electrical machine IEEE PAPER
A new analytical approach to nonlinear vibration of an electrical machine
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In this paper, the nonlinear dynamic behaviour of an electrical machine exhibiting nonlinear vibration is investigated using a new analytical technique, namely Optimal Homotopy Asymptotic Method. This study provides an effective and easy to apply procedure which is
Study of an innovative electrical machine fitted to marine current turbines
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Abstract:This paper is included into the theme challenges for marine renewable energy. It discusses an innovative concept of electrical machine that should be particularly fitted to marine current turbine generators. Our investigations focus on permanent magnet direct-
A direct approach to electrical machine performance evaluation: Torque density assessment and sizing optimization
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Abstract Electrical machine design should be approached as a system optimization, more than a simple machine sizing when the machines are fed by a power converter. A great variety of electrical machines are available to accomplish this goal, and the task of Contents In this paper the inductances of electrical machine windings for arbitrary shape of the air-gap are the subject of interest. Introducing sinusoidally distributed (harmonic) windings as a hypothetical equivalent to the actual windings, a general formula for the
Pseudo differential models for propagation and dissipation phenomena in electrical machinewindings
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Electrical machine modelling, transmission line, pseudo-differential operators, diffusive
Characterizing the heat transfer on the end-windings of an electrical machine for transient simulations
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Abstract:This article presents a method to determine the convective heat transfer coefficient on the end windings of an induction motor. Based on dimensional analysis and heat transfer coefficient values derived by computational fluid dynamics, a correlation between given
Design and Control of an Electrical Machine for Flywheel Energy-Storage System
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Abstract Flywheel energy storage systems are now considered as enabling technology for many applications including space satellite low earth orbits, pulse power transfer, hybrid
Diffusion-electrical phenomena in a plasma confined in a tokamak machine
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We calculate the particle and heat fluxes due to the presence of conduction current and of the currentinducing electric field in the Tokamak machine. The additional fluxes are directed to the interior of the plasma and therefore the process of diffusion recalls the well known
Vibration monitoring on electrical machine using Vold-Kalman filter order tracking
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Summary Conventional rotating machine vibration monitoring techniques are based on the assumption that changes in the measured structural response are caused by deterioration in the condition of the rotating machine. However, due to changing rotational speed, the
Electromagnetic field analysis for electrical machine design
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Introduction a. Two-dimensional Non-linear Magnetostatic Field Modeling b.-d. Finite Elements and Field Solution e. Application to Electrical Apparatus Modeling of Permanent Magnet Devices a.-b. Two-dimensional Formulation c.-d: Applications and Force
Determination of coefficients of thermal convection in a high-speed electrical machine
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This master's thesis is done in the Department of Electrical Engineering in Helsinki University of Technology. The thesis is done in conjunction with the laboratory's work on
Analysis of an axial flux permanent magnet machine (AFPM) based on coupling of two separated simulation models (electrical and thermal ones)
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The paper deals with a transient thermal analysis of an air-cooled AFPM machine with a one rotor-two stators configuration. Two separated models of the machine are coupled: an electrical model and a thermal one. In calculation, the change of the stator winding
Review of electrical machine in downhole application and the advantages
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Abstract:To enable safe, economical and environmentally acceptable solutions for improving oil and gas recovery from mature fields and for exploitation of deep and ultra- deep offshore reservoirs, new downhole technologies are required. Electrification of
The response of electrical machine stators to magnetic forcing
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ABSTRACT. Vibration in electrical machines is an area of increasing interest for numerous reasons which include stricter legislation and standards, new cheaper machine designs, use
Determination of temperature field distribution and rate of heat transfer by means of thermal-electrical analogy in DC machine
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Abstract:-In this paper is presented an analysis method of electrical circuits, more exactly nodal method, in order to compute the temperature field distribution necessary to the heating and ventilation systems of electrical machine. As analysis method, the modified nodal
Self-running type electrical discharge machine using impact drive mechanism
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Abstract---An electrical discharge machine of a self-running type is developed to machine fine structures on a local area of a large workpiece. This electrical discharge machine consists of two parts; a mobile table and an electrode feeding device. This machine moves
IMPROVEMENT OF MACHINING ACCURACY IN WIRE ELECTRICAL DISCHARGE MACHINE
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Electrical Discharge Machine (EDM) is building up a major position in high accuracy die mold manufacturing process. However, recently, there is a bigger demand for higher accuracy shapes and higher quality surfaces in diemold industry as well as parts
Electrical energy consumption forecasting based on cointegration and a support vectormachine in China
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Abstract:-By undertaking a cointegration analysis with annual data over the period 1985~ 2005 in China, the estimation results show that there is cointegration relationship between electrical energy consumption and economic growth taking into account industry structure
On the geometric uncertainties of an electrical machine: stochastic modeling and impact on the performances
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Abstract:Mass production processes are generally sources of variability on the geometry of the product. A probabilistic approach is one way to take into account this variability and to evaluate its effect on the performances of the product. In this communication, we apply this
Some aspects of automated electrical erosion machine with wire electrode
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ABSTRACT: The command with personal computer of electrical erosion machine with wire electrode can be realized with integrated hardware resources which fulfill This paper propose the description of some modern integrated systems which can to fulfill a lot of
Integrated structural and electrical design of the linear permanent magnet synchronousmachine
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Abstract Linear permanent magnet generators are a potentially useful technology for wave power applications. Typically, optimisation and comparison of these generators is based on an electromagnetic analysis with limited regard for the structural analysis. This paper
Measurement Systems for Electrical Machine Monitoring
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Monitoring systems on electrical machines, nowadays largely present on new electrical rotating (synchronous generators) and non rotating machines (transformers) have to endure harsh conditions such as vibrations and electromagnetic disturbances. Also, especially for
Parametric optimization of Al-SiC12% metal matrix composite machining by Electricaldischarge machine
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Abstract In the present study, pure aluminium alloy is mixed with 12% SiC on weight basis to fabricate the metal matrix composite (MMC) material. The objective of this paper is to investigate the effect of process parameters such as pulse on time (Ton), peak current (Ip)
Automatic system for the DC high voltage qualification of the superconducting electricalcircuits of the LHC machine
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Abstract A dc high voltage test system has been developed to verify automatically the insulation resistance of the powering circuits of the LHC. In the most complex case, up to 72 circuits share the same volume inside cryogenic lines. Each circuit can have an insulation
OF MATERIAL PROCESSING STEPS ANNEALING AND CUTTING ON MAGNETIC MATERIALS'PROPERTIES RELEVANT FOR ELECTRICAL MACHINE
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ABSTRACT: Non grain oriented (NGO) electrical steel used in traction drives is mainly characterized by its magnetic properties, ie the specific loss, magnetic saturation polarization, and permeability. Additionally mechanical properties, eg manufacturability,
Investigation of wound rotor induction machine vibration signal under stator electrical fault conditions
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Abstract: This paper investigates wound rotor induction machine torque and vibration signals spectra for operation with and without a stator short-circuit or open-circuit winding fault. Analytical expressions that enable the healthy and faulty machine pulsating
Finite element models in electrical machine design
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Abstract:In the last thirty years, ongoing and fast developments of numerical techniques for the particular questions concerning electrical machinery can be noticed. This development can be seen in parallel with the efforts and success of the soft-and hardware computer
Electronic power converter for a flywheel unit with a synchronous electrical permanent magnet machine
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This study is on the design of an electronic power converter for use with a flywheel energy storage system for vehicle propulsion. The converter will be used for utilizing the energy in the flywheel storage unit on board an electrically driven city bus. The energy storage unit
Electrical quality assurance of the superconducting circuits during LHC machine assembly
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Abstract Based on the LHC powering reference database, alltogether 1750 superconducting circuits were connected in the various cryogenic transfer lines of the LHC machine. Testing the continuity, magnet polarity, and the quality of the electrical insulation were the main
A novel design of electrical transmission line inspection machine
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Abstract This article is aimed at modeling of transmission line inspection robot in order to improve the mechanical mechanism and achieving dynamical stability to navigate through overhead electrical transmission lines while passing obstacles. A new mechanical
A pilot study on the use of transcutaneous electrical nerve stimulation machine for first-stage analgesia in a teaching hospital
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Introduction Childbirth is one of the most painful experiences the human body can ever have. Some women are lucky when they have a relatively short, easy, and uncomplicated labour process, while others may experience long and agonising ordeals. The control of labour
Electrical quality assurance of the superconducting circuits during LHC machine assembly
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Abstract Based on the LHC powering reference database, alltogether 1750 superconducting circuits were connected in the various cryogenic transfer lines of the LHC machine. Testing the continuity, magnet polarity, and the quality of the electrical insulation were the main
Electrical discharge machine using fuzzy for fitness evolutionary strategies optimization (EDiMƒESO)
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Abstract:-Electrical Discharge Machine (EDM) is one of the engineering machineries which is widely used in manufacturing mould, die, automotive, aerospace and surgery components. EDM performance was measured in the output performance using factors
Mathematical modeling of material removal rate of T90Mn2W50Cr45 tool steel in wireelectrical discharge machine
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ABSTRACT The present study aims to develop a mathematical model so as to predict material removal rate using response surface methodology in a wire cut electrical discharge machine. In order to establish a mathematical model concerning process parameters and
Parametric fault location of electrical circuit using Support Vector Machine
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Abstract: The paper is concerned with the application of the Support Vector Machine to the discovering of the parametric fault in analog electrical circuits. The recognition of fault is based on the measurements of the accessible terminal voltage and current of the circuit at The main benefits of using high-speed applications in the industry are their increased efficiency and their significantly reduced dimensions in comparison to the conventional applications. In fact, the volumes of the stator and rotor in a highspeed electrical machine
Inductances as Dynamic Exchange Parameters for Electrical Machine Computation based on the Method of Frozen Permeabilities
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Abstract:Simulation of the operational behavior of electrical machines is of high interest for design and optimization purposes. Various approaches have been presented relying either on systemsimulation or on numerical models. In general, system simulations are utilized to
Oscillating rotary electrical machine for Stirling cycle heat pump and other devices of renewable energy
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Abstract. The paper deals with oscillating rotary electrical machines, that is with periodical angular movement of their movable part. Expedient application of all oscillating electrical machines consists in possible avoidance of mechanical transformer in the drive,
A MULTIMEDIA APPROACH TO ELECTRICAL MACHINE DESIGN: A New Architecture of Software Development for Electric Motors
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Abstract-This paper describes a new architecture of design software for electrical machines. This architecture integrates design DATABASES and DATABANKS with design calculations, and utilising interactive GUI creates a virtual design office. This software is built with
Representation of Electrical Machine Windings using T0 Formulation
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Abstract:In the paper the representation of electrical machine stranded windings using T0 formulation has been presented. In the discussed method the electric vector potential T0 has been applied. In the proposed approach the distribution of the potential T0 inside the
Challenges and Solutions for IPMSM to be Used as a Next Generation Electrical Machine
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Abstract The use of permanent magnet machines has been increased because of higher efficiencies and larger power densities. This paper presents the challenges to develop IPMSM used as a next generation electrical machine and proposed solutions for
Mathematical model of the permanent magnet field in the air gap of electrical machine
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SUMMARY The paper deals with an analytical model of the magnetic field in the air gap of electrical machine with permanent magnets. In this model, the source of radial and tangential magnet fields can be assumed as a system of equivalent current-carrying buses
Efficient Approach for Angular Modelling of Electrical Machine by Reluctance Network
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Abstract:The aim of the paper is to make and to manage the modeling of electrical machines, taking into account of several rotor positions to analyze their harmonic influence on its performances (eg its torque, its losses)[1] on an electrical period of the machine in a
A Parametric Finite Element Analysis Package for Electromagnetic Fields of Electrical Machine
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ABSTRACT This paper develops a parametric finite element analysis package for the electromagnetic fields in electrical machines. Based on Petri net, a parametric finite element geometrical modelling method is presented, with which the user can interactively utilize
Wireless Sensor Network for Performance Monitoring of Electrical Machine
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Abstract: A novel wireless data collection for health monitoring system of electric machine based on wireless sensor network (ZigBee/IEEE802. 15.4 Standard) is proposed and developed in this project. The unique characteristics of ZigBee networks such as low
An Intelligent Monitoring of Faults in Rotating Electrical Machine using Motor Stator Current Signature Analysis
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Abstract--Majority of Industries use Induction motors for the conversion of electrical energy into mechanical energy. Failures and Faults of induction machines can lead to undue downtimes. Therefore early detection of fault is necessary to reduce unplanned shutdown
Electrical machine design for downhole applications
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To enable safe, economical and environmentally acceptable solutions for improving oil and gas recovery from mature fields and for exploitation of deep and ultradeep offshore reservoirs, new downhole technologies are required. One promising technology for these
Electrical Machine Laboratory
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For more than 40 years, Terco has developed and sold electrical machines for technical education, and Terco systems are today installed in hundreds of schools all over the world. Individual needs can be met through consultation and study of training programmes
BEARING FAULT DIAGNOSIS OF ELECTRICAL MACHINE BASE ON VIBRATION SIGNAL USING MULTI-CLASS SUPPORT VECTOR MACHINE
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ABSTRACT In this paper, we propose a new bearing fault diagnosis system for electrical machines using multi-class support vector machine (MSVM). Firstly, we obtain the frequency spectrum of vibration signal using fast Fourier transform (FFT). Then the spectrum analysis
Multi Electrical Machine Pre-Design tool with error handling and machine specific advanced graphical design aid features based on Modelica
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Abstract This paper presents a design tool for Induction Machines, Permanent Magnet Synchronous Machines, Externally Excited Synchronous Machines and Switched Reluctance Machines. This software, based on Modelica language, is able to provide full
Analytical Investigation to Nonlinear Vibration of an Electrical Machine Supported by Nonlinear Bearings
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Abstract:-In this paper we analytically investigate the nonlinear behavior of an electrical machine supported by nonlinear bearings characterized by a nonlinear stiffness of Duffing type. The Optimal Homotopy Asymptotic Method is employed to obtain analytical
Integrating of the Auto Shift Gearbox April 9, 1999 with the electrical machine
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Against all predictions, manual transmissions still have in Europe a market share of more than 80%. This can be attributed to the high efficiency and the small space required for
Investigation of Cogging Torque of Eccentric Downhole Drilling Machine and Optimization ofElectrical Machine
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Abstract: This paper is a report on master thesis project conducted in cooperation with SMARTMOTOR AS and NTNU. The research for electrical downhole drilling machine has developed for decades. Permanent Magnet is a new addition in this arena.
Modeling Finite-Element Constraint to Run an Electrical Machine Design Optimization UsingMachine Learning
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This paper proposes a method to the model constraints from different models to run an optimization over models with different granularities. Through machine learning, the proposed method has proven to be able to accurately map the constraints and minimize
PID AND FUZZY-PID CONTROLLER FOR VARIOUS ELECTRICAL MACHINE APPLICATIONS: A COMPARATIVE STUDY
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Abstract:This report gives the review on the history of PID controllers, their tuning aspect then eventually the incorporation of fuzzy with PID and see how it has enhanced accuracy and flexibility of controllers. A PID controller comprises three kinds of controller, namely
The new method of investigation of the problem of synchronization electrical machine with power network.
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Abstract:-Connecting a generator to the network, either in a normal regime or under a significant load change, is possible with greater (than commonly accepted now) initial differences between the rotor speed and the frequency of the stator current, OR, possible
Wavelet-Based Analysis of MCSA for Fault Detection in 2 Electrical Machine 3
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Early detection of irregularity in electrical machines is important because of their 13 diversity of use in different fields. A proper fault detection scheme helps to stop 14 propagation of the failure or limit its escalation to severe degrees and thus prevents 15 unscheduled
A Survey of Broken Rotor Bar Detection Using PT and HT in Squirrel Cage Electrical Machine
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Abstract:Early detection of faults in electrical machinesare imperative because of their diversity of use in different fields. A suitable fault monitoring scheme helps to stop propagation of the failure or limit its escalation to severe degrees and thus prevents
A Novel Passive Filter to Reduce PWM Inverters Adverse Effects in Electrical MachineSystem 1
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Abstract: A novel passive filter to reduce PWM inverter's adverse effects in electrical machine system is studied in this paper. A PWM inverter fed ac induction motor drive system capable of suppressing all the adverse effects of PWM inverter to provide a robust control system is
Multi-physics simulations for electrical machine development
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Summary In electrical machine RD, like in other fields, different computation methods are needed for different purposes. For detailed analysis and product design, a multi-physical finite element (FEM) analysis is required. However, if advanced multi-objective
OF MATERIAL PROPERTIES IN STACKING DIRECTION OF LAMINATED STACKS BELONGING TO ELECTRICAL MACHINE ROTORS USING A DILATATION
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Rotors of permanent-magnetic excited synchronous machines are normally built up with several laminated cores which are sequentially positioned onto the rotor shaft. Each laminated core consists of many single electrical sheets. This set-up results in anisotropic
An Efficient Circuit Coupling Based on Parameter Identification and a Temporary Linearization of the Energy Balance of the Electrical Machine
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Abstract:In this paper an efficient method for modeling coupled magnetic field and circuit problems is presented. The field problem is solved by applying the Finite Element Method. The non–linear electric circuit system is solved by applying the Newton–Raphson method.
Replacing Copper with New Carbon Nanomaterials in Electrical Machine Windings
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Abstract–Electrical machines have significant improvement potential. Nevertheless, the field is characterized by incremental innovations. Admittedly, steady improvement has been achieved, but no breakthrough development. Radical development in the field would The development of new materials for interrupting commutating contacts is always accompanied by difficulty in evaluation of the level of their basic properties, the commutation wear (Am) and the transfer drop in voltage (AU). Measurement of these characteristics in
A Simple Knowledge Base Software Architecture for Industrial Electrical Machine Design: Application to Electric Vehicle's In-Wheel Motor
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Abstract. The paper presents the application of a knowledge based software architecture (KBSA) scheme which has been developed and implemented in order to be used as a tool in the electrical machines design industrial process. The proposed scheme's layers are
DESIGN AND MODELLING OF ELECTRICAL MACHINE FOR CEILING FAN SYSTEM
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ABSTRACT The purpose of this research is to conduct an empirical research to design the electrical machine of a ceiling fan system purposely to generate additional electrical power. The conventional single-phase ceiling fan using an induction motor has a lower 30%
Conceptual Design of Special Purpose Machine for Cutting Chases in Wall during ConcealedElectrical Fitting
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Abstract: The construction industry worldwide having solid growth due to industrialization, urbanization over the last decade. In survey of these construction sites we found that for concealed electrical fitting the chases cut in the wall is done with help of hand tools like
Experience with the Quality Assurance of the Superconducting Electrical Circuits of the LHCMachine
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Abstract The coherence between the powering reference database for the LHC and the Electrical Quality Assurance (ELQA) is guaranteed on the procedural level. However, a challenge remains the coherence between the database, the magnet test and assembly
Nanostrucured microelectrode arrays for brain-machine interface and electrical stimulation
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Nanostrucured microelectrode arrays for brain-machine interface and electrical stimulation Guglielmo Fortunato Institute for Microelectronics and Microsystems IMM-CNR Page 2.
Brain Machine Interface through Visually Guided Electrical Brain Responses
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ABSTRACT: A brain-machine interface is a communication system that does not depend on the brains normal output pathways of peripheral nerves and muscles. It is a new communication link between a functioning human brain and the outside world. These are
Design Study of a Piezoelectric Energy Harvesting Device to Generating Higher ElectricalPower From 3-axis Machine Tool Vibrations
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Abstract:This paper presents the design of a piezoelectric energy harvester device from vibrations of a 3-axis machine tool. Vibration frequency peak of a 3-axis machine tool is around 70 Hz with 10 m/s2 acceleration magnitude. Since energy harvesting devices with
Design of an Automatic Machine for Stripping and Bending Insulated Electrical Wire
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ABSTRACT The aim of this project is to produce the mechanical design of an automatic machine for manufacturing segments of heavy gauge insulated electrical wire with both ends stripped and bent at 90 degrees from a spool stock of insulated electrical wire. These
Design of a high precision desktop wire electrical discharge machine
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ABSTRACT This thesis discusses the design of a wire electrical discharge machine that is small enough to be deemed a desktop machine that achieves sub micron precision. It is capable of reliably running the smallest wire currently available to industry, which
Topology Optimization and Analysis of a PM synchronous Machine for ElectricalAutomobiles
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Conclusions We investigated simultaneously the shape of rotor poles and stator in order to minimize the level of noise and vibration in the ECPSM that can be used in modern drives for electro-mobiles. The proposed methodology based on the TG and CDSA method
THE ROLE OF MACHINE VISION SUBJECTS IN ELECTRICAL ENGINEERING COURSES.
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ABSTRACT Machine vision for industrial purposes refers to processing of one or more frames of image data using computer techniques to enable decisions to be made on the basis of this data. As expertise and applications of this technology increase it will become
Modification of the Electrical Control Truztschler Swing Machine in Textile
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Abstract: Leading Company in the textile industry to improve and optimize the production process through the design and modification of electrical control is obsolete, for not having a manual operation for maintenance was raised. To develop the project was necessary to
A natural language interface for man machine communication in electrical networks control centers
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Abstract:-This paper describes the application of a natural language interface to man- machine interaction in the control centers of electrical networks. Natural language communication with complex systems is a major goal, since it simplifies the operation of
Electrical and thermal analysis of an asynchronous machine for application in wind energy generation
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Abstract The electromagnetic (electrical) and mechanical design of an Asynchronous machine for application in wind energy generation depends on the knowl edge of heat transfer within the various parts of the machine. Unfortunately, the analysis of thermal
Modeling and control of an induction machine based electrical variable transmission
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Abstract:An electrical variable transmission (EVT) is an electromagnetic device with multiple rotors and multiple shafts. In hybrid electric vehicles it is used to split the power to the wheels in a part coming from the combustion engine and a part exchanged with the
APPLICATION OF ELECTRICAL METROLOGY METHODS FOR EXAMINATIONS OF MACHINETOOLS
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Abstract: The Hungarian products must satisfy the increasing quality demands being in Hungary and in abroad. Developing the quality of the machine production is essential requirement of competitiveness of the Hungarian industry. The Department of Production
Experimental Investigation on Machning Characteristics in Wire Electrical Dischrage Machine(WEDM) of Stainless Steel304 (SS304)
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ABSTRACT Purpose: In this paper, the effects of various process parameters of WEDM like pulse on time (Ton), peak current (Ip) have been investigatedto reveal their impact on material removal rate (MRR), Microhardness and Surface roughness (Ra) of Stainless
ELECTRICAL CIRCUIT'S ANALYSIS WITH REDUCED MACHINE MEMORY'SPENDING
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Factors defining maximum amplitude values of the elastic mechanical vibrations in machines with electricity drive were determined. Parametric methods for the purpose of reducing vibration mechanisms were analyzed, and recommendations about parameters
Electrical palm fruit cutting machine.
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Abstract Palm oil becomes very useful that provide the adaptation of various palm breed, which each has different characteristics. Now there are many researches about oil palm, but there is no suitable cutting tool for the researchers in order to study the physical The repair of electrical measuring instruments often involves their recalibration and the rewriting of their scales, both labor-consuming processes which are normally done by hand. These operations obviously require considerable experience and it is difficult to attain high quality in their
Analysis of Failure Mechanisms of Machine Embroidered Electrical Contacts and Solutions for Improved Reliability Analyse van faalmechanismen van
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The work described within this doctoral thesis is based on my work conducted as researcher at Fraunhofer IZM in Berlin over the course of several funded research projects. Professor Jan Vanfleteren is an expert on electronics integration technologies. One field of his
Iron Loss Analysis of a Permanent Magnet Rotating Machine Taking Account of the Vector Hysteretic Properties of Electrical Steel Sheet
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Abstract–This paper presents the iron loss prediction of rotating electric machines taking account of the vector hysteretic properties of electrical steel sheet. The ES vector hysteresis model is adopted to describe the vector hysteretic properties of a non-oriented electrical
Controlling Collimator Motion in Cobalt-60 Radiotherapy Machine by Converted BreathingElectrical Signal
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Abstract:The respiration (Inhalation and Expiration) as physiological mechanism causes the internal human organs displaced partially away from the field size boundary area during radiotherapy; as the collimator of radiotherapy machine is fixed, hence the aim of the
Algorithm for Modeling Wire Cut Electrical Discharge Machine Parameters using Artificial Neural Network
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Abstract-Unconventional machining process finds lot of application in aerospace and precision industries. It is preferred over other conventional methods because of the advent of composite and high strength to weight ratio materials, complex parts and also because of
Variation in surface roughness of AISI D2 Tool steel after machining on EDM (ElectricalDischarge Machine): A Review
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Abstract-In this study, various EDM parameters (Discharge Current, Pulse On-Time, Pulse Off-Time, Gap Voltage) and techniques are affects the surface roughness. The effectiveness of the EDM process with AISI D2 tool steel is evaluated in term of surface roughness of the
The Implementation of DSP-Based Controller for a Multichannel Programmable ElectricalStimulation System and Its User-Friendly Man-Machine Interface
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Abstract Electrical stimulators have been applied in many fields for many decades, especially in restoring the muscle activities of paralyzed patients who suffer from spinal cord injuries or related neural impairments. In this paper, a DSP-based multichannel
MACHINE ANALELE UNIVERSITATII DIN CRAIOVA–SERIA: INGINERIE ELECTRICA/ANNALS OF THE UNIVERSITY OF CRAIOVA–SERIE: ELECTRICAL
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Abstract-This paper presents a new diagnosis method for detection of inter-turn short circuit fault in induction machine, using external magnetic field analysis. An original method which does not require any knowledge of a presumed machine's healthy former state is
On the Analysis of an Innovative Mechanism for Wire Electrical Discharge Machine
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Abstract:The purpose of this paper is to propose an innovative mechanism of wire electrode system and to analyze its kinematic motion of a wire electrical discharge machine (WEDM) for the basis of engineering application. Based on the modular concept, the
Optimal design of a permanent-magnet excited synchronous machine for electrical vehicles
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Abstract:The paper deals with the optimal design of a new synchronous motor particularly suitable for electric vehicles. The main advantage of this motor is its possibility to realize field weakening at high speeds, which is the most important demand for such drives. The main
TORQUE CONTROL OF AN ELECTRICAL DRIVE SYSTEM WITH PERMANENT MAGNET SYNCHRONOUS MACHINE
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Abstract. This paper presents a direct torque controlled (DTC) structure for the stator-flux oriented driving system with permanent magnet synchronous motor (PM-SM) fed by a voltage source converter with optimal voltage switching control. The dynamic
Test Vehicle for Dynamic Machine Vision
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Abstract The vision group at the University of Oulu is investigating problems in 3-D world modeling and visual indoor navigation. This paper describes a test vehicle developed for the research. The three wheeled vehicle is propelled by a pulse-width controlled DC motor
Investigating the Effect of Brass Electrode on Inconel 718 on Electrical Discharge Machine
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Abstract Electrical Discharge Machine (EDM) parameters have a significant influence on machining characteristic like material removal rate (MMR) and tool wear rate (TWR). Inconel 718, which is widely used in the Medical, Marine, Architectural and food processing If the articles are glazed by rolling, upon entry into the glaze bath and discharge from it, there are protuberances on the step. Passing through the steps the plate rolls the article in glaze and then transfers it through the second step, after which the operator removes the On automating the sintering machine, when the travel speed of the belt, height of the Iayer on the pallets, and the Ievel of the charge in the bin of the drum feeder are to be controlled, it is necessary to install rheostats with motor drives in place of the usual manual ones. In this
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