A Fuzzy-Based Simulation System for Controlling Sensor Sleep Time through Lifetime of Sensors in WSNs

2013 ◽  
Author(s):  
Qi Wang ◽  
Shinji Sakamoto ◽  
Leonard Barolli ◽  
Elis Kulla ◽  
Gjergji Mino ◽  
...  
Keyword(s):  
Sleep Time ◽  
Simulation System

Evaluation of a computerized cardiovascular simulation system using patient-specific data

2013 ◽  
Vol 61 (S 01) ◽  
Author(s):  
M Kaur ◽  
N Sprunk ◽  
U Schreiber ◽  
R Lange ◽  
J Weipert ◽  
...  
Keyword(s):  
Simulation System ◽  
Patient Specific ◽  
Specific Data ◽  
Cardiovascular Simulation

Simulated processes using the simulation system of the underground mine logistics system

2019 ◽  
Vol 7 (24) ◽  
pp. 15-19
Author(s):  
O.Yu. Kozlov ◽  
◽  
V.V. Kozlov ◽  
V.V. Agafonov ◽  
◽  
...  
Keyword(s):  
Simulation System ◽  
Underground Mine ◽  
Logistics System

Withdrawal: Initial Validation of a Simulation System for Studying Interoperability in Future Air Traffic Management Systems

2020 ◽  
Author(s):  
Robert D. Windhorst ◽  
Shannon Zelinski ◽  
Todd A. Lauderdale ◽  
Alexander Sadovsky ◽  
Yung-Cheng Chu ◽  
...  
Keyword(s):  
Traffic Management ◽  
Air Traffic Management ◽  
Simulation System ◽  
Air Traffic ◽  
Management Systems ◽  
Initial Validation

LAB SIMULATION SYSTEM FOR CRITICAL SITUATIONS OBSERVED WITH THERMOVISION EQUIPMENT

2019 ◽  
Vol 18 (5) ◽  
pp. 1067-1076
Author(s):  
Andreea Bobei Sterian ◽  
Catalin Spulber ◽  
Octavia Borcan ◽  
Codrut Sarafoleanu ◽  
Paul Sterian
Keyword(s):  
Simulation System ◽  
Critical Situations

The interrelation of neurophysiological, psychological, and biochemical indicators in patients with occupational chronic mercury intoxication suffering from insomnia

2020 ◽  
Vol 60 (12) ◽  
pp. 904-910
Author(s):  
Elena V. Katamanova ◽  
Elena N. Korchuganova ◽  
Natalia V. Slivnitsyna ◽  
Irina V. Kudaeva ◽  
Oleg L. Lakhman
Keyword(s):  
Cerebral Cortex ◽  
Work Experience ◽  
Sleep Time ◽  
Serotonin Level ◽  
Complex Activity ◽  
Equivalent Dipole ◽  
Mercury Intoxication ◽  
Psychological Examination ◽  
Reticular System ◽  
Chronic Mercury Intoxication

Introduction. Despite the apparent connection of the existing neurological disorders and changes in the psycho-emotional sphere with sleep disorders in patients with chronic mercury intoxication (CRI), these relationships remain the least studied in the clinic neurointoxications. The study aimed to establish a connection between neurophysiological, biochemical, and psychopathological indicators in patients with occupational chronic mercury intoxication and insomnia. Materials and methods. Thirty-six patients took part in the examination in the remote period of CRI. The average age of patients in this group was 50.7±1.05 years, with an average work experience of 14.7±1.05. The authors carried out a psychological examination to determine the levels of depression, anxiety, asthenic state, computed electroencephalography (EEG), cognitive evoked potentials (CEP), polysomnography, the level of neurotransmitters. Results. The study showed that asthenization, when exposed to mercury, occurs due to a decrease in the limbic-hypothalamo-reticular complex activity (the presence of equivalent dipole sources of pathological activity in the area of diencephalic formations (thalamus, hypothalamus) in 56.2±5.6% of cases. The study showed a decrease in activity cerebral cortex, confirmed by weakening the coherent connections of the α-range in the occipital, central and frontal leads according to the data of coherent EEG analysis and changes on the part of the CEP. There was a direct correlation between the level of total sleep time and the serotonin level (rs=0.45), an inverse relationship between the level of depression and histamine level (rs=-0.56). Conclusion. The studies carried out to make it possible to establish the mechanisms of insomnia disorders in chronic mercury intoxication, which cause a weakening of the tone of the cerebral cortex and changes in neurotransmitter metabolism, as well as disorders of the reticular system with limbic structures. The study showed a close direct relationship between neurophysiological, psychological, and biochemical parameters in implementing insomnia in patients with chronic mercury intoxication.

Mental time travel? A neurocognitive model of event simulation

2020 ◽  
Author(s):  
Donna Rose Addis
Keyword(s):  
Predictive Coding ◽  
Time Travel ◽  
Simulation System ◽  
Mental Time Travel ◽  
Event Representation ◽  
Conceptual Information ◽  
Fine Grained ◽  
The Past ◽  
The Future ◽  
General Capacity

Mental time travel (MTT) is defined as projecting the self into the past and the future. Despite growing evidence of the similarities of remembering past and imagining future events, dominant theories conceive of these as distinct capacities. I propose that memory and imagination are fundamentally the same process – constructive episodic simulation – and demonstrate that the ‘simulation system’ meets the three criteria of a neurocognitive system. Irrespective of whether one is remembering or imagining, the simulation system: (1) acts on the same information, drawing on elements of experience ranging from fine-grained perceptual details to coarser-grained conceptual information and schemas about the world; (2) is governed by the same rules of operation, including associative processes that facilitate construction of a schematic scaffold, the event representation itself, and the dynamic interplay between the two (cf. predictive coding); and (3) is subserved by the same brain system. I also propose that by forming associations between schemas, the simulation system constructs multi-dimensional cognitive spaces, within which any given simulation is mapped by the hippocampus. Finally, I suggest that simulation is a general capacity that underpins other domains of cognition, such as the perception of ongoing experience. This proposal has some important implications for the construct of ‘MTT’, suggesting that ‘time’ and ‘travel’ may not be defining, or even essential, features. Rather, it is the ‘mental’ rendering of experience that is the most fundamental function of this simulation system, enabling humans to re-experience the past, pre-experience the future, and also comprehend the complexities of the present.

A ROOM ACOUSTIC SIMULATION SYSTEM CONSIDERED WAVE MOTION CHARACTERISTIC

1996 ◽  
Vol 2 (2) ◽  
pp. 121-126 ◽  
Author(s):  
Masayoshi TSUBOI ◽  
Mitstoshi WATANABE ◽  
Shigeru HIRANO
Keyword(s):  
Wave Motion ◽  
Simulation System ◽  
Acoustic Simulation ◽  
Motion Characteristic
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