Once these commands are set, PrimeTime checks for high and low pulse widths and reports any violations. Capture Clock Edge The edge of the clock for which data is detected is known as capture edge. Launch Clock Edge This is the edge of the clock wherein data is launched in previous flip flop and will be captured at this flip flop.
In this context of changing and challenging market requirements, Gas Insulated Substation GIS has found a broad range of applications in power systems for more than two decades because of its high reliability, easy maintenance and small ground space requirement etc. SF6 has been of considerable technological interest as an insulation medium in GIS because of its superior insulating properties, high dielectric strength at relatively low pressure and its thermal and chemical stability.
SF6 is generally found to be very sensitive to field perturbations such as those caused by conductor surface imperfections and by conducting particle contaminants.
The presence of contamination can therefore be a problem with gas insulated substations operating at high fields. If the effects of these particles could be eliminated, then this would improve the reliability of compressed gas insulated substation. It would also offer the possibility of operating at higher fields to affect a potential reduction in the GIS size with subsequent savings in the cost of manufacture and installation.
The purpose of this paper is to develop techniques, which will formulate the basic equations that will govern the movement of metallic particles like aluminum, copper in a coated as well as uncoated busduct. In recent years, the areas of industrial application of AC drives, especially Induction machine based on DTC technique has gradually increased due to its advantages over the other techniques of control.
However conventional DTC suffers from high torque ripple and variable switching frequency. This paper, propose a method to reduce torque fluctuations, where the circular flux vector is divided into twelve sectors and is compared with conventional DTC method where the flux vector is divided into six.
Electrical and Electronic Engineering Vol. F and Sansui H, "Simulink model of direct torque control of Induction machine", American journal of applied sciences 5 8: Krishnan, Electric Motor Drives: Enhancing Reusability of Conventional Apollo Modules by proposing change in design and use of new ablative material Enhancing Reusability of Conventional Apollo Modules by proposing change in design and use of new ablative material Abstract: The paper deals with the reusability of command modules used during Apollo space missions.
During Apollo missions in 's the module surface becomes charred up to some extent, hence decreasing the strength and scope of further reusability of the module. A new design has been proposed and simulation results have revealed the possibility to reuse the module again for another mission.
The new design has incorporated an in-built mechanism that will extend some part of the module surface outwards near to the periphery of the base of the module. The design, mechanism, material and other details are discussed in succeeding sections. New ablative material has been introduced for more getting more promising results.
Design patterns have been the target of a great deal of research in the last few years. A design pattern is a general solution to a commonly occurring problem. They are composed of three parts: This paper concentrates on developing a catalog for design patterns for safety-critical real-time systems and allows flexibility to choose, search a design pattern and add more design patterns.
This tool will be able to help generate the code for the suitable design pattern. Edition published in Safety assessment of design patterns for safety-critical embedded systems. Sarma, Sahith Rampelli, Dr. High-resolution signal parameter estimation is a significant problem in many signal processing applications.
Such applications include direction of arrival DOA estimation for narrow band signals and wideband signal emitted by multiple sources and received by sensor arrays. Strong consistency of the modified method is established.
However, an important disadvantage of the ULA geometry in DOA estimation is that it can only estimate the azimuth angle.
To estimate the elevation angle, Uniform circular arrays UCA geometries and planner array are employed in many applications. Schmidt, "Multiple emitter location and signal parameter estimation". Antennas and Propagation, vol. A Face recognition scheme using hybrid approach is proposed in this paper.
Feature vector based on eigen vectors of sub images is used for recognition Image is partitioned in to sub images.
Sub parts are rearranged in to rows and column matrices.
Eigenvectors are computed for these matrices. Global feature vector is generated and used for face recognition. Experiments performed on benchmark face database YALE Indicated that the proposed hybrid approach has better recognition performance in terms of average recognized rate and retrieval time compared to existing methods.
Pentland, Facerecognition using eigenfaces, in: Sejnowski, Independent component representation for face recognition, in:A Low Power CMOS Design of An All Digital Phase Locked Loop A Thesis Presented by Jun Zhao to The Department of Department of Electrical and Computer Engineering.
DJGPP is OpenSource licensed under GPL, this mean that you can download it for free including sources. + GCC is a compiler still in development and its current version is (fresh release).: There ara available cross-compilers for Win32/64, Linux32/64 and Mac OS X: Wide optimization features and most modern CPU instruction sets are supported.
The STM32F/ lines are designed for medical, industrial and consumer applications where the high level of integration and performance, embedded memories and rich peripheral set inside packages as small as 10 x 10 mm are required.
power distribution bibliography. Bibliography This web site is being maintained by John R. Barnes, who was the President and Chief Engineer of dBi Corporation from to September 30, , when we closed because ObamaCrap made it too expensive for us to remain in business.
The STM32F20x family is based on the high-performance ARM ® Cortex®-M3 bit RISC core operating at a frequency of up to MHz.
The family incorporates high-speed embedded memories (Flash memory up to 1 Mbyte, up to Kbytes of system SRAM), up to 4 Kbytes of backup SRAM, and an extensive range of enhanced I/Os and peripherals connected to two APB buses, three AHB buses .
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1. INTRODUCTION. You are at the best, free online "Basic Electronics Course". Just read the brief blocks of text, view the videos, and check out some of the screened internet links.