomial curves Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-06-25 Ali Analooee; Reza Kazemi; Shahram Azadi
This paper presents a framework for generating explicit quintic polynomial curves as the trajectory of autonomous vehicles. The method is called SCR-Normalize and is founded on two novel ideas. The first concept is to rotate the coordinate reference, regarding the boundary conditions, in order to reach a special coordinate reference called Secondary Coordinate Reference (SCR). In the SCR, the explicit
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Rigid–flexible coupling dynamics with contact estimator for robot/PTL system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-06-18 Xiaoliang Zheng; Gongping Wu; Wei Jiang; Fei Fan; Jiale Zhu
In order to enhance sampling efficiency and security when robot maintains power transmission line (PTL), this article develops a new approach for the rigid-flexible coupling dynamics of robot/PTL system, which decouples the large system into two small systems and solves them separately by estimating the contact force. The robot is modelled as a system of rigid bodies by screw theory, while the PTL
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Back-iron design-based electromagnetic regenerative tuned mass damper Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-06-14 Semen Kopylov; Zhaobo Chen; Mohamed AA Abdelkareem
Implementation of tuned mass dampers is the commonly used approach to avoid excessive vibrations in civil engineering. However, due to the absence of the compact dimension, there are still no practical applications of the tuned mass dampers in automotive industry. Meanwhile, recent investigations showed the benefit of utilizing a tuned mass damper in a vehicle suspension in terms of driving comfort
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Analytical dynamic modeling of Delta robot with experimental verification Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-06-03 Farshid Asadi; Ali Heydari
In this paper, an explicit dynamic model of Delta robot is obtained analytically. The main contribution of this work is that, unlike existing prior work, the final dynamics model is given directly in the form of MX··+CX·+G=JTτ, with explicit expressions for M, C and G. This is of great importance, since many advanced control techniques like Optimal Control need dynamic model in an explicit form, i
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Nonlinear vibration response analysis of a double-row self-aligning ball bearing due to surface imperfections Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-05-25 Vivek Parmar; VH Saran; SP Harsha
This work attempts to study the vibration response of a double-row self-aligning ball bearing due to surface and localized imperfections. For the contact deformation at the ball–race interactions, the Hertzian load–deflection relation is used for the evaluation of time-varying contact stiffness. The elastohydrodynamic theory is applied to find out the central film thickness. For both the inner and
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Influence of rotational speed on the impact characteristics caused by a localized defect of the outer raceway in a ball bearing under an axial load Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-05-21 Pingping Hou; Liqin Wang; Qiuyang Peng
The rotational speed is a crucial parameter for bearing condition monitor. The present study shows the influence of the rotational speed on the impact characteristics caused by a localized defect of the outer raceway. A 2Nb + 5-degrees-of-freedom nonlinear dynamic model for a ball bearing is developed. The waviness of bearing components, a localized defect of the outer raceway, and the centrifugal
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Corrigendum to Modelling and Control of a Flapping Wing Robot Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-04-30
Abdolbaghi B, Shahram EH and Adel M. Modelling and Control of a Flapping Wing Robot. Proc IMechE Part K: J Multi-body Dynamics 2019; 233: 174–181. DOI: 10.1177/1464419318793503.
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Understanding the effect of elastic wheels on an urban railway system using a new wheel–rail coupling vibration model Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-04-16 JH Tian; XX Lu; GL Ma; CR Bowen
In order to control the wheel–rail coupling vibration of an urban railway system, a combined elastic wheel damping structure is proposed where the key parameters that determine the structural damping and thereby control the vibration of the railway system are explored. The vertical acceleration of the elastic wheels is obtained for a range of stiffness coefficients as the wheel moves on an irregular
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Dynamic model and analysis of the traction unit gear system in long wall coal shearer Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-04-14 Rui Zhang; Yimin Zhang
The present work contributes to the analysis of dynamic behavior of long wall coal shearer traction unit through dynamic model of geared drives. In contrast to the majority of the models in the literature, complete machine dynamic model of coal shearer is introduced for obtaining dynamic gear loads for traction unit. A new stochastic coal cutting loads model is presented. Predicted vibration accelerations
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Nonlinear model predictive acceleration synchronization technique for rigid-model-based tracking control of multi-DOF flexible systems Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-04-14 S Yaqubi; MR Homaeinezhad
In this paper, the problem of stabilization and tracking control of uncertain flexible multivariable continuum mechanism systems with additional appendage considering boundedness of undesired vibrational effects are investigated. It is proposed that rather than controlling the entire dynamical system through installation of additional actuators on appendage, it is more desirable to stabilize the core
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Vibration analysis of the axle bearings considering the combined errors for a high-speed train Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-04-11 Jing Liu; Xinbin Li; Wennian Yu
Axle bearings are critical elements of high-speed trains. Although the quality and precision of axle bearings have been significantly improved, the manufacturing errors, such as the roundness and waviness errors, cannot be eliminated during their manufacturing processes. The axle bearings with the roundness and waviness errors have great influences on vibration performances of the high-speed trains
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Investigation on adaptive method of torque characteristic in dual clutch transmission during launch phase Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-04-11 Hongtao Hao; Tongli Lu; Jianwu Zhang; Wenjie Ding
To reduce sliding friction work and clutch judder, an adaptive method of torque characteristic in dual clutch transmission during launch phase is presented in this paper. The proposed approach provides a tool to identify the change of torque characteristic and adapt it in real time. Firstly, to reduce the influence of the error between the nominal engine torque and the actual engine torque, the estimator
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Effects of lightweight gear blank on noise, vibration and harshness for electric drive system in electric vehicles Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-03-30 Liguo Hou; Yulong Lei; Yao Fu; Jianlong Hu
In this paper, effects of lightweight gear blank on static and dynamic behavior for electric drive system in electric vehicles are studied. First, a hybrid finite element-analytical method is proposed in this paper to establish gear load contact analysis model considering the structure of lightweight gear blank, which can balance the computing speed and numerical accuracy. Second, this paper establishes
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Dynamic analysis of the flexible hub-beam system based on rigid-flexible coupling mechanism Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-03-25 Xiaowei Guo; Xin Yang; Fuqiang Liu; Zhangfang Liu; Xiaolin Tang
The flexible hub-beam system is a typical structure of the rigid-flexible coupling dynamic system. In this paper, the dynamic property of the flexible hub-beam system is investigated. First, based on the dynamic analysis of the flexible beam in the flexible hub-beam system, the dynamic model of a flexible hub-beam-tip mass system is established and researched. Second, the dynamic response of the flexible
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Vibration response analysis of high-speed cylindrical roller bearings using response surface method Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-03-09 Pravajyoti Patra; V Huzur Saran; SP Harsha
The operating clearance in a bearing influences friction, load zone size and fatigue life of a bearing. Hence, an effort is made to investigate the effect of radial internal clearance on the dynamical behavior of a cylindrical roller bearing system with an unbalance present in the system. The differential equations representing the dynamics of the cylindrical roller bearings have been derived using
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Optimal control of a novel cutter head driving system for tunnel boring machine Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-03-01 Chenchen Sun; Guofang Gong; Huayong Yang; Shuai Wang
The cutter head of a tunnel boring machine may be trapped in extremely adverse geological environments, which requires a large enough driving torque to get rid of the trapped condition. In this paper, a novel driving scheme is proposed to improve the driving performance of the tunnel boring machine cutter head without increasing the installation power. First, the hydro-viscous clutch is introduced
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Absolute nodal coordinate finite element approach to the two-dimensional liquid sloshing problems Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-02-25 Kai Pan; Dengqing Cao
Two-dimensional large-amplitude liquid sloshing in the rectangular rigid container is numerically simulated through absolute nodal coordinate finite element method, which can describe the large deformation of continuum by using a small number of elements. The incompressible constraint of Newtonian fluid is imposed by the penalty function method. Furthermore, the motion of rigid container is described
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Investigation and performance comparison of ride comfort on the created human vehicle road integrated model adopting genetic algorithm optimized proportional integral derivative control technique Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-02-20 Arivazhagan Anandan; Arunachalam Kandavel
This context exhaustively investigates the ride comfort performance index on the proposed active suspension vehicle system. Ride comfort in terms of occupants (includes driver and passenger) head acceleration, sprung mass vertical and pitching accelerations is considered. For this examination, a 14-degree-of-freedom human vehicle road integrated system model was extensively developed. Then, an active
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Position analysis and nonlinear phenomena of flexible manipulator with generic payload mounted on a moving base Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-01-28 Pravesh Kumar; Barun Pratiher
The investigation of the end-point trajectory and the nonlinear oscillation of elastic manipulator with offset payload mounted on moving base has been carried out by demonstrating the modal parameters and dynamic responses of a bi-directionally deflected rotating flexible link manipulator. A large deflection model of a flexible rotating manipulator considering both transverse and axial deformation
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Design and optimization of the transition curve in the novel profiled chamber metering pump Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-01-14 Li Liu; Chuan Ding; Pengfei Wang
To better understand the optimization of the stator profile to improve the dynamic performance of a novel profiled chamber metering pump, this paper presents a dynamic analysis method for transition curve design and optimization of the profiled chamber. The face-shaped curve of the inner chamber of the stator is formed of two quarter circular arcs and two quarter noncircular arcs, and the two quarter
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An improved compliant contact force model using a piecewise function for impact analysis in multibody dynamics Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2020-01-14 Jie Yu; Jinkui Chu; Yang Li; Le Guan
Contact-impact problems have attracted more and more attention in mechanical multibody systems. In the past period of time, a few compliant contact force models have been put forward. However, some compliant contact force models are only applicable to a specific range of coefficient of restitution impact problems. And, some compliant contact force models have large errors with the actual situation
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Adaptive comfort-oriented vehicle lateral control with online controller adjustments according to driver behaviour and look-ahead dynamics Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2019-12-23 Amirreza Mirbeygi Moghaddam; Ali Ghaffari; Alireza Khodayari
This paper presents a comfort-oriented adaptive fuzzy-model predictive control strategy to control the lateral motion of a vehicle with the steering angle as the input while preventing sudden changes and unwanted motions. This is reached by utilizing three main contributions: an adaptive fuzzy model based on look-ahead dynamics, limiting the controller to the acceptable range of states to the driver
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Theoretical analysis of the vibration modes of the star herringbone gear transmission system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2019-12-17 Feiming Wang; Sanmin Wang; Fei Li
The star herringbone gear transmission system has a high load-carrying capacity, and is widely used in aviation, marine power drives, off-road vehicles, and hybrid electric-drive vehicles. Vibration and noise are the key concerns with this transmission system. The lumped mass method was adopted to establish the dynamic model and equations of this system. The modes of the system were analyzed and classified
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A novel motion cueing algorithm integrated multi-sensory system–Vestibular and proprioceptive system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2019-12-17 Pham Duc-An; Nguyen Duc-Toan
Motion cueing algorithms are used to produce a motion which feels as realistic as possible while remaining in the limited workspace of driving simulators. Several optimal motion cueing algorithms were developed to improve both the exploitation of the workspace of a driving simulator and the realistic of the simulated motion. In the dynamics model of the optimal motion cueing algorithms, several kinds
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Effect of the bearing clearance on vibrations of a double-row planetary gear system Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2019-12-06 Jing Liu; Shizhao Ding; Linfeng Wang; Hongwu Li; Jin Xu
The bearing clearance, external torque, and input speed can greatly affect vibrations of the planetary gear system. The double-row planetary gear systems are commonly used in the gearbox of special vehicles, which are the key parts to obtain a larger gear ratio. Although many works have been presented to study those factors on vibrations of the single-row planetary gear system, a few works were focused
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A study of a rover wheel for Martian explorations, based on a flexible multibody approach Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2019-12-06 Stefano Sivo; Angelo Stio; Francesco Mocera; Aurelio Somà
Vehicles for planetary exploration have to operate in completely different environments from Earth. For this reason, the design process of the exploration unit has an important role and can affect the requirements of the entire mission for the different space agencies involved. These operations are very expensive and time consuming, so that, over the years, ad hoc CAE methods have been developed to
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Response analysis of the nonlinear vibration energy harvester with an uncertain parameter Proc. Inst. Mech. Eng. Part K J. Multi-Body Dyn. (IF 1.533) Pub Date : 2019-12-04 Dongmei Huang; Shengxi Zhou; Qun Han; Grzegorz Litak
In this paper, the Chebyshev polynomial approximation is firstly utilized to analyze the dynamical characteristics of the nonlinear vibration energy harvester with an uncertain parameter. First, the stochastic energy harvester is transformed into a high-dimensional equivalent deterministic system by the Chebyshev polynomial approximation. And the ensemble mean response of the stochastic energy harvester