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The performance of an advanced Extremum Seeking Control (ESC) scheme will be evaluated in this paper based on multimodal benchmark pattern proposed in the literature to test the classical ESC schemes. The performance indicators which are usually used in real-time optimization (RTO) strategy for Fuel Cell (FC) systems or photovoltaic (PV) systems will be also used here. The advanced ESC scheme will...
One of the most important issues that define the quality of life is the security and security of the people against the current threats mainly coming from terrorism. Traffic with narcotics and the irresponsible consumption of some drugs are also serious problems for humanity. The science and technology is on the permanent race to help authorities combat illegal activities such as explosives and narcotics...
In this paper a sign NLMS algorithm variant is proposed to adapt the second microphone on the two microphone approach in hearing aids. for closed-loop feedback cancellation. The simulation results show improved convergence properties over competing methods used to tackle the acoustic feedback problem.
This paper present a wearable platform, for cardiac signal monitoring, developed by using conductive threads into a cloth article. For reading the human body, impedance variations were used flexible electrodes developed for the wearable ECG platform. The dry ECG electrodes have been developed by knitting technology. The electrodes have been integrated into the textile assembly together with the electronics...
Structural changes of the informational society based on knowledge underline the necessity of changes in the educational system too, according to the social, economic needs, etc. ICT offers teachers a variety of tools to adapt the educational process to the needs of each student in the transition from teacher-centred instruction to the creation of pupil-centred interactive educational means. The teacher...
This article approaches a practical experimental solution for the limited energy resources issue of the off-grid households. By using electrical sensors, a customized electronic board and embedded open-source devices, we could conceive a smart system that can monitor instantaneous power consumption, schedule large consumers to run at peak solar power production and also control the backup hydroelectric...
Internet of Things (IoT) devices are getting increasingly popular, becoming a core element for the next generations of informational architectures: smart city, smart factory, smart home, smart health-care and many others. IoT systems are mainly comprised of embedded devices with limited computing capabilities while having a cloud component which processes the data and delivers it to the end-users...
This study presents a control approach for a Ground Walking Platform (GWP). The control approach was developed to be a part of a future lower limb rehabilitation robot that aims to simulate the walking on different terrains (e.g. walking, on plane ground, on stairs, or on a hill). In addition the system aims to simulate for the user not only classic hard ground walking trajectories, but also to simulate...
Paper presents firstly the principle of fluorescent detection to be implemented for rapid diagnosis of bacterial and non-bacterial meningitis. The acquired image by the mobile phone equipped with adapted lens is prepared by special techniques including denoising, emphasizing the useful signals, highlight and setting thresholds. Secondly, the prepared image is cropped in individual matrix's and converted...
A distributed attack initiated by a malicious party whose final purpose is to disrupt the services offered by a system to legitimate users is called DDoS. In recent years, many such attacks have been reported, some of them being able to cause major loses for companies or government institutions. In this paper, we analyze the impact of HOIP and Slowloris based DDoS attacks on both Windows and Linux...
Dynamic Multipoint IPsec VPNs (DMVPN) is a software optimization technique proposed firstly by the Cisco Company to overcome the limitations of the classical Virtual Private Network (VPN) implementations. In this paper, we discuss and simulate a DMVPN phase2 (spoke to spoke tunnel). The implementation and simulation is carried in GNS3 network simulation software.
Regression testing is an important process for software quality. Test case reduction is one of the widely used techniques for regression testing, which can dramatically decrease the testing costs. However, it is an NP-complete problem and big test cases cannot be accomplished in reasonable amount of time. For this reason, we propose a test suite reduction approach by using greedy and genetic algorithms...
Nowadays, big data analytics has gained more popularity than any other domain in the research world. Its uses in domains like cyber security, but also the security of data itself, represent great challenges for researchers. Neural Network approaches have been of interest in developing models and architectures for discovering patterns and malicious activity of the users. In certain cases, the right...
Many examples for the usage of electromagnetic forces in micromanipulation systems are available in the literature. The behavior of electromagnet and the dependence of their electromagnetic force on different parameters are a classical subject. In this respect, this paper presents a method to model, simulate and measure the electromagnetic force of a small electromagnet, used as actuator for compliant...
This article shows the possibility of using renewable energy sources in order to improve energy efficiency, reduce greenhouse gas emissions and therefore prevent climate change. This article proposes a remote monitoring and control system with interfaces and data collectors. In addition to research, development, testing and use of renewable energies, it is also necessary to measure and track online,...
The purpose of this research is to provide a new and efficient way to identify targets in polarimetric synthetic aperture radar (PolSAR) images using the inherent properties of these images and to reduce the time and cost of calculation. In this paper, a new method is proposed to feature extraction and classification based on non-negative matrix factorization (NMF), Fisher linear discriminant analysis...
Mass spectrometry is an optoelectronic method of determining organic substances by comparing their mass spectrum with mass spectra found in system libraries. In the case of biological products, substances of interest, biotic or xenobiotics, may be “hidden” from the background of the analyzed matrix noise, which alters the major aspect of the mass spectrum obtained and faces the impossibility of their...
Neurons use electricity in order to communicate to each other. Due to numerous signals sent by neurons, there are oodles of electrical activity in the brain. Sensitive equipment like electroencephalogram (EEG) biosensor perceives the brainwaves emanated from neurons. Beta waves are responsible for problem solving or decision making and associated with attention. Alpha waves are associated with now...
This paper presents the analysis of an electrothermal wind generator for wind conversion systems able to transform the rotational mechanical energy both into electricity and heat by cogeneration. This new solution is a two in one machine that consists of a permanent magnet synchronous generator cooled by forced convection by a liquid thermal agent and a permanent magnet heater whose role is to raise...
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