Design of High-Speed, High-Efficiency Electrically Excited Synchronous Motor by Shumei Cui, Yuqi Zhang, Beibei Song, Shuo Zhang, Hongwen Zhu

“…In air-conditioning compressors operating under ultra-low temperature conditions, both the rotational speed and load torque are at high levels, demanding pump motors that offer high efficiency and high power at high speeds. …”
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Finite element analysis of percutaneous uniplanar screw fixation in the treatment of thoracolumbar fractures by Shen Cao, Tao Xuan, Chengbao Zhang, Yubing Zhang

“…Abstract Objective To compare the biomechanical characteristics of thoracolumbar fractures treated with uniplanar screws, monoaxial screws, and polyaxial screws using finite element analysis. …”
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Curative Effect of Synchronous Functional Training of Neuromuscular Eelectrical Stimulation on Patients with Functional Ankle Instability by Ziwen PEI, Zhizhong GENG, Gongli YAN, Danyang LI, Jian CHEN

“…Objective:To observe the effects of synchronous functional training of neuromuscular electrical stimulation (NMES) on patients with functional ankle instability (FAI).Methods:A total of 50 FAI patients treated in the hospital of Wuhan Sports University were randomly assigned to NMES group and control group by random number table method, with 25 cases in each group. …”
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Study on the Influence of Inertial Force on the Performance of Aerostatic Thrust Bearings by Shuo Jia, Chenhui Jia, Yanhui Lu

“…Finally, in the multi-factor analysis, the sample regression equation of relative error of bearing capacity and relative error of restoring torque is established by using the multiple regression analysis method. …”
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The Impact of Wafters on the Thermal Properties and Performance of In-Wheel Motor by Muhammad Hasan Albana, Ary Bachtiar Khrisna Putra, Harus Laksana Guntur

“…IWM with wafters results in a torque increase of 0.14%, a power increase of 0.64%, and an efficiency improvement of 0.6% compared to IWM without wafters.…”
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An Improved SOGI-Higher-Order Sliding Mode Observer-Based Induction Motor Speed Estimation by Enyam Kobena Badu, Effah Francis Boafo, Hammond Desmond

“…The robustness of the proposed speed estimation method is verified through simulations conducted on MATLAB/Simulink R2024a developed by MathWorks, demonstrating its capability to effectively track the motor’s actual speed even under varying load torque conditions, parameter variations and additional sensor noise. …”
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Research on Control-Oriented Modeling for Turbocharged SI and DI Gasoline Engines by Feitie Zhang, Shoudao Huang, Xuelong Li, Fengjin Guan

“…For the cylinder, the air mass flow into cylinders, fuel mass, torque, and exhaust temperature are modeled. Compared to the conventional lookup table approach, transient dynamics error can be improved significantly through using the model from this work.…”
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Treatment Efficacy of Open Kinetic Chain Combined with Closed Kinetic Chain Exercise Training on Patients after Anterior Cruciate Ligament Reconstruction by GAO Peng, JIANG Xin, WANG Junzhe, WANG Hongyu, LIU Chengyao

“…Before and after intervention, Lysholm score and the international knee documentation committee (IKDC) score were used to evaluate the function of the affected knee, the KT-1000 score of the knee ligament and the differences of bilateral active range and passive range of motions; the ratio of jump distance between the affected side and the healthy side during one foot jump and cross foot jump were used to evaluate the lower limb motor function; Fugl-Meyer balance scale and Berg balance scale (BBS) were used to evaluate the balance function; isokinetic muscle strength testing system was used to analyze peak torque (PT), average power (AP), total power (TW) and atrophy index of quadriceps femoris on the affected side.Results(1) Knee motor function: compared with that before intervention, Lysholm and IKDC scores in four groups after intervention increased significantly, and KT-1000 score, bilateral active and passive joint motion differences decreased significantly (<italic>P</italic>&lt;0.05). …”
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Research and Experiment on an Adaptive Feedforward Compensation Composite Control Strategy for an Electro-Hydraulic Servo System by Mei Luhai

“…First, the basic structure and mathematical models of the important components of the electro-hydraulic servo test bench were introduced, and the control structure diagrams of torque control and position control were elaborated. …”
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Novel sliding mode control of the manipulator based on a nonlinear disturbance observer by Keyou Guo, Haoze Zhang, Caili Wei, Haibing Jiang, Jiangnan Wang

“…The observer is designed to estimate unknown models in real-time, enabling feedforward compensation for various uncertainties such as modeling errors, joint friction, and external torque disturbances. The control law is formulated by integrating the Backstepping method, Lyapunov theory, and global fast terminal sliding mode theory, ensuring global convergence to zero within finite time and enhancing system robustness. …”
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Design of a Mechanised Sorghum Sieving Machine Used in Agriculture Production. by Amanya, Davis

“…This study was formulated to design and simulate a mechanized sieving machine for sorghum, incorporating a detailed study of existing designs and utilizing SolidWorks software for conceptualization. The methods involved desk review by comparing the existing specifications with the mode of operations, and interviews through direct interviews with local farmers about the capacity of their product. …”
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Design and stability analysis of the multi-pose and multi-function lower limb assist device based on ZMP by ZHOU Xiaochen, SUN Tianxue, ZHANG Baoxu, JIA Bingqi, ZHAO Yanjun

“…ObjectiveTo address the difficulty of traveling for patients with lower limb motor dysfunction and promote the recovery of lower limb function, a multi-posture, multi-functional lower limb assistive device was designed, offering functions for mobility, assisted standing and lower limb rehabilitation training.MethodsThe static simulation was conducted using Ansys software to assess the safety of the device during use; the kinematics and dynamics models of lower limb exoskeleton were established to obtain the spatial posture and theoretical torque of each joint,providing theoretical support for the subsequent prototype fabrication; the "Zero-Moment Point" (ZMP) position model of the human body-assist device system was established, the theoretical ZMP was calculated, and the virtual prototype was imported into Adams software for simulation to obtain the variation in the supporting foot position, the stability of the device was validated by comparing the positions of ZMP and the supporting foot;the physical prototype was constructed.ResultsThe rationality of the prototype design was validated by comparing simulation and experimental data, providing a basis for subsequent research.…”
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A Deep Neural Network-Based High Performance Robust Position Controller for Servomechanisms by Mehmet Ilyas Bayindir

“…Specifically, the new DNN-based controller offers better transient response and load torque rejection under parameter uncertainty, compared to the sliding mode controller from which the training data were produced. …”
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Self-Loosening Failure Analysis of Bolt Joints under Vibration considering the Tightening Process by Yan Chen, Qiang Gao, Zhenqun Guan

“…The accuracy of the finite element model is verified and validated by comparison with the analytical and experimental results on torque-tension relationship. And, then, the fastening states acquired by different means are compared. …”
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Blending and Suspension Characteristics of VISCO JET Impellers by A. Krupica, T. Jirout

“…Their main advantages appear to be ease of use and reduced torque requirements.…”
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Multi-Objective Optimal Control of Variable Speed Alternating Current-Excited Pumped Storage Units Considering Electromechanical Coupling Under Grid Voltage Fault by Tao Liu, Yu Lu, Xiaolong Yang, Ziqiang Man, Wei Yan, Teng Liu, Changjiang Zhan, Xingwei Zhou, Tianyu Fang

“…Finally, a multi-objective optimization model incorporating coupling characteristics and operational requirements is developed. Compared with conventional methods, the proposed strategy demonstrates enhanced adaptability and significantly improved low-voltage ride-through performance. …”
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Analysis of the Speed Adjusting Ability with Field Weakening of Rotor  Structure of Permanent Magnet Synchronous Motor for Electric Vehicle by WEN Jia-bin, GUO Han, JING Chao, LIU Jin-hui

“…This kind of motor needs to have big torque output in the lowspeed region, as well as widespeed adjusting range with field weakening in the highspeed constant power regionBy analyzing and comparing the influence of different rotor magnetic circuit structure on the main parameters of motor running characteristics, we conclude that：the combination of nonuniform air gap, Vshaped iron bridge segmented permanent magnet, and the change of adjacent magnetic pole spacing improve the noload air gap magnetic tight waveform, increase the motor constant power area of the widespeed adjusting range with field weakening, and satisfy the requirement of large torque output in low speed zoneIn this study, a builtin permanent magnet synchronous motor is designed to drive a 20kW electric vehicle, and the performance of the motor is evaluated by finite element method…”
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Design and finite element analysis of a high‐performance surface‐permanent magnet synchronous reluctance machine with optimised robustness towards demagnetisation by Hamidreza Ghorbani, Behrooz Majidi, Mohamed Benbouzid

“…All results are reported comparatively considering a conventional PMSyncRM, so that the proposed SPM‐SyncRM topology presents high torque‐power density, lower values of cogging torque, higher values of power factor and efficiency, better static and dynamic performance, and robustness towards demagnetisation.…”
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High-Precision Control of Control Moment Gyroscope Gimbal Servo Systems via a Proportional–Integral–Resonant Controller and Noise Reduction Extended Disturbance Observer by Zhihao Lu, Zhong Wu

“…The NREDO significantly enhances the measurement noise suppression performance compared with an EDO. Second, a resonant controller is introduced to suppress the high-frequency rotor dynamic imbalance torque. …”
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Online Efficiency Optimization of a Six-Phase Induction Generator Using Loss Model Control for Micro-Hydropower Systems by Marius Ouédraogo, Amine Yazidi, Franck Betin

“…Unlike conventional LMC strategies, this method explicitly incorporates switching losses into the loss model, along with stator and rotor copper losses and iron losses. …”
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