The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
On the basis of the interaction law of IT resources and IT application capabilities, using collaborative theory point of view, IT resources and IT application capabilities coupling measure model is established, which involves the active function, coupling degree functions, coupled coordination function and IT resources and IT ability coupling evaluation index system. According to the model, combined...
To evaluate the cardiovascular parameters spontaneous fluctuations and neural sympathetic discharge variability relationship during the gravitational stimulus, seven healthy males underwent ECG, blood pressure, respiratory and post-ganglionic sympathetic discharge activity (MSNA) recordings. Data were recorded at rest and during a 15-minute 80°head-up tilt followed by a step wise lower body negative...
The developing coordination in the fetal nervous system can be evaluated from heart rate and movement patterns. According to universal principles of development and self-organization heart rate indices of fluctuation amplitude, complexity, and pattern formation constitute a fetal autonomic brain age score (fABAS). The formation of fetal body movement related heart rate accelerations represents a particular...
This paper considers the problem of distributed node-to-node consensus for general linear multi-agent systems with switched pinning links. The control goal in the present work is to make each follower track the corresponding leader asymptotically under the condition that only a small fraction of followers can sense their corresponding leaders through some switched communication channels. By using...
This paper focuses on the problem of cluster synchronization of a class of complex dynamical networks. Based on impulsive control theory and a comparison theorem, generic criteria for cluster synchronization are derived. It is shown that these criteria provide a novel and effective control approach to synchronize a general dynamical network to a cluster synchronization manifold by exposing the relationship...
This paper studies the problem of synchronization on a complex dynamical network where the nodes' dynamics are nonlinear time-invariant systems and share a directed communication network. Firstly, we study the problem of synchronization on a directed network with physical links. An explicit Lyapunov function is constructed by using an appropriate matrix to derive the threshold of event generator....
This paper investigates the asymptotic synchronization for the directed and undirected dynamical networks with different dimensional nodes and nonlinearly coupled functions. Besides, the nodes in the network model discussed here are dissipatively coupled and similar and their coupling coefficients between different nodes permit negative. For this kind of network model, the synchronization manifold...
This paper studies the exponential input-to-state stability (e-ISS) for hybrid dynamical networks (HDNs) consisting of flow and jumping subsystems. Concepts of input-to-state exponent (IS-E) and event-ISS are proposed. By using the IS-E estimates of subsystems and the method of multiple Lyapunov functions and M-matrix theory, the e-ISS including event-e-ISS criteria are established for HDNs. The small-gain...
Due to nonlinear and strong coupling of coke ovens, a distributed reinforcement learning control algorithm based on a radial basis function (RBF) for gas collector pressure control was proposed, in which the discrete space was dealt with by RBF and the critic-actor method was used to update the parameters of search network and evaluation network of the controller. Moreover, the control strategies...
In this paper, we describe simulation of an impedance loaded passive SAW sensor. Coupling of mode theory (COM) is used for the simulation. New model for an impedance-loaded passive SAW sensor is proposed. However, the simulated results do not agree with the experimental results. Validity of the COM parameters is discussed and optimum values are estimated using Brent's method. Then, the model is applied...
To measure biopotentials, a measurement method with a passive LC filtering is presented. The measuring system consists of two sections: an implantable sensor section and an inductive coupled readout circuit. The proposed sensor section consists of an inductor that receives power from outside of the body and a LC filter with which the received signal is filtered. This filter consists of an inductor...
In order to establish a noninvasive cancer therapy with minimal side effects, low cost, and specific in targeting tumor cells. The team engineered novel and biocompatible Upconversion Nanoparticles (UCNPs) with a calcium fluoride shell α-NaYF4:Yb, Er@CaF2 and conjugated with an FDA approved prodrug 5-Aminolevulinic Acid (ALA). In conjunction with photodynamic therapy (PDT), deep tissue penetration...
This paper introduces a Y-shaped impedance network for realizing converters that demand a high voltage gain while using a small duty ratio. To achieve that, the proposed network uses a tightly coupled transformer with three windings, whose obtained gain is presently not matched by existing networks operated at the same duty ratio. This capability has been demonstrated by mathematical derivation for...
It has become common practice to build programs by using libraries. While the benefits of reuse are well known, an often overlooked risk are system runtime failures due to API changes in libraries that evolve independently. Traditionally, the consistency between a program and the libraries it uses is checked at build time when the entire system is compiled and tested. However, the trend towards partially...
The links of network on chip(NOC) power dissipation compete with the power dissipation of other elements of the communication subsystem, namely, the routers and network interfaces(NIs). A set of data encoding schemes aimed at reducing the power dissipation in the links of an NoC. Self switching activity and coupling switching activity are responsible for reducing the power dissipation. Thus, both...
Software metrics are vital tools to enhance the quality of computer software, and to help in the control of software projects. Object-oriented technology is a new promising approach for developing software systems to reduce software costs and to improve software productivity. Object-oriented metrics is a quantitative measure of the degree to which the software-system or component or process possess...
Recently, discovering dynamic communities has become an increasingly important task. Many algorithms have been proposed, most of which only use linkage structure. However, rich information is encoded in the content of social networks such as node content and edge content, which is essential to discover topically meaningful communities. Therefore, to detect both structurally and topically meaningful...
SoS are an ensemble of complex systems, which have the potential for an extraordinary amount of structural complexity, even temporarily, as a result of interconnections and couplings that can vary in strength. Because of this, SoS can be extremely vulnerable to very sudden catastrophic collapse as a result of small and insignificant partial functionality losses in one of the constituent systems. This...
Failure mode and effects analysis (FMEA) is an essential ingredient of reliability engineering and is a powerful technique used for improvement in design. However, the commonly used approach of calculating of a risk priority number (RPN) as the product of three ranking factors has been criticized for several reasons. This paper presents an improved calculation method for failure mode prioritization...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.