Relevant bibliographies by topics / Gear-train backlash

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Gear-train backlash'

Author: Grafiati
Published: 6 September 2023
Last updated: 31 July 2025

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Journal articles on the topic "Gear-train backlash"

1

Sommer, Andrew, Jim Meagher, and Xi Wu. "Gear Defect Modeling of a Multiple-Stage Gear Train." Modelling and Simulation in Engineering 2011 (2011): 1–8. http://dx.doi.org/10.1155/2011/754257.

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This study demonstrates the transient and steady state dynamic loading on teeth within a two-stage gear transmission arising from backlash and geometric manufacturing errors by utilizing a nonlinear multibody dynamics software model. Backlash between gear teeth which is essential to provide better lubrication on tooth surfaces and to eliminate interference is included as a defect and a necessary part of transmission design. Torsional vibration is shown to cause teeth separation and double-sided impacts in unloaded and lightly loaded gearing drives. Vibration and impact force distinctions betwe
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2

Hsu, Y.-L., and S.-G. Wang. "Minimizing angular backlash of a multistage gear train." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 216, no. 4 (2002): 565–69. http://dx.doi.org/10.1243/0954405021520256.

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An optimization model is constructed to select the optimum reduction ratios that minimize the total angular backlash of a gear train, under constraints on the total reduction ratio and available space. It is found that a proper layout of reduction ratios has a major effect on the total angular backlash of a gear train.
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Zhu, Zengbao, Longchao Cheng, Rui Xu, and Rupeng Zhu. "Impacts of Backlash on Nonlinear Dynamic Characteristic of Encased Differential Planetary Gear Train." Shock and Vibration 2019 (May 27, 2019): 1–15. http://dx.doi.org/10.1155/2019/9347925.

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A multifreedom tensional nonlinear dynamic equation of encased differential planetary gear train with multibacklash and time-varying mesh stiffness was developed in the present research. The nonlinear dynamic response was obtained by solving the formulated nonlinear dynamic equation, and the impacts of backlash on dynamic characteristics of the gear train were then analyzed by combining time process diagram, phase diagram, and Poincaré section. The results revealed that bilateral shock in meshing teeth was caused due to smaller backlash, thus causing dramatic changes in meshing force; hence, t
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Litvin, F. L., D. Vecchiato, A. Demenego, E. Karedes, B. Hansen, and R. Handschuh. "Design of One Stage Planetary Gear Train With Improved Conditions of Load Distribution and Reduced Transmission Errors." Journal of Mechanical Design 124, no. 4 (2002): 745–52. http://dx.doi.org/10.1115/1.1515797.

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The authors propose an approach for the design of one-stage planetary gear train with reduced transmission errors, localized bearing contact and improved conditions of distribution of load between the planetary gears. The planetary gear train is considered as a multi-body mechanical system of rigid bodies. The proposed approach is based: (i) on modification of geometry of gear tooth surfaces, and (ii) minimization and equalization of the backlash between the contacting gear tooth surfaces. The modification of geometry is accomplished: (i) by double-crowning of planetary gears, and (ii) by appl
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Dankov, A. M. "PLANETARY CONTINUOUSLY ADJUSTABLE GEAR TRAIN WITH FORCE CLOSURE OF PLANET GEAR AND CENTRAL GEAR: FROM IDEA TO DESIGN." Science & Technique 17, no. 3 (2018): 228–37. http://dx.doi.org/10.21122/2227-1031-2018-17-3-228-237.

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One of the reasons constraining use of a continuously adjustable gear train with compound poly-sector gear wheels in general and its most perspective version that is a planetary continuously adjustable gear train in particular is its design complexity. For example, a complex design of the mechanism for regulation of transmission gear ratio is specified by the use of involute gearing that requires a presence of backlash and bottom clearances for normal functioning and, therefore, autonomous but synchronous movement of a planet gear, as well as sectors of a central gear. In order to simplify the
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Zhang, Lianchao, Hongbo Liao, Dapeng Fan, Shixun Fan, and Jigui Zheng. "Design optimization analysis of an anti-backlash geared servo system using a mechanical resonance simulation and experiment." Mechanical Sciences 12, no. 1 (2021): 305–19. http://dx.doi.org/10.5194/ms-12-305-2021.

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Abstract. In many mechatronic systems, gear transmission chains are often used to transmit motion and power between motors and loads, especially for light, small but large torque output systems. Gear transmission chains will inevitably bring backlash as well as elasticity of shafts and meshing teeth. All of these nonlinear factors will affect the performance of mechatronic systems. Anti-backlash gear systems can reduce the transmission error, but elasticity has to be considered too. The aim of this paper is to find the key parameters affecting the resonance and anti-resonance frequencies of an
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Joshi, Yashodhan V., and Jordan E. Kelleher. "Gear Train Mesh Efficiency Study: The Effects of an Anti-Backlash Gear." SAE International Journal of Commercial Vehicles 7, no. 1 (2014): 271–77. http://dx.doi.org/10.4271/2014-01-1769.

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Yang, Tianfu, Shaoze Yan, Wei Ma, and Zengyao Han. "Joint dynamic analysis of space manipulator with planetary gear train transmission." Robotica 34, no. 5 (2014): 1042–58. http://dx.doi.org/10.1017/s0263574714002045.

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SUMMARYJoints of space manipulators are usually simplified as torsional springs in modeling motion equations, and the nonlinear behaviors of the reducer in the joints are generally neglected. In this study, a dynamic model of a space manipulator that considers the joints that are transmitted through a typical 2K-H planetary gear reducer is developed using the Lagrangian method. The backlash clearances, gear tooth profile error, and time-variant meshing stiffness are integrated into the process. The simulation results show that the backlash clearances lead to the accumulation of positioning err
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Blanche, J. G., and D. C. H. Yang. "Cycloid Drives With Machining Tolerances." Journal of Mechanisms, Transmissions, and Automation in Design 111, no. 3 (1989): 337–44. http://dx.doi.org/10.1115/1.3259004.

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The cycloidal speed reducer, or cycloid drive, is an epicyclic gear train in which the profile of the planet gear is an epitrochoid and the annular sun gear has rollers as its teeth. The cycloid drive has very high efficiency and small size, in comparison with a conventional gear mechanism, making it an attractive candidate for limited space applications. On the other hand, in this type of transmissions there exist two major drawbacks, namely, backlash and torque ripple. Backlash, the angle through which the output shaft can rotate when the input shaft is held fixed, has a degrading effect on
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Donmez, Ata, and Ahmet Kahraman. "An experimental methodology to study engine gear rattle problems." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 3 (2021): 3335–43. http://dx.doi.org/10.3397/in-2021-2377.

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Gear induced noise represents a major part of overall automotive drivetrain noise. Gear rattle noise is caused by strongly nonlinear dynamic behavior of the gear pair, primarily due to external torque of speed fluctuations under lightly loaded conditions. Such loading conditions cannot be generated by using the conventional gear dynamics test set-ups that employ power recirculating gearbox arrangements or conventional electric motors. In this paper, a new test set-up is introduced to emulate the actual torque/velocity fluctuations of the input and/or output members of a gear train through thre
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Dissertations / Theses on the topic "Gear-train backlash"

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Sommer, Andrew Patrick. "VIBRATION-BASED HEALTH MONITORING OF MULTIPLE-STAGE GEAR TRAIN AND DIFFERENTIAL PLANETARY TRANSMISSION INVOLVING TEETH DAMAGE AND BACKLASH NONLINEARITY." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/631.

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The objective of this thesis is to develop vibration-based fault detection strategies for on-line condition monitoring of gear transmission systems. The study divides the thesis into three sections. First of all, the local stresses created by a root fatigue crack on a pinion spur gear are analyzed using a quasi-static finite element model and non-linear contact mechanics simulation. Backlash between gear teeth which is essential to provide better lubrication on tooth surfaces and to eliminate interference is included as a defect and a necessary part of transmission design. The second section i
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Prajapat, Ganesh Prasad. "Advanced modeling and control of DFIG based wind turbine systems." Thesis, 2018. http://localhost:8080/xmlui/handle/12345678/7602.

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Book chapters on the topic "Gear-train backlash"

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Karba, Bahadır, Nihat Yıldırım, Mert Vardar, Fatih Karpat, and Milan Rackov. "The Self-Compensation Approach for Backlash on Gear Train." In Machine and Industrial Design in Mechanical Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-88465-9_6.

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Du, Qinghao, Tuopu Zhang, Guilin Yang, Chin-Yin Chen, Weijun Wang, and Chi Zhang. "Analytical Backlash Model for 3K-type Planetary Gear Train with Flexure-Based Anti-backlash Carrier." In Intelligent Robotics and Applications. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-6489-5_31.

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Shi, Chunyang, Yushu Bian, and Zhihui Gao. "Research on Coupling Analysis of Factors Influencing Backlash in Gear Train Based on Probability Method." In Advances in Mechanism, Machine Science and Engineering in China. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9398-5_7.

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Conference papers on the topic "Gear-train backlash"

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Du, Qinghao, Guilin Yang, Weijun Wang, Chin-Yin Chen, and Zaojun Fang. "Dynamic Characteristics of Self-Eliminating-Backlash 3K Planetary Gear Train with Flexure-based Carrier." In 2024 IEEE International Conference on Mechatronics and Automation (ICMA). IEEE, 2024. http://dx.doi.org/10.1109/icma61710.2024.10633142.

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Zhu, Rupeng, Dongping Sheng, Fengxia Lu, Miaomiao Li, and Heyun Bao. "Modeling and Bifurcation Characteristics of Double Stage Planetary Gear Train With Multiple Clearances." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46105.

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This paper proposes a new non-linear transverse-torsional coupled model for double stage planetary gear train, and gear’s geometric eccentricity error, synthetical transmission error, time-varying meshing stiffness, sun-planet and planet-ring gear pair’s backlashes and sun gear’s bearing clearance are taken into account. The differential governing equations of motion are derived and solved by applying variable step-size Runge-Kutta numerical integration method. The system motion state is investigated systematically and qualitatively, and exhibits diverse bifurcation and chaos characteristics u
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Ghassabzadeh Saryazdi, M., and M. H. Ghaffari Saadat. "Detecting Backlash and Crack in Torsional Vibration of a Gear Train System." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39154.

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Torsional vibration of a two-stage gear train system is investigated, considering backlash and crack. Two criteria are used to detect backlash and crack for the purpose of vibration monitoring. A discretized model is considered which consists of a servomotor, a two-stage gearbox and a brake. It is shown that second moment of acceleration increases, increasing backlash. Kurtosis number diagnoses the tooth crack. Abrupt change in Kurtosis number shows that crack has been developed.
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Zhang, Q. John, and Jerry Rescigno. "Study of Transient Response of a Gear Train Under Pulsating Torque." In ASME 2000 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/detc2000/ptg-14439.

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Abstract This paper studied the transient response of a single reduction gear train under a pulsating torque. A 4-DOF model has been used to estimate the impact load on the gear teeth. The system equations are solved under different gear backlash, inertia, stiffness and gear ratio conditions. The sensitivities of impact load versus these parameters have been summarized. The nonlinear behavior of the impact force changing from period to random due to the torque drop is investigated. Angular velocity test verified the power input curve. Angular acceleration and lock-rotor tests show the agreemen
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Taheri Kahnamouei, Jalal, and Jianming Yang. "Statistical Linearization of Nonlinear Stiffness Matrix of Planetary Gear Train." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-70767.

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Stochastic dynamic analysis of the planetary gear train is complicated and it becomes more challenging when the nonlinear term is considered in the equation. A backlash between gears’ teeth is one of the nonlinearity sources in the gearbox which changes the equation of random vibration to nonlinear. In this paper, the linearization of the random vibration of multi-degrees of freedom (MDOF) with nonlinear stiffness is examined for planetary gear trains. The method used to treat nonlinearity is the statistical linearization method (SL). At first, to achieve adequate accuracy, the time domain is
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Fridman, Alexander, Olga Privalova, and Ilya Piraner. "Method of Computation for Periodic Oscillations of a High Power Density Internal Combustion Engine Drive Train in the Presence of Backlash." In ASME 2008 Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ices2008-1624.

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It is well known that presence of backlash in the timing gear train of modern internal combustion engines leads to significant increase in dynamic loads and noise. Accounting for the backlash introduces non-linearity in the numerical model. Traditionally such a system is solved as an initial value problem using multi-cycle numerical integration of the equation of motion in time domain. Present work offers an efficient method for analysis of periodic oscillations of multi-mass system of complex structure by converting it into a chainlike system. At first, the method is applied to a linear syste
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Blanche, J. G., and D. C. H. Yang. "Cycloid Drives With Machining Tolerances: Part I — Kinematic Analysis." In ASME 1987 Design Technology Conferences. American Society of Mechanical Engineers, 1987. http://dx.doi.org/10.1115/detc1987-0076.

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Abstract The cycloidal speed reducer, or cycloid drive, is an epicyclic gear train in which the profile of the planet gear is an epitrochoid and the annular sun gear has rollers as its teeth. The cycloid drive has very high efficiency and small size, in comparison with a conventional gear mechanism, making it an attractive candidate for limited space applications. On the other hand, in this type of transmissions there exist two major drawbacks, namely, backlash and torque ripple Backlash, the angle through which the output shaft can rotate when the input shaft is held fixed, has a degrading ef
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Oh, Sukil, Koo-Tae Kang, Kang-Young Soh, and Jung-Ho Kim. "Whine Noise Development of Engine Timing Gear System in Heavy Duty Vehicle." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47251.

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Gear train is the most applied in the heavy duty engine timing system on the benefit of reliability, durability, timing accuracy, maintenance, and high torque transmission. But the gear train is vulnerable to rattle and whine noise due to many serial gear connections, which lead to more possibility for gear backlash impact and gear transmission errors compared with chain and toothed meshed belt timing systems. Furthermore, normal heavy duty diesel vehicles like truck and bus are well vibration isolated from engine at gear noise frequency range. Therefore, noise source control is inevitable in
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Giagopulos, D., C. Salpistis, and S. Natsiavas. "On Some Peculiarities Encountered in the Identification of Nonlinear Gear-Pair Systems." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-85006.

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This study investigates issues related to parametric identification of a typical power train component with nonlinear characteristics. In particular, a gear-pair system supported on bearings with rolling elements is selected. This model accounts for gear backlash and bearing stiffness nonlinearities. A Bayesian statistical framework is first adopted in order to estimate the optimal values of the gear and bearing model parameters. This is achieved by combining experimental information from vibration measurements with theoretical information built into a parametric mathematical model of the syst
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Wasfy, Tamer M., and Michael Lee Stark. "Multibody Dynamics Model for Predicting the Vibration Response and Transient Tooth Loads for Planetary Gear Systems." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48814.

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A high-fidelity multibody dynamics model for predicting the transient response of planetary gear trains is presented. The model supports an arbitrary number of gears, stages and arms. The model accurately accounts for the effects of gear tooth stiffness/damping/friction and tooth backlash. The multibody system representing the system is modeled using rigid bodies, revolute joints and rotational actuators. A penalty model is used to impose the joint and normal contact constraints. The normal contact penalty stiffness and damping are used to model the tooth stiffness and damping. The contact mod
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