Top PDF : Realidad de la práctica pedagógica y curricular en educación básica y bachillerato de la Unidad Educativa “Vicente Anda Aguirre”, sección nocturna, de la ciudad de Loja, durante el año 2011-2012
Design and Analysis of a Proposed Timer Controller with Constant Switching Frequency Boost PFC Converter
... variety of applications due to the advantages of high efficiency and power ...factors and injection of harmonics into the utility ...regulation and strict limits on Total ...
Analysis of Photovoltaic Fed Partially Isolated Three-Port Full Bridge Converter with the Centralised Controller
... paper analysis of an efficient topology of the three-port full bridge dc-dc converter is ...promising with the view points of centralised control, compact design as it is ...
Design and Implementation of 12V/24V Closed loop Boost Converter for Solar Powered LED Lighting System
... the design and implementation of high performance closed loop Boost converter for solar powered HBLED lighting ...The proposed system consists of solar photovoltaic ...
Circuit Averaging for Boost Converter Involving Generation of Pseudo-Random Carrier Modulation via PSIM
... electronics Boost converter is the basic topology under DC–DC converter, whose behavior serves to convert a DC input voltage to a Higher DC output voltage, which has been widely used in ...designing ...
High Accuracy Speed-fed Grating Angular Acceleration Measurement System Based on FPGA
... vibration of high-speed rotary machine is proposed by Huang Zhen[3], which based on laser Doppler technique and the principle of optical heterodyne, the angular acceleration is measured ...
An Analysis of Student Evaluations of Native and Non Native Korean Foreign Language Teachers
... because of the scarcity of non-native female TAs, the analysis dropped all evalua- tions of non-native ...courses with a professor; the professor taught the class on Tuesday and ...
Development of Microcontroller Based ISPWM Switching Technique for Single Phase Inverter
... microcomputer with 32K bytes of Flash programmable and erasable read only memory ...architecture with mostly fixed-length instruction and 32 general purpose ...The controller has ...
Lat. Am. j. solids struct. vol.11 número9
... been proposed to stabilize the chaotic vibration in the automotive wiper system by Wang and Chau ...voltage of the DC motor is online adjusted according to its armature current ...chaotic and ...
Explicit and implicit approach of sensitivity analysis in numerical modelling of solidification
... Keywords: Application of Information Technology to the Foundry Industry: Solidification Process: Numerical Tcchniqucs: Sensitivity Analysis; Borzndary Elcmcnt Mcthod.. Introd[r] ...
Synthesis of nanoparticeles in ductile iron with small additions of vanadium and niobium and its mechanical properties
... compositions of microcomponents present in particular ...distribution of graphite and other big ...examination of nanosized secondary precipitates, ...carbides and/or nitrides (or ...
Effect of water glass modification with nanoparticles of zinc oxide on selected physical and chemical properties of binder and mechanical properties of sand mixture
... generation of materials are used in many ...down and bottom-up techniques. The essence of the top-down technique consists in grinding the material to particles with nano dimensions, while the ...
J. Microw. Optoelectron. Electromagn. Appl. vol.16 número2
... array of conducting or aperture elements deposited in a dielectric ...The frequency response is dependent to incidence angle, on the polarization of the incident waves, planar geometry of the ...
Comprehensive analysis and comparison of digital current control techniques for active rectifiers
... use of power electronics converters has been increasing for a wide range of ap- plications, ...[3], and power factor correctors ...active and reactive power, optimize the performance of ...
Teaching Microcontrollers with the MSP430
... • timers description: Watchdog Timer and Basic Timer; • search in the TI MSP430 Manual for the chapter related.. with Watchdog Timer and Basic Timer characteristics:.[r] ...
Modeling and Analysis of Queuing Systems in Banks A case study of Ghana Commercial Bank Ltd. Kumasi Main Branch
... line and then proceed to the first available ...distribution with rate . Each of these channels has an independent and identical exponential time distribution with mean 1 ...
Design of 6-Bit Flash Analog to Digital Converter Using Variable Switching Voltage CMOS Comparator
... Analog-to-digital converter (ADC) has become essential structure for most of the electronics and communication ...types of available ADC ...the converter more power hungry & ...
Direct Adaptive Hybrid PD-PID Controller for Two-Link Flexible Robotic Manipulator
... The proposed adaptive control scheme is tested through simulation in Matlab/Simulink environment and the results are ...parameters of the two-link flexible manipulator system are in table 1. The PD ...
Assessing the impact of public debt on economic growth
... goal of this empirical study was to assess the impact of public debt on the growth rate of GDP in Portugal, taking into account the economic ...identification of a certain threshold above ...
Optimization Based Approach for Constrained Optimal Servo Control of Integrating Process Using Industrial PI Controller
... analytical design method for PI controller is developed for constrained optimal control of integrating ...associated with the three constraints is formulated and then converted into a ...
Design And Construction Of 300W Audio Power Amplifier For Classroom
... the design and construction of 300W audio power amplifier for ...construction of this amplifier, microphone preamplifier, tone preamplifier, equalizer, line amplifier, output power amplifier ...