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6 results on '"Satish, A."'

1. Magnetically Integrated Multiport Converter for Energy Management in DC-Powered Buildings

Author

Edivan Laercio Carvalho, Andrii Chub, Andrei Blinov, Satish Naik Banavath, and Dmitri Vinnikov

Subjects
bidirectional power flow, dc-powered buildings, energy efficient buildings, multiport converters, isolated converters, Electrical engineering. Electronics. Nuclear engineering, TK1-9971
Abstract

Multiport converters have gained attention in the last few years as a key component for dc-powered buildings, more electric aircraft, and maritime applications. For buildings, the prevalence of dc appliances and electronic loads increases the need for efficient integration with both ac grid and local generation. Ac-dc multiport converters play an important role in this integration because dc distribution has been considered for power integration in modern buildings. In addition, the growing complexity of loads and sources within buildings has driven interest in developing flexible solutions to provide highly efficient integration. Furthermore, ongoing developments in standardization for in-building dc grids underscore the importance of considering specific requirements for future designs. This paper proposes a multiport power converter (ac/dc/dc) to integrate dc-powered buildings into an ac grid. By providing a multiport solution, it is possible to reduce the power processing stages and the component count. To evaluate the effectiveness of this concept, a 5-kW prototype was built and tested, including efficiency evaluation. In addition, emerging standards are discussed to tailor the power converter design for building applications.

Published
2024
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2. Effectiveness of Transcutaneous Electrical Nerve Stimulation Therapy on whole Salivary Flow in Patients with Xerostomia and Healthy Adults

Author

Satish Chhugani, Gunjan Khatwani Chhugani, Abhishek Sahu Vishwa Pratap, Lokesh Adwani, Supreet Jain, and Santosh Rayagouda Patil

Subjects
Saliva, Transcutaneous Electric Nerve Stimulation, Xerostomia, Dentistry, RK1-715
Abstract

Objective: To evaluate and compare the effectiveness of transcutaneous electrical nerve stimulation (TENS) therapy on whole salivary flow in patients with xerostomia and healthy adults. Material and Methods: Thirty subjects with a history of xerostomia and subjects with unstimulated salivary flow equal to or less than 0.5 ml in 5 min were included in the study group, and 30 healthy subjects were included in the control group. Low forced spitting unstimulated saliva was collected for five minutes in a test tube fitted with a funnel. Then electrode pads of the TENS unit were applied bilaterally on skin overlying the parotid glands and at optimal intensity, stimulated saliva was collected for 5 minutes with the same method in a separate graduated test tube. The salivary flow rate (per minute) was calculated by dividing the amount of collected saliva (volume in mL) by the duration of collection period (5 minutes) and the salivary flow rates prior and after electrostimulation were compared for both groups. The Student’s t-test (unpaired and paired) was performed for group-wise comparisons. Results: In study group, the mean unstimulated salivary flow rate was 0.07 ± 0.01 mL/min. There was an 85.71% increase in salivary flow (0.13 ± 0.03 mL/min) during the TENS application and the difference was highly significant (p0.05). Conclusion: TENS can be an effective therapy in increasing whole salivary flow rates in patients with xerostomia.

Published
2021

5. Comparação do uso de implante de Silastic(r) com titânio pré-fabricado na tireoplastia tipo I

Author

Malik,Akshat, Ramalingam,WVBS, Nilakantan,Ajith, Nair,Satish, Ramesh,AV, and Raj,Poonam

Subjects
Análise de custo-benefício, Voicequality, Vocal cord paralysis, Cost-efficiency analysis, Paralisia das cordas vocais, lcsh:Otorhinolaryngology, lcsh:RF1-547, Qualidade da voz
Abstract

Introdução: A tireoplastia tipo I é o tratamento de escolha nas paralisias unilaterais das pregas Análise de custo-bene-vocais que não se recuperam espontaneamente. fício. Objetivos: Comparar o uso de implante de Silastic® com o uso de titânio pré-fabricado TVFMI® (Titanium Vocal Fold Medializing Implant) na tireoplastia tipo I para o tratamento da paralisia unilateral das pregas vocais com relação à melhora subjetiva e objetiva da voz, às alterações endoscópicas nas pregas vocais, ao tempo de cirurgia e à relação custo-benefício. Método: Trata-se de um estudo prospectivo com 40 pacientes portadores de paralisia unilateral das pregas vocais submetidos à tireoplastia tipo I com implante de silastic® ou TVFMI®. A avaliação e comparação estatística foram realizadas antes e quatro semanas depois da cirurgia por meio de videolaringoscopia, estroboscopia, análise perceptiva (escala GRBAS-Grade, Roughness, Breathiness, Asthenia, Strain) e subjetiva (IDV-índice de desvantagem vocal) da voz e avaliação eletroglotográfica e avaliação acústica computadorizada. Também foram observados o tempo de cirurgia e o custo do implante. Resultados: Embora os dois implantes mostrem melhora na qualidade da voz após a tireoplastia, o TVFMI® teve um resultado ligeiramente melhor na análise objetiva da voz. O TVFMI® levou menos tempo de cirurgia para ser inserido, porém foi mais caro. Conclusão: O TVFMI® poderá ser preferencial na tireoplastia de medialização, já que possui melhores resultados vocais e leva menos tempo de cirurgia, porém é mais caro que o implante de Silastic®. Introduction: Type I thyroplasty is the treatment of choice for unilateral vocal cord palsy with no spontaneous recovery. Objectives: To compare the use of silastic implant with titanium vocal fold medializing implant (TVFMI®) in type I thyroplasty for unilateral vocal cord palsy with respect to subjective and objective improvement in voice, endoscopic changes in vocal cords, surgical time, and cost effectiveness. Methodology: This was a prospective study conducted on 40 patients with unilateral vocal cord paralysis who underwent type I thyroplasty with either silastic implant or TVFMI®. Pre-operative and four-week post-operative assessment and statistical comparison were performed by videolaryngoscopy, stroboscopy, perceptual assessment (GRBAS), subjective (voice handicap index) analysis of voice, and computer-assisted acoustic and electroglottographic assessment. The duration of surgery and cost of implant were also recorded. Results: Although both implants showed improvement in quality of voice following thyroplasty, TVFMI® presents slightly better results in objective voice analysis. The surgery time for TVFMI®insertion was shorter, but the costs were higher. Conclusion: TVFMI® may be preferred for medialization thyroplasty as it presents better voice results and demands less surgical time; however, it is costlier than silastic implant.

Published
2014

6. Colaboradores

Author

Adappa, Nithin D., Adelson, Robert T., Antunes, Marcelo B., Becker, Daniel G., Becker, Samuel S., Bleier, Benjamin S., Blount, Angela, Chandra, Rakesh K., Chiu, Alexander G., Citardi, Martin, Cohen, Noam, Conley, David B., Fakhri, Samer, Fernandez, Francisca I., Filho, Leonardo Lopes Balsalobre, Govindaraj, Satish, Harvey, Richard J., Hwang, Peter H., Iloreta, Alfred Marc C., Jaber, James J., Joe, Stephanie A., Kingdom, Todd T., Lee, Jivianne T., Lee, John M., Leung, Randy, Luong, Amber, Man, Li-Xing, Mantravadi, Avinash V., Naidoo, Yuresh, Nayak, Jayakar V., O’Malley, Bert W., Jr., Orlandi, Richard R., Palmer, James N., Pearlman, Aaron N., Phillips, P. Seamus, Pignatari, Shirley Shizue Nagata, Pittman, Amy L., Ramakrishnan, Vijay R., Reed, Jeremy, Sacks, Raymond, Schlosser, Rodney J., Simonsen, Andrew R., Sindwani, Raj, Son, Hwa J., Stamm, Aldo Cassol, Suh, Jeffrey D., Tsao, Gabriel J., Turner, Justin H., Vandergrift, William Alexander, III, Wang, Eric W., Waters, Heather H., Welch, Kevin C., Woodworth, Bradford A., and Wormald, P.J.

Published
2014
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