Design of Flight Control System for a Novel Tilt-Rotor UAV by Zaibin Chen, Hongguang Jia

“…First, a new configuration scheme with the tilting rotors is designed. Then, the detailed nonlinear mathematical model is established, and the parameters are acquired from designed experiments and numerical analyses. …”
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Invariant Inhomogeneous Bianchi Type-I Cosmological Models with Electromagnetic Fields Using Lie Group Analysis in Lyra Geometry by Ahmad T. Ali

“…For this, Lie group analysis method is used to identify the generators that leave the given system of nonlinear partial differential equations (NLPDEs) (Einstein field equations) invariant. …”
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Investigation of Mode I fracture toughness of red Verona marble after thermal treatment by Daniela Scorza, Andrea Carpinteri, Giovanni Fortese, Sabrina Vantadori, Daniele Ferretti, Roberto Brighenti

“…Such a method is able to take into account the slow nonlinear crack growth occurring before the peak load, typical of quasi-brittle materials, with the advantage of easy specimen preparation and simple test configuration. …”
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Evaluation of Seismic Performance and Effectiveness of Multiple Slim-Type Damper System for Seismic Response Control of Building Structures by David Kim, Eun Hee Sung, Kwan-Soon Park, Jaegyun Park

“…Numerical simulations are also carried out by nonlinear time history analysis with a ten-story earthquake excited building structure. …”
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Determination of conditions for optimal control of linear magnetoelectric drive of low-speed single-stage piston compressor by A. A. Tatevosyan

“…However, in this case, nonlinear suction-discharge processes occurring in the compressor stage have a significant effect on the operation of the electromechanical converter. …”
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Two-Dimensional Ferroelectric Materials: From Prediction to Applications by Shujuan Jiang, Yongwei Wang, Guangping Zheng

“…Based on the work discussed in this review, we look ahead to theoretical prediction for 2D ferroelectric materials and their potential applications, such as the application in nonlinear optics. The progress in theoretical and experimental research could lead to the discovery and design of next-generation nanoelectronic and optoelectronic devices, facilitating the applications of 2D ferroelectric materials in emerging advanced technologies.…”
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Suppression of MRI Truncation Artifacts Using Total Variation Constrained Data Extrapolation by Kai Tobias Block, Martin Uecker, Jens Frahm

“…The assumption translates into a total variation minimization problem, which can be solved with a nonlinear optimization algorithm. In the presence of substantial noise, a modified approach offers edge-preserving denoising by allowing for slight deviations from the measured data in addition to supplementing data. …”
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Implementing Velocity-Based Training to Optimize Return to Sprint After Anterior Cruciate Ligament Reconstruction in Soccer Players: A Clinical Commentary by Florian FORELLI, Jérôme RIERA, Patrice MARINE, Maxime GASPAR, Geoffrey MEMAIN, Nicholas MIRAGLIA, Mathias NIELSEN – LE ROUX, Ismail BOUZEKRAOUI ALAOUI, Georgios KAKAVAS, Timothy E HEWETT, Enda KING, Alexandre JM RAMBAUD

“…The characteristics of running in soccer are specific (velocity differences, nonlinear, intensity). It is important to address these particularities, such as curvilinear running, acceleration, deceleration, changes of direction, and variations in velocity, in the patient's rehabilitation program. …”
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Study on Identification Method for Parameter Uncertainty Model of Aero Engine by Jie Bai, Shuai Liu, Wei Wang

“…The identification problem is solved by calculating nonlinear programming. Considering the parameter uncertainty of the model is the critical point of this research during the optimization process. …”
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A New Optimization via Simulation Approach for Dynamic Facility Layout Problem with Budget Constraints by Parham Azimi, Hamid Reza Charmchi

“…In the proposed algorithm, the nonlinear model of the DFLP has been changed to a pure integer programming (PIP) model. …”
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Generalized Quadratic Linearization of Machine Models by Parvathy Ayalur Krishnamoorthy, Kamaraj Vijayarajan, Devanathan Rajagopalan

“…In the exact linearization of involutive nonlinear system models, the issue of singularity needs to be addressed in practical applications. …”
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Micromechanical modeling and evaluation of CNTs reinforced magnesium matrix composites based on stress softening modified constitutive model by Mingjie Shen, Baojian Han, Tao Ying, Jingya Wang, Liping Zhou, Xiangzhen Xue, Yang Gao, Zongyang Yang

“…Heterogeneous composites have strong anisotropy and are prone to dynamic recrystallization during hot compression, making the mechanical response highly nonlinear. Therefore, it is a very challenging task to intellectually judge the thermal deformation characteristics of magnesium matrix composites (MgMCs). …”
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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. …”
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Monte Carlo Simulation of Linear Polymer Thermal Depolymerization under Isothermal and Dynamic Modes by Elena V. Bystritskaya, Oleg N. Karpukhin, Alla V. Kutsenova

“…Treatment of the model kinetic curves of degradation using the nonlinear regression method by the Avrami equation, under both isothermal and dynamic modes, gives correct activation energy and pre-exponential factor values independently of the initial PDI. …”
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Numerical Algorithm for Coupled Fixed Points in Normed Spaces with Applications to Fractional Differential Equations and Economics by Lifang Guo, Salha Alshaikey, Abeer Alshejari, Muhammad Din, Umar Ishtiaq

“…Moreover, we discuss the applications of our results in solving nonlinear integral equations. Furthermore, we introduce the idea of a coupled interpolative enriched cyclic Reich–Rus–Ćirić operator and establish the existence of a strongly coupled fixed-point theorem for this contraction. …”
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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. …”
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Mirror Prescription Regression: A Differential Interferometric Technique by Brian M. Robinson, Patrick J. Reardon, Joseph M. Geary

“…., radius of curvature and conic constant) of the mirror, based on these differential measurements, using a nonlinear regression. We apply this method successfully to the testing of a Space Optics Research Lab off-axis parabola with a known focal length of 152.4 mm, a diameter of 76.2 mm, and an off-axis angle of 12°.…”
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SOM Neural Network Fault Diagnosis Method of Polymerization Kettle Equipment Optimized by Improved PSO Algorithm by Jie-sheng Wang, Shu-xia Li, Jie Gao

“…The fault pattern classification of the polymerization kettle equipment is to realize the nonlinear mapping from symptom set to fault set according to the given symptom set. …”
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A Semianalytical Model for Multiple-Fractured Horizontal Wells with SRV in Tight Oil Reservoirs by Jiahang Wang, Xiaodong Wang, Wenxiu Dong

“…One novelty of this model is to consider the nonlinear flow around hydraulic fracture tips. The other novelty is the ability to model the shape of the SRV, production behavior of different fractures, and interfaces. …”
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Finite-Time Terminal Sliding Mode Tracking Control for Piezoelectric Actuators by Jin Li, Liu Yang

“…The proposed controller is applied for nanopositioning of piezoelectric actuators (PEAs). Nonlinearities, mainly hysteresis, can drastically degrade the system performance. …”
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