Stability and control mechanism of nonlinear horizontal vibration for rolling system with gyroscope precession effect [PDF]
Scientific ReportsThis paper investigates the nonlinear horizontal vibration of a cold rolling system induced by the gyroscope precession effect-a critical yet underexplored issue affecting strip quality and rolling stability.
Chaofan Sun +5 more
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Classification of Parametric Rolling for Seagoing Ships and Percentage Distribution for Multiple Sea State Parameters [PDF]
TransNav, 2022 In this paper, parametric rolling is divided into 5 heavy grades, establishing a classification for parametric rolling. This is achieved by a multi-parameter application in the simulations.
Sovanna Chhoeung, Axel Hahn
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Applied Sciences, 2023 In this paper, parametric forced tuned solid ball dampers (TSBD) are considered for vibration control of engineering structures in an untypical way. The special feature of the presented investigation is to evaluate the potential application of parametric
Michael Reiterer, Joachim Muik
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Axial stiffness for large-scale ball slewing rings with four-point contact [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2021 This article deals with the design of slewing rings (slewing bearings). A fully parametric, 3D virtual model of a ball slewing ring with four-point contact was created in the PTC/Creo Parametric CAD system.
Slavomir Hrcek +2 more
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Application of the IMO Second Generation Intact Stability Criteria to a Ballast-Free Containership
Journal of Marine Science and Engineering, 2021 A methodology is presented to systematically modify the hull shape of a ballast-free container ship, in order to manage the issue of righting lever variation in waves.
Nicola Petacco +3 more
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Vibration Characteristics of Hot Rolling Mill Rolls Based on Elastoplastic Hysteretic Deformation
Metals, 2021 Based on the analysis of the influence of roll vibration on the elastoplastic deformation state of a workpiece in a rolling process, a dynamic rolling force model with the hysteresis effect is established.
Rongrong Peng +2 more
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STRUCTURAL-PARAMETRIC SYNTHESIS OF ROLLING MILLS MULTI-MOTOR ELECTRIC DRIVES
Electrical engineering & Electromechanics, 2020 Aim. Improving of control accuracy by rolling strip thickness and tension and reducing of sensitivity to changes of plant parameters based on structural-parametric synthesis of robust control by rolling mills multi-motor electric drives with parametric ...
B. I. Kuznetsov +2 more
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Dynamic stability vulnerability assessment and optimization of large ocean-going passenger vessel
Zhongguo Jianchuan Yanjiu, 2021 ObjectivesThe dynamic stability of large ocean-going passenger vessel is of great important to ensuring the safety of a large number of passengers. Thus, it is necessary to carry out vulnerability assessment and optimization for typical failure modes ...
Xiaoqing QIN +3 more
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Numerical calculation and mechanical mechanism analysis of ship parametric rolling
Zhongguo Jianchuan Yanjiu, 2020 [Objective] The parametric rolling is a special instability phenomenon of ship in the wave. The current research proves that the change of the stability parameter when the wave passes through the hull is the reason for the rolling motion of the hull,but ...
ZHU Jun +5 more
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Applied Sciences, 2020 In this paper, a simplified approach in the analysis of the varying compliance vibrations of a rolling bearing is presented. This approach analyses the generation of vibrations in relation to two boundary positions of the inner ring support on an even ...
Radoslav Tomović
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