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MALAR, K.,ILAVARASI, R.,CHALISHAJAR, D.N. The Korean Society for Computational and Applied M 2022 Journal of applied and pure mathematics Vol.4 No.3/4
In the article, we handle with the existence and controllability results for fractional impulsive neutral functional integro-differential equation in Banach spaces. We have used advanced phase space definition for infinite delay. State dependent infinite delay is the main motivation using advanced version of phase space. The results are acquired using Schaefer's fixed point theorem. Examples are given to illustrate the theory.
MALAR, K.,GOWRISANKAR, C. The Korean Society for Computational and Applied M 2022 Journal of applied mathematics & informatics Vol.40 No.5-6
This paper focuses on the existence and uniqueness outcome for fractional integro-differential equation (FIDE) among impulsive edge condition and Hyers-Ulam-Rassias Stability (HURS) by using fractional calculus and some fixed point theorem in some weak conditions. The outcome procured in this paper upgrade and perpetuate some studied solutions.
Relation between Aid for Trade and Export Structure of Developing Countries
( Malar Ung ) 한국EU학회 2012 Asia-Pacific Journal of EU Studies Vol.10 No.2
With the original purpose of improving export performance and economic growth, the Aid for Trade (AfT) program is known for improving trade facilitation, transportation, capacity development and market access, which all lead to increasing export performance in recipient countries. Moreover, the shift in world trade with an increase of medium and high technology exports rather than low technology exports has created one question about the relation between AfT and the export structures of developing countries. The empirical results clarify that the relation of AfT with the export performance of developing countries as well as bilateral trade between donors and recipient countries is statistically positive. However, regarding bilateral trade, AfT has a statistically positive relation with the export of low technology and the import of medium technology.
K. Malar,R. Ilavarasi,Dimplekumar Chalishajar 한국전산응용수학회 2022 Journal of Applied and Pure Mathematics Vol.4 No.3
In the article, we handle with the existence and controllability results for fractional impulsive neutral functional integro-differential equation in Banach spaces. We have used advanced phase space definition for infinite delay. State dependent infinite delay is the main motivation using advanced version of phase space. The results are acquired using Schaefer's fixed point theorem. Examples are given to illustrate the theory.
Power System Planning and Cost Forecasting Using Hybrid Particle Swarm-Harris Hawks Optimizations
Gnana Malar A. Jasmine,Sellamuthu Suseela,Ganga M.,Mahendran N.,Hoseinzadeh Siamak,Ahilan A. 대한전기학회 2024 Journal of Electrical Engineering & Technology Vol.19 No.2
Hybrid renewable-based power production has emerged as a crucial development in the electrical power system because to its ability to supply consumers with cost-efective and carbon-free electricity. Incorporating several renewable energy sources and storage systems with a grid-connected system necessitates extra design requirements, which raising the renewable system’s overall cost. Therefore, optimizing the size of the components is essential to minimizing the cost of the system and limiting its negative impacts. This paper presents a hybrid of Particle Swarm Optimization (PSO) and Harris Hawks Optimization (HHO) known as PSHHO technique-based economic analysis of smart grid (SG) Hybrid Renewable Energy Systems (HRES). Here, the hybrid PSHHO approach is presented to tackle the problem of HRES cost analysis. The major purpose of this study is to minimize the system cost and increase overall system efciency. Finally, the proposed approach is tested in the MATLAB tool, and the performance of the proposed method is compared with other existing methods such as HHO, PSO, and WOA. The result demonstrates the proposed system can meet the load demand with low Cost of Energy (COE) (21.5 Rs/kWh) than existing methods.
Au@TiO<sub>2</sub>/reduced graphene oxide nanocomposites for lithium-ion capacitors
Auxilia, Francis Malar,Jang, Jaewon,Jang, Kyunghoon,Song, Hayong,Ham, Moon-Ho Elsevier 2019 Chemical engineering journal Vol.362 No.-
<P><B>Abstract</B></P> <P>To meet the overwhelming demands of next-generation energy storage devices, efforts to develop advanced electrode materials with excellent specific capacity/capacitance and cyclic durability are underway. In this study, we develop hierarchical ternary composites based on Au@TiO<SUB>2</SUB> core-shell nanoparticles anchored onto reduced graphene oxide nanosheets through a one-pot hydrothermal method. These composites can be utilized as anodes for electrochemical lithium storage. The ternary composite anodes deliver a high specific capacity of 905 mAh g<SUP>−1</SUP> at 100 mA g<SUP>−1</SUP> after 100 cycles, accompanied by good rate capability. Hybrid lithium-ion capacitors with Au@TiO<SUB>2</SUB>/reduced graphene oxide anodes and activated carbon cathodes show a maximum energy density of 110 Wh kg<SUP>−1</SUP> and power density of 11 kW kg<SUP>−1</SUP>, along with excellent capacitance retention of 83%, even after 1000 cycles. This suggests that our composites have potential as electrode materials for high-performance supercapacitors.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A hierarchical ternary composite of Au@TiO<SUB>2</SUB>/RGO is developed. </LI> <LI> The composite consists of Au@TiO<SUB>2</SUB> core-shell nanoparticles onto RGO sheets. </LI> <LI> The composite is used as an anode for a hybrid Li-ion capacitor. </LI> <LI> The energy density of 110 Wh kg<SUP>−1</SUP> and power density of 11 kW kg<SUP>−1</SUP> are achieved. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Sally Anne Malar Param 숙명여자대학교 아시아여성연구원 2015 Asian Women Vol.31 No.2
This article looks into the realities of Indian middle-class working mothers in contemporary Malaysia, as they negotiate their identity in a rapidly globalizing society. In Malaysia, the national agenda calls for middle-class Malaysian women to enter the workforce and produce healthy families: this is the national image of “successful” working motherhood. However, in most public discussion about this image, Indian middle-class working mothers have remained absent. This is in line with their mutedness in dominant public culture. In this paper, I will explore Indian women’s everyday middle-class interactions as they negotiate the gendered spaces of education, work, and the home. Women’s lived realities reveal how they struggle to carve out an identity amidst the intersection of gendered and racial politics. By exploring the quotidian journey of Malaysian Indian middle-class working mothers, I challenge national narratives where they have remained silent.
Dimplekumar Chalishajar,A. Anguraj,K. Ravikumar,K. Malar 한국전산응용수학회 2022 Journal of Applied and Pure Mathematics Vol.4 No.5
This manuscript deals with the exact (complete) controllability of semilinear stochastic differential equations with infinite delay and Poisson jumps utilizing some basic and readily verified conditions. The results are obtained by using fixed-point approach and by using advance phase space definition for infinite delay part. We have used the axiomatic definition of the phase space in terms of stochastic process to consider the time delay of the system. An infinite delay along with the Poisson jump is the new investigation for the given stochastic system. An example is given to illustrate the effectiveness of the results.
Elitist Harris Hawks Optimized Voltage Stability Enhancement in Radial Distribution System
Isha G.,Jagatheeswari P.,Jasmine Gnana Malar A. 대한전기학회 2023 Journal of Electrical Engineering & Technology Vol.18 No.4
In this paper, a novel Elitist Harris Hawks Optimization (EHHO) algorithm is presented for multi-objective function by optimal location and size of the photovoltaic (PV) and distribution static compensators (DSTATCOM). The multi-objective function includes power loss reduction, voltage profile enhancement, and voltage stability improvement in Distributed Generation (DG). The proposed EHHO algorithm is used to calculate the size and search for the finest location of PV and DSTATCOM. The Newton–Raphson technique is applied to analyse the load flow. To demonstrate the performance of the proposed method, IEEE 30-bus Radial Distribution System (RDS) test system is used, and compared with the FLSA, IWHO, TLBO, and BONMIN algorithms under various loading conditions. According to simulation results, the proposed EHHO method is more effective at supporting power loss reduction, improves voltage profile and voltage stability, in distribution networks than other existing algorithms. The proposed EHHO method has a Voltage Stability Index value of 0.9879 p. u and a loss of power value of 39.2908 kW.
D.N., CHALISHAJAR,A., ANGURAJ,K., RAVIKUMAR,K., MALAR The Korean Society for Computational and Applied M 2022 Journal of applied and pure mathematics Vol.4 No.5
This manuscript deals with the exact (complete) controllability of semilinear stochastic differential equations with infinite delay and Poisson jumps utilizing some basic and readily verified conditions. The results are obtained by using fixed-point approach and by using advance phase space definition for infinite delay part. We have used the axiomatic definition of the phase space in terms of stochastic process to consider the time delay of the system. An infinite delay along with the Poisson jump is the new investigation for the given stochastic system. An example is given to illustrate the effectiveness of the results.