marshiana
@sitpune
associate professor, EIE
symbiosis
Scopus Publications
Scopus Publications
Marshiana Devaerakkam, Krishnamoorthy Narasu Raghavan, Grace Kanmani Prince, Mary Joy Kinol Alphonse, Sabarivani Annadurai, and Harikrishnan Ramachandran
Elsevier BV
Kartikeya Verma, G.S. Charan, Anish Pande, Yassin Adam Abdalla, D Marshiana, and Chandan Kumar Choubey
IEEE
The activities around any or any other information that changes need to be looked into and monitored. This process is the basis of surveillance and can be expanded into many forms depending on the scenario and environment. Thus, to identify and prevent crime and ensure public safety, we must use the latest devices and technology to identify potential threats. Also, to ensure the monitoring and prevention of the spread of many different diseases, we need some method to look at the area of containment of the disease. A system using an Esp32 cam, wifi module, motor driver system, and FTDI USB-UART interface board has been developed to fulfill this requirement. In such scenarios, we cannot hamper human life and put another human's life in danger by exposing them to such acute and severe diseases just for monitoring. We should not waste lives, especially of those of great value to the system due to their knowledge, such as doctors and nurses, and we should try and provide them with a device that could enter the contaminated areas and allow them to see what is happening.
Mary Joy Kinol.A, Marshiana. D, Sabarivani. A, Krishnamoorthy. N.R, Vinothkumar. C, and Harikrishnan. R
IEEE
The transmission of signals through an antenna having a microstrip H0 slot patch, provides the lowest feasible return loss when compared to various substrate materials for use in the S-band in the specified frequency range. This research suggests an antenna design with FR4 substrate, Duroid 6010, RT-Duroid 6080, nylon fabric, and other materials. The proposed antenna has the following measurements: 39.2 mm x 39.2 mm x 1.6 mm. The High-Frequency Structure Simulator 19.0 is used to generate the full design and examine the reflection coefficient. With a reflection coefficient of −17.37dB, −21.81dB, - 23.42dB, and −23.68dB, Duroid 6010, Rt-Duroid, Nylon Fabric, and FR4 substrates are used to design the innovative H slot microstrip patch antenna. At the resonant frequency range of 2.4 GHz, this cutting-edge proposed antenna with FR4 substrate offers superior signal transmission. S-band applications mostly employ this frequency range. Simulation results show that the proposed antenna with FR4 substrate has a significantly lower return loss (-23.68 dB) than the conventional antenna with a different substrate material.
Annai Raina.T. A, Marshiana. D, Krishnamoorthy N R, and Mary Joy Kinol A
IEEE
During the covid pandemic, air quality has improved due to prolonged lockdown conditions. Hence according to the international energy agency, about 22% of environmental pollution is contributed by the transportation sector. Electric vehicles help in reducing the contribution towards carbon emission and help in mitigating the fossil fuel crisis and also promotes sustainable transportation. To enhance the growth of electric vehicle, charging infrastructure and range anxiety issues in the long drive has to be resolved. This paper reviews the various charging methods available for an electric vehicle. Some charging methods are wired and wireless charging, solar-powered, battery-swapping, vehicle-to-grid and vehicle-to-vehicle charging. A comparative study of these methods is tabulated. Based on the limitation of each method the optimum charging method for a vehicle is adapted for a particular application.
D. Marshiana, A. Mary Joy Kinol, N.R. Krishnamoorthy, T. Thaj Mary Delsy, and P. Anandha Narayanana
AIP Publishing
A. Sabarivani, Prajeet Kumar Panda, Umapathi Varma, and M. Marshiana
AIP Publishing
S. Sathish, S. Supriya, J. Aravind kumar, D. Prabu, D. Marshiana, M. Rajasimman, and Yasser Vasseghian
Elsevier BV
A. Mary Joy Kinol, A. Sahaya Anselin Nisha, D. Marshiana, and N. R. Krishnamoorthy
Springer Science and Business Media LLC
P. Grace Kanmani Prince, Janney J Bethanney, S. Poojahsri, S.K Sounder, J. Premalatha, and D. Marshiana
IEEE
Automation of emotion detection has been done in many methods. The method followed here is detection of emotions through the pattern of respiration. A non-contact infrared temperature sensor is used to detect the pattern of respiration. The signals acquired from the sensor in analyzed. 10 statistical features are extracted. Feature reduction is done by applying Principle component analysis and 4 PCAs are obtained. These features are applied to supervised and unsupervised classification algorithm. Trilayered neural network has an accuracy of 95.5%
Kinol. A. Mary Joy, Marshiana Devaerakkam, D. Godwin Immanuel, Krishnamoorthy Narasu Raghavan, Grace Kanmani Prince, and Kassu negash
Hindawi Limited
Ultra-Large Band (UWB) is a radio technology used for the transmission and distribution of radio energy over a wide frequency band with low power spectral density. A newer UWB Microstrip patch antenna is designed using a jute material as a substrate because of its durability and CO2 and water footprint. The ecological impact is relatively small with Cradle to Cradle, biodegradable with 100% compostable, and extremely strong. The jute substrate is reinforced to make it nonflexible and hydrophobic for further better electrical and mechanical properties, and it is treated with the conductive polymer sodium alginate; the results were compared with the raw hydrophilic jute substrate. The proposed antenna design and results were compared with the similar antenna using the FR4 substrate of a dielectric constant of 4.4 and a thickness of 1.6, and the ultra-wideband spectrum range from 3.1 to 10.6 GHz. It is used for both uplink and downlink transmission of local area network (LAN), wide area network (WAN), and satellite communications spectrum (SCP). The performance of this network provides a wider bandwidth transmission for the range of 1 to 14 GHz applications.
Sathish Sundararaman, Ponnusamy Senthil Kumar, Prabu Deivasigamani, Aravind Kumar Jagadeesan, Marshiana Devaerakkam, Abdulrahman Al-Hashimi, and Dongjin Choi
MDPI AG
In this work, Azolla filiculoides was used for the bioremediation of a textile effluent and as a potential sorbent for the rejection of Congo red (CR9) dye from a synthetic aqueous solution. The sorbent was characterized, and a pot culture test was carried out to assess the physiological responses in a controlled environment. The response of the plants to the exposure to the emanating pollutants was subordinate. The BOD, COD, and TDS removals were found to be 98.2%, 98.23%, and 90.29%, respectively. Moreover, the dried biomass was studied for the expulsion of CR9, and the process variables were optimized. The maximum CR9 removal was 95% at the optimal conditions of 2 g/L of the sorbent dose at acidic pH. Equilibrium data for adsorption were analyzed using a two-parameter isotherm model. It was observed that the Langmuir isotherm fit with the data (R2 = 0.98) and also had satisfactory lower error values, with its maximum sorption capacity reaching 243 mg/g. The pseudo-second-order kinetics were well fitted (R2 = 0.98). The mass transfer models and the thermodynamic parameters of the system were evaluated. The regeneration studies also showed that the uptake efficacy in the fifth cycle is reduced by 20% when compared with the first cycle. The results show that the biomass was a capable sorbent for the removal of CR9.
N R Krishnamoorthy, Ajit Gerald, G Rajalakshmi, D. Marshiana, and T. Thaj Mary Delsy
IOP Publishing
Abstract The most difficult medium for data communication is the underwater medium. It is due to its characteristics. The various existing mode of the communication in water medium are electromagnetic waves, acoustic waves and optical signal. But all these have its own drawbacks. The loss will be huge for Electro-Magnetic (EM) waves, so it is limited to the short range communication, optical waves has line of sight issues. To overcome these, in this paper, a Li-Fi technique is used for data transmission in water medium. It uses Light Emitting Diode (LED) sources for transmission of data. This will ensure the maximum transmission rate and it is more efficient and cheaper than the other existing methods. In this paper, automation via Bluetooth, IoT and it has GPS tracking capabilities are also incorporated.
V. Amala Rani, D. Marshiana, D. Jamunarani, G. Rajalakshmi, and S. Bestley Joe
IOP Publishing
Abstract The increase in the use of non-conventional energy sources in our day to day life is to save our earth. The hybrid wind and photovoltaic power generation system allow supplying the load either individually or at the same time. This technique includes the Cuk and Sepic converters together and this eliminates the accessibility for extra input filters having high-frequency harmonics. The rapid changes in the atmospheric conditions can be control by using the Maximum Power Point Tracking technique because of its high tracking accuracy. To increase the output power and efficiency the Buck Boost and Sepic converters are used. Converters output ripple voltage can be reduced by the photovoltaic array voltage which can vary from 0 to 600V. The thin-film PV panels and the MPPT methodology is produced with the help of converters by reducing the stress occurred in voltage due to inverters and to work at 230V DC-bus voltage reducing Simulation is carried out MATLAB Simulink.
S Bestley Joe, T Gomathi, D Marshiana, and N R Krishnamoorthy
IEEE
Joule heating problem occurs for every electrical/electronic phenomena wherein current flow causes increase in temperature of the device. It is considered to be a major source of inaccuracy in major devices. This research article focuses on the joule heating effect on a single resistor component miniature in size made up of copper. Using the heat transfer equation in solids simulation is performed wherein temperature distribution feature and electric potential distribution analysis were done and the measurement results thus obtained have found to coincide with the phenomenon.
Krishnamoorthy Raghavan Narasu, Anima Nanda, D. Marshiana, Bestley Joe, and Vinoth Kumar
Wiley
N R Krishnamoorthy, K P Indira, D Marshiana, and Thaj Mary Delsy
IEEE
Underwater Acoustic Communication (UAC) is a rapidly growing area in the field of research and engineering. It provide performance enhancement for various underwater applications such as climate monitoring, pollution control, gathering of scientific data, deep sea exploration, etc. However, it is much more challenging to communicate in water medium than in air medium. The reverberation effect in the UAC channel causes multipath effects results in larger delay spread. Moreover, the UAC channel undergoes rapid temporal and spatial variation and it poses a great challenge for high data rate communication. The various techniques that are used at radio frequencies do not work in the UAC channel. This is one of the foremost reasons for low data rate and short range communication. To deal with the highly dispersive and time varying characteristics of UAC channel, coherent single carrier modulation can be applied along with the decision feedback equalizer. As the symbol rate increases, the frequency selectivity of the channel leads to high BER. To overcome this, a multicarrier modulation scheme can be used. To achieve a reliable wireless communication in the air medium, Electromagnetic (EM) waves can be used. These waves have been used extensively for long-range communication. For water medium, propagation of EM waves are of not much use. Moreover, these waves can travel only few meters and attenuated more for long range. Another important issue in underwater communication is the validation of data. In this article, a real time simulation toolbox, WATERMARK tool is illustrated clearly to understand about the toolbox and how it can be used for the validation of data in the real time scenario. Three different modulation scheme was applied for the simulation purpose and its Bit Error Rate was compared.
Krishnamoorthy Raghavan Narasu, , Immanuel Rajkumar, Jerry Alexander, and Marshiana Devaerakkam
MECS Publisher
The Underwater Acoustic Channel (UAC) is a time variant channel and its multipath effects create ISI. This is one of the most important obstacles in the UAC channel which reduces the transmission rate. To remove this obstacle, a proper filter has to be designed in the receiver section. In this article, optimal step size for equalizer is computed and compared the results with the known techniques namely Decision Feedback Equalizer with interleave division multiple access (DFE IDMA) and Cyclic Prefix - Orthogonal Frequency Division Multiplexing (CP-OFDM) Equalizer. Channels are modeled using ray tracing methods. The various factors considered are ambient noise, attenuation loss, bottom and surface loss. The overall path loss for channels is computed by summing up the attenuation loss, surface and bottom loss. Simulation results evident that for short range UAC channel, the BER in the order of 10-2 is achieved using proposed methodology with least Eb/No compared to standard DFE method.
N. R. Krishnamoorthy, Immanuel Rajkumar, Jerry Alexander, and D. Marshiana
Institute of Advanced Engineering and Science
Wireless communication has become an essential technology in our day-to-day life both in air and water medium. To monitor the health parameter of human begins, advancement techniques like internet of things is evolved. But to analyze underwater living organisms health parameters, researchers finding difficulties to do so. The reason behind is underwater channels has drawbacks like signal degradation due to multipath propagation, severe ambient noise and Attenuation by bottom and surface loss. In this paper Artificial Neural Networks (ANN) is used to perform data transfer in water medium. A sample EEG signal is generated and trained with 2 and 20 hidden layers. Simulation result showed that error free communication is achieved with 20 hidden layers at 10th iteration. The proposed algorithm is validated using a real time watermark toolbox. Two different modulation scheme was applied along with ANN. In the first scenario, the EEG signal is modulated using convolution code and decoded by Viterbi Algorithm. Multiplexing technique is applied in the second scenario. It is observed that energy level in the order of 40 dB is required for least error rate. It is also evident from simulation result that maximum of 5% CP can be maintained to attain the least Mean Square Error.
Vinothkumar. C, , Marshiana. D, Ramadevi R, Krishnamoorthy.N. R, , , and
Blue Eyes Intelligence Engineering and Sciences Engineering and Sciences Publication - BEIESP
In this paper the plan of customary controllers, which can be utilized for the control of non-straight frameworks to give an ideal degree of a nonlinear tank. The non linear process takes up for the examination is Hybrid tanks due to its utilization in the field of Pharmaceutical, petro chemical ect., Its non-linearity is because of the cross sectional conduct of the procedure because of the departure of items without wastage is conceivable. The shut circle execution are resolved to get the ideal level control utilizing customary P , PI, PID controllers for different systems like Ziegler Nicholas and Cohen coon technique. The real preferred position of this strategy is straightforwardness. Reproduction results utilizing MATLAB programming to decide the outperformance of controller strategies.
P. Grace Kanmani Prince, J. Premalatha, D. Marshiana, Krishnamoorthy Raghavan, and Suresh Kumar
Diva Enterprises Private Limited
Epileptic seizure is the most predominant brain disorder that has affected at least 1% of the world's population and higher numbers are affected in the underdeveloped countries. The best marker for diagnosis of seizure is to analyse the EEG signals. The statistical parameters of EEG signals vary when there is an occurrence of seizure. In this paper the statistical parameter interquatile range and Mean absolute deviation are taken as features and are classified using unsupervised learning algorithms (clustering techniques). K-Mean, K-Centers, Parzen Classifier, K-Nearest Neighbour, Gaussian mixture model, and Naive Bayes classifier are put to test to find out the best suited algorithm. Among the methods used K-Nearest Neighbour gives the maximum accuracy of 100%, sensitivity and specificity of 1 for the given data followed by Parzen classifier with 98.02% of accuracy, and has a sensitivity of 0.96, specificity of 1. The Naieve bayes classifier with 96.71% of accuracy is the fastest algorithm with 0.019 ms and hence can be used for real time applications.
T. Thaj Mary Delsy, D. Jamuna Rani, and D. Marshiana
Diva Enterprises Private Limited
Health monitoring of any living organism can be done easily through various wireless techniques in air medium. Whereas in the water medium, it is very difficult to monitor the health parameter of the living animals such as fish, rare species like Dolphins and even the human beings working underwater. This is because of the high attenuation and severe multipath effects. To overcome this in this paper, a dolphin signal is used as carrier signal for communication purpose. The error rate is calculated and compared with the standard modulation scheme Binary Phase Shift Keying (BPSK). The simulation results evident that the underwater communication by the low frequency signals like human voice and Dolphin signal performs better and gives an error rate equals to the one-tenth of the error rate caused by the BPSK scheme in water medium.