Results 131 to 140 of about 595 (180)

Modeling and Control of Eddy Current Brake

IFAC Proceedings Volumes, 1995
A great deal of attention has been given to numerical algorithms for identification and control of nonlinear systems. The purpose of this paper is the application of some existing techniques for the modeling and regulation of an eddy current brake process.
Simeu, Emmanuel, Georges, D.
openaire   +2 more sources

Characteristic of eddy current on the secondary of eddy current brake

1997 IEEE International Electric Machines and Drives Conference Record, 2002
An eddy current brake is a new assistance brake system of a large scale vehicle, and the eddy current plays an important role in the braking force of this brake. This paper presents a new calculating method based on the experiment, while the eddy current problem, generally, is calculated by using FEM.
Y. Um, S. Torii, D. Ebihara, I. Sanjo, Y. Tani   +4 more
openaire   +1 more source

Analysis of an Eddy-Current Brake

IEEE Transactions on Power Apparatus and Systems, 1965
The retarding torque of an eddy-current brake is calculated as function of the angular velocity of the rotor and of the stator dc magnetizing current. The electromagnetic field components are found in the rotor medium by solving the field equations. Integration of the power flow vector E X H over the rotor surface yields the total retarding power of ...
D. Gonen, S. Stricker
openaire   +1 more source

An eddy current braking system

1993 (25th) Southeastern Symposium on System Theory, 2002
Details of a computer model of an eddy-current brake for application in an exercise device are described. In particular, the design of a computer analysis package (EBRAKE) which calculates disk torque as a function of disk speed, for a given system geometry and coil current is reported.
L. Barnes, J. Hardin, C.A. Gross, D. Wasson   +3 more
openaire   +1 more source

Experiments with eddy currents: the eddy current brake

European Journal of Physics, 2004
A moderate-cost experimental setup is presented to help students to understand some qualitative and quantitative aspects of eddy currents. The setup operates like an eddy current brake, a device commonly used in heavy vehicles to dissipate kinetic energy by generating eddy currents. A set of simple experiments is proposed to measure eddy current losses
openaire   +1 more source

Physical Mechanism of Eddy Current Demagnetizing Effect for Eddy Current Brake

Journal of Computational and Theoretical Nanoscience, 2016
This article researches both the mathematical relation between the braking force of eddy current brake and the speed of the moving conductor and the relationship between the average air-gap flux density and the velocity of the moving conductor respectively which result in the ambiguity of the physical mechanism of eddy current demagnetizing effect ...
Ren He, Donghai Hu
openaire   +1 more source

Eddy Currents Electromagnetic Brake Device

IEEE Latin America Transactions, 2016
Brakes are devices most used in industry and transport to control speed. Devices using the electromagnetic field generated by a source to exert torque, reducing speed on mobile devices are called electromagnetic brakes. This paper presents the design stages, development and testing of an electromagnetic brake by the action of currents induced aiming ...
M.A.Q. Cunha, A.H. Pereira, C.R. Schmidlin Júnior, P.P. Rebouças Filho   +3 more
openaire   +1 more source

THE DESIGN OF EDDY-CURRENT MAGNET BRAKES

Transactions of the Canadian Society for Mechanical Engineering, 2011
The eddy-current is created by the relative motion between a magnet and a metal (or alloy) conductor. The current induces the reverse magnetic field and results in the deceleration of motion. The proposed mechanism implements this phenomenon in developing a braking system.
Der-Ming Ma, Jaw-Kuen Shiau
openaire   +1 more source

Characteristics of Eddy Current Braking

ASME 2010 Rail Transportation Division Fall Technical Conference, 2010
Eddy current braking has long held the promise of frictionless braking of railroad trains. The advantages of eliminating friction brake equipment are particularly valuable to high speed rail passenger service. Tests over the last decade have identified a number of controllable challenges to implementing eddy current brakes involving the vehicle, track,
openaire   +1 more source

A laboratory activity on the eddy current brake

European Journal of Physics, 2012
The aim of this paper is to introduce a simple and low-cost experimental setup that can be used to study the eddy current brake, which considers the motion of a sliding magnet on an inclined conducting plane in terms of basic physical principles. We present a set of quantitative experiments performed to study the influence of the geometrical and ...
J A Molina-Bolívar, A J Abella-Palacios
openaire   +1 more source