BACKGROUND The mechanisms of the atrial contractile dysfunction induced by atrial fibrillation (AF) are not completely understood. In particular, the relation between the atrial dysfunction and electrical remodeling has not yet been studied. METHODS AND RESULTS Seven goats were chronically instrumented with electrodes sutured to the atria and with ultrasonic piezoelectric crystals to record t...

The oil and gas industry has a growing demand for electrically driven trains operated at variable speeds. Variable frequency electrical drives enable increased operational flexibility and energy efficiency. This is of great importance in applications requiring high power, such as gas compression. Load commutated inverters (LCIs) are one of the most widespread technologies for driving large gas ...

This article reveals the current problems of development industries and sectors country’s economy in conditions sanctions pressure, import substitution, concept sustainable development. The authors analyzed associated with modernization housing communal services, renovation, substitution agriculture electrical industry, production domestic asynchronous motors for Russian electric trains. questi...

The research we conducted and describe in this thesis involves the autonomous discovery of the composition of a train. Using wireless sensor nodes equipped with 3D accelerometers, we aim to use motion as the common context for the correlation of the wagons behind a train. The draft of the European Rail Track Management System (ERTMS) level 3 specifies a train should be able to be aware of the c...

Although major advances have been made in the development of motor prostheses, fine motor control requires intuitive somatosensory feedback. Here we explored whether a thalamic site for a somatosensory neural prosthetic could provide natural somatic sensation to humans. Different patterns of electrical stimulation (obtained from thalamic spike trains) were applied in patients undergoing deep br...

The emergence of microelectrode array enables the study of real-time neurophysiological activities across multiple regions of the brain. However, the real-time extracellular voltage potentials recorded on any electrode represent the simultaneous electrical activity of an unknown number of neurons which present a critical challenge to the accuracy of interpretation and identification of the neur...