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The paper presents new concepts and approaches of multi-stage fuzzy method of walking modular robots using resolved acceleration control. Several compliant control methods were analyzed in order to obtain high performances in robot trajectory control, ...

Based on biological prototype of human brain and improved understanding of the functionality of the neurons and the pattern of their interconnections in the brain, a theoretical model used to explain the informationprocessing characteristics of the ...

The aim of this paper is to analyze the sensitivity of various compact fluorescent lamps (CFLs) which are used in residential and commercial applications during voltage sags. Laboratory tests were performed on different CFLs commonly available in the ...

A novel approach is described to estimate the transmission line susceptances using the linear power flow model having linear relation between the measurement vector and the susceptance vector. The presently estimated susceptance is compared with the ...

In this study an investigation was made on properties of impedance hygrometer fabricated by using cellulose and copper phthalocyanine (Ag/Cellulose/ CuPc/Ag). The 5 wt. % suspension of cellulose was prepared in water while the CuPc was dissolved in ...

This paper presents a Bees Algorithm (BA) to seek the optimal allocation of FACTS devices in deregulated power system. The optimizations are made on three parameters: the location of the devices, their types and their sizes. The FACTS devices are ...

This paper presents a new detection technique based on the derivative of the line reactive power as seen by the relay to prevent distance relay mal-operation during power swings. This proposed technique overcomes the shortcoming of conventional power ...

A solution for high power, high voltage converter is multi-level cascade converter. In this paper a five-level cascade converter is simulated. To reduce the switching losses a soft-switching technique named auxiliary resonant commutated pole (ARCP) is ...

This paper presents an improved indirect maximum power point tracking (MPPT) method for a standalone photovoltaic (PV) generation system. The proposed method is based on curve fitting for finding the best fit for the P-V characteristic curve by ...

It is well known that in wind applications the synchronous generators play a decisive role from the design, reliability and efficiency point of view as well as provided energy quality. This paper proposes a type of Permanent Magnet Synchronous Generator ...

The main problems of the voltage sag in low voltage distribution systems due to sensitive loads. Voltage sags can caused malfunction in the distribution system. In order to protect voltage sags in the network a device which called Dynamic Voltage ...

Power system security assessment based on the concept of risk is required in the current power environment. In risk based security assessment, the likelihood and severity of security violation are the two main factors that determine the security level ...

This paper begins with a short presentation related to construction and theoretical analysis of new type of modular current sources with identical ferromagnetic modules, independent primary windings and a single common secondary. Then, some ...

The over voltage on the electric power line is the function of line design and the lightning incidence. The occurrence of lightning in Malaysia is amongst the highest recorded in the world and it is beyond our control. However the designs of power line ...

Recently, Dynamic Voltage Restorer (DVR) has become a popular power electronic device as a protection for sensitive loads from voltage sag. Voltage sag widely known as one of the major problem in power quality, it is defined as a short reduction of ...

The key of reactive power planning (RPP), or Var planning, is the optimal allocation of reactive power sources considering location and size. In this paper, three metaheuristics optimization algorithms and their modified version are compared for the ...

Increasing wind power penetration into power grids is desirable because of its environmental and other benefits, but unfortunately, wind farms could cause serious voltage stability problems due to their output variability and intermittency. So this ...

In this paper, we propose a new approach for optimization in audio watermarking using artificial intelligent technique. The watermarks are embedded into the low frequency coefficients in discrete multiwavelet transform domain. The embedding technique is ...

In breast cancer diagnosis, the radiologists mainly use their eyes to observe abnormalities occur on the mammograms. However, in many cases, cancer is not easily detected by the eyes because of bad imaging conditions. In order to improve the correct ...

This paper presents analysis, simulation and implementation of Space vector pulse width modulation (SVPWM) inverter. Principles of the SVPWM is introduced and analyzed. Modeling of the switching intervals and control signal generators are introduced. ...

In this paper we proposed an ECG (electrocardiogram) signal monitoring system working on a ZigBee based wireless sensor network. An ECG signal acquisition module is implemented on a wireless platform that can acquire heart signals from ECG sensors and ...

These days people love to travel around the world. Regardless of their location and time, they especially Muslims still need to perform their prayers. Normally for travelers, they need to bring maps, compass and for Muslim, they even have to bring Qibla ...

This article covers the Design process of a four DOF pick and place robot considered and manufactured for research aims. Here, the modelling and simulation of this robot have been done using analytical methods and Visual Nastran® software. Also, some ...

In this paper, we present a method to navigate a mobile robot using a webcam. This method determines the shortest path for the robot to transverse to its target location, while avoiding obstacles along the way. The environment is first captured as an ...

The object of this paper is the design of a new transport pipe flow control system through the adjustment of the speed of the centrifugal pump. The novelty of this type of flow control system is that the induction motor speed control system is a ...

The paper presents new concepts and approaches of multi-stage fuzzy method of walking robots using resolved acceleration control. Several compliant control methods were analyzed in order to obtain high performances in robot trajectory control, which ...

A new method is developed that uses Minimal Sensitivity Principle and Sinc wavelets to obtain the critical impurity concentration in doped semiconductors. Thomas-Fermi theory of metals is employed and results are coincident with those of other methods. ...

In the context of quality assurance of test results SDAR-OES for stainless steels, the present work discuss the aspects of lightning spark of interaction with the sample. The investigations was made by optical and electronic scanning microscopy with ...

The Bayesian methods provide additional information about the meaningful parameters in a statistical analysis obtained by combining the prior and sampling distributions to form the posterior distribution of the parameters. The desired inferences are ...

Topics from this study is the impact caused by the dimensions of the curved strip dipole that can affect the performance of this antenna mounted over the EBG ground plane for operating wireless signal in the RFID technology, by using the two quarter ...