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15 results on '"Kaleeswari M"'

4. The First Differentiated TB Care Model From India: Delays and Predictors of Losses in the Care Cascade

Author

Shewade, Hemant Deepak, primary, Frederick, Asha, additional, Kiruthika, G., additional, Kalyanasundaram, Madhanraj, additional, Chadwick, Joshua, additional, Rajasekar, T. Daniel, additional, Gayathri, K., additional, Vijayaprabha, R., additional, Sabarinathan, R., additional, Kathiresan, Jeyashree, additional, Bhavani, P.K., additional, Aarthi, S., additional, Suma, K.V., additional, Pathinathan, Delphina Peter, additional, Parthasarathy, Raghavan, additional, Nivetha, M. Bhavani, additional, Thampi, Jerome G., additional, Chidambaram, Deiveegan, additional, Bhatnagar, Tarun, additional, Lokesh, S., additional, Devika, Shanmugasundaram, additional, Laux, Timothy S., additional, Viswanathan, Stalin, additional, Sridhar, R., additional, Krishnamoorthy, K., additional, Sakthivel, M., additional, Karunakaran, S., additional, Rajkumar, S., additional, Ramachandran, M., additional, Kanagaraj, K.D., additional, Kaleeswari, M., additional, Durai, V.P., additional, Saravanan, R., additional, Sugantha, A., additional, Khan, S. Zufire Hassan Mohamed, additional, Sangeetha, P., additional, Vasudevan, R., additional, Nedunchezhian, R., additional, Sankari, M., additional, Jeevanandam, N., additional, Ganapathy, S., additional, Rajasekaran, V., additional, Mathavi, T., additional, Rajaprakash, A.R., additional, Murali, Lakshmi, additional, Pugal, U., additional, Sundaralingam, K., additional, Savithri, S., additional, Vellasamy, S., additional, Dheenadayal, D., additional, Ashok, P., additional, Jayasree, K., additional, Sudhakar, R., additional, Rajan, K.P., additional, Tharageshwari, N., additional, Chokkalingam, D., additional, Anandrajkumar, S.M., additional, Selvavinayagam, T.S., additional, Padmapriyadarshini, C., additional, Ramachandran, Ranjani, additional, and Murhekar, Manoj V., additional

Published
2023
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5. ­­Eleven tips for operational researchers working with health programmes: our experience based on implementing differentiated tuberculosis care in south India

Author

Shewade, Hemant Deepak, primary, Frederick, Asha, additional, Kalyanasundaram, Madhanraj, additional, Chadwick, Joshua, additional, Kiruthika, G., additional, Rajasekar, T. Daniel, additional, Gayathri, K., additional, Vijayaprabha, R., additional, Sabarinathan, R., additional, Shivakumar, Shri Vijay Bala Yogendra, additional, Jeyashree, Kathiresan, additional, Bhavani, P. K., additional, Aarthi, S., additional, Suma, K. V., additional, Pathinathan, Delphina Peter, additional, Parthasarathy, Raghavan, additional, Nivetha, M. Bhavani, additional, Thampi, Jerome G., additional, Chidambaram, Deiveegan, additional, Bhatnagar, Tarun, additional, Lokesh, S., additional, Devika, Shanmugasundaram, additional, Laux, Timothy S., additional, Viswanathan, Stalin, additional, Sridhar, R., additional, Krishnamoorthy, K., additional, Sakthivel, M., additional, Karunakaran, S., additional, Rajkumar, S., additional, Ramachandran, M., additional, Kanagaraj, K. D., additional, Kaleeswari, M., additional, Durai, V. P., additional, Saravanan, R., additional, Sugantha, A., additional, Khan, S. Zufire Hassan Mohamed, additional, Sangeetha, P., additional, Vasudevan, R., additional, Nedunchezhian, R., additional, Sankari, M., additional, Jeevanandam, N., additional, Ganapathy, S., additional, Rajasekaran, V., additional, Mathavi, T., additional, Rajaprakash, A. R., additional, Murali, Lakshmi, additional, Pugal, U., additional, Sundaralingam, K., additional, Savithri, S., additional, Vellasamy, S., additional, Dheenadayal, D., additional, Ashok, P., additional, Jayasree, K., additional, Sudhakar, R., additional, Rajan, K. P., additional, Tharageshwari, N., additional, Chokkalingam, D., additional, Anandrajkumar, S. M., additional, Selvavinayagam, T. S., additional, Padmapriyadarsini, C., additional, Ramachandran, Ranjani, additional, and Murhekar, Manoj V., additional

Published
2023
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8. PV based water pumping system for agricultural irrigation

Author

K Vijayakumar, Binshad T, and Kaleeswari M

Subjects
Water pumping, Engineering, 021103 operations research, business.industry, 020208 electrical & electronic engineering, Photovoltaic system, Fossil fuel, 0211 other engineering and technologies, Environmental engineering, Energy Engineering and Power Technology, 02 engineering and technology, Automotive engineering, Boost converter, 0202 electrical engineering, electronic engineering, information engineering, Grid-connected photovoltaic power system, Inverter, Electricity, business, Induction motor
Abstract

This paper investigates the operation and analysis of the photovoltaic water pumping system in detail. Power electronic controllers were designed and developed for the water pumping system using a boost converter along with an inverter followed by an induction motor pump set. The proposed system could be employed in agricultural irrigation under any operating condition of varying natures of solar irradiances and temperatures. The configuration and implementation of the system were described in detail. Further, the detailed method of analysis and simulation characteristics of such PV water pumping system was also presented.With the concern of shortage of fossil fuel, global warming and energy security, the proposed PV based water pumping system can meet the significant demand of electricity and serve for the agricultural sector.

Published
2016

9. Comparative study on steady state performance of wind-driven DFIG system

Author

M Madheswaran, K Vijayakumar, and Kaleeswari M

Subjects
Wind power, Steady state, Computer science, business.industry, Environmental pollution, AC power, Power (physics), Control theory, Electric power, business, Synchronous motor, MATLAB, computer, computer.programming_language
Abstract

It is significant importance to develop sustainable renewable energy sources due to fast depletion of conventional sources and the environmental pollution caused by them. Wind energy conversion system have been given much attention for generation of electrical power. This paper presents the wind driven doubly fed induction generator(DFIG) based variable speed operation in detail. The control strategy and power electronic converter structure for variable speed constant frequency mode of operation for sub synchronous and super synchronous speed is analyzed and presented. Further, the detailed steady state performance analysis of the DFIG system has been carried out and presented in the manuscript. The presented steady state analysis can be used for grid connected and stand alone applications. Moreover, a simplified analysis has also been proposed and developed along with conventional method. To validate the proposed simplified method, MATLAB program has been formulated for the predetermination. The predetermined results are compared with conventional method for verification. Finally, the experimental results are obtained by using a laboratory prototype machine and compared with predetermined values for validate the proposed method of steady state analysis of DFIG system.

Published
2018

10. Investigation on PV fed hybrid electric vehicles with various power electronic circuits

Author

M Madheswaran, K Vijayakumar, and Kaleeswari M

Subjects
Reliability (semiconductor), business.product_category, Computer science, Electric vehicle, Photovoltaic system, Energy transformation, business, Hybrid vehicle, Automotive engineering, Energy storage, Power (physics), Electronic circuit
Abstract

This paper presents the detailed investigation on PV fed hybrid electric vehicles with energy storage system. Significant growth of sustainable energy system leads to development of transportation sector with clean energy sources for better environment condition. Recent configuration in hybrid vehicle system along with merits and demerits are discussed in the paper. Further, battery management system and various power converter topologies for electric vehicle system is presented for enhancing the performance and reliability of the vehicles. Various operating modes are identified with various electrical parameters and presented for efficient power conversion.

Published
2017

11. A modified power electronic converter topology for stand-alone photovoltaic power generation system

Author

Kaleeswari M, K Vijayakumar, M Madheswaran, and Binshad T

Subjects
Forward converter, Total harmonic distortion, Engineering, Buck converter, business.industry, 020209 energy, 020208 electrical & electronic engineering, Ćuk converter, Buck–boost converter, Topology (electrical circuits), 02 engineering and technology, Topology, Boost converter, 0202 electrical engineering, electronic engineering, information engineering, Electronic engineering, Inverter, business
Abstract

This paper presents a modified power electronic converter topology for photovoltaic water pumping system for agricultural irrigation. The proposed topology employs a general H-bridge inverter with front end buck converter. By using the configuration with suitable firing pulse to the buck converter, any number of levels in the output of the inverter can be produced. In the proposed converter, the duty cycle of the buck converter is appropriately adjusted to produce M-level unidirectional piecewise output. The unidirectional stepped wave is inverted by an H-bridge inverter which produces a stepped AC waveform, with the level of N=2M−1. The proposed modified topology has employed with a lesser number of switches as compared to the conventional multilevel inverter topologies. The entire system was simulated using MATLAB/Simulink platform and results are furnished. Further, total harmonic distortion analysis of the proposed converter with water pumping system have been carried out and presented in this paper.

Published
2016

14. Resistance Profiles to Second-Line Anti-Tuberculosis Drugs and Their Treatment Outcomes: A Three-Year Retrospective Analysis from South India

Author

Radha Gopalaswamy, Nandhini Palani, Dinesh Viswanathan, Bershila Preysingh, Suchithra Rajendran, Vaishnavee Vijayaraghavan, Kannadasan Thangavel, Senthil Devi Vadivel, Hannah Stanley, Kannan Thiruvengadam, Lavanya Jayabal, Kaleeswari Murugesan, Sridhar Rathinam, Asha Frederick, Gomathi Sivaramakrishnan, Chandrasekaran Padmapriyadarsini, and Sivakumar Shanmugam

Subjects
fluoroquinolone, resistance, treatment regimen, mutations, LPA, NGS, Medicine (General), R5-920
Abstract

Background: Patients with first-line drug resistance (DR) to rifampicin (RIF) or isoniazid (INH) as a first-line (FL) line probe assay (LPA) were subjected to genotypic DST using second-line (SL) LPA to identify SL-DR (including pre-XDR) under the National TB Elimination Program (NTEP), India. SL-DR patients were initiated on different DR-TB treatment regimens and monitored for their outcomes. The objective of this retrospective analysis was to understand the mutation profile and treatment outcomes of SL-DR patients. Materials and Methods: A retrospective analysis of mutation profile, treatment regimen, and treatment outcome was performed for SL-DR patients who were tested at ICMR-NIRT, Supra-National Reference Laboratory, Chennai between the years 2018 and 2020. All information, including patient demographics and treatment outcomes, was extracted from the NTEP Ni-kshay database. Results: Between 2018 and 2020, 217 patients out of 2557 samples tested were identified with SL-DR by SL-LPA. Among them, 158/217 were FQ-resistant, 34/217 were SLID-resistant, and 25/217 were resistant to both. D94G (Mut3C) of gyrA and a1401g of rrs were the most predominant mutations in the FQ and SLID resistance types, respectively. Favorable (cured and treatment complete) and unfavorable outcomes (died, lost to follow up, treatment failed, and treatment regimen changed) were recorded in a total of 82/217 and 68/217 patients in the NTEP Ni-kshay database. Conclusions: As per the testing algorithm, SL- LPA is used for genotypic DST following identification of first-line resistance, for early detection of SL-DR in India. The fluoroquinolone resistance pattern seen in this study population corelates with the global trend. Early detection of fluoroquinolone resistance and monitoring of treatment outcome can help achieve better patient management.

Published
2023
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