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Krishan Arora,Deepak Prashar 한국디지털융합학회 2020 IJICTDC Vol.5 No.2
The change in the power demand results in modification of frequency of interrelated power system amongst the dissimilar areas. The load frequency control can be attained by proper regulation of participating producing elements. The Area Control Error (ACE) has to be minimized for the frequency response enhancement and Integral Square Error (ISE) is generally taken as ACE. The aim of Load Frequency Control (LFC) is to diminish the Integral Square Error to Nil with constant variation of claim of dynamic energy so that the entire produced energy of the arrangement and load obligation correctly matches with every element. In this paper, results of multi area interconnected power system under Unilateral Contract are verified with the assistance of conventional controllers.
An Evaluation of Dynamic Java Bytecode Software Watermarking Algorithms
Krishan Kumar,Viney Kehar,Prabhpreet Kaur 보안공학연구지원센터 2016 International Journal of Security and Its Applicat Vol.10 No.7
In the era of Information technology, Software Piracy and security has become one of the most important issue in world. Numbers of techniques have been proposed and implemented to prevent software piracy and illegal modification. Among all the protection techniques, software watermarking technique which attempts to protect the software by embedding copyright notice or unique identifiers into software to prove the ownership of software. Software Watermarking discourage piracy; as a proof of purchase or authorship; also helps in tracking the source of illegal redistribution of copies of software. We evaluate the existing dynamic watermarking algorithms using them to watermark java bytecode files and then applying distortive attacks to each watermarked program by obfuscating. Our study has shown that some watermarks were removed as results of these transformations.
A Passage to India: India and the Imperial Gaze in Maria Graham's Journal of a Residence in India
Krishan Sen 19세기영어권문학회 2005 19세기 영어권 문학 Vol.9 No.1
This paper analyses the cultural complexities inherent in colonial travel writing in the nineteenth century. To problematize a too facile application of postcolonial theory to colonial writing, the main text examined here is the travel diary of a British Orientalist author, Maria Graham, entitled Journal of a Residence in India (1812), supported by her Letters on India with Etchings and a Map (1814). Graham applied the Romantic and Orientalist aesthetic categories of sensibility and sublimity, and the narrative conventions of the picturesque and the pastoral, to her construction of India. Like other contemporary Orientalists, she filtered India through the lens of the European Classical, and in its wilder aspects, the European Gothic, in order to represent what would otherwise remain alien, exotic, and unapproachable. Yet these historicizing narrative conventions proved themselves inimical to the depiction of historical change in terms of the local and the specific. Graham's Journal, despite its intention of idealizing India, mirrors the Romantic/Orientalist tension between the ideal and the real. The Orientalist colonial text thus reveals itself, not as interpellative and hegemonic, but as caught in the hiatus between project and perception.
‘X’ Shape Slot based Microstrip Fractal Antenna for IEEE 802.11 WLAN
Ram Krishan,김혜진 사단법인 인문사회과학기술융합학회 2016 예술인문사회융합멀티미디어논문지 Vol.6 No.8
In this paper a novel fractal microstrip antenna is proposed for IEEE 802.11 Wireless Local Area Network (WLAN). The geometry of ‘X’ shape slots with dissimilar dimensions is used to design the proposed fractal antenna. The proposed fractal antenna is designed with FR4 Glass Epoxy material. The dielectric constant and thickness of antenna are er=4.4 and 1.6mm. Radiating patch size of proposed antenna is of 35.4mm x 27.82mm with feed width and length 16.4mm and 2.6mm respectively. Proposed fabricated antenna is analyzed for WLAN frequency band of 2.4GHz. Ansoft HFSS simulator software is used to obtain and validate the simulation results of proposed antenna.
Ariyasiri, Krishan,Choi, Tae-Ik,Kim, Oc-Hee,Hong, Ted Inpyo,Gerlai, Robert,Kim, Cheol-Hee Elsevier 2019 Progress in neuro-psychopharmacology & biological Vol.88 No.-
<P><B>Abstract</B></P> <P>Social behavior is a fundamental aspect of our own species, a feature without which our society would not function. There are numerous human brain disorders associated with abnormal social behavior, among them are the autism spectrum disorders whose causal factors include a genetic component. Environmental factors, including drugs of abuse such as alcohol, also contribute to numerous abnormalities related to social behavior. Several such disorders have been modeled using laboratory animals. Perhaps one of the newest among them is the zebrafish. However, the paucity of standardized behavioral assays specifically developed for the zebrafish have hindered progress. Here, we present a newly developed zebrafish behavioral paradigm, the three-chamber social choice task. This task, which was adapted from a murine model, assesses sociality and social novelty preference in zebrafish in three phases: habituation, phase-I to evaluate sociality, and phase-II to quantify social novelty preference. Test fish are placed in the middle chamber, while conspecifics are introduced to the flanking chambers during phase-I and II. Both male and female zebrafish displayed sociality (preference for conspecifics) during phase-I and social novelty preference (preference for unfamiliar conspecifics) during phase-II. We found the paradigm to be able to detect both environmentally (alcohol) as well as genetically (targeted knock out of <I>sam2</I>) induced alterations of behavioral phenotypes. Although ethanol-treated fish displayed similar levels of sociality to those of control (not alcohol exposed) male and female zebrafish, they were found to exhibit significantly impaired social novelty preference, a finding compatible with altered motivational or perhaps mnemonic processes. Moreover, we found that knock out of <I>sam2</I>, previously shown to lead to emotional dysregulation, also disrupted social novelty preference, while leaving sociality relatively intact. We conclude that our novel behavioral paradigm is appropriate for the modeling and quantification of social behavior deficits in zebrafish.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A novel 3-chamber social choice task adopted from the mouse literature is developed for zebrafish. </LI> <LI> Preference for a conspecific, and choice between familiar and unfamiliar conspecifics are quantified. </LI> <LI> Male and female zebrafish displayed strong social behavior and social novelty preference. </LI> <LI> Ethanol treatment impaired social novelty preference but did not affect social behavior. </LI> <LI> Knock out of <I>sam2</I> gene, disrupted both social behavior and social novelty preference. </LI> </UL> </P>
Design and Simulation of Carbon Nanotube Field Effect Transistor based Low Pass Filter
Bal Krishan,Sanjai Kumar Agarwal,Sanjeev Kumar 보안공학연구지원센터 2016 International Journal of Signal Processing, Image Vol.9 No.10
Carbon nanotube is the new material which has ability to replace Si in the future. CNT has remarkable unique properties that make carbon nanotube a promising material in the future. Carbon nanotube field effect transistor is one of the main application of CNTs. Carbon nanotube Field Effect Transistor will play important role in designing of sequential and combinational circuits which are the base of digital computers. Carbon Nanotube Field Effect Transistors have been considered as accompaniment to , future electronic circuit due to the larger current carrier mobility in CNTs compared to bulk silicon. In this research paper, simulation of Low Pass Filter have done at 45 nm technology using hspice. The simulation result of proposed Carbon Nanotube Field Effect Transistor based Low Pass Filter show that the frequency response of Low Pass Filters are working satisfactory. It has applications in the low pass circuits. In electronics, these filters are widely used in many applications. Moreover, it is clear from the Phase response of Carbon Nanotube Field Effect Transistor based Low Pass Filter that it is stable Filter. So, we can use it in powerful conditions where stability is main concern.
Strength Calculation of Short Concrete-filled Steel Tube Columns
Anatoly Leonidovich Krishan,Mariia Anatolyevna Astafeva,Elvira Petrovna Chernyshova 한국콘크리트학회 2019 International Journal of Concrete Structures and M Vol.13 No.2
The aim of this work is to propose a technique to calculate the strength of short concrete-filled steel tube columns under the short-term action of a compressive load, based on the phenomenological approach and the theoretical positions of reinforced concrete mechanics. The main dependencies that allow the realization of the deformation calculation model in practice are considered. A distinctive feature of the proposed approach is the method of the multipoint construction of deformation diagrams for a concrete core and steel shell. In this case, two main factors are taken into account. First, the steel shell and the concrete core work under conditions of a complex stress state. Since the proposed dependencies to determine the strength and the ultimate relative strain of volumetrically compressed concrete are obtained phenomenologically, they are more versatile than the commonly used empirical formulas. In particular, they can be used for self-stressing, fine-grained and other types of concrete. Second, with a step-by-step increase in the relative deformation, the lateral pressure on a concrete core and a steel shell constantly change. Thus, the parametric points of the concrete and steel deformation diagrams also change at each step. This circumstance was not taken into account in earlier calculations. A comparison of the theoretical and experimental results indicates that the practical application of the developed calculation procedure gives a reliable and fairly stable estimate of the stress–strain state and the strength of concrete-filled steel tube columns.