free -electric motor
Study on electric vehicle induction motor drive
free download
Paper deals with dynamic behavior of the electric vehicle traction induction motor drive. The equations for the voltages of the induction motor windings are presented in a coordinate system which rotates at a synchronous speed. The mechanical equipment is presented by
Electric Motor Control System with Application to Marine
free download
A diesel engine in marine vehicles is designed to deliver the desired speed, which in most of the cases is the cruise speed, at its maximum efficiency. The main disadvantage is that once the speed is set in the design it cannot be changed and if a variable speed is required it
Modeling of a Cooling Airflow in an Electric Motor
free download
An electric motor converts electrical to mechanical energy and provides the rotational torque which is converted into linear motion. In some applications the duty is cyclic and the motor is used for both providing driving and breaking torque. In many applications today, the power
HEAT STORAGE APPLICATION IN ELECTRIC MOTOR COOLING SYSTEM: SMOKE VENTILATION MOTORS
free download
One application of three phase motors is in fire smoke extraction systems to run smoke extraction fans. These smoke ventilation motors operate an atmosphere of 200 oC to 400 oC temperature range. Typically these motors are not provided with a cooling fan. But if the
Fault-tolerant control of active suspensions in in-wheel motor driven electric vehicles
free download
In this paper, the fault-tolerant control problem of an active suspension in in-wheel motor driven electric vehicles (EVs) is studied. To reduce the dynamic force transmitted to the motor bearing, a dynamic vibration absorber (DVA) is installed on the in-wheel motor axle
Comparison of characteristics of various motor drives currently used in electric vehicle propulsion system
free download
With an all-time increasing demand of typical fossil fuel based vehicles, we are facing an imminent danger of our environment being more polluted in the coming years. Every year more vehicles are added to roads and the total number is believed to surpass 2.0 Billion by
Composite ceramic superconducting wires for electric motor applications
free download
This report describes progress on developing Y-123 wire for an HTSC motor . The wire development involves synthesis of Y-123 powder, spinning polymer-containinggreen fiber, heat treating the fiber to produce metallized superconducting filaments, and characterizing
Electric Motor Drive for Natural Gas Compression in Pipeline: Techno-economic Analysis
free download
The transportation of natural gas requires more compressors than any other sector of the oil and gas market due to the long distances the gas must travel between gathering, processing and distribution sites. Electric drive is one of the major prime movers used for these
Modeling the steady and unsteady operation of a piezo- electric bar type motor
free download
While piezo- electric traveling wave motors have been examined in detail in the literature, other types of piezoelectric drives, such as CANONs bar type motor (or wobbling-disk motor ) have received far less attention so far. In this paper the derivation of the equations for steady
Heat Transfer Analysis of In-Wheel Electric Motor Housing with Different Cooling Fin Arrangement using ANSYS
free download
An analysis was conducted to study the heat transfer of in-wheel electric motor cooling fin for light electric vehicle application. This study focuses on motor housing design and heat transfer analysis of different cooling fins arrangement for motor housing. The design of the
Modeling and Simulation of an Electric Scooter Driven by a Single-Phase Induction Motor
free download
An electric vehicle driven by DC motors has been widely used for several applications. In this paper, replacement of the DC motor by a single-phase induction motor on the electric vehicle is proposed. Low cost and less maintenance make the single-phase induction motor
Modeling and Motion Control Selection and Design of Electric Motor for Mechatronics Robotics Applications
free download
To simplify mechatronics motion control systems design, this paper proposes mathematical modeling, simulation and control of a given electric motor in terms of input volt, Vin and output motions. The proposed model can be used to select, design, test and validate both
An analysis method of vibrations due to electromagnetic force in electric motor
free download
An analysis of radial force is needed to reduce vibrations due to electromagnetic force among the vibrations caused by a motor . This paper proposed a method of separated analysis a radial force by frequency and magnitude for a circumferential mode, and
The effect of distance learning via the Internet on electric motor control
free download
Distance learning is a new technology that has been promoted under the National Act in Thailand in order to educate all Thai people effectively. Interest in distance learning and utilising the Internet has been growing at universities, especially in the field of technology
Design, Analysis and Fabrication of 3-Wheeled Hybrid Vehicle Run by Human Effort and Electric Motor .
free download
The use of energy acquired from fossil fuels to propel automobiles has always had its negative effects on the environment. Research on substitutes for fossil fuels has existed for a few decades now. This paper emphasizes on a 2 seater vehicle which is powered by human
Common model EMI prediction in motor drive system for electric vehicle application
free download
Common mode (CM) conducted interference are predicted and compared with experiments in a motor drive system of Electric vehicles in this study. The prediction model considers each part as an equivalent circuit model which is represented by lumped parameters and
Studying the performances of induction motor used in electric car
free download
This research includes study of the performances of induction motor used in the electric car, as well as performances of an electronic inverter based on Field Oriented control used to drive this induction motor . The running equations of IM and Controller in dynamic state with
Regenerative Braking System of Electric Vehicle Driven By BLDC Motor Using Neuro Fuzzy and PID
free download
Regenerative braking can improve energy usage efficiency and can extend the driving distance of Electric Vehicles. Innovative Regenerative Braking System of EV driven by BLDC motor is recommended. In this technique, Brushless DC motor is controlled by traditional
Data Acquisition System for Electric Vehicles Driving Motor Test Bench Based on VC++
free download
In order to solve such problems as great labor intensity, high cost, low efficiency and accuracy during the performance experiment for driving motor system of electric vehicles, and realize data acquisition automatically and synchronously, a data acquisition system for
Modelling and Simulation of DC- Motor Electric Drive Control System with Variable Moment of Inertia
free download
This work represents a mathematical analysis and simulation of dc- motor electric drive control system with variable moment of inertia. A separately-excited dc motor is used in this control system. A mathematical model for this motor has been simulated and tested in CSE PROJECTS