Results 61 to 70 of about 797,185 (286)

Frequency Criterion for the Existence of Sliding Processes in Control Systems with an Arbitrary Variable Structure

open access: yesMathematics
The article proposes a criterion for the existence of sliding processes according to the frequency characteristics of the control device and the control object.
Vladimir Kodkin   +3 more
doaj   +1 more source

Life‐Threatening Bradycardia in Anti‐NMDA‐Receptor Encephalitis and a Novel Use for Permanent Pacing

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Pediatric anti‐NMDA receptor encephalitis (pNMDARE) is an autoantibody‐mediated disorder that can cause severe autonomic dysfunction, including symptomatic bradycardia and asystole. Dysautonomia can last for years, making it very challenging to manage.
Sarah Tucker   +9 more
wiley   +1 more source

In-wheel motor design for electric vehicles [PDF]

open access: yes, 2006
In this work an in-wheel electric motor prototype has been designed for experimental purposes. In-Wheel Motor (Hub motor) can be used in electric cars with 4 wheel independent drive configuration.
Cakir, Kazim   +3 more
core  

Construction Method of a Digital-Twin Simulation System for SCARA Robots Based on Modular Communication

open access: yesSensors
Due to the high cost of robots, the algorithm testing cost for physical robots is high, and the construction of motion control programs is complex, with low operation fault tolerance.
Zihan Zhang   +3 more
doaj   +1 more source

Spinal Cord Infarction Versus Idiopathic Transverse Myelitis: Clinical, Radiological, and Functional Insights From a Retrospective Cohort Study

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Spinal cord infarction (SCI) is a rare but devastating myelopathy, characterized by a high disability rate and an unfavorable prognosis. It has often been underdiagnosed and misdiagnosed as idiopathic transverse myelitis (ITM). This study aimed to describe the clinical features, radiological biomarkers, treatments, and functional ...
Zeqiang Ji   +13 more
wiley   +1 more source

Optimal electric-drive system for vehicles [PDF]

open access: yes, 1970
Pulse-width-modulated controller, for vehicle electrically driven by direct current from storage battery and requiring highest possible efficiency in battery use, varies electrical power through silicon controlled rectifiers for permanent magnet dc ...
Sahinkaya, Y. E.
core   +1 more source

Clustering Algorithm Reveals Dopamine‐Motor Mismatch in Cognitively Preserved Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore the relationship between dopaminergic denervation and motor impairment in two de novo Parkinson's disease (PD) cohorts. Methods n = 249 PD patients from Parkinson's Progression Markers Initiative (PPMI) and n = 84 from an external clinical cohort.
Rachele Malito   +14 more
wiley   +1 more source

ПЕРЕТВОРЮВАЧ АСИНХРОННОГО ЕЛЕКТРОПРИВОДА ТА ЕЛЕКТРОПРИВОДА ПОСТІЙНОГО СТРУМУ

open access: yesПраці Інституту електродинаміки Національної академії наук України
A converter is considered that canprovide control of both anasynchronous electric drive and a DC electric drive. In an asynchronous electric drive control of a three-phase frequency converter by reactive power; in a DC electric drive the armature voltage
Р.А. Чепкунов
doaj   +1 more source

Feasibility and Tolerability of Performing Portable MRI for Neurological Disorders in an Outpatient Neurology Clinic: A Prospective Cohort

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Accessing brain magnetic resonance imaging (MRI) can be challenging, especially for underserved patients, which may lead to disparities in neurological diagnosis. Method This mixed‐methods study enrolled adults with one of four neurological disorders: mild cognitive impairment or dementia of the Alzheimer type, multiple sclerosis ...
Maya L. Mastick   +19 more
wiley   +1 more source

Drag-compensated, precision-powered hinge system [PDF]

open access: yes, 1985
The design of a high precision powered hinge is complicated by the unavoidable presence of parasitic drag torque resulting mainly from friction and transfer of power, signals, and fluids across the hinge.
Jacquemin, G. G., Rusk, S. J.
core   +1 more source

Home - About - Disclaimer - Privacy