- P. Ebenezer
- R. Anand
- M. Sibiram
- K. Sathishkumar
- P. Vignesh
- S. Ravi
- P. Naveen Chandran
- V. Vishnu Priya
- R. Gayathri
- N. Murali
- A. Aravinth Kumar
- S. Gokul
- C. K. Aravinda Narayana
- Indranil Biswas
- A. V. Ashok Kumar Reddy
- C. Venkata Prasad
- M. Saraswathi
- HMP Naveen Kumar
- M. N. Prabhakar
- K. Madhusudhan Rao
- B. Yerriswami
- C. Lakshmi Narayana Reddy
- B. Mallikarjuna
- M. C. S. Subha
- K. Chowdoji Rao
- V. Saravanan
- M. Aravindan
- M. Arumugam
- Sagar A. Wadi,
- V. Suresh
- G. Anbunesan
- Shamreena Verghese
- V. Arumugam
- Logeshwari Dhavamani
- A. Kaliappan
- M. Sakthivel
- Kaavya Kanagaraj
- Shilpa Abhang
- Julakanti Sampath Kumar
- R. K. Gnanamurthy
- Indian Journal of Science and Technology
- International Journal of Innovative Research and Development
- Journal of Surface Science and Technology
- Research Journal of Pharmacy and Technology
- International Journal of Scientific Engineering and Technology
- International Journal of Engineering Research
- Journal of the Ramanujan Mathematical Society
- Journal of Pure and Applied Ultrasonics
- Indian Journal of Power and River Valley Development
- ICTACT Journal on Communication Technology
- ICTACT Journal on Image and Video Processing
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Balaji, V.
- Optimization of Extracellular Lipase Production in Colletotrichum Gloeosporioides by Solid State Fermentation
Authors
1 Centre for Advanced Studies in Botany, University of Madras, Guindy Campus, Chennai-600 025, Tamil Nadu, IN
Source
Indian Journal of Science and Technology, Vol 1, No 7 (2008), Pagination: 1-8Abstract
Twenty two endophytic fungi isolated from oil seeds were screened for their ability to produce extracellular lipolytic enzymes in solid state fermentation. Among them, the most productive strain, identified as Colletotrichum gloeosporioides was cultivated for lipase production in solid state fermentation (SSF) using oil-mill residue as a solid support. The elaboration of extracellular lipases from C. gloeosporioides on different residual cheap oil substrates was tested. Among these, pongamia oil cake (POC) showed maximum lipase activity (983 U/g dry matter (DM)) followed by coconut oil cake (COC) (925 U/g DM). These two oil industrial residues were chosen for enhanced lipase production. The maximum enzyme yield was obtained when POC was impregnated with CDB (Czapek-Dox Broth) in the ratio of 1:1.5 and with (906 U/g DM). Triton X 100 as the extractant from the fermented solids yielded 1020 U/g DM. The optimum temperature for lipase secretion by C. gloeosporioides was found to be 25°C. Xylose as the carbon source and peptone as the nitrogen source were favorable for the secretion of the enzymes. Tween 60 served as a good lipid substrate for lipase production (1170U/g DM) when POC was the substrate. Amending the POC with Magnesium sulphate as a metallic ion source induced good lipase activity (1240 U/g DM) by C. gloeosporioides. The Sunflower oil was found to be best co-vegetable oil substrate to induce the enzyme (2560 U/g DM). Triton X100 served as the surfactant for lipase secretion in C. gloeosporioides. Thus, pongamia oil cake can be used as cheap substrate for enhanced extracellular lipase production by C. gloeosporioides.Keywords
Lipases, Colletotrichum gloeosporioides, Solid State Fermentation, Pongamia Oil Cake, Coconut Oil CakeReferences
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- Power Flow Analysis of Simulink IEEE 57 Bus Test System Model using PSAT
Authors
1 Department of Electrical and Electronics Engineering, St. Peter's University, Chennai - 600054, Tamil Nadu, IN
2 School of Electrical Engineering, Bahir Dar University, ET
Source
Indian Journal of Science and Technology, Vol 8, No 23 (2015), Pagination:Abstract
In this paper, we have developed an IEEE 57 bus test system model for conducting the power flow analysis. Simulink library based editor in Power System Analysis Toolbox (PSAT) is used for designing the model. MATLAB is used as a platform for running the PSAT software package. Default Newton-Raphson method in PSAT is used for conducting the power flow analysis. The algorithm for designing the Simulink IEEE 57 bus test system model is developed and the power flow has conducted. All the results are tabulated and the necessary graphs were drawn for the voltage, angle, active, and the reactive power for all the 57 buses. All the results are analyzed and the conclusion has given for the validity of this computational power flow analysis.Keywords
Load Flow, MATLAB, Power Flow, PSAT, Simulink IEEE 57 Bus Test System Model.- Intellectual Automobiles Using Embedded Systems
Authors
Source
International Journal of Innovative Research and Development, Vol 2, No 5 (2013), Pagination:Abstract
The widespread use of electronic equipments and their integration into the vehicular system have become a necessity in the automobile industry. Automation of vehicles are being carried out with the help of Embedded Systems. In our project, we have proposed and completed four objectives in automotives. The automobiles basically includes wagon under wheels which helps in transportation, locomotion, etc., and reducing human efforts. Existing luxury vehicles have certain disadvantages considering the tyre pressure, accurate quantity of fuels, alternator in which the internal component damage will not be notified and finally a battery notification which will not come with a backup battery. Hence our project idea is to set separate detecting digital meters and controlling equipments for all above said problems inside automobiles itself. This will improve the reliability of the machines used and also avoids accidents, at the end consumer level.
- Evaluation of Cryogenic CO2 as a Coolant and Optimization of Surface Roughness in Conventional Milling of HCHCR (AISI D3) Die Steel and CVD TiN Coated Insert Using Taguchi Technique
Authors
1 Department of Mechanical Engineering, Bharath Institute of Higher Education and Research (BIHER), Chennai - 600073, Tamil Nadu, IN
2 Department of Mechanical Engineering, Sriram College of Engineering, Chennai - 602024, IN
3 Department of Automobile Engineering, Bharath Institute of Higher Education and Research (BIHER), Chennai - 602024, IN
Source
Journal of Surface Science and Technology, Vol 33, No 1-2 (2017), Pagination: 34-43Abstract
The present investigation comprised of experimental study of conventional milling of AISI D3 Steel and Tin coated inserts by using cryogenic CO2 as a coolant. The main objective of the analysis was to use the Taguchi technique to detect the impact of dynamic parameter viz. Cutting speed, feed, depth of the cut on the roughness of the work piece material. The goal was to comparatively study under dry and wet conditions and observe the effect of cryogenic CO2 as a coolant with CVD TiN coated as a insert tool. Finally cutting temperature, roughness, Material Removal Rate (MRR) and tool wear were measured. Finally SEM observation was made to analyze the tool wear and the data was complied into MINITAB-17 for Taguchi analysis. Mainly surface roughness and MRR were investigated employing Taguchi design.Keywords
Cryogenic Milling CO2, Methodology, Surface Roughness, Taguchi Technique.References
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- Awareness of Risk Factors for Obesity among College Students in Tamil Nadu:A Questionnaire Based Study
Authors
1 Saveetha Dental College and Hospitals, Chennai-600 077, IN
2 Department of Biochemistry, Saveetha Dental College and Hospitals, Chennai-600 077, IN
Source
Research Journal of Pharmacy and Technology, Vol 10, No 5 (2017), Pagination: 1367-1369Abstract
Background: Obesity the most prevalent form of malnutrition in both developed and developing countries and affecting children as well as adults is replacing the more traditional public health concerns. Obesity and overweight are the fifth leading cause of deaths worldwide. As obesity is the key risk factor in natural history of other chronic non-communicable diseases, obesity prevention strategies offer a cost-effective approach in preventing other chronic non-communicable diseases. Awareness level is the basic necessity to effect a change in behaviour, more so in case of medical students as they can be the health educators of the community. Objective: To create awareness about risk factor of obesity among College students. Result: Among 100 students, 64 were men and 36 were women. It was found that 57.4% men and 72.7% women were not aware of its risk factors, respectively. Conclusion: The prevalence of overweight and obesity was higher compared to other studies and the awareness level was satisfactory.Keywords
Overweight, Obesity, Awareness, Risk Factors.- Pulse Width Modulated AC Voltage Controller Filter Design by Optimization Technique
Authors
1 SCSVMV University, Kanchipuram, Tamilnadu, IN
2 School of Electrical Engineering, Bahir Dar University, ET
Source
International Journal of Scientific Engineering and Technology, Vol 4, No 11 (2015), Pagination: 526-531Abstract
The AC voltage controller plays a vital role in many of the industries. In this paper the multiple pulse width modulated AC voltage controllers is designed for analyzing the different loads. The performance of AC voltage controller is analyzed with and without filter. The performance parameters are output voltage and total harmonic distortion. The performance analysis is done for pulse width modulated AC voltage controller with resistive load and combination of resistive and inductive load. The design of passive filter components is obtained using particle swarm bacterial foraging optimization technique. The effect of filter requirements is analyzed using the Matlab software.Keywords
Filter Component, Optimization Technique, Total Harmonic Distortion, AC Voltage Controller.- A Procedural Framework to Design and Fabrication Controlled by Pneumatics
Authors
1 Department of Mechanical Engineering, Velammal Institute of Technology, Chennai-601204, IN
Source
International Journal of Engineering Research, Vol 6, No 12 (2017), Pagination: 513-518Abstract
This project deals with design development and fabrication of “MULTI PURPOSE PNEUMATIC MACHINE”. This machine is designed for the purpose of multi-operation i.e. Grinding, punching, and cutting. This machine performs multipurpose operation at same time with required speed and this machine is automatic which is controlled or operated by pneumatic pressure. This model of multi-operational machine may be used in industry and domestic operation which can perform mechanical operation like grinding, punching, and cutting of a thin metallic as well as wooden model or body. A high pressure compressed air is forced on a fan and the fan is made to rotate. This rotation is transmitted to the machining head by a shaft and the required operation is carried out.References
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- Principal Bundles on Abelian Varieties With Vanishing Chern Classes
Authors
1 Chennai Mathematical Institute, Sipcot IT Park, Siruseri-603103, IN
2 School of Mathematics, Tata Institute of Fundamental Research, Homi Bhabha Road, Bombay-400005, IN
Source
Journal of the Ramanujan Mathematical Society, Vol 24, No 2 (2009), Pagination: 191-197Abstract
We correct an error in Theorem 1.1 of [1], as well as extend this theorem.- Compatibility Studies of Chitosan/PEG Blend in 2% Aqueous Acetic Acid Solutions by Ultrasonic Velocity, Refractive Index and Viscosity Techniques, at 303.15 K
Authors
1 Dept. of Polymer Science & Tech., S.K. University, Anantapur, A.P., IN
2 Dept. of Chemistry, S.K. University, Anantapur, A.P., IN
Source
Journal of Pure and Applied Ultrasonics, Vol 31, No 4 (2009), Pagination: 160-168Abstract
Chitosan (CS), a polysaccharide, has many industrial applications and its miscibility studies are most useful. Synthetic polymer, poly (ethylene glycol) (PEG) is a subject of current research interest. Hence, miscibility of CS and PEG in aqueous acetic acid solutions has been studied by ultrasonic velocity, refractive index and viscosity techniques at 303.15 K, over a wide range of compositions ranging from 0-100% of CS in CS/PEG blends. The results of ultrasonic velocity and its derived acoustical parameters such as adiabatic compressibility (βad), acoustic impedance (Z), relaxation strength (γs) and Rao number (R) have been used to discuss the miscibility/immiscibility of the blend under study. These discussions revealed that the blend is miscible up to 40% of chitosan in the blend and beyond this, the blend is immiscible. Using the viscosity data, the interaction parameters ΔB, μ and α were computed and used to discuss the miscibility/immiscibility nature of this blend. The ultrasonic velocity results are further confirmed by viscosity and refractive index results.Keywords
Chitosan/PEG Blend, Acoustical Parameters, Miscibility, Refractive Index.- Prospects of Offshore Wind Power Generation in India
Authors
1 Department of Electrical & Electronics Engineering, Arunai Engineering College, Tiruvannamalai 606 603, Tamil Nadu, IN
2 School of Electrical Engineering, Bahir Dar University, ET
3 SCSVMV University, Kancheepuram, and Assistant Executive Engineer/O&M/ Mambakkam, Tamil Nadu Generation and Distribution Corporation, Tamil Nadu, IN
Source
Indian Journal of Power and River Valley Development, Vol 70, No 1&2 (2020), Pagination: 5-9Abstract
To mitigate the global climate change and to enhance India’s renewable power generation capacity and to deploy low carbon energy production with improved energy efficiency, offshore wind generation is being suggested in this paper. Policy and regulatory framework aspects for achieving 5 GW offshore wind installations in the states of Gujarat and Tamil Nadu by the year 2032 with current practices and sophisticated technologies adopted throughout the world is presented. For effective implementation, suitable measures and actions to be taken by various stake holders are also mentioned.Keywords
Offshore Wind Power, Policy And Regulatory Framework, Wind Power Generators, AC-DC Power Converters, HVDC Transmission, Offshore Substation, Power Quality/stability Studies, Wind Farms.References
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- Ancillary Services in Indian Power System – Implementation Challenges
Authors
1 Engineer (Maket Operation), SRLDC, POSOCO, Bengaluru, Karnataka, IN
2 Dy. General Manager, SRLDC, POSOCO, Bengaluru, Karnataka, IN
3 Head-System Operatio9n, Operation Services and System Logistics, SRLDC, POSOCO, Bengaluru, Karnataka, IN
4 General Manager, SRLDC, POSOCO, Bengaluru, Karnataka, IN
5 Chief Manager, Shamreena Verghese, Chief Manager, SRLDC, POSOCO, Bengaluru, Karnataka, IN
Source
Indian Journal of Power and River Valley Development, Vol 71, No 11&12 (2021), Pagination: 173-175Abstract
Reserve regulatory ancillary service (RRAS) was implemented on 12th April 2016 in Indian power system to empower the system operator to maintain the frequency in IEGC band, regulate line loadings, loss of generation or load, etc. This paper discusses the challenges in implementation of RRAS.Keywords
RRAS (reserve Regulatory Ancillary Services), FGMO (free Governor Mode Operation), AGC (automatic Generation Control), CERC (central Electricity Regulatory Commission)References
- No references.
- Status of Solar Photovoltaic Systems in India
Authors
1 Department of Electrical and Electronics Engineering, Arunai Engineering College, Tiruvannamalai 606603, Tamil Nadu, IN
2 Research Scholar, SCSVMV University, Kancheepuram and Assistant Executive Engineer/O and M/, Mambakkam, Tamilnadu Generation and Distribution Corporation, Tamil Nadu, IN
3 School of Electrical Engineering, Bahir Dar University, ET
Source
Indian Journal of Power and River Valley Development, Vol 71, No 9&10 (2021), Pagination: 145-149Abstract
India is marching forward to achieve solar power generation, with a target of 100 GW by the year 2022. This paper reports the recent progress and developments in solar power sector in India. It also supports the prevailing progressive path for solar power projects and recommends future course of actions.Keywords
India, Initiatives, Solar PhotovoltaicsReferences
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- Smart Metering and Big Data Analytics in Smart Grid
Authors
1 Department of Electrical & Electronics Engineering, Arunai Engineering College, Tiruvannamalai 606 603, Tamil Nadu, IN
2 Research Scholar, SCSVMV University, Kancheepuram & Assistant Executive Engineer / O&M / Mambakkam, Tamilnadu Generation and Distribution Corporation, Tamil Nadu, IN
3 School of Electrical Engineering, Bahir Dar University, ET
Source
Indian Journal of Power and River Valley Development, Vol 72, No 9&10 (2022), Pagination: 156-160Abstract
Smart metering (SM) provides value added features such as automated billing, customer relationship management when compared to existing metering system. In this paper, capabilities, features, benefits and performance factors of SM are discussed. Various cyber attacks on smart meters and implementation of big data analytics on smart meters are also detailed.Keywords
Smart Grid, Smart Metering, Cyber Attacks, Big Data AnalyticsReferences
- Javier Leiva Alfonso Palacios, José A. Aguado (2016): “Smart metering trends, implications and necessities: A policy review”. Renewable and Sustainable Energy Reviews 55:227–233.
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- Adam Hahn, Manimaran Govindarasu (2011): “Cyber Attack Exposure Evaluation Framework for the Smart Grid, IEEE Transactions on Smart Grid, 2(4): 835-843.
- Konark Sharma, Lalit Mohan Saini (2015) “Performance analysis of smart metering for smart grid: An overview” Renewable and Sustainable Energy Reviews, 49:720–735.
- www.globalsmartgridfederation.org/GSGF report/ smart meter security survey/August 2016.
- Applications of Advanced Metering Infrastructure in Electricity Distribution, https://openknowledge.worldbank.org/handle/10986/12948.Washington, DC, 2011.
- Hassan Farhangi (2010): “The path of the Smart grid”. IEEE Power & Energy Magazine, (Jan/Feb)18-28.
- http://www.tec.gov.in/Technical report on M2M enablement in power sector/TR-S&D-M2M-002- 001, released on 12.05.2015.
- www.indiasmartgrid.org/ ISGF-BNEF Knowledge Paper on AMI Rollout Planfor India published at ISGW 2017.
- Soma Shekara Sreenadh Reddy Depuru, Lingfeng Wang, Vijay Devabhaktuni. (2011): “Smart meters for power grid: Challenges, issues, advantages and status”. Renewable and Sustainable Energy Reviews 15: 2736–2742.
- Yeliz Yoldaº, Ahmet Önena, S.M. Muyeen, Athanasios V. Vasilakos, Ýrfan Alan (2017): “Enhancing smart grid with microgrids: Challenges and opportunities Renewable and Sustainable Energy Reviews 72:205– 214.
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- Chunming Tua,b, Xi He, Zhikang Shuai, Fei Jiang (2017): “Big data issues in smart grid– A review” Renewable and Sustainable Energy Reviews 79: 1099–1107.
- Discussions and deliberations by V. Saravanan and M. Aravindan at 1st Power Utility Conference for Collaborative Growth, Distribution Utility Meet, DUM 2017, organized by Technology Innovation Centre, Bangalore Electricity Supply Company Ltd (BESCOM) in association with India Smart Grid Forum(ISGF) and Institute of Electrical & Electronics Engineers (IEEE) at The Sheraton Grand, Bengaluru, India on 29-30 December 2017.
- Discussions and deliberations by V. Saravanan at ISGAN Knowledge Exchange on Distributed Generation, Microgrids and Smart Metering organized by the International Smart Grid Action Network (ISGAN), in partnership with National Smart Grid Mission, Ministry of Power, Government of India at Central Power Research Institute, Bengaluru, India on 14 November 2017.
- User-Centric Adaptive Multimedia Streaming in Interactive Communication Networks Using Shannon-Fano Genetic Algorithm
Authors
1 Department of Information Technology, St. Joseph’s College of Engineering, IN
2 Department of Computer Science and Engineering, P.A. College of Engineering and Technology, IN
3 Department of Computer Science and Engineering - Artificial Intelligence and Machine Learning, Malla Reddy College of Engineering, IN
4 Department of Electrical and Electronics Engineering, Mai Nefhi College of Engineering and Technology, ER
Source
ICTACT Journal on Communication Technology, Vol 14, No 3 (2023), Pagination: 2965-2973Abstract
In today’s rapidly evolving digital landscape, interactive communication networks play a pivotal role in facilitating real-time interactions among users. One of the critical challenges in these networks is ensuring the seamless delivery of multimedia content that caters to the diverse needs and preferences of individual users. This research endeavors to address this challenge by introducing a novel approach, where it places user satisfaction at its core, leveraging adaptive streaming techniques to dynamically adjust multimedia content delivery. By considering parameters such as network conditions, device capabilities, and user preferences, it optimizes the streaming experience in real-time. A key innovation lies in the integration of Shannon-Fano coding principles and genetic algorithms. Shannon-Fano coding enhances data compression efficiency, reducing bandwidth consumption, while genetic algorithms fine-tune the adaptive streaming parameters for each user. Our experimentation and evaluations demonstrate the effectiveness of this approach, showcasing improved multimedia streaming quality, reduced latency, and efficient bandwidth utilization. The synergy of user-centricity, adaptive streaming, Shannon-Fano coding, and genetic algorithms presents a promising avenue for enhancing multimedia communication in interactive networks.Keywords
User-Centric, Adaptive Multimedia Streaming, Interactive Communication Networks, Shannon-Fano Coding, Genetic Algorithm.References
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- AI-Based Video Summarization for Efficient Content Retrieval
Authors
1 Department of Computational Intelligence, SRM Institute of Science and Engineering, Kattankulathur Campus, IN
2 Department of MCA, Jyoti Nivas College, IN
3 Department of Electronics and Communication Engineering, ACE Engineering College, IN
4 Department of Electronics and Communication Engineering, VSB College of Engineering Technical Campus, IN
5 Department of Electrical and Electronics Engineering, MAI-NEFHI College of Engineering and Technology Asmara, ER
Source
ICTACT Journal on Image and Video Processing, Vol 14, No 2 (2023), Pagination: 3137-3142Abstract
The explosive growth of video data poses a significant challenge in retrieving relevant content swiftly. Existing methods often fall short in providing concise yet informative summaries and efficient retrieval mechanisms. The primary issue lies in the overwhelming volume of video data, making it cumbersome for users to identify and access pertinent information efficiently. Traditional summarization techniques lack the sophistication to capture the nuances of video content, leading to a gap in effective content retrieval. Our approach involves training a Deep Belief Network (DBN) to autonomously generate concise yet comprehensive video summaries. Simultaneously, the Radial Basis Function (RBF) is employed to develop an efficient content retrieval system, leveraging the learned features from the video summarization process. The integration of these two methods promises a novel and effective solution to the challenges posed by the burgeoning volume of video content. Preliminary results demonstrate a significant improvement in the efficiency of content retrieval, with the integrated DBN and RBF approach outperforming traditional methods. The video summaries generated by the DBN exhibit enhanced informativeness, contributing to more accurate and rapid content retrieval.Keywords
Video Summarization, DBN, Content Retrieval, RBF, Multimedia ContentReferences
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