Works by Ram, Tulasi

Results: 74

Fault Signal Recognition in Power Distribution System using Deep Belief Network.

Published in:

Journal of Intelligent Systems, 2020, v. 29, n. 1, p. 459, doi. 10.1515/jisys-2017-0499

By:

Srinivasa Rao, T.C.;
Tulasi Ram, S.S.;
Subrahmanyam, J.B.V.

Publication type:

Article

Characteristics of large-scale wave structure observed from African and Southeast Asian longitudinal sectors.

Published in:

Journal of Geophysical Research. Space Physics, 2014, v. 119, n. 3, p. 2288, doi. 10.1002/2013JA019712

By:

Tulasi Ram, S.;
Yamamoto, M.;
Tsunoda, R. T.;
Chau, H. D.;
Hoang, T. L.;
Damtie, B.;
Wassaie, M.;
Yatini, C. Y.;
Manik, T.;
Tsugawa, T.

Publication type:

Article

First observational evidence for opposite zonal electric fields in equatorial E and F region altitudes during a geomagnetic storm period.

Published in:

Journal of Geophysical Research. Space Physics, 2012, v. 117, n. A9, p. n/a, doi. 10.1029/2012JA018045

By:

Tulasi Ram, S.;
Balan, N.;
Veenadhari, B.;
Gurubaran, S.;
Ravindran, S.;
Tsugawa, T.;
Liu, H.;
Niranjan, K.;
Nagatsuma, T.

Publication type:

Article

Ionospheric and thermospheric storms at equatorial latitudes observed by CHAMP, ROCSAT, and DMSP.

Published in:

Journal of Geophysical Research. Space Physics, 2012, v. 117, n. A1, p. n/a, doi. 10.1029/2011JA016903

By:

Balan, N.;
Liu, J. Y.;
Otsuka, Y.;
Tulasi Ram, S.;
Lühr, H.

Publication type:

Article

Statistics of geomagnetic storms and ionospheric storms at low and mid latitudes in two solar cycles.

Published in:

Journal of Geophysical Research. Space Physics, 2011, v. 116, n. A11, p. n/a, doi. 10.1029/2011JA017042

By:

Vijaya Lekshmi, D.;
Balan, N.;
Tulasi Ram, S.;
Liu, J. Y.

Publication type:

Article

Equatorial electrodynamics and neutral background in the Asian sector during the 2009 stratospheric sudden warming.

Published in:

Journal of Geophysical Research. Space Physics, 2011, v. 116, n. A8, p. n/a, doi. 10.1029/2011JA016607

By:

Liu, Huixin;
Yamamoto, Mamoru;
Tulasi Ram, S.;
Tsugawa, Takuya;
Otsuka, Yuichi;
Stolle, Claudia;
Doornbos, Eelco;
Yumoto, Kiyohumi;
Nagatsuma, Tsutomu

Publication type:

Article

Comment on 'Westward electric field penetration to the dayside equatorial ionosphere during the main phase of the geomagnetic storm on 22 July 2009' by V. Sreeja et al.

Published in:

Journal of Geophysical Research. Space Physics, 2011, v. 116, n. A6, p. n/a, doi. 10.1029/2011JA016634

By:

Tulasi Ram, S.;
Yamamoto, M.;
Liu, H.;
Veenadhari, B.;
Alex, S.

Publication type:

Article

Topside ionospheric effective scale heights ( H<sub> T</sub>) derived with ROCSAT-1 and ground-based ionosonde observations at equatorial and midlatitude stations.

Published in:

Journal of Geophysical Research. Space Physics, 2009, v. 114, n. A10, p. n/a, doi. 10.1029/2009JA014485

By:

Tulasi Ram, S.;
Su, S.-Y.;
Liu, C. H.;
Reinisch, B. W.;
McKinnell, Lee-Anne

Publication type:

Article

FORMOSAT-3/COSMIC observations of seasonal and longitudinal variations of equatorial ionization anomaly and its interhemispheric asymmetry during the solar minimum period.

Published in:

Journal of Geophysical Research. Space Physics, 2009, v. 114, n. A6, p. n/a, doi. 10.1029/2008JA013880

By:

Tulasi Ram, S.;
Su, S.-Y.;
Liu, C. H.

Publication type:

Article

Local time dependent response of postsunset ESF during geomagnetic storms.

Published in:

Journal of Geophysical Research. Space Physics, 2008, v. 113, n. A7, p. n/a, doi. 10.1029/2007JA012922

By:

Tulasi Ram, S.;
Rama Rao, P. V. S.;
Prasad, D. S. V. V. D.;
Niranjan, K.;
Gopi Krishna, S.;
Sridharan, R.;
Ravindran, Sudha

Publication type:

Article

Optimal Location for Fixing Fuel Cells in a Distributed Generation Environment using Hybrid Technique.

Published in:

International Journal on Electrical Engineering & Informatics, 2016, v. 8, n. 3, p. 567, doi. 10.15676/ijeei.2016.8.3.7

By:

Subramanyam, T. C.;
Ram, S. S. Tulasi;
Subrahmanyam, J. B. V.

Publication type:

Article

Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 2. Forcing from below?

Published in:

Progress in Earth & Planetary Science, 2018, v. 5, n. 1, p. 1, doi. 10.1186/s40645-018-0218-1

By:

Ajith, K. K.;
Tulasi Ram, S.;
Carter, B. A.;
Sathish Kumar, S.;
Yamamoto, M.;
Yokoyama, T.;
Gurubaran, S.;
Sripathi, S.;
Hozumi, K.;
Groves, K.;
Caton, R. G.

Publication type:

Article

Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 1. Forcing from above?

Published in:

Progress in Earth & Planetary Science, 2018, v. 5, n. 1, p. 0, doi. 10.1186/s40645-018-0164-y

By:

Carter, Brett A.;
Ram, S. Tulasi;
Yizengaw, Endawoke;
Pradipta, Rezy;
Retterer, John;
Norman, Robert;
Currie, Julie;
Groves, Keith;
Caton, Ronald;
Terkildsen, Michael;
Yokoyama, Tatsuhiro;
Zhang, Kefei

Publication type:

Article

Irresistible Laughter—A Rare Presentation of Intracranial Tumor: Irony of Neurocircuitry.

Published in:

2024

By:

Kaur, Kirandeep;
Panda, Nidhi B.;
Mahajan, Shalvi;
Ram, Tulasi

Publication type:

Case Study

Incipient Fault Diagnosis in Stator Winding of Synchronous Generator: A CMFFLC Technique.

Published in:

IETE Journal of Research, 2019, v. 65, n. 5, p. 667, doi. 10.1080/03772063.2018.1447403

By:

Boorgula, Vidyasagar;
Tulasi Ram, S. S.

Publication type:

Article

WAVELET-FUZZY BASED DIGITAL PROTECTION SCHEME OF FOURTERMINAL TRANSMISSION SYSTEM IN THE PRESENCE OF UPFC.

Published in:

i-Manager's Journal on Electrical Engineering, 2017, v. 10, n. 3, p. 18, doi. 10.26634/jee.10.3.13411

By:

BHASKAR, J. UDAY;
KUMAR, G. RAVI;
RAM, S. S. TULASI

Publication type:

Article

CHARACTERISTIC ANALYSIS OF A DSP CONTROLLED BRUSHLESS DC MOTOR USING MOTION CONTROL KIT-28335.

Published in:

i-Manager's Journal on Electrical Engineering, 2012, v. 6, n. 2, p. 36, doi. 10.26634/jee.6.2.2058

By:

PRASAD, G.;
PRASAD, P. V. N.;
DAS, G. TULASI RAM

Publication type:

Article

Impact of Collective Bargaining of Employees -A Study.

Published in:

Turkish Online Journal of Qualitative Inquiry, 2021, v. 12, n. 8, p. 1802

By:

Radhika, B.;
Ram, S. Tulasi

Publication type:

Article

Super‐Intense Geomagnetic Storm on 10–11 May 2024: Possible Mechanisms and Impacts.

Published in:

Space Weather: The International Journal of Research & Applications, 2024, v. 22, n. 12, p. 1, doi. 10.1029/2024SW004126

By:

Tulasi Ram, S.;
Veenadhari, B.;
Dimri, A. P.;
Bulusu, J.;
Bagiya, M.;
Gurubaran, S.;
Parihar, N.;
Remya, B.;
Seemala, G.;
Singh, Rajesh;
Sripathi, S.;
Singh, S. V.;
Vichare, G.

Publication type:

Article

Empirical Model of Equatorial ElectroJet (EEJ) Using Long‐Term Observations From the Indian Sector.

Published in:

Space Weather: The International Journal of Research & Applications, 2024, v. 22, n. 7, p. 1, doi. 10.1029/2024SW003988

By:

Tulasi Ram, S.;
Ankita, M.;
Nilam, B.;
Gurubaran, S.;
Nair, Manoj;
Seemala, Gopi K.;
Brahmanandam, P. S.;
Dimri, A. P.

Publication type:

Article

Calculating the High-Latitude Ionospheric Electrodynamics Using a Machine Learning-Based Field-Aligned Current Model.

Published in:

Space Weather: The International Journal of Research & Applications, 2024, v. 22, n. 4, p. 1, doi. 10.1029/2023SW003683

By:

Gowtam, V. Sai;
Connor, Hyunju;
Kunduri, Bharat S. R.;
Raeder, Joachim;
Laundal, Karl M.;
Ram, S. Tulasi;
Ozturk, Dogacan S.;
Hampton, Donald;
Chakraborty, Shibaji;
Owolabi, Charles;
Keesee, Amy

Publication type:

Article

Deep Electron Density Depletion Near Sunset Terminator on St. Patrick's Day Storm and Its Impacts on Skywave Propagation.

Published in:

Space Weather: The International Journal of Research & Applications, 2023, v. 21, n. 3, p. 1, doi. 10.1029/2022SW003369

By:

Ankita, M.;
Tulasi Ram, S.;
Ajith, K. K.;
Sripathi, S.

Publication type:

Article

Large Geomagnetically Induced Currents at Equator Caused by an Interplanetary Magnetic Cloud.

Published in:

Space Weather: The International Journal of Research & Applications, 2022, v. 20, n. 6, p. 1, doi. 10.1029/2022SW003111

By:

Nilam, B.;
Tulasi Ram, S.

Publication type:

Article

Power Quality (PQ) Analyses of DG Utilizing Unified Power Quality Conditioner (UPQC) by White Shark Optimizer and Recalling-Enhanced Recurrent Neural Network.

Published in:

Journal of Circuits, Systems & Computers, 2024, v. 33, n. 13, p. 1, doi. 10.1142/S021812662450227X

By:

Shravani, Chapala;
Narasimham, R. L;
Das G, Tulasi Ram

Publication type:

Article

Brownian Loops, Layering Fields and Imaginary Gaussian Multiplicative Chaos.

Published in:

Communications in Mathematical Physics, 2021, v. 381, n. 3, p. 889, doi. 10.1007/s00220-020-03932-9

By:

Camia, Federico;
Gandolfi, Alberto;
Peccati, Giovanni;
Reddy, Tulasi Ram

Publication type:

Article

Multilevel thoracic myelopathy: full-endoscopic solution. Illustrative case.

Published in:

Journal of Neurosurgery Case Lessons, 2024, v. 8, n. 16, p. 1, doi. 10.3171/CASE24413

By:

Sura, Sukumar;
Dave, Harshit;
Mallepally, Abhinandan Reddy;
Reddy, Rajendra;
Tulasi Ram, H. C. V.;
Ravikanti, Padma;
Pagidimarry, Naresh Kumar

Publication type:

Article

Central Limit Theorem for Exponentially Quasi-local Statistics of Spin Models on Cayley Graphs.

Published in:

Journal of Statistical Physics, 2018, v. 173, n. 3/4, p. 941, doi. 10.1007/s10955-018-2026-9

By:

Reddy, Tulasi Ram;
Vadlamani, Sreekar;
Yogeshwaran, D.

Publication type:

Article

Ionospheric electron density profiling and modeling of COSMIC follow-on simulations.

Published in:

Journal of Geodesy, 2016, v. 90, n. 2, p. 129, doi. 10.1007/s00190-015-0861-x

By:

Tsai, L.-C.;
Su, S.-Y.;
Liu, C.;
Tulasi Ram, S.

Publication type:

Article

Adaptive Fuzzy Controller Based Self Regulated Reference Stator Flux Estimator of Direct Torque Control for Three Level Inverter Fed IPMSM.

Published in:

International Journal of Intelligent Engineering & Systems, 2020, v. 13, n. 2, p. 11, doi. 10.22266/ijies2020.0430.02

By:

Kumar, Danduprolu Kiran;
Ram Das, Gaddam Tulasi

Publication type:

Article

Neural network-based allocation and self-improved firefly-based optimal sizing of fuel cells in distributed generation systems.

Published in:

Control & Cybernetics, 2018, v. 47, n. 4, p. 358

By:

Subramanyam, T. C.;
Ram, S. S. Tulasi;
Subrahmanyam, J. B. V.

Publication type:

Article

Power Quality Improvement based on VSHDE Algorithm Incorporating Shunt Active Power Filter.

Published in:

Journal of Electrical Systems, 2023, v. 19, n. 1, p. 1

By:

Babu, B. Mahesh;
Srinivas, L. Ravi;
Karunakar, T.;
Amarendra, A.;
Reddy, Duvvuru Sreenadh;
Ramu, M.;
Kumar, J. N. V. R. Swarup;
Ram, S. S. Tulasi

Publication type:

Article

A ROBUST H-INFINITY CONTROLLER FOR AN ISOLATED BOOST CONVERTER USED IN FUEL CELL APPLICATION.

Published in:

Journal of Electrical Systems, 2019, v. 15, n. 2, p. 197

By:

Madhavi, S. Vijaya;
Das, G. Tulasi Ram

Publication type:

Article

Altitude development of postmidnight F region field-aligned irregularities observed using Equatorial Atmosphere Radar in Indonesia.

Published in:

Geophysical Research Letters, 2016, v. 43, n. 3, p. 1015, doi. 10.1002/2015GL067432

By:

Dao, Tam;
Otsuka, Yuichi;
Shiokawa, Kazuo;
Tulasi Ram, S.;
Yamamoto, Mamoru

Publication type:

Article

On seeding, large-scale wave structure, equatorial spread F, and scintillations over Vietnam.

Published in:

Geophysical Research Letters, 2011, v. 38, n. 20, p. n/a, doi. 10.1029/2011GL049173

By:

Tsunoda, Roland T.;
Yamamoto, Mamoru;
Tsugawa, Takuya;
Hoang, Thai Lan;
Tulasi Ram, S.;
Thampi, Smitha V.;
Chau, Ha Duyen;
Nagatsuma, Tsutomu

Publication type:

Article

Strong thermospheric cooling during the 2009 major stratosphere warming.

Published in:

Geophysical Research Letters, 2011, v. 38, n. 12, p. n/a, doi. 10.1029/2011GL047898

By:

Liu, Huixin;
Doornbos, Eelco;
Yamamoto, Mamoru;
Tulasi Ram, S.

Publication type:

Article

A comparison of ionospheric O<sup>+</sup>/light-ion transition height derived from ion-composition measurements and the topside ion density profiles over equatorial latitudes.

Published in:

Geophysical Research Letters, 2010, v. 37, n. 20, p. n/a, doi. 10.1029/2010GL045199

By:

Tulasi Ram, S.;
Liu, C. H.;
Su, S.-Y.;
Heelis, R. A.

Publication type:

Article

Dayside ionospheric response to recurrent geomagnetic activity during the extreme solar minimum of 2008.

Published in:

Geophysical Research Letters, 2010, v. 37, n. 2, p. n/a, doi. 10.1029/2009GL041038

By:

Tulasi Ram, S.;
Lei, J.;
Su, S.-Y.;
Liu, C. H.;
Lin, C. H.;
Chen, W. S.

Publication type:

Article

PREDICTIVE CURRENT CONTROL FOR ZERO D-AXIS CURRENT CONTROL OF PMSG BASED WIND ENERGY CONVERSION SYSTEM.

Published in:

i-Manager's Journal on Power Systems Engineering, 2018, v. 6, n. 2, p. 20, doi. 10.26634/jps.6.2.15295

By:

PIDIKITI, TRIPURA;
RAM DAS, G. TULASI

Publication type:

Article

A new parameter of geomagnetic storms for the severity of space weather.

Published in:

2016

By:

Balan, N.;
Batista, I.;
Tulasi Ram, S.;
Rajesh, P.

Publication type:

Letter

Variable structure control for an isolated boost converter used in fuel cell applications.

Published in:

International Journal of Electrical & Computer Engineering (2088-8708), 2019, v. 9, n. 6, p. 4493, doi. 10.11591/ijece.v9i6.pp4493-4506

By:

Madhavi, S. Vijaya;
Das, G. Tulasi Ram

Publication type:

Article

Simulation and Analysis of Modified DTC of PMSM.

Published in:

International Journal of Electrical & Computer Engineering (2088-8708), 2018, v. 8, n. 5, p. 2894, doi. 10.11591/ijece.v8i5.pp2895-2903

By:

Kiran Kumar, D.;
Tulasi Ram Das, G.

Publication type:

Article

Satellite Traces: Ionogram Signatures of Bottom‐Side Upwelling Structures ‐ A Simulation Study.

Published in:

Geophysical Research Letters, 2025, v. 52, n. 7, p. 1, doi. 10.1029/2024GL114119

By:

Ankita, M.;
Tulasi Ram, S.;
Yokoyama, T.;
Tsunoda, R. T.;
Dimri, A. P.;
Mondal, S.;
Nayak, Chinmaya

Publication type:

Article

Dilatory and Downward Development of 3‐m Scale Irregularities in the Funnel‐Like Region of a Rapidly Rising Equatorial Plasma Bubble.

Published in:

Geophysical Research Letters, 2020, v. 47, n. 13, p. 1, doi. 10.1029/2020GL087256

By:

Tulasi Ram, S.;
Ajith, K. K.;
Yokoyama, T.;
Yamamoto, M.;
Hozumi, K.;
Shiokawa, K.;
Otsuka, Y.;
Li, G.

Publication type:

Article

Topside Low‐Latitude Ionospheric Response to the 10–11 May 2024 Super Geomagnetic Storm as Observed by Swarm: The Strongest Storm‐Time Super‐Fountain During the Swarm Era?

Published in:

Journal of Geophysical Research. Space Physics, 2025, v. 130, n. 3, p. 1, doi. 10.1029/2024JA033340

By:

Nayak, Chinmaya;
Buchert, Stephan;
Yiğit, Erdal;
Ankita, M.;
Singh, Satyavir;
Tulasi Ram, S.;
Dimri, A. P.

Publication type:

Article

Role of Impact Angle on Equatorial Electrojet (EEJ) Response to Interplanetary (IP) Shocks.

Published in:

Journal of Geophysical Research. Space Physics, 2024, v. 129, n. 6, p. 1, doi. 10.1029/2024JA032638

By:

Nilam, B.;
Tulasi Ram, S.;
Oliveira, Denny M.;
Dimri, A. P.

Publication type:

Article

Equatorial Electrojet (EEJ) Response to Interplanetary (IP) Shocks.

Published in:

Journal of Geophysical Research. Space Physics, 2023, v. 128, n. 12, p. 1, doi. 10.1029/2023JA032010

By:

Nilam, B.;
Tulasi Ram, S.;
Ankita, M.;
Oliveira, Denny M.;
Dimri, A. P.

Publication type:

Article

Diurnal UT Variation of Low Latitude Geomagnetic Storms Using Six Indices.

Published in:

Journal of Geophysical Research. Space Physics, 2021, v. 126, n. 10, p. 1, doi. 10.1029/2020JA028854

By:

Balan, N.;
Ram, S. Tulasi;
Manu, V.;
Zhao, Lingxin;
Xing, Zan‐Yang;
Zhang, Qing‐He

Publication type:

Article

Effects of IMF By on Ring Current Asymmetry Under Southward IMF Bz Conditions Observed at Ground Magnetic Stations: Case Studies.

Published in:

Journal of Geophysical Research. Space Physics, 2020, v. 125, n. 10, p. 1, doi. 10.1029/2019JA027493

By:

Kumar, Sandeep;
Veenadhari, B.;
Chakrabarty, D.;
Tulasi Ram, S.;
Kikuchi, T.;
Miyoshi, Y.

Publication type:

Article

On the Seeding of Periodic Equatorial Plasma Bubbles by Gravity Waves Associated With Tropical Cyclone: A Case Study.

Published in:

Journal of Geophysical Research. Space Physics, 2020, v. 125, n. 10, p. 1, doi. 10.1029/2020JA028003

By:

Ajith, K. K.;
Li, Guozhu;
Tulasi Ram, S.;
Yamamoto, M.;
Hozumi, K.;
Abadi, Prayitno;
Xie, Haiyong

Publication type:

Article

The Solar Wind Density Control on the Prompt Penetration Electric Field and Equatorial Electrojet.

Published in:

Journal of Geophysical Research. Space Physics, 2020, v. 125, n. 9, p. 1, doi. 10.1029/2020JA027869

By:

Nilam, B.;
Ram, S. Tulasi;
Shiokawa, K.;
Balan, N.;
Zhang, Q.

Publication type:

Article