Index of /Power Electronics/Motors & Motor Control
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Still online, we are. The code for this website is getting old, but still works well as far as I've seen. I may update it with new code and new features eventually, one day when I have both free time and focus. Until then, the content is still useful, I'm keeping it online. Comments and donations are welcome, but include your email address if you want a reply.

Ideas for the future of the site -
Here are some ideas I've been brainstorming. I don't think to much of the site should change, because it has been successful all these years with very little change. still nearly 1000 visitors a day to the site!
  • donations - I think it might be time to make some changes to the donations. I would rather see people get a lifetime membership and not have to worry about an expire date. here's an idea, a smaller recurring payment monthly, or 4 times a year, then maybe offer a second option, donate enough to cover the cost of the server for one month and you'll get a lifetime membership that never expires.
  • automated account creation - the membership process should be automated. I rarely hear a complaint about anything, but I don't think people feel so safe emailing me a username and password to set up an account. I think people may feel more safe dealing with an automated system. make a donation, then type your account into right in to the computer and have it set up on the spot.
  • members only forum - the site doesn't seem to need a full forum, but it could still benefit from a single simple board or mailing list, maybe. still optional, but maybe only available to members. non-members wouldn't be able to post on or see the forum. for those who donate to openly communicate.
You can send me your comments in the form above. I'm not putting any work into these changes without getting feedback from you!
If we have any web developers out there, we'd love your help! come on, my birthday's tomorrow!

Better forum? -
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Thank you, everyone who has helped support the site over the years. you've done your part, now help me do my part to improve the site with your input.

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new server -
this week, we've moved the website to a bigger faster server. we have doubled the weekly download limit to 20mb and are now allowing hot-linking, so more people can get the documents they're looking for. this new server is still relatively low cost, but is a bit more to pay for each month then the last server. we still need your donations to help with this. thank you all who have supported the site and community!!!

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Last Accessed Size  File
09-21-18 67373  120V Motor Speed Controller-Multiple.pdf
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09-21-18 2756358  A Stepping Motor Drive.pdf
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09-21-18 1170568  Adaptive Motor Starter Delays When Necessary.pdf
09-21-18 755653  Adjustable-Speed-Drives-Tutorial.pdf
09-21-18 26272  Alternators as Stepper Motors Comment.pdf
09-21-18 149956  Alternators as Steppers.pdf
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09-21-18 87246  Basic PWM DC motor speed control.pdf
09-21-18 14522  Bipolar Stepper Motor Drive
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09-21-18 458645  Cassette Motor Speed Regulator.jpg
09-21-18 72421  Ceiling Fan Control Wiring.jpg
09-21-18 656010  Controller for Small DC Motors.pdf
09-21-18 147634  Controlling DC Motors.pdf
09-21-18 79188  Controlling DC power with Pulse Width Modulation Errata.pdf
09-21-18 122562  Controlling Stepper Motors.pdf
09-21-18 41679  Controlling_Stepper_Motors.pdf
09-21-18 458353  Convert Synchronous Motor to Stepper.pdf
09-21-18 4735937  DC Drives.pdf
09-21-18 1148410  DC Machines - Class Notes.pdf
09-21-18 490973  DC Motor Control.pdf
09-21-18 112401  DC Motor Speed Control with Nraking.pdf
09-21-18 155448  DC Shunt Motor Operation.pdf
09-21-18 397221  DC Shunt Motor.pdf
09-21-18 68343  Dc Motor Control System-Multiple Motors.pdf
09-21-18 374380  Dc Motor Controller-Reversing.pdf
09-21-18 1046  Dc Motor Speed
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09-21-18 381527  Dynamic Brake.pdf
09-21-18 677626  ELECTRIC MOTOR CONTROLS.pdf
09-21-18 13300  Economical Pump
09-21-18 547831  Efficient Motors in Inefficient Systems.pdf
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09-21-18 612195  Energy Saving Motor Controller.pdf
09-21-18 735138  Fan Speed Control For Your Furnace.pdf
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09-21-18 11229  H-Bridge Motor Output Driver Stage Np-S.PDF
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09-21-18 89868  Marine Autopilot Pump Motor Controllers.pdf
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09-21-18 438911  Model Speed Control.pdf
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09-21-18 165875  Model Train Throttle Control.pdf
09-21-18 3195589  Motor Control Circuits.pdf
09-21-18 387565  Motor Controller - 3 Phase variador_202 - Italian I
09-21-18 23469  Motor Controller variat2_03.pdf
09-21-18 27987  Motor Controller variat3_20.pdf
09-21-18 9093  Motor Direction Controller.pdf
09-21-18 408954  Motor Revolutions Control.jpg
09-21-18 59251  Motor Rotational Speed Alarm.pdf
09-21-18 233835  Motor Speed Controller.pdf
09-21-18 4740065  Motor Speed Controls - Assorted.pdf
09-21-18 150884  NASA Motor Control Errata.pdf
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09-21-18 56264  One IC motor controller.pdf
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09-21-18 88477  Power Failure Detector.pdf
09-21-18 309611  Power Stepper Motors using Alternators.pdf
09-21-18 3441380  Programmable Speed Controller for Synchronous Motors.pdf
09-21-18 699514  Pulse Sensing on Motor Inrush Current.pdf
09-21-18 615727  Quickening Servo System Response.pdf
09-21-18 886262  Regulated Universal Motor Speed Control.pdf
09-21-18 431209  Remote Speed Controller for Universal Motor.pdf
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09-21-18 143326  Reversing AC Motors.pdf
09-21-18 123268  Saving Power with Motors.pdf
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09-21-18 180210  Servo Motor Control (basics).pdf
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09-21-18 7555
09-21-18 567161  Servomotor Thermal Modelling.pdf
09-21-18 78352  Simple Pwm 24V Motor Speed Control.pdf
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09-21-18 635346  Small Line Powered Motor Dynamic Brake.pdf
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09-21-18 16578  Solar Triggered Switch.ZIP
09-21-18 612612  Speed Controller for Motors.pdf
09-21-18 217896  Stepper Motors - Misc.pdf
09-21-18 3759269  Stepper Motors as Shaft Encoders.pdf
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09-21-18 40097  Switch Mode Motor Controller.pdf
09-21-18 677051  Switched Reluctance Motors.pdf
09-21-18 474188  Synchronizing When Speed Counts.pdf
09-21-18 557548  Synchronous Motor Phase Control.pdf
09-21-18 537010  Synchronous Pulsing Cuts Three Phase Motor's Dissipation.pdf
09-21-18 123186  Three Phase Controller.pdf
09-21-18 1203635  Thyristor Control of Shunt Wound DC Motors.pdf
09-21-18 2272834  Towards Better Control of Small DC Motors.pdf
09-21-18 20299  Triac Speed Controller.pdf
09-21-18 42074  Universal Motor Remote Speed Control.pdf
09-21-18 84240  Universal Motor Speed Control and Lamp Dimmer.pdf
09-21-18 83724  Use PWM To Maintain Motor Speed & Phase With No Loop Filter.pdf
09-21-18 2933418  Using Alternators as Stepper Motors.pdf
09-21-18 954810  West Bend 136 Motor Starting Kit.pdf

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