Electromagnetic suspension-system

BACKGROUND In 1966 Danby and Powell proposed an

EDS system for high-speed transportation using super conducting magnets with a “null flux” suspension.

Subsequent researchers in the U.S., Japan, Germany, UK and Canada have developed further innovations (such as ladder type guide way for increased lift efficiency), but there are still a number of technical problems that needed resolution.

MAJOR COMPONENTS IN EMSS

A Linear motor as a damper or A Hydraulic

Damper

Two Electromagnets

Thrust bearings

Frames

CURRENT DETAILS OF EMSSThere are three primary types of Maglev

technologies:superconducting magnets ( electrodynamic

suspension)feedback controlled electromagnets

(electromagnetic suspension)Newer potentially more economical system

using permanent magnets Inductrack.

RESEARCH AIM AND OBJECTIVESAim: To design and analyse a prototype Magnetic

Suspension System. Objectives:Literature ReviewResearch of the principles of the various types of

suspension systems and analysing their functions and performances.

Design a prototype Magnetic Suspension System.Analyse the designed Magnetic Suspension System.Compare with the other type of Suspension

Systems.Conclusion. 

CURRENT WORK

THE PRINCIPLE OF ELECTROMAGNETIC SUSPENSION

ANALYSIS 1

SIMULATION WITHOUT DAMPER

RESULT 1

INSTABILITY IN OPEN LOOP SYSTEM

ANALYSIS 2

SIMULATION WITH DAMPER

DAMPER

RESULT 2

STABILIZED CLOSED LOOP SYSTEM

RESULT 3

DDESIGNS OF THE MODEL

OR

Electro mgnet

Movable Magnet

N

N

S

S

Fixed Damper

COMMENTSAs the current ‘u’ increases the distance ‘x’

decreases.As the current increases the magnetic force F

increases causes the movement of the ball towards the coil.

The damper absorbs the oscillations as shown in the Result 2.

CONCLUSIONAn approach of the magnetic suspension system has been presented. The simplified mathematical model has been developed.

The EMSS has the ability to give much smoother ride than any luxury sedan, and less roll and pitch than any sports car .