Forward Position Solution of Redundantly Constrained Cable-driven Parallel Robot by Tao Ye, Zhang Shangying, Wang Yanwei

“…A kinematics model of a redundantly constrained cable-driven parallel robot is established，and the mechanism is parameterized to solve the inverse position solution problem. The nonlinear equations of forward kinematics are established，and the original pose of the end effector is taken as the iterative initial value to solve the forward position solution problem by applying the proposed algorithm. …”
Get full text

Multidimensional Fixed-Point Theorems in Partially Ordered Complete Partial Metric Spaces under ()-Contractivity Conditions by A. Roldán, J. Martínez-Moreno, C. Roldán, E. Karapınar

“…We study the existence and uniqueness of coincidence point for nonlinear mappings of any number of arguments under a weak ()-contractivity condition in partial metric spaces. …”
Get full text

An Improved Recursive ARIMA Method with Recurrent Process for Remaining Useful Life Estimation of Bearings by Zeyu Luo, Xian-Bo Wang, Zhi-Xin Yang

“…The proposed method adds moving average (MA) components to the framework of ARNN, adding the long-range dependence and nonlinear factors. To deal with the recursive characteristics of the MA term, a process of MA component estimating is constructed based on the expectation-maximum method. …”
Get full text

AIRCRAFT SPOILER SUSPENSION STIFFNESS TEST AND ANALYSIS (MT) by GAO Jie, LI Chao

“…After the problem was located quickly and accurately, the structure were re-analyzed by the nonlinear analysis method of geometric large deformation based on Patran/Nastran platform. …”
Get full text

Contact Performance Numerical Simulation and Analysis of Gear Skiving by Chen Yongpeng, Xiao Lei

“…The results show that there is a nonlinear positive correlation between the contact stress and the feed. …”
Get full text

Neural Network Compensation Control for Output Power Optimization of Wind Energy Conversion System Based on Data-Driven Control by T. Li, A. J. Feng, L. Zhao

“…Due to the uncertainty of wind and because wind energy conversion systems (WECSs) have strong nonlinear characteristics, accurate model of the WECS is difficult to be built. …”
Get full text

Diverse Exact Soliton Solutions of the Time Fractional Clannish Random Walker’s Parabolic Equation via Dual Novel Techniques by Imran Siddique, Khush Bukht Mehdi, M. Ali Akbar, Hamiden Abd El-Wahed Khalifa, Asim Zafar

“…In this article, we acquire a variety of new exact traveling wave solutions in the form of trigonometric, hyperbolic, and rational functions for the nonlinear time-fractional Clannish Random Walker’s Parabolic (CRWP) equation in the sense of beta-derivative by employing the two modified methods, namely, modified G′/G2− expansion method and modified F− expansion method. …”
Get full text

Measurement and simulation of strain fields around crack tips under mixed-mode fatigue loading by Y. Hos, M. Vormwald, J.L.F. Freire

“…The mechanical material behavior has been assumed as linear elastic in a first approach for calculating stress intensity factors. The nonlinear nature of the cyclic deformation has been taken into account by applying a cyclic plasticity model, and plasticity-induced crack closure is captured by a contact formulation.…”
Get full text

A Comparative Study of Fractional-Order Diffusion Model within Atangana-Baleanu-Caputo Operator by Mohammad Alshammari, Naveed Iqbal, Davis Bundi Ntwiga

“…The suggested techniques can be applied to nonlinear fractional-order problems in a variety of applied science areas due to their simple and straightforward implementation. …”
Get full text

Complexity: Frontiers in Data-Driven Methods for Understanding, Prediction, and Control of Complex Systems 2022 on the Development of Information Theoretic Model Selection Criteria... by Andrea Murari, Michele Lungaroni, Riccardo Rossi, Luca Spolladore, Michela Gelfusa

“…On the other hand, particularly in the investigation of complex systems and nonlinear phenomena, discriminating between alternative models can be a very challenging task. …”
Get full text

Design of Reduced-Order Multiple Observers for Uncertain Systems with Unknown Inputs by Mihai Lungu

“…The design of reduced-order multiple observers which can achieve the finite-time state reconstruction for nonlinear systems described by multiple models is a niche area problem; the author of this paper continuing his work started with the introduction of the reduced-order multiple observer concept. …”
Get full text

King-Type Derivative-Free Iterative Families: Real and Memory Dynamics by F. I. Chicharro, A. Cordero, J. R. Torregrosa, M. P. Vassileva

“…A biparametric family of derivative-free optimal iterative methods of order four, for solving nonlinear equations, is presented. From the error equation of this class, different families of iterative schemes with memory can be designed increasing the order of convergence up to six. …”
Get full text

Viscosity model for fully liquid silicate melt by Zhang Guo-Hua, Chou Kuo-Chih

“…A model for estimating the viscosity of silicate melt as derived in our previous paper is extended to the system containing MgO, CaO, SrO, BaO, Li2O, Na2O, K2O, which can express the nonlinear variation of activation energy of viscosity with the composition. …”
Get full text

APPLICATION OF GWO-SVM IN WIND TURBINE GEARBOX FAULT DIAGNOSIS by HU Xuan, LI Chun, YE KeHua

“…Aiming at the nonlinear and instability characteristics of the wind turbine gearbox bearing fault signal,a method based on the Fuzzy Entropy and Grey Wolf Optimizer Support Vector Machine（ GWO-SVM） for the fault diagnosis of gearbox was proposed in this paper. …”
Get full text

Implementing the Vieta–Lucas Collocation Optimization Method for MHD Casson and Williamson Model under the Effects of Heat Generation and Viscous Dissipation by M.M. Khader, A. Eid, M. Adel

“…This method is used to convert the problem’s system of ordinary differential equations (ODEs) into a nonlinear system of algebraic equations. This system is built as a restricted optimization problem and optimized to obtain the series solution’s unknown coefficients. …”
Get full text

Vehicle Type Recognition Algorithm Based on Improved Network in Network by Erxi Zhu, Min Xu, De Chang Pi

“…For the high efficiency of the multilayer perceptive layer of Network in Network (NIN), the nonlinear features of local receptive field images can be extracted. …”
Get full text

Study on the Damping Mechanism of the Shrouded Blade considering Contact Features by Chaofeng Li, Tao Li, Ruihuan Qiao, Bangchun Wen

“…The results demonstrate that the damping effect of the shroud by contact is more obvious than by friction and the amplitude-frequency curve of the shrouded blade shows a strong hard nonlinear phenomenon.…”
Get full text

Power Control for Direct-Driven Permanent Magnet Wind Generator System with Battery Storage by Chu Xiao Guang, Kong Ying

“…Given that the wind generator system has inertia and is nonlinear, the dynamic model of the wind generator system takes the advantage of the duty of the Buck converter and employs feedback linearization to design the optimized turbine speed tracking controller and the load power controller. …”
Get full text

THE EFFECT OF CLEARANCE BETWEEN INTERNAL SPLINE AND EXTERNAL SPLINE ON LOAD SHARING CHARACTERISTICS OF A PLANETARY GEAR TRAIN by SHEN Rui, FU BiBo, HUANG ZhenRong, YAN YueSheng, KANG LiXia

“…Also,friction of inner and outer teeth in splined connection as well as constraint floating of sun gear are simulated. The nonlinear opposite supporting force of the spline on the input shaft to the sun gear is established. …”
Get full text

Simulation and Experimental Analysis of Stiffness and Damping of the Waist Type Diaphragm Coupling by Hong Yun, Wang Dan, Nong Su, Zhu Rupeng, Chen Weifang

“…The dynamic model of the diaphragm coupling can be better established through the quasi elliptic function. The nonlinear stiffness and the equivalent damping coefficient changes in a period of the diaphragm vibration can be obtained.…”
Get full text