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Bridges

New Member From New Zealand
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      Bridges replied to the thread Universal Motor Speed Control.
      I ran into lots of frustrating problems yesterday because the new inductive sensor just didn't produce pulses as the previous one did...
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      Bridges replied to the thread Universal Motor Speed Control.
      At post #30 the inductive pickup I was using with the router failed so I had to use another motor, the washing machine motor, which has...
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      Bridges replied to the thread Universal Motor Speed Control.
      Finally back to the project after a few days working. Since I am now back to using an inductive sensor as opposed to the hall effect...
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      Bridges replied to the thread Universal Motor Speed Control.
      Thanks Allan for your time in explaining things to me. Today I have had some success with the LM2917. I made up a 2 lobe optical...
      • OpticalEncoder.JPG
      • InductiveSensor.JPG
      • SensorCh1OuputCh210,000rpm.JPG
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      Bridges replied to the thread Universal Motor Speed Control.
      Firstly, today I ran the router up to 10,000 rpm and the integrated output was 3.89V. This output is quite smooth at this speed but the...
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      Bridges replied to the thread Universal Motor Speed Control.
      Today I made up two small pcb's, one of them is using an LM2917 Frequency to voltage converter and the second on is using a picaxe 08M2...
      • DSCN3265.JPG
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      Bridges replied to the thread Universal Motor Speed Control.
      Thanks Alan, It will take me some days to fully understand everything in your post and to try this out and to return with feedback but...
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      Bridges replied to the thread Universal Motor Speed Control.
      Hi Alan, To answer your questions, Yes, the tacho input c.4 is available and can be used. The speed range is 3,000 to 10,000 rpm. As...
      • DSCN3259.JPG
      • DSCN3260.JPG
      • DSCN3258.JPG
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      Bridges replied to the thread Universal Motor Speed Control.
      Since post #71 I have been working on a permanent board for the motor controller and thought I would post a picture. It works just as...
      • MotorController.jpg
      • MotorController2.jpg
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      Bridges replied to the thread Universal Motor Speed Control.
      The forum has been a real learning curve for me. Today my new mosfet drivers, TLP358, arrived and was installed and I learnt what a...
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      Bridges replied to the thread Universal Motor Speed Control.
      Today was more testing and a very interesting result, but first the motor, it takes 9 seconds from full speed of 10,000rpm to free wheel...
      • Post#63 LoadTest5.jpg
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