Radially inflows and outflows of hydromagnetic viscous fluid between two narrowly flat disks by A. Naeem, Z. Abbas, M.Y. Rafiq

“…These findings are significant for understanding and optimizing non-uniform open-channel flows impacted by nonlinear inertia, with real-world applications in designing efficient fluid transport systems, enhancing heat exchangers, and improving the performance of devices such as centrifugal pumps and turbines.…”
Get full text

Research on End-Effector Position Error Compensation of Industrial Robotic Arm Based on ECOA-BP by Wenping Xiang, Junhua Chen, Hao Li, Zhiyuan Chai, Yinghou Lou

“…Industrial robotic arms are often subject to significant end-effector pose deviations from the target position due to the combined effects of nonlinear deformations such as link flexibility, joint compliance, and end-effector load. …”
Get full text

Multi-Objective Portfolio Optimization Strategy Using the SPEA-II Algorithm by Alireza Azarberahman, Malihe Tohidinia, Hossein Aliakbarzadeh

“…The results show that the SPEA-II algorithm can generate portfolios with higher returns and lower risks compared to the Markowitz model and traditional methods, taking into account the complex and nonlinear conditions of the capital market. In addition, the SPEA- II algorithm showed significant efficiency and stability across different frequencies and time periods. …”
Get full text

Modeling and Numerical Prediction on Mechanical Behaviors of Hybrid Fiber Reinforced Polymer Bio Composites Using Fuzzy Logic Algorithm by Vinoth Viswanathan, Sathiyamurthy Subbarayan, Ananthi Narayanaswamy, Devi Panneerselvam, Prabhakaran Jayasankar

“…The effectiveness of the nonlinear regression analysis and fuzzy logic model was evaluated through confirmatory experiments. …”
Get full text

Sauna-Induced Body Mass Loss in Young Sedentary Women and Men by Robert Podstawski, Tomasz Boraczyński, Michał Boraczyński, Dariusz Choszcz, Stefan Mańkowski, Piotr Markowski

“…The influence of BMI on the amount of BML in the sauna was determined by nonlinear stepwise regression. The smallest BML was noted in underweight subjects; students with normal weight lost more weight, whereas the greatest BML was reported in overweight and obese subjects. …”
Get full text

Optimal control problems with time delays: Two case studies in biomedicine by Laurenz Göllmann, Helmut Maurer

“…After discussing the necessary optimality conditions for delayed optimal control problems with control-state constraints, we propose discretization methods by which the delayed optimal control problem is transformed into a large-scale nonlinear programming problem. The first case study is concerned with the delay differential model in [21] describing the tumour-immune response to a chemo-immuno-therapy. …”
Get full text

Finite element models of intervertebral disc: recent advances and prospects by Tianze Sun, Junlin Wang, Xin Liu, Huagui Huang, Jinzuo Wang, Moran Suo, Jing Zhang, Zhonghai Li

“…We summarized the types and constructional methods of the FE models and analyzed the applications of some representative FE models.Results The most widely used model was the nonlinear model which considers the behavior of porous elastic materials. …”
Get full text

On Behavioral Response of Microstructural Slip on the Development of Magnetohydrodynamic Micropolar Boundary Layer Flow by Raja Mehmood Khan, Waqas Ashraf, Muhammad Sohail, Shao-Wen Yao, Wael Al-Kouz

“…The flow is modeled by a set of PDEs which are transformed to a nonlinear system of ODEs by employing boundary layer transformations. …”
Get full text

Solitary wave solutions of the time fractional Benjamin Bona Mahony Burger equation by K. Pavani, K. Raghavendar, K. Aruna

“…This equation is critical for characterizing the dynamics of water waves and fluid acoustic gravity waves, as well as explaining the unidirectional propagation of long waves in nonlinear dispersive systems. This equation also describes cold plasma for hydromagnetic and audio waves in harmonic crystals. …”
Get full text

A Simple Numerical Model to Estimate the Temperature Distributions Over Photodetectors in Steady-State by Ergun Simsek, Alexander S. Hastings, David A. Tulchinsky, Keith J. Williams, Curtis R. Menyuk

“…Varying the reverse bias voltage while keeping the output current constant by changing the input optical power leads to nonlinear variations in the bandwidth, phase noise, and quantum efficiency. …”
Get full text

Generation of multi-watt sub-50 fs pulses in Mamyshev oscillators: influence of the central wavelength in the grating filter by Feihong Qiao, Jinbo Wang, Xinhe Dou, Xiang Li, Bole Song, Zhiguo Lv

“…To our knowledge, this is the highest average power achieved in sub-50 fs pulse duration in the nonlinear polarization rotation-assisted mode-locked MO laser architecture. …”
Get full text

Condition monitoring and multi-fault classification of hydraulic systems using multivariate functional data analysis by Cevahir Yildirim, Alba M. Franco-Pereira, Rosa E. Lillo

“…The fault diagnosis of complex nonlinear systems, such as hydraulic systems, has become increasingly important due to advancements in big data analytics, machine learning (ML), Industry 4.0, and Internet of Things (IoT) applications. …”
Get full text

A Hybrid Domain Degradation Feature Extraction Method for Motor Bearing Based on Distance Evaluation Technique by Baiyan Chen, Hongru Li, He Yu, Yukui Wang

“…The vibration signal of the motor bearing has strong nonstationary and nonlinear characteristics, and it is arduous to accurately recognize the degradation state of the motor bearing with traditional single time or frequency domain indexes. …”
Get full text

Day-Ahead Crude Oil Price Forecasting Using a Novel Morphological Component Analysis Based Model by Qing Zhu, Kaijian He, Yingchao Zou, Kin Keung Lai

“…As a typical nonlinear and dynamic system, the crude oil price movement is difficult to predict and its accurate forecasting remains the subject of intense research activity. …”
Get full text

Advanced Photovoltaic Emulator with ANN-Based Modeling Using a DC-DC Push-Pull Converter and LQR Control with Current Observer by Aboubakeur HADJAISSA, Mohammed BENMILOUD, khaled AMEUR, HALIMA BOUCHENAK, Maria DIMEH

“…The ANN emulates the nonlinear characteristics of PV panels, generating precise reference currents. …”
Get full text

Satellite Constellation Orbit Design Optimization with Combined Genetic Algorithm and Semianalytical Approach by Tania Savitri, Youngjoo Kim, Sujang Jo, Hyochoong Bang

“…A global optimization method, Genetic Algorithm (GA), is chosen due to its ability to locate a global optimum solution for nonlinear multiobjective problems. From six orbital elements, five elements (semimajor axis, inclination, argument of perigee, longitude of ascending node, and mean anomaly) are varied as optimization design variables. …”
Get full text

Physicochemical Changes of Cocoa Beans during Roasting Process by Pedro García-Alamilla, Laura Mercedes Lagunes-Gálvez, Juan Barajas-Fernández, Ricardo García-Alamilla

“…The effect of the variables was nonlinear and modeled with a second-order response polynomial. …”
Get full text

A Low Computational Complexity SML Estimation Algorithm of DOA for Wireless Sensor Networks by Faming Gong, Haihua Chen, Shibao Li, Jianhang Liu, Zhaozhi Gu, Masakiyo Suzuki

“…However, its computational complexity is very high because multidimensional nonlinear optimization problem is usually involved. …”
Get full text

Dubovsky’s Class of Mathematical Models for Describing Economic Cycles with Heredity Effects by Danil Makarov, Roman Parovik, Zafar Rakhmonov

“…Dubovsky, consisting of two nonlinear differential equations of fractional order and describing the dynamics of the efficiency of new technologies and the efficiency of capital productivity, taking into account constant and variable heredity. …”
Get full text

Disturbance-Observer-Based Fuzzy Control for a Robot Manipulator Using an EMG-Driven Neuromusculoskeletal Model by Longbin Zhang, Wen Qi, Yingbai Hu, Yue Chen

“…To compensate for the external disturbances, fuzzy approximation errors, and nonlinear dynamics, a disturbance observer was integrated into the controller. …”
Get full text