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501
Improved Sliding Mode Control of Wheel PMSM Under Bounded Disturbance Rate of Change Conditions
Published 2025-01-01“…For the current loop design, a control method based on the per-unit model is proposed to improve the robustness of the system’s model parameters and decoupling performance. …”
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502
Research on Adaptive Back-stepping Control of Harmonic Drive Based on the RBF Neural Network
Published 2023-08-01“…Based on the test data, the parameters of the model are identified by the least square method. Radial basis function (RBF) neural network is used to approximate the nonlinear friction and external uncertain disturbance torque of the system on-line, and an adaptive inversion controller based on RBF neural network is proposed. …”
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503
Locked Rotor Fault Analysis in Dual Rotor Wound Field Flux Switching Generator for Counter-Rotating Wind Turbine Application
Published 2025-05-01“…An integrated mathematical and electromagnetic modelling of the generator characteristics performance comprising torque quality, output power, efficiency and power factor are undertaken, based on the finite element method (FEM) under fault conditions. …”
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504
Vertical attitude and its control strategy for shield tunneling in soft soil
Published 2025-04-01“…This study proposes a method for calculating the loosened soil pressure applicable to shield tunneling in cohesive soil layers based on the modified ellipsoid theory as a solution to existing difficulties in attitude control of shield machines when traversing soft and weak strata such as loess and coastal soft soil. …”
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505
Dynamic Parameters Identification of Serial Robot Based on Dual Quaternion
Published 2025-07-01“…Furthermore, the proposed DQ (dual quaternion)-based method in this paper has the advantage of lower cost compared with the RBFNN (radial basis function neural network)-based method. …”
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506
Effects of individualized resistance training prescription with heart rate variability on muscle strength, muscle size and functional performance in older women
Published 2024-12-01“…IntroductionThis study aimed to investigate whether individualizing autonomic recovery periods between resistance training (RT) sessions (IND) using heart rate variability (HRV), measured by the root mean square of successive R-R interval differences (RMSSD), would lead to greater and more consistent improvements in muscle strength, muscle mass, and functional performance in older women compared to a fixed recovery protocol (FIX).MethodsTwenty-one older women (age 66.0 ± 5.0 years old) were randomized into two different protocols (IND: n = 11; FIX: n = 10) and completed 7 weeks of RT. …”
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507
An Improved Tuning of PID Controller for PV Battery-Powered Brushless DC Motor Speed Regulation Using Hybrid Horse Herd Particle Swarm Optimization
Published 2023-01-01“…The proposed HHHPSO-tuned PID controller for PV battery-powered BLDC motor is tested for various working conditions such as constant speed conditions, varying speed conditions, and varying load conditions and also compared with state-of-the-art method. The proposed method has quick rise time around 20-21 msec, quick settling time around 35-39 msec, zero steady-state error, and zero overshoot than state-of-the-art optimization method. …”
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508
Finite-element based-prediction of the cracking-torsional behavior of prestressed concrete beams with hollow cross-sections
Published 2025-03-01“…The cracking torque values (Tcr) were compared between the simulated and theoretically calculated ones. …”
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509
Optimal Design Considering AC Copper Loss of Traction Motor Applied HSFF Coil for Improving Electric Bus Fuel Economy
Published 2025-05-01“…The optimized motor achieved improvements in fuel economy by 0.20%, 0.86%, and 0.36%, respectively, compared to the initial design. Experimental validation through prototype fabrication confirmed the effectiveness of the proposed method. …”
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510
Motion Trajectory Error of Robotic Arm Based on Neural Network Algorithm
Published 2023-01-01“…Simulation results show that in robot arm 3, the expected motion trajectory is θ3 = 0.4cos(2πt), the initial condition θ(0) = [000]τ, the control parameter K = diag(40,40),40), the disturbance parameter τ’ = 20cos(πt), robot arm link parameters l1 = 0.62 m, l2 = 0.41 m, l3 = 0.34 m, m1 = 3.5, m2 = 2.5 kg, m3 = 2 kg, g = 9.82 m/s2, under t = 2s, the motion trajectory of the robotic arm is disturbed by the outside world, and the adaptive neural network is used to control the motion trajectory with a small tracking error, input torque ripple is small. Conclusion. The manipulator adopts the adaptive neural network control method, which can improve the control accuracy of the motion trajectory and weaken the jitter phenomenon of the manipulator motion.…”
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511
Driver Steering Intention Prediction for Human-Machine Shared Systems of Intelligent Vehicles Based on CNN-GRU Network
Published 2025-05-01“…Experimental results demonstrated that the proposed CNN-GRU model performs significantly better than baseline models. Compared with the GRU network, the CNN-GRU network reduced the RMSE, MAE, and MAPE of the driver’s input torque by 33.22%, 32.33%, and 35.86%, respectively. …”
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512
Utilizing Hip Abduction Strength to Body-Weight Ratios in Return to Sport Decision-Making After ACL Reconstruction
Published 2021-10-01“… # Study Design Cohort study # Methods Data were gathered from a single-surgeon database and included baseline demographics. …”
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513
An Improved Adaptive Sliding Mode Control Approach for Anti-Slip Regulation of Electric Vehicles Based on Optimal Slip Ratio
Published 2024-10-01“…The control strategy further refines torque management through an adaptive sliding mode control (ASMC) that integrates adaptive laws and a super-twisting sliding mode approach to track the optimal slip ratio. …”
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514
Model reference adaptive system and pseudo-sliding mode control with exponential reaching law for sensorless-speed control of PMSM.
Published 2025-01-01“…To assess the efficacy of the proposed sensorless hybrid control approach, uncertainties and disturbances were simulated, including PMSM parameters variation, load torque application, and speed level changes. The effectiveness of the suggested approach is compared to control strategies for PMSM, such as the classical ERL-SMC (Type 1) and the pseudo-sliding mode ERL-SMC (Type 2) schemes. …”
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515
Comparison of slot tolerance with manufacturing measurements of different stainless steel self-ligating brackets
Published 2024-12-01“…This study was designed to measure slot tolerance (dimensions) and convergence angles of different stainless steel self-ligating brackets and to compare between the chosen brands. Materials and methods: Eighty upper first premolar brackets of four different brands {Damon Q (Ormco corporation, Brea, California, USA), DTC (Medical apparatus Cor., Hangzhou, China), IOS (Pactive self-ligating bracket, IOS, Stafford, USA), Lotus Plus interactive bracket (Orthotechnology Inc., southern Ct, West Columbia, USA)} of stainless steel self-ligating brackets with claimed slot dimensions of 0.559 mm (0.022") in height, 0.711mm (0.028") in depth and with zero taper angle were used (twenty brackets of each brand). …”
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516
464 Loading of the medial knee ligaments and anterior cruciate ligament during clinical tests of anteromedial rotatory instability
Published 2025-04-01“…We aimed to characterize the in-situ forces of the sMCL, dMCL, POL, and ACL under loading conditions involved with AMRI. Methods/Study Population: We characterized the in situ forces of the sMCL, dMCL, POL, and ACL under 1) isolated external tibial rotation torque (ER), 2) isolated anterior tibial force (Ant), and 3) combined ER+Ant loading. …”
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517
Research on power loss’s principle and reduction optimization of auxiliary braking device—hydraulic retarder
Published 2025-08-01“…The maximum loss power is reduced by 65 %. When it is compared with 7.12 kW at low stiffness. So that, the experiments show that the method by applying large stiffness spring in working chamber can significantly suppress power loss. …”
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518
Effect of autoclaving process on trueness and qualitative marginal fit of intraoral scan body manufactured from two materials: An in vitro study.
Published 2025-01-01“…Forty SBs were divided into four groups (n = 10), fixed on the models according to the initial positioning, using the recommended torque, and scanned 10 times using an intraoral Sccaner (InEOS X5 scanner, Dentsply Sirona). …”
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519
Effects of whole-body vibration training as an adjunct to conventional rehabilitation exercise on pain, physical function and disability in knee osteoarthritis: A systematic review...
Published 2025-01-01“…The meta-analysis quantified these effects, showing that WBVT significantly (i) reduced knee pain (MD = -0.43, 95% CI [-0.70, -0.16], p = 0.002), with greater reductions observed from high-frequency WBVT, and (ii) increased isokinetic knee peak torque compared to rehabilitation exercise alone. …”
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520
The effect of transcutaneous electrical nerve stimulation on fatigue recovery in recreational rowers
Published 2025-04-01“…This study aimed to assess the effects of TENS on quadriceps recovery following a 2000-m rowing ergometer exercise. Methods Twenty-eight recreational rowers were randomly allocated in a TENS group and a sham-TENS group. …”
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