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1821
A MRAC Principle for a Single-Link Electrically Driven Robot with Parameter Uncertainties
Published 2017-01-01“…All the discussed controllers have been implemented in an experimental setup consisting in a rigid-link robot actuated with brushed DC motor. The comparison indicates that better results are obtained with the new MRAC scheme.…”
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1822
Movilidad residencial y anclajes en la Zona Metropolitana del Valle de México: división socioespacial en las colonias populares periféricas
Published 2022-01-01“…En la metrópoli de México, como en otras partes, la movilidad residencial intraurbana es un motor importante de la reconfiguración de la división socioespacial. …”
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1823
Isolated Perforation of Left Coronary Cusp after Blunt Chest Trauma
Published 2015-01-01“…A 22-year-old male presented after a motor vehicle accident with dyspnea. Transthoracic echocardiogram (TTE) and transesophageal echocardiogram (TEE) showed moderate to severe aortic regurgitation with prolapsing right coronary cusp. …”
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1824
Rancang Bangun Low-Budget Autonomous Quadcopter
Published 2021-10-01“…The flight controller regulates the rotational speed of the four motors, so that each propeller produces the lift required for the quadcopter to fly stable. …”
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1825
Comparison of Estimation Techniques for Vibro-Acoustic Transfer Path Analysis
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1826
Estudio longitudinal de la ansiedad escolar en niños chilenos de educación primaria
Published 2022-06-01“…El instrumento utilizado fue el Inventario de Ansiedad escolar para la educación primaria (IAEB), que mide la respuesta de ansiedad de tipo cognitiva, psicofisiológica y motora. Se realizaron análisis de varianza de medidas repetidas para determinar la estabilidad temporal. …”
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1827
Validación de la escala barrat de impulsividad (bis-11) en población bogotana
Published 2017-01-01“…Los resultados arrojaron una fiabilidad de la escala total de a 0,7 y para las sub escalas motora a 0,6, atencional a 0,5 y no planeada a 0,4; el análisis factorial exploratorio identificó 2 factores que explican el 29,77% de la varianza total. …”
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1828
Active Vibration Suppression of a 3-DOF Flexible Parallel Manipulator Using Efficient Modal Control
Published 2014-01-01“…This paper addresses the dynamic modeling and efficient modal control of a planar parallel manipulator (PPM) with three flexible linkages actuated by linear ultrasonic motors (LUSM). To achieve active vibration control, multiple lead zirconate titanate (PZT) transducers are mounted on the flexible links as vibration sensors and actuators. …”
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1829
Modeling and Dynamic Performance Analysis of Hydraulic Top Drive Main Transmission System with Long Hydraulic Pipelines
Published 2022-01-01“…In that way, long pipelines are needed to connect the hydraulic pumps and hydraulic motors. Thus, the effects on the performance of hydraulic top drive should not be neglected. …”
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1830
Maximizing Output Power of a Solar Panel via Combination of Sun Tracking and Maximum Power Point Tracking by Fuzzy Controllers
Published 2010-01-01“…The sun tracking is performed by changing the solar panel orientation in horizontal and vertical directions by two DC motors properly designed. A DC-DC converter is employed to track the solar panel maximum power point. …”
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1831
A Survey of Vehicle System and Energy Models
Published 2025-01-01“…As the foundation to calculate the energy consumption, powertrain component models of three main vehicle types (internal combustion engine (ICE) vehicles, electric vehicles (EVs), and hybrid vehicles) are reviewed with their key components, including internal combustion engines, electric motors, and batteries. Three types of vehicle energy consumption models are explored according to their interpretability: white-box, black-box, and grey-box models. …”
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1832
Conocimiento y práctica de estimulación temprana para el desarrollo psicomotor en madres de niños menores de 1 año
Published 2022-05-01“…Resultados: El 80 % de madres presentó un nivel de conocimiento alto de estimulación temprana; en el área motora, el 50,6 %, un nivel de conocimiento alto; en el área del lenguaje, el 48,2 %, un nivel medio; en el área de coordinación, el 43,6 %, un nivel medio; y, en el área social, el 53 %, un nivel alto. …”
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1833
Actores y ambientalismos: Continuidades y cambios en los conflictos socio-ambientales en el Perú
Published 2009-10-01“…En este sentido los conflictos pueden verse no como problemas a resolver en el corto plazo sino como motores que empujan procesos de transformación institucional. …”
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1834
A review of power system oscillation analysis methods from a port-based perspective
Published 2025-01-01“…Second, the torque coefficient port commonly used for grid-connected synchronous motors is studied, with an emphasis on explaining its physical significance and highlighting its superiority in engineering applications. …”
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1835
Recent advances in journal bearings: wear fault diagnostics, condition monitoring and fault diagnosis methodologies
Published 2025-01-01“…A significant finding reveals a shift back to the utilization of journal bearings in various rotating machinery such as compressors, motors, turbines, and pumps. Various methodologies employed in these recent studies include vibration analysis, machine learning, deep learning, and both numerical and experimental simulations. …”
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1836
Associations of Voice Metrics with Postural Function in Parkinson’s Disease
Published 2024-12-01“…Background: This study aimed to explore the potential associations between voice metrics of patients with PD and their motor symptoms. Methods: Motor and vocal data including the Unified Parkinson’s Disease Rating Scale part III (UPDRS-III), Harmonic–Noise Ratio (HNR), jitter, shimmer, and smoothed cepstral peak prominence (CPPS) were analyzed through exploratory correlations followed by univariate linear regression analyses. …”
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1837
Optineurin overexpression ameliorates neurodegeneration through regulating neuroinflammation and mitochondrial quality in a murine model of amyotrophic lateral sclerosis
Published 2025-02-01“…IntroductionAmyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by the loss of motor neurons (MNs). Genetic mutations in Optineurin (OPTN) and Superoxide Dismutase 1 (SOD1) have been identified as causal factors for ALS. …”
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1838
A single-cell transcriptome analysis reveals astrocyte heterogeneity and identifies CHI3L1 as a diagnostic biomarker in Parkinson's disease
Published 2025-02-01“…Background: Parkinson's disease (PD) is the second most common neurodegenerative disease, characterized by motor and non-motor symptoms. It has been reported that astrocytes play a critical role in the pathogenesis and progression of PD. …”
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1839
Efficacy and Safety of Pramipexole Sustained Release versus Immediate Release Formulation for Nocturnal Symptoms in Chinese Patients with Advanced Parkinson’s Disease: A Pilot Stud...
Published 2021-01-01“…Other endpoints included motor complications (MDS-UPDRS part IV) score. Adverse events were evaluated for each group. …”
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1840
The importance of specific exercise therapy in pediatric oncology
Published 2025-01-01“…More and more studies are showing that children have persisting motor and sensory dysfunctions, such as loss of sensation, numbness, pain, absent reflexes as well as loss of balance control. …”
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