Results 41 to 50 of about 3,327,498 (302)

Robust LQR Design Method for the Aero-Engine Integral Constant Pressure Drop Control Valve with High Precision

open access: yesAerospace, 2023
The closed-loop constant pressure drop control valve is widely used in aero-engine fuel servo metering systems. However, the available constant pressure drop control valve cannot realize servo tracking without static error and, often, a high proportional
Wenshuai Zhao   +4 more
doaj   +1 more source

Pengendalian konvergensi eksponensial untuk omnidirectional mobile robot dengan empat roda

open access: yesJurnal Eltek, 2020
Tujuan mendasar dari kontrol gerak mobile robot adalah untuk mengarahkan robot ke posisi yang diberikan secara acak pada ruang 2D. Mobile robot dengan roda omni memiliki sifat holonomic di mana memiliki keunggulan kelincahan dan permasalahan pengendalian
Muhammad Jodi Pamenang   +2 more
doaj   +1 more source

Visual feedback alters force control and functional activity in the visuomotor network after stroke. [PDF]

open access: yes, 2018
Modulating visual feedback may be a viable option to improve motor function after stroke, but the neurophysiological basis for this improvement is not clear.
Archer, Derek B   +5 more
core   +2 more sources

Hospitalization Through Families’ Eyes: Comparing Inpatient Care Quality for Children With Sickle Cell Disease and Cystic Fibrosis in Canada

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Sickle cell disease (SCD) is a chronic, inherited hemoglobinopathy that requires frequent hospitalization for disease‐related complications. Canadian data on inpatient care is limited. This study compared caregiver‐reported hospital experiences of children with SCD to those with cystic fibrosis (CF), a chronic, autosomal recessive ...
Hailey M. Zwicker   +11 more
wiley   +1 more source

Design of dust sampler based on closed-loop flow control

open access: yesGong-kuang zidonghua, 2015
In view of problem of big sampling error of dust sampler based on open-loop control, a dust sampler based on closed-loop flow control was designed. The sampler uses micro gas flow sensor to collect flow, adopts incremental PID control algorithm with die ...
WU Fuxiang
doaj   +1 more source

Automatic generation control of multigeneration power system

open access: yes, 2014
Load frequency Control (LFC) is used for many years as part of Automatic Generation Control (AGC) in power system around the world. In a mixed power system, it is usual to find an area regulated by hydro generation interconnected to another area ...
Aziz, Asma   +2 more
core   +1 more source

Heterogeneity in the Global Practice of Central Nervous System Staging in Pediatric Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) involvement in childhood acute lymphoblastic leukemia (ALL) is assessed by cell counting and cytomorphology from cerebrospinal fluid (CSF) and is used for treatment stratification worldwide. The ratio of “CNS2” patients in clinical trials ranges from 3% to 40%, with unclear prognostic significance ...
Laura Almási   +14 more
wiley   +1 more source

Research on Tracking Control of Unmanned Mine Trucks Based on Adaptive Preview

open access: yesKongzhi Yu Xinxi Jishu, 2022
In the view that lateral tracking accuracy of mine trucks is not high under the condition of complex path and muddy road, in order to improve the adaptability of the control algorithm to the complex driving environment in the mining area, an adaptive ...
HUANG Yaoran, LIU Zhicong, KANG Yuanrong
doaj   +3 more sources

Therapeutic Apheresis for Intravenous Methylprednisolone‐Refractory Neuromyelitis Optica Spectrum Disorder: Clinical and Radiological Outcomes in a Single‐Center Case Series

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Neuromyelitis optica spectrum disorder (NMOSD) is a relapsing autoimmune disease of the central nervous system. High‐dose intravenous methylprednisolone (IVMP) is the standard first‐line therapy for acute attacks, although some patients remain refractory.
Wataru Horiguchi   +5 more
wiley   +1 more source

Time-division SQUID multiplexers with reduced sensitivity to external magnetic fields

open access: yes, 2010
Time-division SQUID multiplexers are used in many applications that require exquisite control of systematic error. One potential source of systematic error is the pickup of external magnetic fields in the multiplexer. We present measurements of the field
Cho, H. M.   +6 more
core   +1 more source

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