Search Results - "Rajagopalan, Satish"

Nonstationary Motor Fault Detection Using Recent Quadratic Time-Frequency Representations by Rajagopalan, S., Restrepo, J.A., Aller, J.M., Habetler, T.G., Harley, R.G.

“…As the use of electric motors increases in the aerospace and transportation industries where operating conditions continuously change with time, fault…”
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Dynamic Eccentricity and Demagnetized Rotor Magnet Detection in Trapezoidal Flux (Brushless DC) Motors Operating Under Different Load Conditions by Rajagopalan, S., Roux, W., Habetler, T.G., Harley, R.G.

“…Brushless dc (BLDC) machines are finding increasing use in applications that demand high and rugged performance. Automotive and aerospace are some such areas…”
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Analytic-Wavelet-Ridge-Based Detection of Dynamic Eccentricity in Brushless Direct Current (BLDC) Motors Functioning Under Dynamic Operating Conditions by Rajagopalan, S., Aller, J.M., Restrepo, J.A., Habetler, T.G., Harley, R.G.

“…A new method using the analytic wavelet transform of the stator-current signal is proposed for detecting dynamic eccentricity in brushless direct current…”
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Detection of Rotor Faults in Brushless DC Motors Operating Under Nonstationary Conditions by Rajagopalan, S., Aller, J.M., Restrepo, J.A., Habetler, T.G., Harley, R.G.

“…There are several applications where the motor is operating in continuous nonstationary operating conditions. Actuators and servo motors in the aerospace and…”
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Hardware Implementation of a Mamdani Fuzzy Logic Controller for a Static Compensator in a Multimachine Power System by Mohagheghi, S., Venayagamoorthy, G.K., Rajagopalan, S., Harley, R.G.

“…A Mamdani-type fuzzy logic controller is designed and implemented in hardware for controlling a static compensator (STATCOM), which is connected to a ten-bus…”
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PANDA: Extreme Scale Parallel K-Nearest Neighbor on Distributed Architectures by Patwary, Md. Mostofa Ali, Satish, Nadathur Rajagopalan, Sundaram, Narayanan, Liu, Jialin, Sadowski, Peter, Racah, Evan, Byna, Suren, Tull, Craig, Bhimji, Wahid, Prabhat, Dubey, Pradeep

“…Computing $k$-Nearest Neighbors (KNN) is one of the core kernels used in many machine learning, data mining and scientific computing applications. Although…”
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Current/Voltage-Based Detection of Faults in Gears Coupled to Electric Motors by Rajagopalan, S., Habetler, T.G., Harley, R.G., Sebastian, T., Lequesne, B.

“…Gears form a critical part of many electromechanical systems. Since gear faults cause vibrations, and vibration-based diagnostics are very reliable, this has…”
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National grid microgrid feasibility evaluation: Case study of a rural distribution feeder by Huijuan Li, Singhvi, Vikas, Maitra, Arindam, Rajagopalan, Satish, Enayati, Babak, Santoso, Surya, Patterson, Russ

“…Many electricity customers in rural areas served by single radial transmission or sub-transmission line have been experiencing long duration of power outages…”
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A practical approach for belt slip detection in automotive electric power generation and storage system by Yilu Zhang, Rajagopalan, Satish, Salman, Mutasim

“…This paper addresses a specific fault detection and isolation (FDI) issue within the automotive electric power generation and storage (EPGS) system, i.e., the…”
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Power quality disturbances within DC data centers by Rajagopalan, S, Fortenbery, B, Symanski, D

“…As data center energy consumption continues to increase, various options are being considered that could improve the efficiency of existing and future data…”
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Hybrid distribution transformer: Concept development and field demonstration by Bala, Sandeep, Das, Debrup, Aeloiza, Eddy, Maitra, Arindam, Rajagopalan, Satish

“…Today's distribution system is expected to supply power to loads for which it was not designed. Moreover, high penetration of distributed generation units is…”
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Detection of rotor and load faults in brushless DC motors operating under stationary and non-stationary conditions by Rajagopalan, Satish

“…Brushless Direct Current (BLDC) motors are one of the motor types rapidly gaining popularity. BLDC motors are being increasingly used in critical high…”
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Detection of rotor and load faults in brushless DC motors operating under stationary and non-stationary conditions by Rajagopalan, Satish

“…Brushless Direct Current (BLDC) motors are one of the motor types rapidly gaining popularity. BLDC motors are being increasingly used in critical high…”
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Quasi Linear DC/DC Converters by Divan, D.M., Rajagopalan, S.

“…Demanding high power applications, such as medical imaging, fast processors, and pulsed loads are requiring new levels of performance from dc/dc converters…”
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Emerging applications for multi/many-core processors by Lee, V. W., Yen-Kuang Chen, Chhugani, J., Kim, C., Kim, D., Hughes, C. J., Rajagopalan Satish, N., Smelyanskiy, M., Dubey, Pradeep

“…There has always been a strong relationship between computer applications and computer architectures. Advances in computer architecture enable new usage…”
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Non-Stationary Motor Fault Detection Using Recent Quadratic Time-Frequency Representations by Rajagopalan, S., Habetler, T.G., Restrepo, J.A., Aller, J.M., Harley, R.G.

“…Fault detection in electric motors operating under non-stationary operating conditions has been gaining importance, due to the fact that motors are used in…”
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Fast charging: An in-depth look at market penetration, charging characteristics, and advanced technologies by Rajagopalan, Satish, Maitra, Arindam, Halliwell, John, Davis, Morgan, Duvall, Mark

“…Plug-in Electric Vehicles (PEVs) are now available in many North American and European markets, with more models expected to become available to consumers in…”
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Advancing industrial sustainability through energy efficiency improvements in motors and motor-driven systems by Vairamohan, Baskar, Rajagopalan, Satish, Samotyj, Marek, Pabi, Sudeshna

“…Electric motors are the work horse of the industrial sector and they consume nearly 60% of electricity in an industrial environment. This paper highlights the…”
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Diagnosis of rotor faults in brushless DC (BLDC) motors operating under non-stationary conditions using windowed Fourier ridges by Rajagopalan, S., Habetler, T.G., Harley, R.G., Aller, J.M., Restrepo, J.A.

“…There are several applications where the motor is operating in continuous non-stationary operating conditions. Actuators in the aerospace and transportation…”
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Hardware implementation of a Mamdani fuzzy logic controller for a static compensator in a multimachine power system by Mohagheghi, S., Venayagamoorthy, G.K., Rajagopalan, S., Harley, R.G.

“…A Mamdani based fuzzy logic controller is designed and implemented for controlling a STATCOM, which is connected to a 10 bus multimachine power system. Such a…”
Get full text