AIMC Topic: Computer Simulation

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Characterization of running with compliant curved legs.

Bioinspiration & biomimetics Jul 7, 2015
Running with compliant curved legs involves the progression of the center of pressure, the changes of both the leg's stiffness and effective rest length, and the shift of the location of the maximum stress point along the leg. These phenomena are pro...
Equipment Failure Analysis Leg Elastic Modulus Running Biomimetics Stress, Mechanical Computer Simulation Animals Robotics Gait Models, Biological Physical Exertion Equipment Design Humans
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Adaptive neural network control of unknown nonlinear affine systems with input deadzone and output constraint.

ISA transactions Jul 2, 2015
In this paper, we aim to solve the control problem of nonlinear affine systems, under the condition of the input deadzone and output constraint with the external unknown disturbance. To eliminate the effects of the input deadzone, a Radial Basis Func...
Neural Networks, Computer Nonlinear Dynamics Algorithms Computer Simulation Feedback
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High-order tracking differentiator based adaptive neural control of a flexible air-breathing hypersonic vehicle subject to actuators constraints.

ISA transactions Jul 2, 2015
In this paper, an adaptive neural controller is exploited for a constrained flexible air-breathing hypersonic vehicle (FAHV) based on high-order tracking differentiator (HTD). By utilizing functional decomposition methodology, the dynamic model is re...
Neural Networks, Computer Machine Learning Algorithms Spacecraft Computer Simulation Air Movements Feedback Models, Theoretical
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Analysis of short-term heart rate and diastolic period variability using a refined fuzzy entropy method.

Biomedical engineering online Jul 1, 2015
BACKGROUND: Heart rate variability (HRV) has been widely used in the non-invasive evaluation of cardiovascular function. Recent studies have also attached great importance to the cardiac diastolic period variability (DPV) examination. Short-term vari...
Heart Rate Nonlinear Dynamics Signal-To-Noise Ratio Statistics, Nonparametric Photoplethysmography Electrocardiography Fuzzy Logic Algorithms Diastole Computer Simulation Models, Cardiovascular Female Humans Coronary Stenosis Male Stochastic Processes Periodicity Normal Distribution Aged Middle Aged Entropy Adult
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Interpreting support vector machine models for multivariate group wise analysis in neuroimaging.

Medical image analysis Jun 25, 2015
Machine learning based classification algorithms like support vector machines (SVMs) have shown great promise for turning a high dimensional neuroimaging data into clinically useful decision criteria. However, tracing imaging based patterns that cont...
Magnetic Resonance Imaging Models, Statistical Pattern Recognition, Automated Reproducibility of Results Multivariate Analysis Humans Neuroimaging Sensitivity and Specificity Brain Image Enhancement Support Vector Machine Computer Simulation
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Associative memory realized by a reconfigurable memristive Hopfield neural network.

Nature communications Jun 25, 2015
Although synaptic behaviours of memristors have been widely demonstrated, implementation of an even simple artificial neural network is still a great challenge. In this work, we demonstrate the associative memory on the basis of a memristive Hopfield...
Memory Neural Networks, Computer Association Learning Algorithms Animals Computer Simulation Pattern Recognition, Automated Central Nervous System
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A roadmap to multifactor dimensionality reduction methods.

Briefings in bioinformatics Jun 24, 2015
Complex diseases are defined to be determined by multiple genetic and environmental factors alone as well as in interactions. To analyze interactions in genetic data, many statistical methods have been suggested, with most of them relying on statisti...
Computer Simulation Models, Statistical Pattern Recognition, Automated Protein Interaction Mapping Multifactor Dimensionality Reduction Algorithms
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Terradynamically streamlined shapes in animals and robots enhance traversability through densely cluttered terrain.

Bioinspiration & biomimetics Jun 22, 2015
Many animals, modern aircraft, and underwater vehicles use fusiform, streamlined body shapes that reduce fluid dynamic drag to achieve fast and effective locomotion in air and water. Similarly, numerous small terrestrial animals move through cluttere...
Computer Simulation Animals Biomimetics Robotics Body Size Locomotion Gait Spatial Navigation Models, Biological
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Enhancing spatial resolution of (18)F positron imaging with the Timepix detector by classification of primary fired pixels using support vector machine.

Physics in medicine and biology Jun 18, 2015
Position-sensitive positron cameras using silicon pixel detectors have been applied for some preclinical and intraoperative clinical applications. However, the spatial resolution of a positron camera is limited by positron multiple scattering in the ...
Monte Carlo Method Vitaceae Positron-Emission Tomography Image Interpretation, Computer-Assisted Fluorodeoxyglucose F18 Humans Algorithms Computer Simulation Radiopharmaceuticals Electrons Support Vector Machine Plant Leaves
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Artificial neural networks reveal efficiency in genetic value prediction.

Genetics and molecular research : GMR Jun 18, 2015
The objective of this study was to evaluate the efficiency of artificial neural networks (ANNs) for predicting genetic value in experiments carried out in randomized blocks. Sixteen scenarios were simulated with different values of heritability (10, ...
Animals Genotype Plants Inheritance Patterns Phenotype Breeding Neural Networks, Computer Computer Simulation Selection, Genetic Reproducibility of Results Genetics, Population
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