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Shuang Ruan, Ming Zhang, Shaofei Yang, Xiaohang Hu and Hong Nie
A dynamic model is established to investigate the shimmy instability of a landing gear system, considering the influence of nonlinear damping. The stability criterion is utilized to determine the critical speed at which the landing gear system becomes un...
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Zan Xu, Penglu Cui, Wengui Cao, Xingyi Zhang and Jiachao Zhang
The vacuum preloading method effectively strengthens soft soil foundations with vertical drainage, which produces a smear effect when laying sand drains. Meanwhile, the seepage of pore water and soil deformation during consolidation exhibit nonlinear cha...
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Igor V. Kaliberda,Alexander Chernyshev
Pág. 52 - 56
The problem of practical implementation of the theory of control systems is that real objects are most often not linear and their models cannot be adequately represented in the form of systems of linear equations. For nonlinear systems, in turn, there ar...
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Pengfei Wang, Weiqiang Wang, Sanlong Zheng, Bingbing Chen and Zengliang Gao
Nonlinear ultrasonic testing is highly sensitive to micro-defects and can be used to detect hidden damage and defects inside materials. At present, most tests are carried out on specimens, and there are few nonlinear ultrasonic tests for fatigue damage o...
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Sekson Sirisubtawee, Nuntapon Thamareerat and Thitthita Iatkliang
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Chih-Chiang Hong
Pág. 84 - 97
The objective of this study is to provide the frequency solutions of free vibration in thick FGM circular cylindrical shells by mainly considering both shear correction coefficient and nonlinear coefficient term. This paper investigates the effects of th...
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Chih-Chiang Hong
The effects of advanced nonlinear varied shear coefficient and third-order shear deformation theory (TSDT) on the dynamic responses of thick functionally graded material (FGM) plates under thermal vibration are investigated. The nonlinear coefficient of ...
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Pengkai Ru and Kamesh Subbarao
This paper discusses the derivation and implementation of a nonlinear model predictive control law for tracking reference trajectories and constrained control of a quadrotor platform. The approach uses the state-dependent coefficient form to capture the ...
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Pengkai Ru and Kamesh Subbarao
This paper discusses the derivation and implementation of a nonlinear model predictive control law for tracking reference trajectories and constrained control of a quadrotor platform. The approach uses the state-dependent coefficient form to capture the ...
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Alrijadjis ., Shenglin Mu, Shota Nakashima, Kanya Tanaka
Pág. 80 - 90
The proportional integral derivative (PID) controllers have been widely used in most process control systems for a long time. However, it is a very important problem how to choose PID parameters, because these parameters give a great influence on the con...
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Yoga Sasmita, Heri Kuswanto and Dedy Dwi Prastyo
Standard time-series modeling requires the stability of model parameters over time. The instability of model parameters is often caused by structural breaks, leading to the formation of nonlinear models. A state-dependent model (SDM) is a more general an...
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Yusry Osman El-Dib
Pág. 12 - 25
The current paper investigates the dynamics of the dissipative system with a cubic nonlinear time-delayed of the type of the damping Duffing equation. A coupling between the method of the multiple scales and the homotopy perturbation has been utilized to...
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Zhongchu Tian and Binlin Xu
As important load-bearing structures, suspension cables have been widely used in suspension bridges, engineering ropeways, cable suspension systems and other special equipment. Their dynamic problems have always been a research hotspot. Especially for co...
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Yicheng Gong, Zhongjing Wang, Guoyin Xu and Zixiong Zhang
The reliable and accurate prediction of groundwater levels is important to improve water-use efficiency in the development and management of water resources. Three nonlinear time-series intelligence hybrid models were proposed to predict groundwater leve...
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Jae Heon Cho and Jong Ho Lee
The dense highland field area in the upstream region of the Lake Soyang watershed is subject to excessive soil erosion during the wet season. In this study, stormwater runoff from the Lake Soyang watershed was monitored during four rainfall events at 10 ...
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Jae Heon Cho, Jong Ho Lee
Pág. 1 - 26
The dense highland field area in the upstream region of the Lake Soyang watershed is subject to excessive soil erosion during the wet season. In this study, stormwater runoff from the Lake Soyang watershed was monitored during four rainfall events at 10 ...
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Wenbin Mu, Fuliang Yu, Chuanzhe Li, Yuebo Xie, Jiyang Tian, Jia Liu and Nana Zhao
The rainfall-runoff process (RRP) is an important part of hydrologic process. There is an effective measure to study RRP through artificial rainfall simulation. This paper describes a study on three growing stages (jointing stage, tasseling stage, and ma...
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Mazaher Rahim-Esbo, Shahab Bayani, Reza Mohammadyari, Alireza Khalili Asboei, Saed Mohsenian, Seyed Esmaei Mousavitileboni
Pág. 669 - 677
Homotopy Perturbation Method (HPM) has been applied to solve a nonlinear heat transfer problem. Natural convection around an isothermal horizontal cylinder was studied. Heat transfer coefficient and specific heat coefficient were assumed to be dependent ...
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Ekachai Asa and Yoshio Yamamoto
This research presents an automatic flight control system whose advantage is its ease of modification or maintenance while still effectively meeting the system?s performance requirement. This research proposes a mixed servo state-feedback system for cont...
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Min Li, Zhirui Cui and Tianyu Fan
In order to further improve the accuracy of flood routing, this article uses the Variable Exponential Nonlinear Muskingum Model (VEP-NMM), combined with the Artificial Rabbit Optimization (ARO) algorithm for parameter calibration, to construct the ARO-VE...
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