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检索条件"机构=Center for Technologies in Robotics and Mechatronics Components Innopolis University"

共 264 条记录，以下是151-160 订阅

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Features of brain activity in children during cognitive tasks of different types 3

Features of brain activity in children during cognitive task...

引用

3rd School on Dynamics of Complex Networks and their Application in Intellectual robotics, DCNAIR 2019

作者： Grubov, Vadim Maksimenko, Vladimir Makarov, Vladimir Neuroscience and Cognitive Technology Lab Center for Technologies in Robotics and Mechatronics Components Innopolis University Innopolis Russia

ISBN: (纸本)9781728124704

EEG signals of children were recorded during cognitive load of various types in accordance with proposed design of experiment. Obtained EEG data were analyzed with methods of time-frequency analysis and statistics. Differences in time-frequency structure of EEG signals and ratio between frequency ranges was shown for background activity and two types of cognitive activity. © 2019 IEEE.

关键词： Electroencephalography

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The activity of the brain cortical network during solving tasks

The activity of the brain cortical network during solving ta...

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School on Dynamics of Complex Networks and their Application in Intellectual robotics (DCNAIR)

作者： Artem Badarin Vadim Grubov Vladimir Maksimenko Neuroscience and Cognitive Technology Laboratory Center for Technologies in Robotics and Mechatronics Components Innopolis University Innopolis Russia

ISBN: (数字)9781728172866

ISBN: (纸本)9781728172873

In this paper, we analyze the functional connectivity between changes in the concentration of oxyhemoglobin, deoxyhemoglobin, and total hemoglobin, recorded by various leads of fNIRS from the frontal and parietal cortex. The obtained coefficients characterizing the functional connectivity between a pair of leads were presented in the form of a matrix. We analyzed the changes in functional connectivity during the performance of the subject of simple cognitive tasks associated with spatial perception.

关键词： Photonics Correlation Task analysis Neuroscience Optics Robots Brain

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Classification of hand-related real and imaginary motor activity with fNIRS

Classification of hand-related real and imaginary motor acti...

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School on Dynamics of Complex Networks and their Application in Intellectual robotics (DCNAIR)

作者： Alexander Hramov Vadim Grubov Artem Badarin Neuroscience and Cognitive Technology Lab Center for Technologies in Robotics and Mechatronics Components Innopolis University Innopolis Russia

ISBN: (数字)9781728172866

ISBN: (纸本)9781728172873

In the present work we studied blood oxygenation/deoxygenation spatial dynamics related to real and imaginary motor activity using functional near-infrared spectroscopy (fNIRS). We revealed biomarkers based on pronounced hemispheric lateralization of hemodynamical response in the motor cortex during motor activity. We used these markers to design a sensing method for classification of movement's type. The accuracy of real movements classification was close to 100%, while for imaginary movements it was lower but still quite high (about 90%). The proposed system can find application, for example, in neurorehabilitation after severe brain injuries, including traumas and strokes.

关键词： Brain Brain-computer interfaces Hemodynamics Neuroscience Electroencephalography Robots mechatronics

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The control of the dynamics of intense electron beams coupled through a common field 3

The control of the dynamics of intense electron beams couple...

引用

3rd School on Dynamics of Complex Networks and their Application in Intellectual robotics, DCNAIR 2019

作者： Badarin, Artem Neuroscience and Cognivite Technology Laboratory Center for Technologies in Robotics and Mechatronics Components Innopolis University Innopolis Russia

ISBN: (纸本)9781728124704

This paper presents the results of a study of the nonlinear dynamics of a system with several electron beams. A review and analysis of the latest results obtained in this area. In this case, the main emphasis in this work is made on controlling the generation characteristics in such a highly nonlinear system. The main dynamic modes typical for this kind of systems are shown. © 2019 IEEE.

关键词： Electron beams

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Time-frequency and recurrence quantification analysis detect limb movement execution from EEG data 3

Time-frequency and recurrence quantification analysis detect...

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3rd School on Dynamics of Complex Networks and their Application in Intellectual robotics, DCNAIR 2019

作者： Pitsik, Elena Neuroscience and Cognivite Technology Laboratory Center for Technologies in Robotics and Mechatronics Components Innopolis University Innopolis Russia

ISBN: (纸本)9781728124704

In present paper we consider application of recurrence quantification analysis (RQA) in detection of motor-related electroencephalograms (EEG). Particularly, we apply RQA to reveal transitions of mu-rhythm dynamics extracted from multichannel EEG recorded in motor cortex. The results show that the considering RQA measures of EEG in time-frequency domain one can effectively reveal dynamical features of motor-related brain activity. © 2019 IEEE.

关键词： Electroencephalography

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Recurrence plot structure of motor-related human EEG 3

Recurrence plot structure of motor-related human EEG

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3rd School on Dynamics of Complex Networks and their Application in Intellectual robotics, DCNAIR 2019

作者： Pitsik, Elena Neuroscience and Cognivite Technology Laboratory Center for Technologies in Robotics and Mechatronics Components Innopolis University Innopolis Russia

ISBN: (纸本)9781728124704

In present paper we consider structure of recurrence plot (RP) of human motor-related electroencephalography (EEG) signal recorded in somatosensory cortex and filtered in mu-band (8-13 Hz). We show that in averaged EEG signal background activity is mostly characterized by the diagonal lines, while motor task execution is associated with increase of recurrence points density and the emergence of vertical and horizontal lines. We also demonstrate that these features of RP structure also observed in single EEG trials. © 2019 IEEE.

关键词： Electroencephalography

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Features of real and imaginary motor activity on EEG and fNIRS signals for neurorehabilitation 3

Features of real and imaginary motor activity on EEG and fNI...

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3rd School on Dynamics of Complex Networks and their Application in Intellectual robotics, DCNAIR 2019

作者： Grubov, Vadim Frolov, Nikita Pitsik, Elena Badarin, Artem Neuroscience and Cognitive Technology Lab Center for Technologies in Robotics and Mechatronics Components Innopolis University Innopolis Russia

ISBN: (纸本)9781728124704

Experimental design for recording of EEG and fNIRS during performance of real and imaginary movement was proposed. Set of experiments was conducted in accordance with this design and obtained EEG and fNIRS dataset was analyzed. Analysis allowed to introduce certain features in time- frequency domain that can be used to separate real motor activity from imaginary. © 2019 IEEE.

关键词： Frequency domain analysis

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Energy-Efficiency in Legged Robots Locomotion: Open versus Closed Chains*

Energy-Efficiency in Legged Robots Locomotion: Open versus C...

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Nonlinearity, Information and robotics, (NIR) International Conference

作者： Roman A. Zashchitin Ivan I. Borisov Olga V. Borisova Sergey A. Kolyubin ITMO University Saint Petersburg Russia Center for Technologies in Robotics and Mechatronics Components Innopolis University Innopolis Russia

ISBN: (数字)9781728187631

ISBN: (纸本)9781728187648

Quadrupedal gallop is one of the fastest and efficient forms of locomotion that can be found in nature. Engineers in the field of robotics use it as a source of inspiration to create legged robots. The most common model to describe galloping is the spring-loaded inverted pendulum, representing the body as a mass, while legs perform a spring-like bouncing movement. There are many design choices to implement a robotic system to get desirable bouncing dynamics. This paper compares two opposite ways to design a hopping robot in terms of energy-efficiency: algorithmically with an open chain or mechanically with a closed chain. The first way takes a relatively simple serial kinematic chain and, via impedance control algorithms, perform passive dynamic interaction with the ground. The second way takes SLIP-synthesized underactuated mechanism and via simple position and velocity control perform the same passive dynamic interaction with the ground. The paper contains a detailed description of the hoppers, analysis, and simulation results.

关键词： Legged locomotion Heuristic algorithms Kinematics Energy efficiency Impedance Springs Robots

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Quiescence-to-Oscillations Transition Features in Dynamics of Spontaneous Astrocytic Calcium Concentration 20th

Quiescence-to-Oscillations Transition Features in Dynamics o...

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20th International Conference on Mathematical Modeling and Supercomputer technologies, MMST 2020

作者： Sinitsina, Maria S. Gordleeva, Susanna Yu. Kazantsev, Victor B. Pankratova, Evgeniya V. Department of Applied Mathematics Institute of Information Technologies Mathematics and Mechanics Lobachevsky State University of Nizhni Novgorod 23 Gagarin Avenue Nizhny Novgorod603950 Russia Neurotechnology Department Lobachevsky State University of Nizhni Novgorod 23 Gagarin Avenue Nizhny Novgorod603950 Russia Neuroscience and Cognitive Technology Laboratory Center for Technologies in Robotics and Mechatronics Components Innopolis University 1 Universitetskaya Street Innopolis420500 Russia Neuroscience Research Institute Samara State Medical University 89 Chapaevskaya Street Samara443099 Russia

ISBN: (纸本)9783030787585

Recent experimental data show that neural network dynamics significantly depends on the properties of an active nonlinear environment in the brain. Chemical activity of astrocytes is one of the main factor modifying the excitability of the neuronal membrane and regulating the efficiency of signal transmission between neurons. It is known that astrocytes can demonstrate both spontaneous changes in calcium concentration and calcium signals caused by neuronal activity. We focus on spontaneous calcium concentration dynamics in astrocytes. Nonlinear differential equations describing molecular t between neuronsransport in the astrocytes are investigated. Particularly, within the frame of Lavrentovich-Hemkin mathematical model for calcium dynamics, the bifurcation mechanisms of spontaneous calcium concentration change are determined. We show that both soft (emergence of small-amplitude oscillations via supercritical Andronov-Hopf bifurcation) and hard (instantaneous emergence of large-amplitude oscillations via fold limit cycle bifurcation) ways for oscillations emergence can be realized in the astrocyte dynamics. © 2021, Springer Nature Switzerland AG.

关键词： Dynamics

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On the stability of mobile robots movement with cable propulsion devices 23rd

On the stability of mobile robots movement with cable propul...

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23rd International Conference on Climbing and Walking Robots and the Support technologies for Mobile Machines, CLAWAR 2020

作者： Platonov, V.N. Shaponov, N.G. Briskin, E.S. Department of Theoretical Mechanics Volgograd State Technical University Lenin av. 28 Volgograd400005 Russia Center for Technology Components of Robotics and Mechatronics Innopolis University Universitetskaya str. 1 Innopolis420500 Russia

ISBN: (纸本)9781916449046

The movement of the platform of the underwater mobile robot with an excessive number of propulsion devices, clinging to the reservoir’s bottom, is considered. The task of determining the laws of the transition process, assessing its stability and quality indicators of control when establishing the specified relations between the efforts in the cables is studied. © CLAWAR Association Ltd.

关键词： Mobile robots

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