Faults Detection Using Sliding Mode Observer and Its Application on Elevating Servo Systems by Lingfei Tian, Linfang Qian, Miao Li, Jiawei Fu

“…In practice, model uncertainty, nonlinearities, unknown disturbance, and output noise present enormous challenges to conduct fault detection of the system. …”
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Forecasting Daily Precipitation Using Hybrid Model of Wavelet-Artificial Neural Network and Comparison with Adaptive Neurofuzzy Inference System (Case Study: Verayneh Station, Naha... by Abazar Solgi, Vahid Nourani, Amir Pourhaghi

“…Recently artificial neural network (ANN) as a nonlinear interextrapolator is extensively used by hydrologists for precipitation modeling as well as other fields of hydrology. …”
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Trajectory Tracking Control of Mecanum Wheels Mobile Platform Based on MPC by Huang Xiaoyu, Sun Yongzhi, Li Jinrong, Wang Yiting, Yang Qiwei

“…The linear error model of the Mecanum wheels chassis is established by the attitude control loop, the quadratic objective function is designed, and the problem of path following is transformed into predictive control for the nonlinear model. In the velocity control loop, the differential forward PID controller is used to avoid the high-frequency disturbance to the system caused by frequent step changes of the input quantity, accelerate the convergence of the angular velocity of the Mecanum wheels, and enhance the stability of the system. …”
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VIBRATION MEASUREMENT METHOD OF WIND TURBINE BLADE BASED ON BINOCULAR PHOTOGRAM METRY by YAKUP AhMat, WANG WenYun, GULBAHAR TohTi, SUN Zhi, MAMTIMIN GeNi

“…binocular photogrammetry vibration measurement method for considering the radial and tangential distortion parameters calibration by using the Levenberg-Marquardt algorithm based nonlinear optimization was proposed. As an example,the modal frequency identified of a wind turbine blade. …”
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Computational study of fluid forces over a cylinder attached with elastic beam: A finite element-based simulations by Yasir Arif, Rashid Mahmood, Mehdi Tlija, Afraz Hussain Majeed, Kamran Usman, Ehab Seif Ghith

“…This approach enables us to address the nonlinearities at each time step and apply direct, steady techniques. …”
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Extraction of Weak Scatterer Features Based on Multipath Exploitation in Radar Imagery by Muhannad Almutiry, Lorenzo Lo Monte, Michael C. Wicks

“…Modeling reflections from one target towards another as a transmitting dipole will add the multiple scattering effects to the scattering field and permit us to solve a linear inverse problem without sophisticated solutions of a nonlinear matrix in the forward model. Simulation results are presented to validate the concept.…”
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Image Super-Resolution Using Lightweight Multiscale Residual Dense Network by Shilin Li, Ming Zhao, Zhengyun Fang, Yafei Zhang, Hongjie Li

“…This method can not only reduce the redundancy of network parameters but also enhance the nonlinear mapping ability of the network at different scales. …”
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RESEARCH ON THE OPTIMAL SYNTHESIS OF A MULTI-CONTOUR MECHANISM by Dorin Bădoiu

“…The synthesis of mechanisms is a complex field of study that includes, in addition to the knowledge necessary for the correct configuration of working mechanisms and those necessary for their analysis, knowledge from the field of nonlinear programming that involves the calculation of the extrema of an objective function, possibly subject to some constraints. …”
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Modeling and Dynamic Analysis of Spherical Roller Bearing with Localized Defects: Analytical Formulation to Calculate Defect Depth and Stiffness by Behnam Ghalamchi, Jussi Sopanen, Aki Mikkola

“…The new dynamic model describes the contact forces between bearing rolling elements and race surfaces as nonlinear Hertzian contact deformations, taking radial clearance into account. …”
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Multimodal Green Logistics Network Design of Urban Agglomeration with Stochastic Demand by Jiehui Jiang, Dezhi Zhang, Shuangyan Li, Yajie Liu

“…To describe the game behaviors of logistics authorities in urban agglomeration, the problem is formulated as two nonlinear bilevel programming models, namely, independent and centralized decision models. …”
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A Nonstandard Dynamically Consistent Numerical Scheme Applied to Obesity Dynamics by Rafael J. Villanueva, Abraham J. Arenas, Gilberto González-Parra

“…This interacting population model represented as a system of coupled nonlinear ordinary differential equations is used to analyze, understand, and predict the dynamics of obesity populations. …”
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A Study on the Dynamic Performance for Hydraulically Damped Rubber Bushings with Multiple Inertia Tracks and Orifices: Parameter Identification and Modeling by Chao-Feng Yang, Zhi-Hong Yin, Wen-Bin Shangguan, Xiao-Cheng Duan

“…Compared with the results predicted by a nonlinear lumped parameter model whose parameters are extracted by a parameter identification technique, using the model, the effect of the main rubber and the fluid track on the dynamic stiffness and the loss angle is investigated. …”
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An Improved Differential Evolution Solution for Software Project Scheduling Problem by A. C. Biju, T. Aruldoss Albert Victoire, Kumaresan Mohanasundaram

“…It is also capable of handling nondifferentiable, nonlinear, and multimodal objective functions like SPSP. …”
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Circular thin plates buckling analysis with HRPIM method by Baid Sokayna, Hilali Youssef, Mesmoudi Saïd, Bourihane Oussama

“…This paper aims to introduce a new approach to simulate geometrically nonlinear problems that require shape functions with higher order continuity such as the buckling analysis of circular thin and thick plates based on two theories; Classical plate theory (CPT) and Third order Shear Deformation Theory (TSDT). …”
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Characterization of Soil Enhancement Mixtures at Low-Magnitude Currents by Fazlul Aman, Usman Muhammad, Normiza Mohamad Nor, Haziah Hamid

“…It was found that dry sand–EM mixtures can be represented by an R-C parallel circuit, while wet sand–EM mixtures can be represented by a nonlinear R. These new test data providing the soil resistivity and permittivity of various sand–EM mixtures are important in selecting suitable EMs to be used in grounding systems.…”
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A fault tolerant control for iced aircraft based on fixed-time incremental dynamic inversion with FTESO by JIANG Feihong, LIU Xiaoxiong, LIU Zhenbao, LI Yu, CHEN Jiaxin

“…To address this problem, in this paper a fixed-time incremental nonlinear dynamic inversion(INDI) control method based on a fixed-time dilated state observer(FTESO) is proposed, and a flight controller for a certain type of transport aircraft is designed based on this method, which is used to enhance the flight control capability under icing conditions, and thus improve the flight safety. …”
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Deadbeat Control of a Modified Single-Phase Five-Level Photovoltaic Inverter with Reduced Number of Switches by Mohsen Ghorbanali Afjeh, Mojtaba Babaei, Mohsen Alizadeh Bidgoli, Amir Ahmarinejad

“…This closed-loop inverter is implemented in TMS320f28335 digital signal controller to evaluate the performance of the proposed inverter under nonlinear and linear loads. Simulation and laboratory prototype results show that IEC 62040-3 harmonic constraints is met for the proposed photovoltaic inverter in standalone applications.…”
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Stability Analysis of Regular and Chaotic Ca2+ Oscillations in Astrocytes by Min Ye, Hongkun Zuo

“…Then, we investigate the effectiveness and the accuracy of our nonlinear dynamical mechanism analysis via computer simulations. …”
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Abundant Coexisting Multiple Attractors’ Behaviors in Three-Dimensional Sine Chaotic System by Huagan Wu, Han Bao, Quan Xu, Mo Chen

“…This paper presents a novel and simple three-dimensional (3-D) chaotic system by introducing two sine nonlinearities into a simple 3-D linear dynamical system. …”
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Global Dynamics of Secondary DENV Infection with Diffusion by A. M. Elaiw, A. S. Alofi

“…The model includes five nonlinear PDEs describing the interaction among the target cells, DENV-infected cells, DENV particles, heterologous antibodies, and homologous antibodies. …”
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