Improved GSO Optimized ESN Soft-Sensor Model of Flotation Process Based on Multisource Heterogeneous Information Fusion by Jie-sheng Wang, Shuang Han, Na-na Shen

“…Then the kernel principal component analysis (KPCA) method is used to reduce the dimensionality of the high-dimensional input vector composed by the flotation froth image characteristics and process datum and extracts the nonlinear principal components in order to reduce the ESN dimension and network complex. …”
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Forward Kinematics Solution of Stewart Platform based on Improved Non-dominated Sorting Genetic Algorithm by Qiguo Hu, Yanli Luo, Yuqian Wang

“…Due to the highly multivariate nonlinear function， the forward kinematics solution method is hard to be both fast and accurate. …”
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Dynamic Analysis of the Gear Transmission System of High-speed Trains Based on IHBM by Chen Zhan, Zhang Jianchao, Hu Yufei, Wang Jun

“…The results show that there are several high-order super harmonic resonance regions, amplitude jumps, one or more multi-valued solution regions and other nonlinear characteristics in the system under the parameter changes of the driving end and the load end torque excitation. …”
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Algorithm and Experimental Study of Circular Omnidirectional Focused Wave Synthesis for Extreme Wave Simulation by NI Yiping, WANG Tianyi, WANG Lei, LIN Jun, CHEN Jun, GUO Zebin

“…To reproduce extreme focused waves,based on the traditional two-dimensional double superposition focusing method,the spectral peak frequency,frequency band and wave amplitude distribution method have been improved,and a circular omnidirectional focused wave synthesis algorithm has been innovatively developed.The algorithm achieves the simulation of extreme focused waves and graphic focused waves,such as single-peaked focused waves,double-peaked focused waves,eccentric focused waves,rotating focused waves,and D-shaped focused waves.It is also capable to accurately control the focal position,height,diameter,verticality and other wave forms.Moreover,it can simulate strong nonlinear waves such as generating up jets with a height of up to 10 m and an impulse velocity of 13.8 m/s.In addition,the algorithm has the ability to simulate conventional waveforms,including rotating waves,standing waves and other regular waves,to fulfill the demand of traditional wave tests.…”
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Backcalculation of Finite-Element Modeling Based on Field Measurements Results of Excavation in Steel Sheet Pile Walls by Zoa Ambassa, Jean Chills Amba, Merlin Bodol Momha, Landry Djopkop Kouanang

“…The study presents a development of a nonlinear finite element calculation technique for the prediction of the stability of the multistaged deep excavation in submerged multilayered soft soil retained by steel sheet pile walls structures performed from Cast3M FE code. …”
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Effect of the Drum Height on the Seismic Behaviour of a Free-Standing Multidrum Column by Ante Buzov, Jure Radnić, Nikola Grgić, Goran Baloević

“…It is expected that the experimental database can be useful in the validation of nonlinear numerical models for the dynamic analysis of multidrum columns.…”
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STABILITY CONTROL MODELLING UNDER DYNAMIC MOTION SCENARIO OF A DIFFERENTIAL DRIVE ROBOT by ADEDOTUN O. OWOJORI, KAYODE F. AKINGBADE, WALIU O. APENA, ERASTUS O. OGUNTI

“…Basically, differential drive robotic system describes an unstable, nonlinear system related to an inverted pendulum. The research attempts to harness the parameters obtained from a computer-aided design tool (Solid works) to model the system for complete stability control and dynamic motion of the system within a planned trajectory. …”
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Novel Analysis of Fuzzy Fractional Klein-Gordon Model via Semianalytical Method by Mohammad Alshammari, Wael W. Mohammed, Mohammed Yar

“…It is crucial to emphasize that the suggested fuzziness method is intended to demonstrate the efficiency and superiority of numerical solutions to nonlinear fractional fuzzy partial differential equations found in complex and physical structures.…”
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Polariton lattices as binarized neuromorphic networks by Evgeny Sedov, Alexey Kavokin

“…The binary neuron switching mechanism, driven by the nonlinear repulsion through the excitonic component of polaritons, offers computational efficiency and scalability advantages over continuous weight neural networks. …”
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Design of the Variable Inclination Continuous Transverse Stub Antenna Based on Rectangular Grating Slow-Wave Structure by Jun Gao, Xue Lei, Guo-Hu Chen, Yi Zhang, Jun-Mo Wu

“…Lastly, by using the theoretical model, an approach for nonlinearly designing SWS is introduced and carried out. …”
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Design of Robust Adaptive Observer against Measurement Noise for Sensorless Vector Control of Induction Motor Drives by Asma Boulmane, Youssef Zidani, Mohammed Chennani, Driss Belkhayat

“…This technique ensures the stability of the induction motor considered as nonlinear dynamic system. Since the Luenberger observer works on deterministic environment, and it is most effective when sensor noise is limited, the present study aims to design a robust observer insensitive to measurement noise and parametric variation integrated in a cascade structure. …”
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Risk Measurement for Portfolio Credit Risk Based on a Mixed Poisson Model by Rongda Chen, Huanhuan Yu

“…Finally, given the values of coefficients in this model calculated by a nonlinear estimation, Monte Carlo technique simulates the progress of loss occurrence. …”
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Impact-Rubbing Dynamics of Rotor with Hollow Shaft and Offset Discs Based on MDOF Timoshenko Beam Theory by Guofang Nan, Xia Yao, Jingya Yao, Chao Wang

“…The research results indicate that the power turbine rotor with the hollow shaft on operation shows the various nonlinear dynamic behaviors including the multiperiod, quasi-period, jumping phenomenon, and chaotic motions; there exists an optimal gap between the rotor and the stator from the perspective of the efficiency and the dynamics; the optimal gap should make system avoid the resulting chaos or the quasi-period motion for the stability and safety of the machinery.…”
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Approximate Analytical Solution for the Forced Korteweg-de Vries Equation by Vincent Daniel David, Mojtaba Nazari, Vahid Barati, Faisal Salah, Zainal Abdul Aziz

“…HAM is an approximate analytical technique which provides a novel way to obtain series solutions of such nonlinear problems. It has the auxiliary parameter ℏ, where it is easy to adjust and control the convergence region of the series solution. …”
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Modified Modal Pushover Design for Asymmetric-Plan RC Shear-Wall Structures by Mohammad Sadegh Birzhandi, Daniyal Mirzakhani

“…An appropriate hysteretic model (PIVOT model) is selected for the first-mode nonlinear SDOF system so that it estimates the peak and time history displacement response of the roof accurately. …”
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A novel approach to $ \mathit{q} $-fractional partial differential equations: Unraveling solutions through semi-analytical methods by Khalid K. Ali, Mohamed S. Mohamed, M. Maneea

“…In this study, we solve linear and nonlinear $ \mathit{q} $-FPDEs and obtain the closed-form solutions, which confirm the validity of the utilized methods. …”
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Combined Effect of Buoyancy Force and Navier Slip on MHD Flow of a Nanofluid over a Convectively Heated Vertical Porous Plate by Winifred Nduku Mutuku-Njane, Oluwole Daniel Makinde

“…A suitable similarity transformation is employed to reduce the governing partial differential equations into nonlinear ordinary differential equations, which are solved numerically by employing fourth-order Runge-Kutta with a shooting technique. …”
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Simultaneous prediction of 10m and 100m wind speeds using a model inspired by brain emotional learning by Alireza Hakimi, Parvin Ghafarian

“…Using ERA5 reanalysis data, BELBFM effectively captures the nonlinear dynamics of wind behavior. Evaluation with data from the Persian Gulf demonstrates BELBFM’s high accuracy, enhancing predictive capabilities for applications in renewable energy and structural engineering. …”
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Damage evolution in the AlMg6 alloy during high and very high cycle fatigue by Mikhail Bannikov, Dmitry Bilalov, Vladimir Oborin, Oleg Naimark

“…Paper presents the �in situ� method for determining of irreversible fatigue damage accumulation, based on the analysis of nonlinear manifestations of the feedback signal in a closed system of an ultrasonic fatigue system. …”
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Adaptive Fuzzy Path Tracking Control for Mobile Robots with Unknown Control Direction by Qifei Du, Lin Sha, Wuxi Shi, Liankun Sun

“…Nevertheless, the exact position of the center of mass is not easy to measure, thus WMRs is a typical uncertain nonlinear system with unknown control direction. Based on the fast terminal sliding mode control, an adaptive fuzzy path tracking control scheme is proposed for mobile robots with unknown control direction. …”
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