How Electric Motors Work - http://www.howstuffworks.com/motor.htm - A basic introduction to the operation of motors.  In particular, note the various motors used in home and automobile applications.

 

A multimedia tutorial on motors and motor control with nice animations of various motor types and motor control methods.

·        Motor Principles

o       DC Motors

o       Brushless DC Motors

o       Stepper Motors

o       Switched Reluctance Motors

o       Brushless AC Motors

o       AC Induction Motors

·        Phase Angle Control

·        Pulse Width Modulation

·        Power Topologies

MicroMo/Faulhaber series of tutorials on motors - http://www.micromo.com/notestutorials/?Menu=TechnicalLibrary

·        Motor Calculations (pdf) A general mathematical discussion of the derivation of some of the defining values for a DC motor.

·        Development of Electromotive Force (pdf) Discussion of Faraday's laws and how EMF is developed.

 

Bodine Electric motor information (provided by one of their vendors, Electrosales)

·        AC motors (permanent split capacitor, split phase, 3 phase) - http://www.electrosales.com/bodine/ac_info.html

·        DC Motors, speed regulation, form factor: http://www.electrosales.com/bodine/DcInformation.html

·        Brushless motors: http://www.electrosales.com/bodine/brushless_info.html

 

AC induction (“squirrel cage”) motors -   http://www.mech.uwa.edu.au/DANotes/motors/home.html

 

Motion Control Primer - Sizing an Industrial Motor for the Job - http://www.aveox.com/primer.html.  A very brief introduction to an important problem.

 

Parker Automation information on steppers, DC brush and brushless motors

·        Stepper

·        DC brush

·        DC brushless

 

DC Motor Overview - Procedure for Identifying Permanent Magnet DC Motors - Permanent Magnet DC Motor Equations and Transfer Functions, and Identification of DC Motor Parameters: Kb, Kt, R, Jo, L, D, and Kf

 

MicroMo/Faulhaber series of tutorials on motors - http://www.micromo.com/notestutorials/?Menu=TechnicalLibrary

·        How to Select a DC Motor (pdf) Some useful guidelines for choosing a DC motor for an application.

·        Gearhead Construction and Use (pdf) A discussion of the features and benefits of exact ratio gearboxes (integral ratios.)

·        Sourcing Motion Control (pdf) A short tutorial on what to look for when sourcing motion control systems and components...

·        Motion Control Handbook (pdf) A Resource Guide to Motion Control Technology. This Handbook is an overview and general guide to Programmable Motion Control.

 

Descriptions of AC, DC, stepper motors with many links to additional information - http://www.epanorama.net/links/motorcontrol.html

 

Control of Stepping Motors - A Tutorial by Douglas W. Jones THE UNIVERSITY OF IOWA Department of Computer Science - http://www.cs.uiowa.edu/~jones/step/ - A detailed introduction to stepper motors with emphasis on how they are controlled. Also has many links to manufacturers and other sources of information.

 

Detailed introduction to DC motor speed control - http://www.4qd.co.uk/fea/index.html - particularly targeted at battery operated DC motors

 

Links to many different motor manufacturer (Bison, Hurst, Molon, Leeson, Hurst, API Motion, Globe) specifications http://www.minarikcorp.com/300ACDCmotr.html

 

Stepper motor archive at http://www.wirz.com/stepper/index.html - this site offers configuration and wiring data for surplus stepper motors and some good technical info regarding steppers in general.

 

Danaher Motion / Portescap – manufacturer of miniature motors (Gear Motor,  Brushless DC, Slotless BLDC, DC Motors, Low Cost DC Motors, Stepper, Digital Linear Actuators) - http://www.apimotion.com/Entry_Pages/Portescap.htm

·        Portescap_Full_Line_Catalog.pdf  (4.3 MB)

·        Portescap_Miniature_Brushless_Catalog.pdf (0.66 MB)

o       Pages_3_to_5_Portescap_Miniature_Brushless_Catalog.pdf

 

A glossary of motor terms provided by Rockwell Automation - http://www.reliance.com/prodserv/motgen/b9652.htm

·        also available as a Word file – motglos.doc

 

Paper – “Application Of Dynamic Braking To Mine Hoisting Systems” – good overview of DC motor/generator operation - http://www.msha.gov/S&HINFO/PAPER3.HTM