KA Ramesh Kumar
Periyar University
Ultimate tensile strengthElectrical engineeringFinite element methodNonlinear systemComposite materialVoltageTensile testingPolymer blendGridMaterials scienceWeldingH bridgeUltrasonic weldingMATLABComputer scienceTotal harmonic distortionPID controllerControl theoryControl theoryUltrasonic sensor
11Publications
2H-index
13Citations
Publications 13
Newest
#1K. Ramya (Periyar University)H-Index: 1
#2KA Ramesh Kumar (Periyar University)H-Index: 2
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#1K. Ramya (Periyar University)H-Index: 1
#2KA Ramesh Kumar (Periyar University)H-Index: 2
This research work proposes Concentrated Opto Power Tracker (COPT) - H∞ controller modeling in Opto-Electric Converter System (OECS). The premeditated controller is designed using Riccati equation by considering the system uncertainties. State variable analysis approach is used for the analysis of the controller with system uncertainties. The designed controller is interfaced between the voltage Bias converter and the utility grid. With the proposed controller the grid voltages are estimated ( e...
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#1K. Ramya (Periyar University)H-Index: 1
#2KA Ramesh Kumar (Periyar University)H-Index: 2
This research work proposes Concentrated Opto Power Tracker (COPT) - H∞ controller modeling in Opto-Electric Converter System (OECS). The premeditated controller is designed using Riccati equation by considering the system uncertainties. State variable analysis approach is used for the analysis of the controller with system uncertainties. The designed controller is interfaced between the voltage Bias converter and the utility grid. With the proposed controller the grid voltages are estimated ( e...
#1T Yuvaraja (Periyar University)H-Index: 1
#1T. Yuvaraja (Periyar University)H-Index: 3
Last. KA Ramesh Kumar (Periyar University)H-Index: 2
view all 2 authors...
H-bridge multilevel converter is the most challenging topology from nominal to high power applications. However, when the energy is exchanged between AC side and DC side or vice versa, the fluctuation in the capacitor used in deputize unit is unavoidable. The fluctuation in the deputize unit is due to the increase in the total harmonic distortion by the capacitor in the output voltages. This total harmonic distortion is evaded by exploring the deputize unit capacitor voltage mathematically. This...
2 CitationsSource
#1T Yuvaraja (Periyar University)H-Index: 1
#1T. Yuvaraja (Periyar University)H-Index: 3
Last. KA Ramesh Kumar (Periyar University)H-Index: 2
view all 2 authors...
The electric power system is undergoing important changes and updates nowadays, particularly on a generation and transmission level. Initially, the move towards a distributed generation in distinct...
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#1K. Ramya (Periyar University)H-Index: 1
#2KA Ramesh Kumar (Periyar University)H-Index: 2
A single-juncture topology of 3-O boost inverter with riven DC supply configuration grieves from larger incidence current commutations across the diodepassive in connection with the DC source and the intricate study as the inductor charges with capricious duty cycle. This study focuses on 1-O riven bias inverter with improvised technique on inverter and modulation. The riven bias inverter is analyzed using state space averaging technique to derive the mathematical model that is suitable for both...
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#1N. Mohan Raj (STU: Shantou University)
#2L. A. Kumaraswamidhas (IITs: Indian Institutes of Technology)H-Index: 1
Last. Akhil Garg (STU: Shantou University)H-Index: 30
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Electrical and automobile industries have high demands for an effective joining of dissimilar materials because of their enormous use. In the present research, numerical and experimental investigations have been conducted to study the effect of parameters of ultrasonic spot weld on metal joints for electronic components. Copper and brass alloy sheets have been welded using ultrasonic spot welding in the lap configuration. Regression analysis in combination with analysis of variance has been appl...
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#1K. Ramya (Periyar University)H-Index: 1
#2KA Ramesh Kumar (Periyar University)H-Index: 2
The power generated from the optoelectric source in the conversion system and the connected system should satisfy several factors such as high efficiency, less total harmonic distortion, reduced co...
1 CitationsSource
#1M. Natesh (VIT University)H-Index: 2
#2Liu Yun (STU: Shantou University)H-Index: 5
Last. Akhil Garg (STU: Shantou University)H-Index: 30
view all 8 authors...
Abstract This paper presents a study undertaken with an objective to establish ultrasonic welding process for joining polymer blends expressed to aid the eco-friendly qualities desired in manufacturing sectors. Polycarbonate (PC) and Acrylonitrile Butadiene Styrene (ABS) blends are welded after creating suitable parts with energy directors using injection molding techniques. It is imperative to estimate the performance of the weld preferred in industrial sectors to be expressed in terms of stren...
4 CitationsSource
#1Rahul Sg (VIT University)H-Index: 2
#2G. Dhivyasri (VIT University)H-Index: 2
Last. Liang Gao (HUST: Huazhong University of Science and Technology)H-Index: 52
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Abstract In this paper, an adaptive control scheme is employed for joining Aluminium 6061 alloy sheets by Cold Metal Transfer (CMT) process. The transfer function model of the CMT welding system is derived using empirical equations. The CMT plant transfer function is estimated using system identification technique. For the estimated plant model, a conventional PID controller is initially designed by tuning the controller parameters. The designed control system is tested for its ability to contro...
5 CitationsSource
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