Results 81 to 90 of about 12,505,419 (302)

Analysis of unconstrained nonlinear MPC schemes with time varying control horizon [PDF]

, 2010
For discrete time nonlinear systems satisfying an exponential or finite time controllability assumption, we present an analytical formula for a suboptimality estimate for model predictive control schemes without stabilizing terminal constraints. Based on
Grüne, Lars, Pannek, Jürgen, Seehafer, Martin, Worthmann, Karl   +3 more
core   +3 more sources

Impact Time Measurement Experiment

Journal of Research in Science and Engineering
A simple experiment with spherical balls of different types and sizes and an ordinary digital weighing machine has been performed with a view to find out an approximate time of impact in each case of collision of each ball with horizontal rigid platform of the weighing machine and has been briefly described along with a basic theoretical discussion.
openaire   +2 more sources

Prevalence and Trajectory of Household Material Hardship Among Children With Advanced Cancer

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background/Objectives Families of children with advanced cancer living in poverty experience inferior outcomes including poor parent mental health and worse child quality of life. Household material hardship (HMH: food, housing, transportation, and/or utility insecurity) is a modifiable poverty exposure—and potential intervention target—that ...
Sarah Wright, Morgan A. Paul, Selena Murcia Mendez, Emily Jones, Lucille Lokko, Chelsea Heneghan, Nicholas Purol, Morgan Arnold, Rahela Aziz‐Bose, Colleen A. Kelly, Sandi L. Pruitt, Joanne Wolfe, Kira Bona, Puja J. Umaretiya   +13 more
wiley   +1 more source

Marine heatwaves impact organism developmental time

Communications Earth & Environment
Understanding the effect of marine heatwaves on organisms is central for improving climate change predictions. Even moderate heatwave events are likely to drive performance of organisms especially if they are long relative to the life cycle duration.
Luis Giménez, Gabriela Torres
doaj   +1 more source

Assessing the scientific relevance of a single publication over time

South African Journal of Science, 2013
Quantitatively assessing the scientific relevance of a research paper is challenging for two reasons. Firstly, scientific relevance may change over time, and secondly, it is unclear how to evaluate a recently published paper.
Philipp A. Bloching, Harald Heinzl
doaj   +1 more source

The demise of constant price impact functions and single-time step models of speculation [PDF]

, 2006
Constant and symmetric price impact functions, most commonly used in agent-based market modelling, are shown to give rise to paradoxical and inconsistent outcomes in the simplest case of arbitrage exploitation when open-hold-close actions are considered.
Alfarano, Andersen, Bouchaud, Bouchaud, Bouchaud, Challet, Challet, Challet, Challet, Cont, Damien Challet, Farmer, Giardina, Hommes, Lillo, Lux   +15 more
core   +2 more sources

Aging Impacts Basic Auditory and Timing Processes

European Journal of Neuroscience
ABSTRACT Deterioration in the peripheral and central auditory systems is common in older adults and often leads to hearing and speech comprehension difficulties. Even when hearing remains intact, electrophysiological data of older adults frequently exhibit altered neural responses along the auditory pathway, reflected in variability ...
Antonio Criscuolo, Michael Schwartze, Leonardo Bonetti, Sonja A. Kotz   +3 more
openaire   +5 more sources

Financial Burden Associated With Hospitalisation Among Families of Childhood Brain Tumours in Australia

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Families of children with cancer experience significant financial strain, even with universal healthcare. Indirect costs, such as productivity losses and non‐medical expenses, are rarely included in economic evaluations, and little is known about how effectively financial aid programmes alleviate this burden. Childhood brain tumours
Megumi Lim, Natalie Bradford, David Brain, Sameera Senanayake, Sanjeewa Kularatna, Kate Young, Christine Cashion, Tim Hassall, Susanna Cramb   +8 more
wiley   +1 more source

Impacts of Satellite Orbit and Clock on Real-Time GPS Point and Relative Positioning

Sensors, 2017
Satellite orbit and clock corrections are always treated as known quantities in GPS positioning models. Therefore, any error in the satellite orbit and clock products will probably cause significant consequences for GPS positioning, especially for real ...
Junbo Shi, Gaojing Wang, Xianquan Han, Jiming Guo   +3 more
doaj   +1 more source

Loran-C expansion: Impact on precise time/time interval [PDF]

On 16 May 1974, it was announced that Loran-C was chosen as the navigation system to serve the U. S. Coastal Confluence Zone. At the present time, reliable CONUS Loran-C groundwave timing coverage extends westward only about as far as Boulder, CO.
Roeber, J. F., Jr.
core   +1 more source