11 paper(s)
Amanda Cicilato · April 2013 · pp. 01-03
SCADA (supervisory control and data acquisition) is a type of industrial control system (ICS). Industrial control systems are computer controlled systems that monitor and control industrial processes that exist in the physical world. Page(s): 01-03 Date of Publication: April 2013
Denial Smith · April 2013 · pp. 04-06
Bluetooth 2.0+EDR and Bluetooth 2.1+EDR are specifications for short-range wireless data exchange. Both Version 2.0 and 2.1 support EDR (Enhanced Data Rate), a faster PSK modulation scheme capable of transmitting data 2 or 3 times faster than previous versions of Bluetooth. Page(s): 04-06 Date of Publication: April 2013
Dolesh Bhardwaj, H.K.S. Randhawa · April 2013 · pp. 07-13
Long Term Evolution (LTE) is one of the emerging technologies toward next generation mobile wireless networks. For LTE physical layer development, electronic system level (ESL) tools are widely used to assist design and verification processes. Among various modeling technologies underlying ESL tools, synchronous dataflow (SDF) and its related models of computation have been successfully used to model and simulate many wireless standards. However, LTE physical layer involves dynamically varying data processing rates that make SDF insufficient due to its constant-rate constraint. In this paper, we use a novel approach, called Mixed-mode Vector-based Dataflow (MVDF), to efficiently model and simulate LTE physical layer by exploring the matched-rate nature of LTE and by combining static and dynamic dataflow technologies. We have calculated the throughput of LTE physical layer in an ESL tool, called SystemVue, along with a complete LTE physical layer library. With the implementation, we are able to create LTE reference designs for performance measurements. Our simulation results successfully match the standard requirements. Page(s): 07-13 Date of Publication: April 2013
Nirmal Chhajer, Reena Kumari Jain, Prof. S.C.Mahajan, Hitesh Kumar Bajaj · April 2013 · pp. 14-16
In this work we present a Wilkinson power divider operating over an ultra wide frequency band (3.1GHz to 10.6GHz). The proposed power divider consists of two branches of impedance transformer, each consists of two sections of transmission lines with different characteristic impedances and different lengths. Two resistors of 100 ohm are set between the two sections and there are two stubs. The simulated and measured results of the proposed divider shows good insertion loss that is less than 0.4 dB, the role of skirts near both the cut off frequencies have been significantly sharpened, return loss of input port (S11) and out ports (S22,S33) are less than 12 dB and isolation is better than 11 dB for over UWB frequency range. Page(s): 14-16 Date of Publication: April 2013
Raman Dep, Pushpendra Foujdar · April 2013 · pp. 17-25
Reliability is always a concern for Power Systems. Reliability is a compromise between security and dependability. Security is the ability to properly restrain from tripping when not called for. Dependability is the ability to trip when required. While security is not improved by increased redundancy, dependability is. Clearly, the impact on the power system when a power transmission circuit and protective devices are not functioning when required is much less severe when there is a redundant transmission circuit & protective devices that takes over the job. If the two redundant transmission circuit and protective devices are of equal performance, there should be no detrimental effect at all on power system operations, and a non-functioning device would just need to be repaired or replaced. The Power industry applies a “no single point of failure” criteria for Power system networks. Reliability is commonly achieved by configuring the Power Transmission lines various circuits and protective devices placement schemes. For Power system networks and component devices, the preferred method of meeting reliability requirements has been to use physically separate, redundant transmission circuits and protective devices. Hence, this paper is examining redundancy requirements for Power system transmission circuits and protective devices configuration in System and presents a new approach for evaluating the reliability of system. Page(s): 17-25 Date of Publication: April 2013
Meenu Bhati, Prof. Rajeshwar Lal Dua · April 2013 · pp. 26-30
In this paper we have designed a LPF that is using DGS .In this project a compact microstrip low pass filter is designed using a defected ground structure (DGS) with compensated microstrip. The equivalent circuit for the DGS and its corresponding L-C parameters are extracted by using its S parameters response (EM simulation) and a simple circuit analysis method. The low pass filter is realized and optimized using cascaded DGS to provide a portable size, excellent sharpness in transition with low insertion loss in pass band and wide rejection in the stopband. The proposed periodic defected ground structure (DGS) provides the excellent cutoff and stopband characteristics. In order to show the improved the effective inductance, three DGS circuits were fabricated with identical periodic and different dimensions. Observed results show good agreement with the theoretical results. The results are validated by using CST. Page(s): 26-30 Date of Publication: April 2013
Vivek Upneja, Suresh Kamboj, Prashant Manuja · April 2013 · pp. 31-33
In this paper we will discuss about Cloud Computing a Internet Based Computing. Services can be accessed from anywhere in the world by multiple devices. The cloud model leads to basically two different kinds of clouds: private and public. The public clouds are those that offer IT services to any customer over the Internet. Private clouds offer IT services to a predefined group of customers, with access through Internet or private networks. You might have also heard about internal and external clouds. The former are a subgroup of the private clouds, and provide services within the same company or corporate group. The latter may be public or private and provide services to other companies. Page(s): 31-33 Date of Publication: April 2013
Bhawani Singh, Dolly Sharma, Ravi Kumar Rana · April 2013 · pp. 34-37
There is increasing demand for the use of alternate or renewable energy sources to achieve clean and low-cost electricity. The potential for non-thermal onsite power generation also remains enormous in India with increasing investment in small-scale solar and wind power. Design & integration of renewable energy hybrid system also involves the process of selecting the best components and its sizing to provide cheap, efficient, reliable and cost effective renewable energy. Grid power availability is very poor and use of Diesel generator is very expensive due to its fuel and transportation cost as well as maintenance. This paper gives the design idea of optimized pv- solar and wind hybrid different applications. This paper presents a detailed reviews process adopted to study a scientific research papers. It explains five stage process followed for the review of 3 selected papers in the area of renewable energy system replacing Systems with Conventional Energy sources. Page(s): 34-37 Date of Publication: April 2013
Dr. Gaurav Kumar Jain, Mr. Sandeep Joshi, Mr. Ravi Ranjan · April 2013 · pp. 38-42
Nanorobotics is the technology of creating machines or robots at or close to the microscopic scale of a nanometer (10−9 meters). More specifically, nanorobotics refers to the still largely hypothetical nanotechnology engineering discipline of designing and building nanorobots, devices ranging in size from 0.1-10 micrometers and constructed of nanoscale or molecular components. As no artificial non-biological nanorobots have yet been created, they remain a hypothetical concept. The names nanobots, nanoids, nanites or nanomites also have been used to describe these hypothetical devices. Page(s): 38-42 Date of Publication: April 2013
B.B.S. Kapoor, Kamal Kishor · April 2013 · pp. 43-55
INTRODUCTION The Shekhawati region is spread over the Jhunjhunu and Sikar districts of Rajasthan state and surrounded by Haryana towards the East and the districts of Jaipur, Nagaur and Churu on other sides. The soil of Shekhawati largely comprises of desert sands and gravel in hilly areas. The region is traversed by a single rainy season and characterised by high velocity winds in summers. Rajasthan includes 12.44% of tribal population of the total population .The major tribes are Bhils, Garasia, Saharia, Meena, Damor, Patelia, kanjar, gadolia luhar etc. These tribes still prefer traditional medicines for their household remedies. This region of Rajasthan is very rich in ethnomedicinal plants. Studies to identify and explore the possibilities of exploitation of wild desert plants of ethnomedicinal importance have revealed that there are several herbal species which have great potential to be used in drugs and pharmaceutical industries. Ethnomedicinal plants of this region are good source of nutritionally and phytochemically important compounds. Page(s): 43-55 Date of Publication: April 2013
Sudhir Singh, Nasib Singh Gill · April 2013 · pp. 56-61
K-means and Incremental K-means are two very important and popular clustering techniques for today’s large databases (Data warehouses, WWW and so on). The performance of the K-means and incremental K-means are different with each other based on their time analysis characteristics. Both algorithms are efficient compare to their existing algorithms with respect to time, cost and effort. In this paper, the performance evaluation of K-means clustering algorithm is implemented and most importantly it is compared with the performance of incremental K-means clustering algorithm and it also explains the characteristics of these two algorithms. This paper also explains some logical differences between these two most popular clustering algorithms. This paper uses a medicine database on which the experiment is performed. Page(s): 56-61 Date of Publication: April 2013
