LOCAL LINEAR EMBEDDING ALGORITHM FOR PARAMETER MATRIX MEASUREMENT IN SYMMETRIC POSITIVE DEFINITE MANIFOLD (MT) by LIU QingQiang, HE HongKai, ZHENG ChangMin, SUN YanRu, LIU ZiXuan

“…Aiming at the problem that Euclidean space cannot effectively describe the nonlinear structure of the data and affects the performance of the feature extraction of the local linear embedding（LLE） algorithm, a local linear embedding algorithm based on the parameter matrix measurement on a symmetric positive definite（SPD-PMM-LLE） manifold is proposed. …”
Get full text

Shape Sensing of Plate and Shell Structures Undergoing Large Displacements Using the Inverse Finite Element Method by Alexander Tessler, Rinto Roy, Marco Esposito, Cecilia Surace, Marco Gherlone

“…The incremental iFEM procedure is demonstrated to be sufficiently accurate in terms of reproducing the correct nonlinear character of the load-displacement curve even when a reduced number of strain sensors is used. …”
Get full text

Rate-Dependent Hysteresis Model Based on LS-SVM for Magnetic Shape Memory Alloy Actuator by Mengyao Wang, Zhenze Liu, Yewei Yu, Xiaoning Yang, Wei Gao

“…In addition, with the powerful nonlinear fitting capability and good generalization of LS-SVM, the dynamic performance of the proposed model is effectively improved. …”
Get full text

Deterministic and Stochastic Study for an Infected Computer Network Model Powered by a System of Antivirus Programs by Youness El Ansari, Ali El Myr, Lahcen Omari

“…We investigate the various conditions that control the extinction and stability of a nonlinear mathematical spread model with stochastic perturbations. …”
Get full text

Heat and Mass Transfer Enhancement of MHD Hybrid Nanofluid Flow in the Presence of Activation Energy by M. Shanmugapriya, R. Sundareswaran, P. Senthil Kumar

“…The mathematical structure regarding the physical model for hybrid nanofluid is established and then the similarity variables are induced to transmute the leading PDEs into nonlinear ODEs. These equations were solved using the shooting technique together with RKF 4-5th order for various values of the governing parameters numerically. …”
Get full text

Energy efficiency maximization resource allocation algorithm in wireless-powered backscatter communication network by Yongjun XU, Bowen GU, Qianbin CHEN, Jinzhao LIN

“…In order to alleviate the energy consumption problem caused by the increasing number of Internet of things (IoT) nodes,an energy-efficient (EE) maximization based resource allocation algorithm was proposed for multi-carrier wireless-powered backscatter communication network.Firstly,a multivariable and nonlinear resource allocation model was formulated to jointly optimize transmit power,transmission time,reflection coefficient,and energy-harvesting allocation coefficient,where the maximum transmit power constraint of the power station and the minimum harvested energy constraint at the backscatter device were considered.Then,the original non-convex optimization problem was transformed into a convex one which was solved by using Dinkelbach’s method and the variable substitution approach.Furthermore,the analytical solution of the resource allocation problem was obtained based on Lagrange dual theory.Simulation results verify that the proposed algorithm has better EE by comparing it with the existing algorithm under pure backscatter mode and algorithm under the harvested-then-transmit mode.…”
Get full text

Rheological and Structural Properties of Camel Milk/Sweet Potato Starch Gel by A. A. Mohamed, S. Hussain, M. S. Alamri, M. A Ibraheem, Akram A. Abdo Qasem, Omar A. Alhaj, Mohammad A. Alshuniaber

“…Gels exhibited shear thinning according to the nonlinear rheological tests. Camel milk exhibited gel hardness much higher than cow milk. …”
Get full text

DC MOTOR ANGULAR POSITION CONTROL SYSTEM USING ARDUINO PLATFORM by Dragos-Ioan Matei, Alexandru Negroiu, Gabriela Bucur

“…Since the system is nonlinear, the PID controller is the best choice to accomplish this task. …”
Get full text

CREEP DAMAGE CONSTITUTIVE MODEL OF FE-CR-NI BASED AUSTENITIC STAINLESS STEEL by GUO XiaoFeng, LIU BenXin, NAN NingNing, GONG JianMing, DONG ZhiMing

“…Compared with the failure time predicted by the widely used power law model（Kachanov-Robotnov model and Liu-Murakami model）, the prediction results of the current model can reflect the nonlinear relationship between stress and creep rupture time under double logarithmic coordinates in a wide stress range, so the prediction results are more reasonable.…”
Get full text

Sensitivity Analysis of the Coupled Dynamic Behavior of Vehicles in Collision with Semirigid Guardrails by Chun Liu, Hong-Jun Liao, Jun Chen, Qian-Qian Deng

“…This model comprehensively integrates the nonlinear dynamic behavior of both the vehicle body and the guardrail structure. …”
Get full text

The Effects of MHD Flow and Heat Transfer for the UCM Fluid over a Stretching Surface in Presence of Thermal Radiation by M. Subhas Abel, Jagadish V. Tawade, Jyoti N. Shinde

“…The governing system of partial differential equations are transformed into a system of coupled nonlinear ordinary differential equations and is solved numerically by efficient shooting technique. …”
Get full text

Global Well-Posedness for a Class of Kirchhoff-Type Wave System by Xiaoli Jiang, Xiaofeng Wang

“…Combining the potential well method with an improved convex method, we establish a criterion for the well-posedness of the system with nonlinear source and dissipative and viscoelastic terms. …”
Get full text

Adaptive Dead Zone Compensation Control Method for Electro-Hydrostatic Actuators Under Low-Speed Conditions by Haoyi Jiang, Zhenfei Ling, Fengqi Zhou, Maowen Sun, Hao Liu, Lilin Xu, Yeming Yao, Xiaoping Ouyang, Huayong Yang

“…Abstract This study proposes an accurate dead zone compensation control method for electro-hydrostatic actuators (EHAs) under low-speed conditions. Specifically, the nonlinear dead zone characteristics under low-speed conditions are summarized based on numerous EHA experiments. …”
Get full text

Acoustic frequency comb generation on a composite diamond/silicon microcantilever in ambient air by Zhixin Zhao, Yanyan Li, Wangyang Zhang, Wenyao Luo, Duo Liu

“…We develop a parametric driving scheme that enables generation of AFCs through injection locking and sequential nonlinear dynamic transitions involving subharmonic synchronization (Arnold tongue), and chaotic dynamics. …”
Get full text

Fast Trajectory Generation Method for Midcourse Guidance Based on Convex Optimization by Jinlin Zhang, Jiong Li, Chijun Zhou, Humin Lei, Wanli Li

“…To generate the midcourse guidance trajectory for intercepting the high-speed and high maneuvering target, which is a strongly nonlinear and strongly constrained problem, a two-stage convex optimization method is proposed to solve the optimal trajectory quickly. …”
Get full text

Research on Adaptive Friction Compensation of Digital Hydraulic Cylinder Based on LuGre Friction Model by Shouling Jiang, Kun Zhang, Hui Wang, Donghu Zhong, Jinpeng Su, Zengkai Liu

“…This paper aims to eliminate nonlinear friction from the performance of the digital hydraulic cylinder to enable it to have good adaptive ability. …”
Get full text

Wind Turbine Aerodynamic Performance by Lifting Line Method by Horia Dumitrescu, Vladimir Cardos

“…The model is not a free wake model, but it is still a nonlinear one which should be solved iteratively. In addition to the regular case where the trailing vortices are constrained to distribute along a helical surface, another version, where each trailing vortex sheding from the blade grows as a free helical vortex line, is also included. …”
Get full text

SIMULATION AND ANALYSIS OF COMPOUND ABRASIVE GRINDING PERFORMANCE OF SPIRAL BEVEL GEARS (MT) by LIU Bin, YAN ChangFeng, WEI LiLin, YANG HaoDong, ZHAO XiaoMan

“…The grinding of spiral bevel gears is a nonlinear and dynamic complex process. It is significant to explore the complex grinding mechanism of spiral bevel gears by simulating the grinding process based on finite element method. …”
Get full text

Sparse Graph Embedding Based on the Fuzzy Set for Image Classification by Minghua Wan, Mengting Ge, Tianming Zhan, Zhangjing Yang, Hao Zheng, Guowei Yang

“…In recent years, many face image feature extraction and dimensional reduction algorithms have been proposed for linear and nonlinear data, such as local-based graph embedding algorithms or fuzzy set algorithms. …”
Get full text

Model Predictive Voltage Control with Optimal Duty Cycle for Three-Phase Grid-Connected Inverter by Shahrouz Ebrahimpanah, Qihong Chen, Liyan Zhang, Misbawu Adam

“…The proposed strategy offers a better reference tracking error with less THD in linear and nonlinear load situations. The effectiveness of the proposed method has been verified by MATLAB/Simulink and experimental results exhibit a better steady-state performance with less sampling frequency.…”
Get full text