Stator flux based-MRAS position/speed observer of sensorless switched reluctance motor drives including startup operation by Hady Abdel Maksoud, Mohamed S. Zaky

“…This paper introduces a new sensorless approach-based model reference adaptive system (MRAS) for switched reluctance motor (SRM). A simplified nonlinear model is derived using phase-inductance-based finite element (FE) analysis. …”
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Load Parameter Identification for Parallel Robot Manipulator Based on Extended Kalman Filter by Shijie Song, Xiaolin Dai, Zhangchao Huang, Dawei Gong

“…Then, according to the dynamic model, the excitation signal is designed and a weak nonlinear dynamic model is derived. Furthermore, the identification model is presented and the identification algorithm based on the extended Kalman filter is designed. …”
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IMPACT OF EXTERNAL DEBT ON FINANCIAL DEVELOPMENT: AN EMPIRICAL ANALYSIS OF SELECTED EAST ASIAN AND PACIFIC COUNTRIES by Hoang Minh Nguyen

“…The results indicate that external debt has a positive impact on the financial development of these East Asian and Pacific countries, where economic growth plays a vital role in promoting financial development. Additionally, a nonlinear impact of external debt on the financial development of these East Asian and Pacific countries is observed. …”
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Improved GSO Optimized ESN Soft-Sensor Model of Flotation Process Based on Multisource Heterogeneous Information Fusion by Jie-sheng Wang, Shuang Han, Na-na Shen

“…Then the kernel principal component analysis (KPCA) method is used to reduce the dimensionality of the high-dimensional input vector composed by the flotation froth image characteristics and process datum and extracts the nonlinear principal components in order to reduce the ESN dimension and network complex. …”
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The Reciprocal Influence Criterion: An Upgrade of the Information Quality Ratio by Riccardo Rossi, Michela Gelfusa, Filippo De Masi, Matteo Ossidi, Andrea Murari

“…The Pearson correlation coefficient, the mutual information, and the information quality ratio are the most widely used indicators, only the last two being valid for nonlinear interactions. Given their limitations, a new criterion is proposed, the reciprocal influence criterion, which is very simple conceptually and does not make any assumption about the statistics of the stochastic variables involved. …”
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Dynamic Compressive and Tensile Characteristics of a New Type of Ultra-High-Molecular Weight Polyethylene (UHMWPE) and Polyvinyl Alcohol (PVA) Fibers Reinforced Concrete by Bashir H. Osman, Xiao Sun, Zhenghong Tian, Hao Lu, Guilin Jiang

“…Based on the macrodamage factor, the traditional nonlinear viscoelastic constitutive model was simplified and improved. …”
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Algorithm and Experimental Study of Circular Omnidirectional Focused Wave Synthesis for Extreme Wave Simulation by NI Yiping, WANG Tianyi, WANG Lei, LIN Jun, CHEN Jun, GUO Zebin

“…To reproduce extreme focused waves,based on the traditional two-dimensional double superposition focusing method,the spectral peak frequency,frequency band and wave amplitude distribution method have been improved,and a circular omnidirectional focused wave synthesis algorithm has been innovatively developed.The algorithm achieves the simulation of extreme focused waves and graphic focused waves,such as single-peaked focused waves,double-peaked focused waves,eccentric focused waves,rotating focused waves,and D-shaped focused waves.It is also capable to accurately control the focal position,height,diameter,verticality and other wave forms.Moreover,it can simulate strong nonlinear waves such as generating up jets with a height of up to 10 m and an impulse velocity of 13.8 m/s.In addition,the algorithm has the ability to simulate conventional waveforms,including rotating waves,standing waves and other regular waves,to fulfill the demand of traditional wave tests.…”
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Using DIC techniques to measure strain ranges inside the cyclic plastic zone ahead of a fatigue crack tip by Giancarlo luis Gómez Gonzáles, Julián Andrés Ortiz González, Jaime Tupiassú Pinho de Castro, José Luiz de França Freire

“…The applied technique can identify as well the effects of other nonlinear phenomena that happen in the near-tip region, such as crack closure. …”
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Combined Effect of Buoyancy Force and Navier Slip on MHD Flow of a Nanofluid over a Convectively Heated Vertical Porous Plate by Winifred Nduku Mutuku-Njane, Oluwole Daniel Makinde

“…A suitable similarity transformation is employed to reduce the governing partial differential equations into nonlinear ordinary differential equations, which are solved numerically by employing fourth-order Runge-Kutta with a shooting technique. …”
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The Encounter of Arabic Intellectual Discourses with Modernity: An Introduction and Critique of Book of Arabic and Modernity: A Study in the Discourse of Modernists by Mohammad Ali Tavana

“…In contrast to Belqiziz, the discourse of critical rationalism is the solution to these problems because of its reliance on the internal dialectic between self and the other, self and the other dialectical critique, nonlinear view of history (simultaneous intellectual history), cultural understanding of modernity, avoidance of absolutism, as well as the possibility of combining Western and Islamic. …”
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Assessing the Effect of Air Blast Loading on the Structural Behaviour of Reinforced Concrete Column. by Kasyage, Abubakali

“…The study underscores the importance of incorporating nonlinear material behavior in simulations to accurately predict structural responses. …”
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Machine Learning and Regression Models for Evaluating Ultimate Performance of Cotton Rope-Confined Recycled Aggregate Concrete by Kittipoom Rodsin, Ali Ejaz, Huaping Wang, Panumas Saingam, Panuwat Joyklad, Wasim Khaliq, Qudeer Hussain, Chichaya Boonmee

“…The second branch was described using a linear approximation, and nonlinear regression analysis produced expressions for key points on the idealized compressive curve, enhancing model accuracy for CR-confined RAC. …”
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Explainable machine learning for modeling of net ecosystem exchange in boreal forests by E. Ezhova, T. Laanti, A. Lintunen, P. Kolari, T. Nieminen, I. Mammarella, K. Heljanko, K. Heljanko, M. Kulmala

“…We use data sets from two stations in the Finnish boreal forest (southern site Hyytiälä and northern site Värriö) and model NEE during the peak growing season and the whole year. For Hyytiälä, all nonlinear models demonstrated similar results with <span class="inline-formula"><i>R</i>²</span> <span class="inline-formula">=</span> 0.88 for the peak growing season and <span class="inline-formula"><i>R</i>²</span> <span class="inline-formula">=</span> 0.90 for the whole year. …”
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A Novel Electrical Load Forecasting Model for Extreme Weather Events Based on Improved Gated Spiking Neural P Systems and Frequency Enhanced Channel Attention Mechanism by Yuanshuo Guo, Jun Wang, Yan Zhong, Tao Wang, Zeyuan Sui

“…This paper proposes a basic framework for future load forecasting researches of sustainable energy systems under extreme weather events and provides new direction for membrane computing model in terms of load forecasting. Inspired by nonlinear spiking mechanisms in nonlinear spiking neural P systems, the gated spiking neural P (GSNP) model is a new recurrent-like network. …”
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Risk of hemorrhagic fever with renal syndrome associated with meteorological factors in diverse epidemic regions: a nationwide longitudinal study in China by Nan Chang, Wenzhong Huang, Yanlin Niu, Zhihu Xu, Yuan Gao, Tingting Ye, Zihao Wang, Xiaohui Wei, Yuming Guo, Qiyong Liu

“…Furthermore, the association between relative humidity and HFRS incidence exhibited as a monotonic negative correlation in Rattus-dominant regions, while Apodemus-dominant regions showed a nonlinear, inverted U-shaped association. Conclusions This study highlights the heterogeneous effects of meteorological factors on HFRS incidence across different epidemic regions. …”
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Association Between Urinary Metal Levels and Chronic Kidney Dysfunction in Rural China: A Study on Sex-Specific Differences by Kaisheng Teng, Qinyi Guan, Qiumei Liu, Xiaoting Mo, Lei Luo, Jiahui Rong, Tiantian Zhang, Wenjia Jin, Linhai Zhao, Songju Wu, Zhiyong Zhang, Jian Qin

“…RCS analysis revealed nonlinear associations between V, Cu, Ba, Pb, and CKD (all <i>p</i>-nonlinear < 0.05). …”
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Tension Strength Prediction of Transverse Branch Plate-to-Rectangular Joint with Concrete Filling by Zhihua Xiong, Yongjian Liu, Bin Liu, Lei Jiang

“…Tension strength equations were proposed for both CBPRH joints with and without PBR by nonlinear regression. The chord axial stress reduction factor was discussed and a modified equation originated from hollow joint was recommended for CBPRH joint. …”
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Robust optimization of air based relay for internet of things based on UAV by Wei WANG, Renqian GU, Li3 PENG, Jijun ZHAO, Zhongcheng WEI, Cunxi CHANG

“…Faced with the need of key regional information transmission in the emergency situation where the perception network lacks of ground base stations, considered about the uncertainty of spatial positioning of emergency internet of things (eIoT) nodes, a robust optimization method for air-based relay of eIoT based on unmanned aerial vehicle (UAV) was proposed.Firstly, the system modeling of this kind of eIoT was carried out.Secondly, according to the fact that the non-convex and nonlinear model has a great correlation with the positioning accuracy of the ground-based eIoT equipment and the tiny disturbance of the positioning information can lead to the invalid solution of the model, the system model was relaxed and the uncertainty description of the location data of the eIoT equipment was introduced, Then the robust equivalent model of the low altitude UAV relay communication power optimization problem was obtained.Thirdly, the model solving algorithm was given.Finally, the effectiveness and robustness of the proposed method were verified from the deployment of UAV and communication energy consumption.At the same time, the factors effecting the effectiveness of the proposed method were analyzed.…”
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Study on discrete prediction model for mechanical behavior of buried pipelines under the influence of differential frost heave by Xiyan Zhang, Lei Chen, Lipei Guan

“…On this basis, the properties of nonlinear frost heaving springs are disclosed. A model of pipeline mechanical state is derived to understand the deformation and stress at any moment, allowing the dynamic prediction of mechanical behaviors. …”
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CSO Intelligent Optimization of Drag Torque Parameters of Wet Brakes Based on the SSA-BP Approximate Model by Li Jie, Wang Shuai, Lan Hai, Wang Zhiyong

“…To solve the engineering problem of power loss in wet brakes under non-braking conditions, taking into consideration the influence of the lubricating oil in the clearance of friction pairs on the drag torque of the friction pair, making use of the strong nonlinear fitting ability of the sparrow-search-algorithm-back propagation (SSA-BP) neural network, and taking the no-load operating condition of wet brakes as the input variable and the drag torque as the output variable, an approximate model of wet brakes is established. …”
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