Results 61 to 70 of about 5,130,677 (338)

Shear-stress controlled dynamics of nematic complex fluids

, 2010
Based on a mesoscopic theory we investigate the non-equilibrium dynamics of a sheared nematic liquid, with the control parameter being the shear stress $\sigma_{\mathrm{xy}}$ (rather than the usual shear rate, $\dot\gamma$). To this end we supplement the
M. Doi, M. Doi, P. G. de Gennes, R. G. Larson, S. Hess, S. Hess, S. Hess, S. Hess, S. Hess, Sabine H. L. Klapp, Siegfried Hess   +10 more
core   +1 more source

A rolling-horizon quadratic-programming approach to the signal control problem in large-scale congested urban road networks [PDF]

, 2010
The paper investigates the efficiency of a recently developed signal control methodology, which offers a computationally feasible technique for real-time network-wide signal control in large-scale urban traffic networks and is applicable also under ...
A. Kouvelas, Aboudolas, Abu-Lebdeh, Cremer, Daganzo, De Schutter, Diakaki, Diakaki, Dinopoulou, Dreyfus, E. Kosmatopoulos, Gartner, Gartner, Geroliminis, Godfrey, Hunt, K. Aboudolas, Kosmatopoulos, Lo, Lo, M. Papageorgiou, Mirchandani, Papageorgiou, Papageorgiou, Papageorgiou, Singh   +25 more
core   +1 more source

Predicting Chronicity in Children and Adolescents With Newly Diagnosed Immune Thrombocytopenia at the Timepoint of Diagnosis Using Machine Learning‐Based Approaches

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Objectives To identify predictors of chronic ITP (cITP) and to develop a model based on several machine learning (ML) methods to estimate the individual risk of chronicity at the timepoint of diagnosis. Methods We analyzed a longitudinal cohort of 944 children enrolled in the Intercontinental Cooperative immune thrombocytopenia (ITP) Study ...
Severin Kasser, Alice Bizeul, Meera Chitlur, Hugo Donato, Jelena Roganovic, Julia E. Vogt, Thomas Kühne   +6 more
wiley   +1 more source

Adaptive Sliding Mode Fixed-Time Tracking Control Based on Fixed-Time Sliding Mode Disturbance Observer with Dead-Zone Input

Complexity, 2019
Aiming at the problem of fixed-time trajectory tracking control for high-order dynamic systems with external time-varying disturbance and input dead-zone, an adaptive fixed-time sliding mode control algorithm is proposed by employing a fixed-time sliding
Hongbin Wang, Bo Su, Yueling Wang, Jing Gao   +3 more
doaj   +1 more source

Pulse-rate averaging circuit [PDF]

, 1970
Averaging circuit provides a secondary control signal during inoperative periods of an intermittent primary control system. It can also provide an average pulse rate over a fixed time interval, such as in a digital frequency ...
Jessee, R. D.
core   +1 more source

A Systematic Review of Evidence on the Clinical Effectiveness of Surveillance Imaging in Children With Medulloblastoma and Ependymoma

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Surveillance imaging aims to detect tumour relapse before symptoms develop, but it's unclear whether earlier detection of relapse leads to better outcomes in children and young people (CYP) with medulloblastoma and ependymoma. This systematic review aims to identify relevant literature to determine the efficacy of surveillance magnetic ...
Lucy Shepherd, Melissa Taylor, Helen Fulbright, Bob Phillips   +3 more
wiley   +1 more source

Prognostic Impact of Treatment Modalities, Including Targeted Compartmental Radio‐Immunotherapy, in a Cohort of Neuroblastoma Patients With CNS Metastases at Relapse

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Neuroblastoma (NB) with central nervous system (CNS) metastases is rare at diagnosis, but occurs more often during relapse/progression. Patients with CNS metastases face a dismal prognosis, with no standardized curative treatment available.
Vicente Santa‐Maria Lopez, Anna Felip‐Badia, Marina Caballero‐Bellon, Nazaret Sanchez‐Sierra, Alicia Castañeda, Moira Garraus, Maite Gorostegui, Margarida Simão‐Rafael, Juan Pablo Muñoz, Marta Perez‐Somarriba, Salvador Mañe, Mariana Cecilia Planells, Sara Perez‐Jaume, Jaume Mora   +13 more
wiley   +1 more source

Fixed-time trajectory tracking control for underactuated surface vessels

Zhongguo Jianchuan Yanjiu
ObjectivesThis study proposes a fixed-time trajectory tracking control strategy to address the challenges of unmodeled dynamics and external disturbances in underactuated unmanned surface vessels (USVs).MethodsFirst, the tracking error system is divided ...
Weikai WANG, Hang SU, Enhua ZHANG
doaj   +1 more source

Leader-follower fixed-time formation control of unmanned surface vehicles

Zhongguo Jianchuan Yanjiu, 2020
Objectives To solve the formation control problem of leader-follower unmanned surface vehicles (USV) under complex environmental disturbances, a fixed-time control (FTC) approach is proposed in this paper.Methods Fixed-time tracking control based on the ...
LI He, WANG Ning, XUE Haoyuan
doaj   +1 more source

Memory difference control of unknown unstable fixed points: Drifting parameter conditions and delayed measurement

, 2006
Difference control schemes for controlling unstable fixed points become important if the exact position of the fixed point is unavailable or moving due to drifting parameters.
A. W. Hübler, Alexander Piel, E. Ott, H. G. Schuster, H. G. Schuster, H. G. Schuster, Heinz Georg Schuster, Jens Christian Claussen, K. Pyragas, L. O. Chua, L. O. Chua, S. Bielawski, T. Matsumoto, T. Matsumoto, Thorsten Mausbach, W. Just   +15 more
core   +1 more source