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Motor Control Textbook or Long Article?

04/26/2015 7:19 AM

Motor control is my weakness. Please recommend me a textbook or long article so I can get up to speed on it? Hopefully something that has little if any calculus. I am especially interested in learning

1. different kinds of relays

2. using relays to do digital logic (and/ or/ nand/ nor gates)

3. pump control

4. Variable speed drives

5. SCADA

6. soft start systems

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#1

Re: motor control textbook or long article?

04/26/2015 9:30 AM

A very common textbook is
Industrial Motor Control by Stephen L. Herman in various editions over the years.
These show up on used book sites (half.com, Amazon) for a couple bucks each.

Others:

Motor Control Technology for Industrial Maintenance by Thomas E. Kissell
Electronic Variable Speed Drives, by Michael E. Brumbach

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#2

Re: motor control textbook or long article?

04/26/2015 10:01 AM

Sorry but motion control is one of the topics that must include at least an understanding of calculus. Getting things to position x, at a velocity of v (x') with an acceleration of a (x'') requires the nomenclature of calculus. Then there is the added need for calculus with current (q') flowing through an inductor [V=L*q'']. Not to mention the elegance of Steinmetz and his equivalent circuit for a motor model. [Be careful, the S in that equation is the slip not the La Place variable s.] Unlike the calculus class you hated, you will not have to derive anything but things that move in time require calculus to understand what is happening.

Then comes the eye opening experience of control theory.

I learned what I know of motors and control theory by taking formal academic training because when I correct a Physicist that their experimental apparatus cannot be made to move that way I must sometimes start with Maxwell's and Newton's equations. (It embarrasses them every time to prove they forgot their undergraduate material. On the good side, they tend to listen to my suggestions afterwards. )

If you identified what type of motors (brushed DC, universal motors, induction, stepper, piezo) you wished to control then we might be able to guide you a little better.

The textbook I used was by Stephen J. Chapman, Electric Machinery Fundamentals, ISBN 0-07-246523-9. I see a few web sites have this available as a PDF file. I guess it has been made public domain material.

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#3

Re: motor control textbook or long article?

04/26/2015 10:29 AM

As for relay logic you should look into ladder logic.

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#4

Re: motor control textbook or long article?

04/26/2015 12:13 PM

Dear Mr.1capybara,

Apart from the Text Books, I suggest you enroll/register in the ELECTRICAL ENGINEERING PORTAL and you will get all types of Electrical Subjects ranging from Fundalments to the latest topics, like VFD, LED, Power Transmission etc., etc.

You will also get some Books for down-loading. You can send your comments, post a question etc.,etc.

The Link is http://electrical-engineering-portal.com

DHAYANANDHAN.S

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#5

Re: motor control textbook or long article?

04/26/2015 12:37 PM

Dear mR.1capybara,

In continuation to my reply posting (Refer No.4 above) I for got to mention that there are 2 more web-links, in continuation to to the link

http://electrical-engineering-portal.com here you can down load he books freely,. Also Pl. enroll/register your self and you can get the Books for free Down-Loading.

The 1st Link is www.Zone4info . com and this link covers all branches of Engineering and in Electrical Engineering plenty and plenty of Books are available for down-loading, in all Engineering Branches.

The 2nd link is www.bookboon.com This link will give limited Books in Engineering, and more Books of Management Studies.

Pl. enroll your self, and try.

DHAYANANDHAN.S

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#6

Re: Motor Control Textbook or Long Article?

04/27/2015 12:32 AM

WOW! Thank you Sirs!

:)

(BTW, yes I can do calculus if I have too, but IMHO it is rarely called for once we graduate)

∂x/∂y

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#9
In reply to #6

Re: Motor Control Textbook or Long Article?

04/27/2015 12:16 PM

Many of us probably would need a lot of time and reference material to do even simple calculus calculations after 5-10 years out of school. But, having gone through the physics and calculus sequence of courses helps us understand things in the "real world" better than many (not all) people without this training. Some people are just flat out smart while others pay a lot of tuition at the School of Hard Knocks. I have worked with Phd's that couldn't be trusted to tie their own shoes but in general physics and calculus give the student wisdom that is hard to obtain elsewhere.

Someone who has not had these classes knows that speed, acceleration, momentum, power, energy and other values can be calculate by someone else. Having had physics and calculus means (unless you were that guy in row 7 that cheats) that you have done the calculations and have the experience that you can apply. By itself this might not be as good as the School of Hard Knocks, but put them together and you have a good resume.

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#7

Re: Motor Control Textbook or Long Article?

04/27/2015 4:00 AM

Don't overlook "Linked-in",.. it's a great place for networking and sharing information with other experts/specialists all over the world,. just try it out!! Also, this technical forum "CR4" is a useful tool !!

Hope this helps!!

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#8

Re: Motor Control Textbook or Long Article?

04/27/2015 11:38 AM

Just go on Amazon.com, type in what you want, and read the reviews. You should be better at finding what you want than we are.

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#10

Re: Motor Control Textbook or Long Article?

04/27/2015 2:43 PM

And then there is pneumatic logic, interfaced with electronic logic:

Not and And to perform NAND function.

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