Magnetic Levitation System

[wusimon51]

How much magnets did you use for this?

[wusimon51]

Is it a power generator causing the attraction?( And batteries?)

[TOMarshad]

have a lot of questions to ask...

1.How much power is required for 10 hrs of continuous levitation

2.Why doesn't the magnet fall down or move towards the side

3.can u provide a plain pcb diagram for this project plz...

[skydiverangel]

@TOMarshad

1. It draws approximately 120 mA with the disc magnet and 150 mA with the sphere magnet when the supply voltage is 7.5 V.

2. The voltage applied to the electromagnet is adjusted based on the measured position of the levitating magnet to achieve stable levitation.

3. Please visit the website provided in the video.

[dvdvideo1234]

Well done colleague ... engineering is a blessing....

[win2rgirl]

can the pole be conducting (thus affecting the field)?? please answer quick does it have to be an insulator?

[skydiverangel]

@win2rgirl

The pole used here is made of aluminum. It can be an insulator or a conductor.

[win2rgirl]

@skydiverangel so can i make the stand out of steal? or does it affect the project?

[skydiverangel]

@win2rgirl

As far as I know, some stainless steels are magnetic and some are nonmagnetic. You can use any nonmagnetic material.

[fisch747]

wo bekommt man solche spulen her? thx

[skydiverangel]

@fisch747

They are custom-made coils.

Sie sind maßgeschneiderte Coils.

[fisch747]

@skydiverangel thx what size is the coil? how thick is the diameter or the wire and how long is it? thx

[skydiverangel]

@fisch747

The size of the coil is approximately 1.5'' diameter x 1.0'' length (3.81 cm x 2.54 cm). I think the wire size is 24 AWG but I do not know how long it is (probably around 20-30 m).

[tuloski]

Good one...control system FTW.



[skydiverangel]

@tuloski

Thanks

[IIXerxesII]

will the magnet still be able to float free in the air, if u flip the device up side down?

[skydiverangel]

@IIXerxesII

No, it will not. We are currently developing another magnetic levitation system that will work that way.

[assasinscreed78]

@IIXerxesII naw u wudnt becuz the reason its levitationg in the first place is cuz gravity uselly pulls the metal ball down but since u have a magnet it just keeps pulling it but not all the way up

[My567567]

he sould put bolth

[techdakebo]

Incredibly cool :) Is it possible to spin the levitating object?

[skydiverangel]

@techdakebo

Thank you. Yes, it is possible to spin the levitating magnet. For the magnet to spin, there must be a tangential force acting on the magnet and such a tangential force can be the result of a radial current in the magnet.

[4EvaTitanic]

since he switched thru out da vid it proves to be no string

[skydiverangel]

@4EvaTitanic

Thank you.

[hyildiz1988]

Awesome!

[skydiverangel]

@hyildiz1988

Thank you.

[saccharinelies]

@skydiverangel I was also wondering if you could help me understand the mathematical model of the system provided on the website, more specifically the Jacobian linearization and the transfer matrix on pages 4 and 5. I can follow the proof up to the middle of page 4, but I get lost at the Jacobian linearization. Is there any way you could simplify the proof so that a high school student (with only Calculus I knowledge) could understand it? Thanks so much! <3

[skydiverangel]

@saccharinelies

The mathematical model on our website is aimed at people who already took at least an introductory control class at a university. The Jacobian linerization is essentially approximating a nonlinear function with a linear one and this is done by expanding the function into a Taylor series and retaining only the first two terms. The transfer function, on the other hand, requires understanding of the Laplace transform, which is generally taught in college control classes.

[saccharinelies]

@skydiverangel Thanks for the reply! I think it might take us a little longer though, since we don't have a lot of experience w/ soldering and electronics.

[saccharinelies]

Hi, cool stuff :)

I'm a senior in high school and I'm thinking about purchasing this kit for my AP Physics C final project. Do you know approximately how long it takes to assemble this kit?

Thanks

[skydiverangel]

@saccharinelies

Thank you very much. It may take up to an hour to assemble it.

[saccharinelies]

@skydiverangel Thanks for the reply! I think it might take us a little longer though, since we don't have a lot of experience w/ soldering and electronics.

[liwits]

AWESOME - AMAZING!!!  awesmazing..

[skydiverangel]

@liwits

Thank you.

[MichiZ90]

the levatitating parts can't be permanent magnets!

you'd have to calibrate the system for each of those different kinds of magnets.

i'm sure this is metal, but anyway good job.

to see real magnets levitating look up for "levitation board"!

[skydiverangel]

@MichiZ90

Levitating parts are permanent magnets. Adjustment to different magnets is handled by the software.

[MichiZ90]

@skydiverangel

how should the sofware know which permanent magnet is levitating?!!

it would be able by an external interrupt, but not by doing nothing!

[skydiverangel]

@MichiZ90

The software knows which magnet is levitating through the Hall effect sensor.

[luisfable]

very very interes"thing"

[skydiverangel]

@luisfable

Thanks.

[Twistx77]

Awesome, could you tell how many turns does that electromagnet have?

[skydiverangel]

@Twistx77

Thanks. It is approximately 250 turns.

[Twistx77]

@skydiverangel Thank you! I might buy your kit it has a good price.

[skydiverangel]

@Twistx77

Thanks.