FRICTIONLESS ELECTROMAGNETIC BRAKING SYSTEM EPUB

8 Apr In an electromagnetic brake the magnetic field may be created by a permanent magnet, or an electromagnet so the braking force can be turned. 8 Apr Which is common for friction-brake drums to exceed °C surface This is reduced significantly in electromagnetic disk brake systems. 3. Electromagnetic braking system used electromagnets to provide a contact less behind the proposed use of these brakes in vehicles is that it is frictionless.

Author: Mudal Shakaramar
Country: Seychelles
Language: English (Spanish)
Genre: Politics
Published (Last): 14 April 2009
Pages: 489
PDF File Size: 7.88 Mb
ePub File Size: 13.69 Mb
ISBN: 658-3-21270-966-1
Downloads: 73451
Price: Free* [*Free Regsitration Required]
Uploader: Tagar

Eddy current brakes have been introduced in the braking systems of large vehicles and trains.

In one embodiment of this system, the linear alternators are linear induction machines. This is not the driver reaction time but the frictionless electromagnetic braking system reaction time which cause to lengthen the travel distance during braking.

It receives the signal with information of the required braking force from the master brake controller. Once the field starts to degrade flux falls rapidly and the armature separates. The brake system converts the kinetic energy of vehicle motion into heat. Linear alternators include primary stator and secondary brake disc rotor. A SumoBrain Solutions Company. Wikimedia Commons has media related to Eddy current brakes. The amount of required braking force on each wheel is determined by a master brake controller and based on the driver’s or operator’s input.

The coils form frictionless electromagnetic braking system phases and multiple poles. A tremendous amount of heat is generated on the brake parts.

Aux power can be provided by a main car battery or separate battery or one or more super capacitors or one or more capacitors. The strength of the magnetic field can be changed frictionless electromagnetic braking system changing both wire size and the amount of wire turns.

In another embodiment, a stator primary of linear induction alternator is arranged as circle or part of circle frictionless electromagnetic braking system close proximity of a brake drum, which brake drum acts as a linear induction alternator secondary.

In an embodiment, the wheel controller may be electromagneticc as one or more integrated circuits such as a microcontroller unit. Permanent-magnet and electromagnetic hybrid excitation generating apparatus with vacuum pump. Frictionless electromagnetic braking system tremendous amount of heat is generated on the brake parts.

TOP Related Articles  J13009-2 PDF

An enhanced and reliable brake system that stops the car quickly in a controlled manner and without adding the delay is desired. When the conductive sheet is stationary, the magnetic field through each part of it frictionless electromagnetic braking system constant, not changing with time, so no eddy currents are induced, and there is no force between the magnet and the conductor.

When the driver steps on the brake pedal, current is passed through the electromagnet windings, creating a magnetic field, The larger the current in the winding, the larger the eddy currents and the stronger the braking force. The coils form multiple phases and multiple poles. The sysyem energy of the moving object is dissipated as heat generated by the current flowing through the electrical resistance of the conductor.

Frictionless Electromagnetic Braking System | Mechanical Project Topics

This creates an opposing force to the frictionless electromagnetic braking system rotation and in turn slows down the wheel. However, unlike friction brakesin which the drag force that stops the moving object is provided by friction between two electormagnetic pressed together, the drag force in an eddy current brake is an electromagnetic force between a magnet and a nearby conductive object in relative motion, due to eddy currents induced in the conductor through electromagnetic induction.

Besides, eddy current loss generates large amounts of heat in the moving parts of the brake, which causes a temperature rise. It works the same as a disk eddy current brake, by inducing closed loops of eddy current in the conductive rail, which generate counter magnetic fields which oppose the frictionless electromagnetic braking system of the train.

Thus we achieve electromagnetic braking as a better braking system for future automobiles. The induced eddy currents generate braking force that forces the wheel to stop. The mobile frictionless electromagnetic braking system carriers in the metal, the electromagnneticactually have a negative charge, so their motion is opposite in direction to the conventional current shown.

A frictionless electromagnetic braking system utilizes linear alternators which are controlled by a power electronics converter interface to capture the car’s kinetic energy and generate braking force on the wheel.

The frictionless electromagnetic braking system of claim 8, wherein one inverter controls the first and second linear alternators.

TOP Related Articles  CISCO 2811 DATASHEET EPUB

A conductive surface moving past a stationary magnet will have circular electric currents called eddy syste, induced in it by the magnetic fieldas described by Faraday’s law of induction. The eddy current frictionless electromagnetic braking system is unusable at low speeds, but can be used at high speeds both for emergency braking and for regular braking.

The apparatus of claim 14, further comprising: The circulated current in the rotor disc generates electric losses.

Electromagnetic Braking System

In these systems, an alternator is used to recover the car kinetics energy and convert it to electricity to brakig the battery. In an embodiment, optimum braking may be achieved by matching brake force distribution with dynamic vehicle weight distribution. The present disclosure relates to an enhanced braking system in a vehicle, or a moving device, and more frictionless electromagnetic braking system to a frictionless brake system employing electromagnetism.

One problem with an abrasive brake system is that the frictional surfaces or linings on the brake shoes or pads wear over time. This is not the driver reaction time but the system reaction time which frictionless electromagnetic braking system to lengthen the travel distance during braking.

BACKGROUND

In the embodiment frictionless electromagnetic braking system, a 4 wheel frictioless system is installed. By Lenz’s lawthe circulating currents will create their own magnetic field which opposes the field of the magnet.

Vehicular brake systems incorporating frictional or abrasive devices are known in the art. The range of distance can be from about 0.

The first train in commercial circulation to use such a braking system has been the ICE 3. Further with this system, no replacement brake pads or maintenance is needed. A hydraulic system has about 0. But this rbaking that frictionless electromagnetic braking system moving magnet is repelled in front and attracted in rear, hence acted upon by a retarding force.