Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network

Open Access. Powered by Scholars. Published by Universities.®

Engineering

PDF

SelectedWorks

Selected Works

Inter­na­tional Jour­nal of Engi­neer­ing Research (IJER)

Publication Year

Articles 1 - 30 of 105

Full-Text Articles in Entire DC Network

Tilting Mechanism For A Four Wheeler, Dr V Balambica, Er Vishwa Deepak Dec 2015

Tilting Mechanism For A Four Wheeler, Dr V Balambica, Er Vishwa Deepak

Innovative Research Publications IRP India

Here in this paper a tilting mechanism is carried out for a normal fuel run track car to give it the flexibility of a motor cycle. This feature enables the car to tilt in to the curve while negotiating it. Our analysis shows that to increase the maximum curve at speed by more than 50%. The method we have used is a simple mechanical tilting system controlled by a simple DC stepper motor which is controlled electronically. This tilting mechanism if successful should dramatically increase the maximum speed in curves. This should also provide the advantages of increased passenger comfort …


Step-By-Step Check Response Of Pv Module Modeling Tested By Two Selected Power Reference Modules, A. M. Soliman,, K. Abdel-Aty Dec 2015

Step-By-Step Check Response Of Pv Module Modeling Tested By Two Selected Power Reference Modules, A. M. Soliman,, K. Abdel-Aty

Innovative Research Publications IRP India

Photovoltaic (PV) systems are becoming nowadays an attractive solution to overcome energy demands and pollution reduction. Several issues under research such as PV MPPT, PV Distributed generation, PV On-Grid systems, and PV off Grid systems need a modeling of PV module as an important initial step in these researches. This paper presents a mathematical model of a PV module using Matlab which this model was checked in response step by step to be guidance for researchers understanding in these areas. In the mean time, the modeling final results are compared by two different commercial reference models for verification purpose which …


Study Of Structural Performance And Durability Of Concrete By Partial Replacement Of Cement With Hypo Sludge (Paper Waste), K Hari Kishan, N .Vidyasagar Lal,, 3 Sateesh Konni Dec 2015

Study Of Structural Performance And Durability Of Concrete By Partial Replacement Of Cement With Hypo Sludge (Paper Waste), K Hari Kishan, N .Vidyasagar Lal,, 3 Sateesh Konni

Innovative Research Publications IRP India

Utilization of industrial waste products as supplementary cementitious materials (SCM) in concrete making is very important aspect in view of economical, environmental and technical reasons. As these supplementary cementitious materials have different chemical and mineralogical composition, their effect on micro structural properties and strength performance vary considerably. While producing paper, various wastes come out from the various processes in paper industries. The preliminary waste from paper industry is named as hypo sludge. In this study the material obtained from the paper industry waste (hypo sludge) is admixed with Portland cement at different replacement levels. The properties of concrete investigated include …


Application Of Design Failure Modes And Effect Analysis (Dfmea) To Vertical Roller Mill Gearbox, Gaurav J. Pawar 1 ,, Soumendu J. Mukhopadhyay 2 Dec 2015

Application Of Design Failure Modes And Effect Analysis (Dfmea) To Vertical Roller Mill Gearbox, Gaurav J. Pawar 1 ,, Soumendu J. Mukhopadhyay 2

Innovative Research Publications IRP India

Design FMEA is structured method of identifying potential failure modes and providing corrective actions before first production run occurs. This paper aims to provide probable causes of failure, levels of effects of failure and corrective actions to be taken in the design phase for BevelPlanetary Vertical Roller Mill Gearbox.


Airborne Internet Providing Tethered Balloon System, Suvriti Dhawan, Mohit Vishal, Anmol Taploo, Amanjot Singh, Shiny Praveen Thote Dec 2015

Airborne Internet Providing Tethered Balloon System, Suvriti Dhawan, Mohit Vishal, Anmol Taploo, Amanjot Singh, Shiny Praveen Thote

Innovative Research Publications IRP India

In this paper we shall introduce a new system for providing wireless network communication over a specified area using ’lighter than air’ balloons. This technology will replace the existing fiber optic network system. This will be done by using a tethered balloon along with the payload (containing a receiver, a transmitter and a radio communication device).This payload will be suspended from the ground at an altitude (depending on the area of coverage required). Users under this area will be able to access this system directly for internet connectivity. This system can be used over large areas like universities, companies and …


Microstructure And Wear Behavior Of As Cast Al-25mg2si-2cu-2ni Alloy, Geetanjali S. Guggari, Veena. Badiger, Dr. Shivakumar S Sep 2015

Microstructure And Wear Behavior Of As Cast Al-25mg2si-2cu-2ni Alloy, Geetanjali S. Guggari, Veena. Badiger, Dr. Shivakumar S

Innovative Research Publications IRP India

The remarkable feature of the Aluminium is its low density and ability to withstand corrosion effect due to phenomenon of passivation. Structural components made from Aluminium and its alloys are vital to the aerospace industry and are important in other areas of transportation and structural materials. The oxides and sulphate are useful compounds of Aluminium based on its weight. In this work, an attempt has been made to utilize the combined effect of high cooling rate solidification, unique micro structural evolution mechanism of T6 heat treatment the advantages of hypereutectic Al-Si system alloyed with other elements such as Cu, Fe …


Design And Analysis Of Automatic Car Park System With Capacity Control, Musa Mohammed Gujja, Umar Abubakar Wakta Aug 2015

Design And Analysis Of Automatic Car Park System With Capacity Control, Musa Mohammed Gujja, Umar Abubakar Wakta

Innovative Research Publications IRP India

The need for an automatic car park gate system has been in increase in recent times following the economic situation in present days. The circuit is aimed at eliminating manual operation of a car park. It incorporate the use of LM741 op-amp and CD4017 decade counter for controlling the number of vehicle that can have access to the parking premises and the circuit is fixed close to the gate with the sensor tragically located where it can sense the presence of a car. The light dependent resistor (LDR) senses both entrance and exit of the cars and this followed the …


Experimental Evaluation Of Tensile Strength And Young’S Modulus Of Woven Jute Fiber And Polyurethane Composite, Shrikant Shinde, A. V. Salve Aug 2015

Experimental Evaluation Of Tensile Strength And Young’S Modulus Of Woven Jute Fiber And Polyurethane Composite, Shrikant Shinde, A. V. Salve

Innovative Research Publications IRP India

Natural fiber reinforced composites (NFRCs) are increasingly used in a variety of commercial applications, but there has been little theoretical, micromechanical modeling of structure/property relationships in these materials. These can’t be met by conventional metal alloys. The scope of possible uses of natural fibers is enormous.Plenty of research work is done on natural fiber composites. But, woven jute fiber and bio based polyurethane resin matrix is not used extensively for research studies. Mostly mathematical model is used to investigate and predict the properties and fiber loads effect on mechanical properties. The combination of jute fiber with PU produced the material …


Assessment Of The Stability Of A Four Legged Robot Manipulator, Dr. Awad Eisa G. Mohamed Aug 2015

Assessment Of The Stability Of A Four Legged Robot Manipulator, Dr. Awad Eisa G. Mohamed

Innovative Research Publications IRP India

This paper deals with static stability of a four legged robot manipulator when it moves with trot gait. In this paper, the stability analysis based on dynamics of walking usually proposed for the analysis of walking system studied and identified its limits and ambiguity. After identifying the key issues of stability, it has been identified that moment around the supporting diagonal line of quadruped in trotting gait largely influences walking stability. Therefore Moment around the supporting diagonal line of quadruped in trotting gait is modeled and its effects on body attitude (roll and pitch) are analyzed. The degree of influence …


Performance Of Discrete Wavelet Transform Based On Ofdm With Adaptive Modulation, Weaam Talaat Ali Aug 2015

Performance Of Discrete Wavelet Transform Based On Ofdm With Adaptive Modulation, Weaam Talaat Ali

Innovative Research Publications IRP India

In the mobile environments, the channel will be highly hostile at high data rate transmission. To combat with this problem, many designs were proposed and developed, such as, Orthogonal Frequency Division Multiplexing (OFDM) system. Adaptive modulation improves the system efficiency by matching transmission parameters to channel variations, so that, OFDM system with Adaptive modulation technique will be achieved an efficient bandwidth transmission technique in wireless fading environments. In this paper, Discrete Wavelet Transform (DWT) is used in OFDM system and illustrates the improvement of Bit Error Rate (BER) and throughput performances compared with used Discrete Fourier Transform (DFT). DWT with …


Distributed Efficient Channel Allocation Technique For Multi-Radio Multichannel Interference-Aware Multi-Path Routing Protocol In Wireless Mesh Networks., Shreenidhi. P. L, Puttamadappa. C Aug 2015

Distributed Efficient Channel Allocation Technique For Multi-Radio Multichannel Interference-Aware Multi-Path Routing Protocol In Wireless Mesh Networks., Shreenidhi. P. L, Puttamadappa. C

Innovative Research Publications IRP India

The major change in the wireless network standards has attracted researchers to utilize benefits of several data services in various applications. Wireless Mesh Networks which follows 802.11 standards are very best alternative to Local Area Networks and Metropolitan Area Networks. There is a need for better utilization of the 802.11 spectrum in Mesh Networks environment when transmitting data through mesh networks. Recent work shows the increase in utilization of 802.11 spectrum for wireless mesh networks. An effort has been made to design and develop a distributed, self healing, self stabilizing protocol that’s assigns channels to mesh nodes in large wireless …


Steady State Analysis Of Wind Driven Sm-Bdfig In The Super-Synchronous Range Of Operation, Mahmoud A. Saleh, Maged N. F. Nashed,, Mona N. Eskander Aug 2015

Steady State Analysis Of Wind Driven Sm-Bdfig In The Super-Synchronous Range Of Operation, Mahmoud A. Saleh, Maged N. F. Nashed,, Mona N. Eskander

Innovative Research Publications IRP India

In this paper a simplified mathematical model of a single machine brushless double fed induction generator (SM-BDFIG) connected to a variable speed wind turbine is presented. The SM-BDFIG consists of a slip ring induction machine, which is the main generator, a converter, and a battery pack mounted on the same shaft. In the supersynchronous speed range of operation, which is investigated in this research paper, the rotor voltage is rectified and used to charge the batteries. The steady state performance of the proposed generator is studied at different values of battery open circuit voltage, different values of the battery internal …


Design And Modeling Of A Novel Micro-Power Generator Based On Harvesting Omni-Directional Vibration Energy, E. Elsherbiny, M. T. Elhagry, M. S. M. Soliman, Essam Abu Elzahab Aug 2015

Design And Modeling Of A Novel Micro-Power Generator Based On Harvesting Omni-Directional Vibration Energy, E. Elsherbiny, M. T. Elhagry, M. S. M. Soliman, Essam Abu Elzahab

Innovative Research Publications IRP India

In This paper reports on the integration of several technologies to realize, by modeling and design the first twodimensional (2D) micro power generator which harvesting multi-directional vibration energy from surrounding environmental, which consists of composite cylindrical system with fixed coil and two rounded axial Neodymium permanent magnets


Preventive Maintenance By Vibratory Analysis: Case Study, Amal Boukili, Mohammed Hammoumi Aug 2015

Preventive Maintenance By Vibratory Analysis: Case Study, Amal Boukili, Mohammed Hammoumi

Innovative Research Publications IRP India

The majority of the industrial machine components have to satisfy to the requirements of the high quality and incessantly increasing; so the machines maintaining in good state during the production has became a fundamental point for a product or a company success. Through the measure of the predictive maintenance, it is possible to satisfy these complex requirements with success and to reduce the costs of maintenance. However, an optimization of the maintenance is realized by a continued monitoring of degradation, by way of a control system on line “On Line”, which can respond to industrial imperatives and which provides to …


Power Quality Improvement By 11 Level Multilevel Inverter With Reduced Number Of Switches, P. T.Krishna Sai, Mahammad. Iliyas Aug 2015

Power Quality Improvement By 11 Level Multilevel Inverter With Reduced Number Of Switches, P. T.Krishna Sai, Mahammad. Iliyas

Innovative Research Publications IRP India

This paper deals with 11-level multilevel inverter. Almost all the drawbacks of the conventional multilevel inverters is rectified by the proposed topology. This topology uses less number of switches as compared with conventional topology, where it reduces the complexity and overall size of the system which in turn reduces the harmonics and cost of the entire system. Fewer switches will be conducting for specific time intervals so switching loss is also reduced in the proposed topology. A 11-level inverter simulation is carried with the implementation of nearest level control. The proposal is validated by extensive simulation studies.


Design Of 8-Element Linear Array With Practical Problem Diagnosis Of Faulty Element Using Particle Swarm Optimization, Vishal Puri, Shaveta Puri Jul 2015

Design Of 8-Element Linear Array With Practical Problem Diagnosis Of Faulty Element Using Particle Swarm Optimization, Vishal Puri, Shaveta Puri

Innovative Research Publications IRP India

Design of 8 element linear array as a model set up by using IE3D setup. Satellite applications involve millions of elements Defect in an element is difficult to diagnose and require optimization approach. The paper intends to design 8 element arrays as a satellite model and making its element defective for diagnosis Particle swarm optimization technique is used for the purpose of diagnosis. Detection of defective element in a satellite antenna requires optimized approach A calibration system can be used in satellite itself but in case of any failure, calibration can also be defective. So the good solution will be …


Mudflow Disaster Damage Job Opportunity, Disrupt Social Life And Settlement, Thus Requiring Resettlement. Need To Understand Whether Physical Condition Of Resettlement Is In Accordance With Background And Housing Preference Of Victim, Due To Significant Differences Of Housing Design. Aspects Studied Were Characteristic Of Resettlement, Physical Condition Of House And Socio-Economic Mobility. Research Was Done Using Qualitative Method. Technique Of Data Collection Was Used Retrospective Interviews And Observation. This Research Result Indicates That Most Participants Experienced Conformity In House Physical Condition And Socioeconomic Mobility. Reason Of Unconformity Condition Is Housing Facility Which Has Not Meet Housing Standard., Gitanjali Biranga, S V. . Admane, S S. Shinde Jul 2015

Mudflow Disaster Damage Job Opportunity, Disrupt Social Life And Settlement, Thus Requiring Resettlement. Need To Understand Whether Physical Condition Of Resettlement Is In Accordance With Background And Housing Preference Of Victim, Due To Significant Differences Of Housing Design. Aspects Studied Were Characteristic Of Resettlement, Physical Condition Of House And Socio-Economic Mobility. Research Was Done Using Qualitative Method. Technique Of Data Collection Was Used Retrospective Interviews And Observation. This Research Result Indicates That Most Participants Experienced Conformity In House Physical Condition And Socioeconomic Mobility. Reason Of Unconformity Condition Is Housing Facility Which Has Not Meet Housing Standard., Gitanjali Biranga, S V. . Admane, S S. Shinde

Innovative Research Publications IRP India

Energy efficiency has nowadays become one of the most challenging tasks and this has boosted research on fresh fields, such as Ambient Intelligence. Energy consumption in the housing and tertiary sectors is especially high in developed countries. There is a great potential for energy savings in these sectors. Energy conservation measures are developed for newly constructed buildings and for buildings under restoration. However, to achieve a significant diminution in energy consumption apart from the standard energy-efficiency methods, pioneering technologies should be implemented, including renewable energy. Now, buildings are increasingly anticipated to meet higher and more complex performance requirements. Among these …


Implementation Of Regular Linear Carry Select Adder With Binary To Excess-1 Converter, K. Bala Sindhuri Jul 2015

Implementation Of Regular Linear Carry Select Adder With Binary To Excess-1 Converter, K. Bala Sindhuri

Innovative Research Publications IRP India

Regular Linear Carry Select Adder (RCSLA) is one of the fastest adders. From the structure of RCSLA, there is scope to reduce area by using Binary to Excess-1 converter (BEC) technique. By using BEC technique in RCSLA 16, 32, 64 bit architectures have been developed and compared with Regular Linear Carry Select Adder. The modified architectures have reduced area and power with slight increase in delay. Simulation and Synthesis are carried on Xilinx ISE 12.2.The result analysis shows that the modified architectures are better than RCSLA.


Dynamic Performance Of A Single Machine Brushless Dfig During Wind Speed Variation, Mona N. Eskander, Mahmoud A. Saleh, Maged N. F. Nashed Jul 2015

Dynamic Performance Of A Single Machine Brushless Dfig During Wind Speed Variation, Mona N. Eskander, Mahmoud A. Saleh, Maged N. F. Nashed

Innovative Research Publications IRP India

In this paper, the dynamic performance of the specially-designed Single Machine Brushless Doubly-Fed Induction Generator "SM-BDFIG" coupled to variable speed wind turbine is investigated. The rotor voltage of the SM-BDFIG during super-synchronous operation is used to charge a number of batteries, connected to the rotor via a 3- phase bridge rectifier. The number of charged battery cells are changed, by parallel and series connections, according to the wind speed variation, and consequently, the rotor voltage variation. The response of the stator, rotor, and DC link voltages and currents due to wind speed variations is presented. The electromagnetic torque, the stator …


Design & Development Of Fpga Based Vme Bus Controller, Himali Patel, Poornima Talwai Jul 2015

Design & Development Of Fpga Based Vme Bus Controller, Himali Patel, Poornima Talwai

Innovative Research Publications IRP India

The VME bus interface Controller (VIC068A) is used to interface Local CPU bus and VME bus. VME Bus Controller is used in wide application areas where high reliability, good accuracy and high speed are desired to withstand industrial environment like nuclear power plant and process industries. VME Bus controller can configure as Master, Slave, Interrupt Handler, arbiter as well as power monitor. Commercial VME Bus interface controller chips are available from a few vendors and are very expensive. As time goes VME Bus Controller Chips become absolute and vendor support will not be provided. To solve part obsolescence problem and …


Improving Seismic Performance Of Concrete Buildings With Special Moment Frames Using Viscous Damper, Mohammad Javad Dehghan, Mostafa Soleymannejad Jul 2015

Improving Seismic Performance Of Concrete Buildings With Special Moment Frames Using Viscous Damper, Mohammad Javad Dehghan, Mostafa Soleymannejad

Innovative Research Publications IRP India

The present study attempted to investigate the effect of viscous damper on the performance of 10 and 16-story structures. Data modeling was done based on PERFORM 3D software and energy absorption amount was examined in different modes through viscous dampers. To investigate the effects of the so called dampers on the seismic behavior of the structures, the performance of special moment frames with and without viscous damper with the 20% to 30% Resistance against earthquake damages was considered. Also, hysteresis diagram was studied. The research findings revealed an appropriate effect of viscous dampers on decreasing seismic effects of earthquake such …


Effects Of Heat-Treatments On Tensile Strength And Electrical Conductivity Of Locally Formulated Al-Ni Alloys, R. A. Muriana, O. K. Abubakre, S. B. Tajiri Jul 2015

Effects Of Heat-Treatments On Tensile Strength And Electrical Conductivity Of Locally Formulated Al-Ni Alloys, R. A. Muriana, O. K. Abubakre, S. B. Tajiri

Innovative Research Publications IRP India

This Paper investigated effects of annealing and age hardening on the ultimate tensile strength (UTS) and electrical conductivity of aluminium-nickel cast using sand mould. Pure aluminium melt was alloyed with nickel, which was added in 2% to 10% step 2. Annealing and age hardenings were carried out and obtained results showed that Al-2%Ni alloy has the highest UTS of 604.44MPa. On the other hand, Al-6%Ni Annealed alloy has the highest electrical conductivity, with a value of 6.15 × 107 S/m. The Al-4%Ni alloy combined both high strength and conductivity, having UTS of 603.28MPa and electrical conductivity of 5.69 × 107 …


Accident Prevention By Eye Blinking Sensor And Alcohol Detector, Deepa K. B, Chaitra M, Ankit Kumar Sharma, Sreedhar V. S, Prashanth Kumar H.K Jul 2015

Accident Prevention By Eye Blinking Sensor And Alcohol Detector, Deepa K. B, Chaitra M, Ankit Kumar Sharma, Sreedhar V. S, Prashanth Kumar H.K

Innovative Research Publications IRP India

This system provides a unique method to curb drunken and drowsy people. This system has an alcohol sensor and eye blinking sensor embedded in the vehicles. Whenever the driver start vehicle, the sensors senses the eye blink and measures the content of alcohol in his breathe and automatically sends the signal to buzzer, gsm and lcd. In this system the outputs of sensors are given to the microcontroller for comparison. If the value reaches to fixed limit then automatically gsm will send the sms, buzzer will produces sound and lcd will display the message.


Electromagnetic Interference Shielding Of Mwcnt/ Mu-Metal/Polyvinylidene Fluoride Nanocomposite, C. Sarala Rubi, S. Gowthaman, N. G. Renganathan Jul 2015

Electromagnetic Interference Shielding Of Mwcnt/ Mu-Metal/Polyvinylidene Fluoride Nanocomposite, C. Sarala Rubi, S. Gowthaman, N. G. Renganathan

Innovative Research Publications IRP India

Electromagnetic Interference (EMI) Shielding material containing a blend of multi walled carbon nano tube (MWCNT) and mumetal has been prepared and their electromagnetic shielding capabilities were characterised through XRD, SEM, EDAX, etc. The shielding effectiveness (SE) was measured using vector network analyser in X-band frequency range (8-12 GHz).


Induction Hardening And Microstructure Analysis Of Micro-Alloyed Steel Roller Shaft Of An Undercarriage, S. Gajanana, B. Suresh Kumar Reddy, T. Shivendra Lohit, K. Anil Kumar Reddy, Ankur Jain Jul 2015

Induction Hardening And Microstructure Analysis Of Micro-Alloyed Steel Roller Shaft Of An Undercarriage, S. Gajanana, B. Suresh Kumar Reddy, T. Shivendra Lohit, K. Anil Kumar Reddy, Ankur Jain

Innovative Research Publications IRP India

The current work focuses on study of input parameters of induction hardening process of micro-alloyed steel roller shaft of an Undercarriage. Regression relation is generated for hardness using Response Surface Methodology (RSM) by using Design Expert Software as a tool for optimization. Further, the micro structure of selected shafts was analyzed.


Comparative Study Of The Energy Absorption Capacities Of Xps And Xpe Foam Filled Aluminium Square Tubes Under Quasi-Static Axial Compression, Suman Bargav. R, Venkataswamy. K. S, Suresh P. M Jul 2015

Comparative Study Of The Energy Absorption Capacities Of Xps And Xpe Foam Filled Aluminium Square Tubes Under Quasi-Static Axial Compression, Suman Bargav. R, Venkataswamy. K. S, Suresh P. M

Innovative Research Publications IRP India

Quasi-static compression tests were performed on empty and foam filled Aluminium square tubes. Two different foam types: Extended Polystyrene (XPS) and Extended Polyethylene (XPE) were used to fill the empty tubes. In this paper experimental and numerical simulations were performed to investigate the effect of foam filling on crashworthiness parameters.


Downlink Scheduling In Long Term Evolution, Innovative Research Publications Irp India, Anwar Hossain, Afm Zainul Abadin Jun 2015

Downlink Scheduling In Long Term Evolution, Innovative Research Publications Irp India, Anwar Hossain, Afm Zainul Abadin

Innovative Research Publications IRP India

This is an investigated research article on resource block scheduling of Long Term Evolution (LTE). LTE is one of the evolutions of the Universal Mobile Telecommunication System (UMTS). It provides internet access to mobile users through smart phone, laptop and other android devices. LTE offers a high speed data and multimedia services. It supports data rates up to 100 Mbps in the downlink and 50 Mbps in the uplink transmission. Our research investigation was aim to the downlink scheduling. We have considered The Best CQI scheduling algorithm and the Round Robin scheduling algorithm. The implementation, analysis and comparison of these …


Generic Model Control Of Biomethanation Process, Innovative Research Publications Irp India, Ahmed S. Abd El-Hamid, Ahmed E. Hussian, Aly M. Radwan Jun 2015

Generic Model Control Of Biomethanation Process, Innovative Research Publications Irp India, Ahmed S. Abd El-Hamid, Ahmed E. Hussian, Aly M. Radwan

Innovative Research Publications IRP India

This paper focuses on the design of Generic Model Control (GMC) algorithm for the control of the acetate concentration in a biomethanation process with production of methane gas. A nonlinear dynamic model for the biomethanation process is used in the derivation of the control law of Generic Model Control scheme. The controller parameters are estimated using the Trial and Error method. The effectiveness and performance of the proposed control strategy is illustrated by a MATLAB program under various operation conditions and disturbances. The simulation results obtained confirmed the good quality of the control


Levenberg – Marquardt’S Algorithm Used For Pid Controller Parameters Optimization, Innovative Research Publications Irp India, Ahmed S. Abd El-Hamid, Ahmed H. Eissa, Aly M. Radwan Jun 2015

Levenberg – Marquardt’S Algorithm Used For Pid Controller Parameters Optimization, Innovative Research Publications Irp India, Ahmed S. Abd El-Hamid, Ahmed H. Eissa, Aly M. Radwan

Innovative Research Publications IRP India

The determination of parameters of controllers is an important problem in automatic control systems. In this paper, the Levenberg Marquardt (LM) Algorithm is used to effectively solve this problem with reasonable computational effort. The Levenberg Marquardt (LM) Algorithm for optimization of three term (PID) controller parameters with dynamic model of pH neutralization process is presented. The main goal is to show the merits of Levenberg Marquardt algorithm optimization and to determine its suitability in the area of control systems. Lastly, the application of this approach to the calculation of the parameters of PID controller shows that the Levenberg Marquardt (LM) …


Modeling And Simulation Of Ldmos Device, Innovative Research Publications Irp India, Sunitha Hd, Keshaveni N Jun 2015

Modeling And Simulation Of Ldmos Device, Innovative Research Publications Irp India, Sunitha Hd, Keshaveni N

Innovative Research Publications IRP India

Laterally Diffused MOSFET (LDMOS) are widely used in modern communication industry and other applications. LDMOS offers various advantages over conventional MOSFETs with little process change. In the present paper, an LDMOS device is modeled and simulated in SILVACO device simulator package using the ATHENA and ATLAS modules. The complete fabrication process is modeled and the device performance is simulated. The modeled device gives a 46 V breakdown voltage for a device gate length of 5µm. The device threshold voltage is 0.97V. The device characteristic are also simulated and presented