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DESIGN AND FINITE ELEMENT ANALYSIS OF MULTI-MODULE ZI WORM HELICAL GEAR TRANSMISSION AND ITS STRESS PREDICTION
Published 2024-04-01“…The sum of squared errors (SSE) minimum model is compared with grey predictionto verify the accuracy of prediction. …”
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622
Tactile Force Sensing for Admittance Control on a Quadruped Robot
Published 2025-05-01“…Most quadruped robot controllers estimate GRFs indirectly using joint torques and a kinematic model, which depend on assumptions and are highly sensitive to modeling errors. …”
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623
Distinct Gut Microbiota Profiles in Normal Weight Obesity and Their Association With Cardiometabolic Diseases: Results From Two Independent Cohort Studies
Published 2025-02-01“…The 16S rRNA gene sequencing method was used to analyse gut microbiota data. Results The study comprised 3620 (64.0% female, median age 58 years) and 1847 (64.3% female, median age 56 years) participants from the WELL‐China and Lanxi cohorts. …”
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624
Robust Nonlinear Model Predictive Control for the Trajectory Tracking of Skid-Steer Mobile Manipulators with Wheel–Ground Interactions
Published 2024-12-01“…Simulation and field experiments conducted on an assembled Pioneer 3P-AT base and Katana 6M180 robotic arm under terrain constraints demonstrate the effectiveness of the proposed method. Compared to non-robust controllers, the R-NMPC approach significantly reduced trajectory-tracking errors by 79.5% for mobile bases and 42.3% for robot arms. …”
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625
The impact of adding nanoparticles to biodiesel fuel prepared from waste sunflower oil on the performance and emission of diesel engines
Published 2025-06-01“…Thus, this work investigated the use of the trans-esterification method to convert waste sunflower oil to biodiesel (BD) and the impact of mixing it with TiO2 and CuO nanoparticles on the performance and emissions of a four-stroke engine at three engine torques (2, 4, and 6 N·m) compared with petroleum diesel (PD). …”
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626
Dynamic parameter identification and control of legged robots’ single-leg model considering joint friction characteristics
Published 2025-06-01“…Based on the identification results, a feedforward-feedback control strategy was carried out.ResultsTests on a heavy-duty quadruped robot indicate that the prediction error of joint torques utilizing the proposed method is reduced by about 40%, and the trajectory tracking accuracy is improved by more than 60%, comparing to those obtained by the existing identification and control method based on the linear friction model.…”
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627
A one-year follow-up case series on gait analysis and patient-reported outcomes for persons with unilateral and bilateral transfemoral amputations undergoing direct skeletal fixati...
Published 2024-11-01“…However, understanding of its impact on musculoskeletal function remains limited. Methods This study compares pre- and 1-year post-osseointegration surgery outcomes, focusing on patient-reported measures and musculoskeletal system function during level-ground walking. …”
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628
Analyzing gait data measured by wearable cyborg hybrid assistive limb during assisted walking: gait pattern clustering
Published 2024-12-01“…This study aimed to cluster gait patterns into subgroups based on the gait data that the HAL automatically collected during treatment and to investigate their characteristics.MethodsGait data acquired by HAL, including ground reaction forces, joint angles, trunk angles, and HAL joint torques, were analyzed in individuals with progressive neuromuscular diseases. …”
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629
Dynamic Parameter Identification And Control of Legged Robots’ Legs Considering Joint Friction Characteristics
Published 2024-01-01“…Experiments on a heavy-duty quadruped robot indicate that the prediction error of joint torques utilizing the proposed method is reduced by about 40%, and the trajectory tracking accuracy is improved by more than 60%, comparing to those obtained by the existing identification and control method based on linear friction model.…”
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630
Tightening and anti-loosening performance of spring washer connecting bolts
Published 2024-12-01“…., GSW), considering three torques and comparing them with galvanized flat washers (i.e., GFW). …”
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631
Design and Analysis of a Novel Ocean Current Two-Coupled Crossflow Turbine Energy Converter
Published 2025-04-01“…The accuracy of the empirical formula is verified by comparing the theoretical results with those obtained using the CFD method. …”
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