- The Research on Improvement of Low Temperature Stability for Diatomite Modified Asphalt Mixture with PE Particles
HU Qiusheng, ZHOU Gang
[Abstract]
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Abstract:
In light of the lake of low temperature stability for diatomaceous which used as asphalt modifier.Stat the research with the diatomite produced at Jilin Changbai, using the way of low temperature bending test to evaluate the PE and diatomite composite modified asphalt mixture's low temperature crack resistance performance. The results showed that after the diatomite and PE composite modified asphalt mixture has the best advantage of anti-cracking performance under low-temperature environment,which is better than PE modified asphalt mixture and the matrix asphalt mixture. As a result,asphalt mixture being composite modified by diatomite and PE could significantly improve asphalt mixture's low temperature stable performance.
Keywords: Modified Asphalt Mixture;composite modified;low temperature stability ;PE; Diatomite
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Copy and PasteHU Qiusheng, ZHOU Gang, "The Research on Improvement of Low Temperature Stability for Diatomite Modified Asphalt Mixture with PE Particles"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- An Intelligent Human Computer Communication with Real Time Hand Gesture for Medical Assistance Using MATLAB
Rakesh S.Gaikwad, Gireesh Gautam
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This paper may be helpful in making the living of handicapped people easy which will be helpful for the handicapped people to drive their wheelchair through finger operation. It is an opportunity to be a handicapped as independent. System comprises of integration of finger operation using digital image processing and embedded technology .According to the World Health Organization (WHO), between the 7 and 10% of the population worldwide suffer from some physical disability. In Latin-America the physically disabled are estimated in 55 million people, which represent the 9% of its total population. This census indicates that the most common disability is motor, followed by blindness, deafness, intellectual and language. All alone, the motor-disabled achieve 20 million in Latin-America and there is an anticipated continued growth due to increasing aging, longevity and accident related injuries. Wheelchairs make up a significant portion of the mobility assistive devices in use for those. Since the 1930s, the design concept of a wheelchair has been the same: a main frame, two large rear wheels and two small front wheels called casters. This basic design has been used to develop many of today' wheelchairs by applying slight design modifications to produce lighter, more durable and more comfortable wheelchairs for people who use them on a daily basis. Finally it means that is affordable and beneficial by the people.
Keywords: Digital Image Processing, Embedded Technology, Hand gesture operated Wheelchair
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Copy and PasteRakesh S.Gaikwad, Gireesh Gautam, "An Intelligent Human Computer Communication with Real Time Hand Gesture for Medical Assistance Using MATLAB"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Diagnosis Chest Diseases Using Neural Network and Genetic Hybrid Algorithm
D vally, CH V Sarma
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The back propagation algorithm is most popular algorithm in feed forward neural network with the multi-layer. It measures the output error and calculates the gradient of the error and adjusting the ANN weight moving along the descending gradient direction. Back propagation is used to learn and store by mapping relations of input- output model. A genetic algorithm is having a random probability distribution or pattern that may be analyses statistically but may not be predicted precisely. Genetic algorithm is an iterative procedure that generates new population for individual from the old one. In my paper I am proposing to implement the back propagation algorithm and genetic algorithm to compare the output accuracy percent for medical diagnosis on various chest diseases (Asthme, tuberculosis, lung cancer, pneumonia).
Key words: Artificial neural network, back propagation algorithm, chest diseases, genetic algorithm, medical diagnosis.
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Copy and PasteD vally, CH V Sarma, "Diagnosis Chest Diseases Using Neural Network and Genetic Hybrid Algorithm" Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Nine Level Inverter with Boost Converter from Renewable Energy Source
Maruthu Pandiyan.R, Prabakaran. B, C. Vivekanandan
[Abstract]
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A new single phase nine level multilevel inverter is proposed. The input to the proposed nine level multilevel inverter is obtained from solar panel . The solar energy obtained from the solar panel is not constant and it varies with times. In order to maintain the constant voltage obtained from the solar panel the boost converter is used to maintain the constant output voltage using MPPT ( Perturb and observe algorithm) algorithm. Then the buck boost converter output voltage is stored in the battery bank. Finally the battery energy is connected to the 9 level inverter circuits. The harmonics in the inverter is eliminated by using the fuzzy logic controller. The gate pulse for the multilevel inverter is given by the fuzzy logic controller which in turn reduces the harmonics in the inverter. Then the inverter output is connected to the grid are some application.
Keywords: multilevel inverter, MPPT (Perturb and observe algorithm), fuzzy logic controller, Total Harmonic Distortion (THD).
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Copy and PasteMaruthu Pandiyan.R, "Nine Level Inverter with Boost Converter from Renewable Energy Source"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Challenges and Proposed Solutions for Cloud Forensic
Puraj Desai, Mehul Solanki, Akshay Gadhwal, Aalap Shah, Bhumika Patel
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Cloud computing is a heavily evolving topic in information technology (IT). Rather than creating, deploying and managing a physical IT infrastructure to host their software applications, organizations are increasingly deploying their infrastructure into remote, virtualized environments, often hosted and managed by third parties. Due to this large scale, in case an attack over the network of cloud, it's a great challenge to investigate to cloud. There is a very low research done to develop the theory and practice of cloud forensic. The investigator has huge challenge of getting the IP address of the culprit as there is dynamic IP in cloud computing. Also one among many problems is that the customer is only concerned of security and threat of unknown. The cloud service provider never lets customer see what is behind "virtual curtain" which leads customer more doubting for the security and threat issue. In cloud forensics, the lack of physical access leads to big challenge for investigator. In this paper we are presenting few common challenges which arise in cloud forensic and proposed solution to it. We will also discuss the in brief about cloud computing and cloud forensic.
keyword— Cloud Computing, Virtual Environment, Cloud Forensic
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Copy and PastePuraj Desai, Mehul Solanki, Akshay Gadhwal, Aalap Shah, Bhumika Patel, "Challenges and Proposed Solutions for Cloud Forensic" Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Evaluation of Corrosion Properties of Retrogression and Reaged Al 7075 alloy reinforced with SiCp Composite Material
Janardhana. K, Dr. D. N. Drakshayani
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The metal matrix composites offer a spectrum of advantages that are important for their selection and use as structural materials. A few such advantages are high strength, high elastic modulus, high toughness and impact resistance, low sensitivity to changes in temperature or thermal shock, high surface durability, low sensitivity to surface flaws, high electrical and thermal conductivity, minimum exposure to the potential problem of moisture absorption resulting in environmental degradation and improved machinability with conventional metal working equipment. The aim of the present study is to investigate the corrosion properties of Silicon Carbide particles (SiCp) reinforced Aluminum matrix composite after retrogression and re-aging heat treatment. Aluminum 7075 alloy with 0%, 5%, 10% and 15% SiCp were studied.
keyword— Retrogression and Re-aging, Corrosion, Aluminum 7075 alloy, heat treatment
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Copy and PasteJanardhana. K, Dr. D. N. Drakshayani, "Evaluation of Corrosion Properties of Retrogression and Reaged Al 7075 alloy reinforced with SiCp Composite Material"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Numerical Study Of Flue Gas Flow In A Multi Cyclone Separator
Ganga Reddy C, Umesh Kuppuraj
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The removal of harmful particulate matter from power plant flue gas is of critical importance to the environment and its inhabitants. The present work illustrates the use of multi-cyclone separators to remove the particulate matter from the bulk of the gas exhausted to the atmosphere. The method has potential to replace conventional systems like electrostatic precipitator due to inherent low power requirement and low maintenance. A parametric model may be employed to design the system based on the requirement of the power station. The present work describes the simulation of flue gas flow through a cyclonic separator. A Finite volume approach has been used and the pressure-velocity coupling is resolved using the SIMPLE algorithm. Discrete phase model is used to inject solid particles from inlet. In this numerical analysis a cluster of four cyclonic separators are considered. Comparisons are made between the available experimental results and the computational work for validation of the numerical models and schemes employed in the work. The separation efficiency and particle trajectories are shown and found comparable to similar cases from literature. The experimental results correlate well for the model under consideration.
Keywords: Flue gases, discrete phase model, computational fluid dynamics, Separation efficiency, cyclone separator
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Copy and PasteGanga Reddy C, Umesh Kuppuraj, "Numerical Study Of Flue Gas Flow In A Multi Cyclone Separator"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Microstrip Antenna for ISM Band (2.4GHz) Applications-A review
Parthrajsinh Kishorsinhji Jhala, S.Sreenath Kashyap, Piyush M. Paneliya
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The past decade has seen a rapid development of wireless communication systems. This continuous trend is bringing about a wave of new wireless devices placing several demands on the antenna such as size miniaturization, power consumption, simplicity, compatibility with printed-circuit technology, low profile, light weight, lower return loss and good radiation properties. This paper provides a comprehensive review of the research work done in the recent past by various authors on the design and optimization of the planar microstrip antenna operating in ISM band. An exhaustive list of reference has been provided.
Key words: Microstrip Patch Antenna, ISM Band.
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Copy and PasteParthrajsinh Kishorsinhji Jhala, S.Sreenath Kashyap, Piyush M. Paneliya, "Microstrip Antenna for ISM Band (2.4GHz) Applications-A review" Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Survey Paper on Image Denoising Using Spatial Statistic son Pixel
Varun Nigam, Neelesh Gupta, Neetu Sharma
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The classical non-local means image denoising approach, the value of a pixel is determined based on the weighted average of other pixels, where the weights are determined based on a fixed isotropic ally weighted similarity function between the local neighbourhoods. It is demonstrate that noticeably improved perceptual quality can be achieved through the use of adaptive anisotropic ally weighted similarity functions between local neighbourhoods. This is accomplished by adapting the similarity weighing function in an anisotropic manner based on the perceptual characteristics of the underlying image content derived efficiently based on the Mexican Hat wavelet. Experimental results show that the it can be used to provide improved perceptual quality in the denoised image both quantitatively and qualitatively when compared to existing methods.
Key words: Image Denoising, Noise, Wavelet Transform, Image Processing, PSNR
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Copy and PasteVarun Nigam, Neelesh Gupta, Neetu Sharma, "Survey Paper on Image Denoising Using Spatial Statistic son Pixel"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Maximum Power Point Tracking Using Adaptive Fuzzy Logic control for Photovoltaic System
Anass Ait Laachir, Abderrahmane El Kachani, Abdelhamid Niaaniaa, Moulay Brahim Sedra, El Mahjoub CHAKIR, Tarik Jarou
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Abstract:
This work presents an intelligent approach to the improvement and optimization of control performance of a photovoltaic system with maximum power point tracking based on fuzzy logic control. This control was compared with the conventional control based on Perturb &Observe algorithm. The results obtained in Matlab/Simulink under different conditions show a marked improvement in the performance of fuzzy control MPPT of the PV system.
Keywords: DC-DC converter, fuzzy logic, MPPT, perturb and observe, Photovoltaic.
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Copy and PasteAnass Ait Laachir, Abderrahmane El Kachani, Abdelhamid Niaaniaa, Moulay Brahim Sedra, El Mahjoub CHAKIR, Tarik Jarou, "Maximum Power Point Tracking Using Adaptive Fuzzy Logic control for Photovoltaic System" Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Green Roofs and Green Building Rating Systems
Liaw, Chao-Hsien, Huang, En-Hao, Tzai, Hsin-Yuan
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Abstract:
The environmental benefits for green building from the Leadership in Energy and Environment Design (LEED)
and Ecology, Energy, Waste, and Health (EEWH) rating systems have been extensively investigated; however,
the effect of green roofs on the credit-earning mechanisms is relatively unexplored. This study is concerned with
the environmental benefits of green roofs with respect to sustainability, stormwater control, energy savings, and
water resources. We focused on the relationship between green coverage and the credits of the rating systems,
evaluated the credits efficiency, and performed cost analysis. As an example, we used a university building in
Keelung, Northern Taiwan. The findings suggest that with EEWH, the proposed green coverage is 50–75%,
whereas with LEED, the proposed green coverage is 100%. These findings have implications for the application
of green roofs in green building.
Keywords: Green building, green roof, green building rating system, LEED, EEWH
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Copy and PasteLiaw, Chao-Hsien, Huang, En-Hao, Tzai, Hsin-Yuan, "Green Roofs and Green Building Rating Systems"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Modeling the transport of charge carriers in the active devices diode submicron n+-n- n+, based upon Ga0.49In0.51P by the Monte Carlo method
Nourdine Massoum, Ahlem Guen Bouazza, Benyounes Bouazza, Amine oujdi
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A Monte Carlo simulation program was developed to simulate the movement of electrons in a submicron GaInP diode three dimensional (3D) with 0.1 microns-long active layer. The algorithm couples a standard Monte Carlo particle simulator for the Boltzmann equation with a 3D Poisson solver. Thus a series of hits for a specific MC submicron diode (GaInP), with an active layer (n = 2x10
15cm
-3) of length 0.1μm surrounded by two regions doped with n = 5x10
17cm
-3, are presented. The lattice temperature is 300K and the anode voltage V
a is 1V. The analysis also showed that the average drift velocity to the electrons in the channel is about 5x10
6 cm/sec
Keywords: Monte Carlo simulation, active layer, drift velocity, Diode device,
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Nourdine Massoum, Ahlem Guen Bouazza, Benyounes Bouazza, Amine oujdi, "Modeling the transport of charge carriers in the active devices diode submicron n+-n- n+, based upon Ga0.49In0.51P by the Monte Carlo method"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- A Survey on Security for Server Using Spontaneous Face Detection
Prof. Priya Khune, Prasad Tanaji Satpute, Sagar Sanjay Deshmukh, Pranav Manoj Biyani
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Abstract:
In today's computerized world, cyber crime has increased. The web network of www also increases day by day. So the protection of software and data in our computers has become very important. For this purpose we are developing the "Server Security System" with the help of some technologies such as GPRS, TCP-IP, SMTP, and MIME. In our project we are developing a system such that we get the image of an unauthorized person or user. To do this we are using a webcam. We send a mail to the authorized person's GPRS phone. For this purpose we use a mobile it can be any mobile. In parallel we are changing the password by generating a random string & then Shutting-Down the computer remotely. By using java programming we can create such applications which will help us to stop the cyber crime. It is not visible to new user so that he is unaware from this software so this will definitely helpful to make them fool.
Keywords: Image processing, Spontaneous facial expression, Eigen face, Principal Component Analysis (PCA).
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Prof. Priya Khune, Prasad Tanaji Satpute, Sagar Sanjay Deshmukh, Pranav Manoj Biyani, "A Survey on Security for Server Using Spontaneous Face Detection" Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Photoluminescence of Bioceramic Materials and Bioceramic Resonance
Ting-Kai Leung
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The development of photoluminescent of BIOCERAMIC(PLB) and BIOCERAMIC resonance are based on BIOCERAMIC material, is a kind of non-ionized radiation spectrum emitting material possesses characteristics of weakening effect on water hydrogen bonds. The effect is corresponding to our previous medical-biological studies, such as microcirculation enhancement. Herein, a review is to conclude our previous study on therapeutic effect of PLB or BIOCERAMIC resonance. They are include: glucose level control on diabetics by animal model; improved motor activity on middle cerebral arterial occlusion(MCAO) of rats by PLB treatment; normalizing ability to the mean current level measurement of acupuncture points on skin by PLB irradiation; enhanced propagated sensation along meridians‟ (PSM) phenomenon with clinical benefits by PLB effect on different meridian channels; combine effects of PLB and BIOCERAMIC resonance on many disorders such as insomnia, migraine(a chronic sympathetic nervous system disorder) and other autonomic nervous system disorder, associate clinical improvements. Thus, application of BIOCERAMIC technology for complementary therapy has scientific evidence based with good expectation. Running title: BIOCERAMIC therapy
Keywords: BIOCERAMIC; Resonance; photoluminescent; Meridian; Diabetics; parasympathetic; ANS
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Ting-Kai Leung, "Photoluminescence of Bioceramic Materials and Bioceramic Resonance"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Comparative Study of Low Power Low Area Bypass Multipliers for Signal Processing Applications
Nithya J, Sathiyabama G, Revathi K
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This paper presents a comparative study of 1-dimensional bypassing multipliers on basis of delay, area and power. If we can reduce the power consumption of the multiplier block, then we can reduce the power consumption of various digital signal processing chips and communication systems. In 2-dimensional bypass multiplier is presented the effective analysis of Slices, Lut, Cost & area is achieved. The implementation of Braun multipliers and its bypassing techniques is done using Verilog HDL using Xilinx 12.4 ISE. Results are showed and it is verified using the Spartan-3E and Synopsys respectively.
Keyword: Bypassing, Multipliers, Delay, Power, Area, Comparison.
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Nithya J, Sathiyabama G, Revathi K, "Comparative Study of Low Power Low Area Bypass Multipliers for Signal Processing Applications"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Brain Fingerprinting Technology
Ms.J.R.Rajput, Ms. P.M. Deshpande, Prof.A.R.Wadhekar
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Brain Fingerprinting is a new computer-based technology to identify the perpetrator of a crime accurately and scientifically by measuring brain-wave responses to crime-relevant words or pictures presented on a computer screen. Brain Fingerprinting has proven 100% accurate in over 120 tests, including tests on FBI agents, tests for a US intelligence agency and for the US Navy, and tests on real-life situations including felony crimes. Brain fingerprinting is based on finding that the brain generates a unique brain wave pattern when a person encounters a familiar stimulus Use of functional magnetic resonance imaging in lie detection derives from studies suggesting that persons asked to lie show different patterns of brain activity than they do when being truthful. Issues related to the use of such evidence in courts are discussed. The author concludes that neither approach is currently supported by enough data regarding its accuracy in detecting deception to warrant use in court. In the field of criminology, a new lie detector has been developed in the United States of America. This is called "brain fingerprinting". This invention is supposed to be the best lie detector available as on date and is said to detect even smooth criminals who pass the polygraph test (the conventional lie detector test) with ease. The new method employs brain waves, which are useful in detecting whether the person subjected to the test, remembers finer details of the crime. Even if the person willingly suppresses the necessary information, the brain wave is sure to trap him, according to the experts, who are very excited about the new kid on the block.
Keyword: Brain fingerprinting, Unique brain wave pattern, magnetic resonance
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Ms.J.R.Rajput, Ms. P.M. Deshpande, Prof.A.R.Wadhekar, "Brain Fingerprinting Technology"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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- Pattern based approach for Natural Language Interface to Database
Niket Choudhary, Sonal Gore
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Natural Language Interface to Database (NLIDB) is an interesting and widely applicable research field. As the name suggests an NLIDB allows a naive user to ask query to database in natural language. This paper presents an NLIDB namely Pattern based Natural Language Interface to Database (PBNLIDB) in which patterns for simple query, aggregate function, relational operator, short-circuit logical operator and join are defined. The patterns are categorized into valid and invalid. Valid patterns are directly used to translate natural language query into Structured Query Language (SQL) query whereas an invalid pattern assists the query authoring service in generating options for user so that the query could be framed correctly. The system takes an English language query as input, recognizes pattern in the query, selects one of the before mentioned features of SQL based on the pattern, prepares an SQL statement, fires it on database and displays the result.
Keyword: natural language interface, pattern based, relational database, SQL
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Niket Choudhary, Sonal Gore, "Pattern based approach for Natural Language Interface to Database"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
- Concrete Poetry and It's Varieties in Persian Poetry
Mohammad Javad Erfani Beyzaee and Zeynab Alipoor Keyvanlood
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Abstract:
Concrete poetry is a form of visual poetry which is known as imaginary poetry, in Persian language. We can enter the genealogy of concrete poetry from two perspectives, First Persian acrostic Moshajjar and Mottayar poetry, the other one is French poet, Guillaume Apollinaire lyrics, which is known to Cali grams.But the systematic concrete poetry formed by poets such as Eugene Gvmanzhh, Gstvdh Pygmatary Campos and in South America.In contemporary Iranian poetry, visual aspect of poetry considered by poets and different varieties of this type has been created. Unlike traditional poetry, which is dependent on words, elements of fantasy, metaphors and symbols, Concrete poetry realization requires an understanding of the visual aspect of it, which is achieved through cooperation of concrete elements and techniques.This kind of poetry has a direct relationship with exploration, understanding and audience reception.In fact, it is the audience who makes and completes the work, by receiving the hidden layer of poetry. The poet does not end the poetry,because the audience completes the text by exploring the relationship between implicit and explicit and reading the unwritten parts. In this study, we follow the historical discussion of concrete poetry,and the way it shaped, and how the poets entered concrete poetry,and we try to present a new classification, according to the poems that have been classified as concrete.
Keyword: Concrete poetry, Visual poetry, Image, Contemporary poets
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Mohammad Javad Erfani Beyzaee and Zeynab Alipoor Keyvanlood, "Concrete Poetry and It's Varieties in Persian Poetry"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
- Study of Simulated Temperature of Butt Joint during Friction Stir Welding Of Aluminium Alloy by Using Hyperworks
Mohd Anees Siddiqui, S.A.H. Jafri, Shahnawaz Alam
[Abstract]
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Abstract:
Friction stir welding (FSW) is one of the latest welding technology that utilizes a special tool for generation of frictional heat in the work piece by its rotation due to which joining occurs without melting of metal. For this reason friction stir welding lies under the category of solid state joining. A part from experimental work, there is large space to work on simulation of FSW by using simulation tools. In the present paper, simulation of friction stir welding of aluminium alloy AA-6061 is done by using HyperWeld module of Altair HyperWorks. The virtual experiment of friction stir welding is conducted for variable tool rotational speeds with constant travelling speed and study of simulation results of variation in temperature distribution along the weld line of butt joint is done. The results of simulation shows that the temperature is symmetrically distributed along the weld line. It is observed that the maximum temperature along the weld line increases with the increase in rotational speed. It is also observed that the temperature at advancing side is greater that retreating side.
Keyword: Friction stir welding, Temperature distribution, HyperWeld.
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Mohd Anees Siddiqui, S.A.H. Jafri, Shahnawaz Alam, "Study of Simulated Temperature of Butt Joint during Friction Stir Welding Of Aluminium Alloy by Using Hyperworks"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
- Design & Simulation Of 3-Phase, 15-Level Inverter with Reverse Voltage Topology
Durga Bhavani. Peeta, Sathish Kumar.K
[Abstract]
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Abstract:
Multilevel inverters have been widely accepted for high-power high-voltage applications. Their performance is highly superior to that of conventional Seven-level inverters due to reduced harmonic distortion, lower electromagnetic interference, and higher dc link voltages. In this paper, a new topology with a reversing-voltage component is proposed to improve the multilevel performance. This topology requires fewer components compared to existing inverters (particularly in higher levels) and requires fewer carrier signals and gate drives. Therefore, thecomplexity is greatly reduced particularly for higher output voltage levels. The Proposed 15-level inverter is modelled and simulated in Matlab 2012a using Simulink and Sim Power Systems set tool boxes
Keyword: Multilevel inverter, power electronics, SPWM, topology.
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Durga Bhavani. Peeta, Sathish Kumar.K, "Design & Simulation Of 3-Phase, 15-Level Inverter with Reverse Voltage Topology"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
- Effects oftheExchange Interaction Parameter onthePhase Diagrams fortheTransverse Ising Model
Bayor Jude Simons, BaohuaTeng, Manoj Kumar Shah
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Abstract:
The microscopic effect of the exchange interaction parameter for the 2-Dimensional ising model with nearest neighbor interaction has been studied. By supposing simple temperature dependent relationship for the exchange parameter, graphs were straightforwardly obtained that show the reentrant closed looped phase diagrams symptomatic of some colloids and complex fluids and some binary liquids mixtures in particular. By parameter modifications, other phase diagrams were also obtained. Amongst which are the u-shapes and other exotic shapes of phase diagrams. Our results show that the exchange interaction parameter greatly influence the size of the ordered phase. Hence the larger the value of the constant, the larger the size of the ordered phase. This means that the higher values of the exchange parameter brings about phase transitions that straddle a wider range of polarizations and temperatures.
Keyword: closed loop, exchange interaction, order-disorder, phase diagram, reentrant behavior, transverse Ising model (TIM).
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Bayor Jude Simons, BaohuaTeng, Manoj Kumar Shah, "Effects oftheExchange Interaction Parameter onthePhase Diagrams fortheTransverse Ising Model"Vol. 5 - Issue 1 (January - 2015), International Journal of Engineering Research and Applications (IJERA) , ISSN: 2248-9622 , www.ijera.com
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