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AC Motor

Discussion in 'Motor actuators and drivers' started by DannyT, Aug 20, 2013.

  1. DannyT

    DannyT Rider

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    Hallo.

    Ich betreibe einen Boeing 737 Simulator.
    Dafür habe ich eine Motion Plattform gebaut mit der velleman k8055 und einem Sabertooth Motor controller. Als motoren dienten 2 elektrische Wagenheber.
    Problem war zum einen die Lautstärke und die sehr langsame Bewegung.
    Habe mich danach mit einer Pneumatik Lösung beschäftigt, welche aber zu ungenau ist.
    Dann habe ich nach leistungsstarken Getriebemotoren gesucht, welche mit einem Arm die Plattform bewegen sollten. Leider sind die DC motore zu leistungsschwach oder es gibt keine passende Motor controller. Nun habe ich in diversen Foren Lösungen mit AC Motoren gesehen. Leider habe ich nun keinen Plan, wie ich solche Motore ansteuern kann?
    Die Velleman arbeitet ja nach dem Schema 0 Volt voll links, 2,5 Volt stop und 5 Volt voll andere Richtung.
    Gibt es einen controller der auf gleiche Weise grosse AC GetriebeMotoren steuern kann?

    Bitte um Hilfe.

    Danny
  2. value1

    value1 Nerd SimAxe Beta Tester SimTools Developer Gold Contributor

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    Hallo DannyT
    Willkommen hier auf x-simulator.de! :cheers:
    Ich denke mal, da bringst du dein k8055-Signal auf einen Frequenzumrichter. Ich habe meine Finger bisher von 230V gelassen :crutch:
    Um eine Platform von mehreren 100 kg (nehme ich mal an) zu bewegen, dürfte das aber der richtige Ansatz sein.
    Schau dir doch auch mal den Thread von schillermetall an. Er bewegt etwas ähnliches.
    Über Frequenzumrichter findest du Beiträge im Netz auch unter dem Stichwort Variable-frequency drive oder VFD.
  3. DannyT

    DannyT Rider

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    Hallo Value1,

    vielen Dank für die Antwort. Bringt mich aber leider nicht weiter. Den Thread von Schillermetall kenne ich schon aus einem anderen Forum. Ist ja ähnlich wie das Wagenheberprinzip. Dieses System will ich nicht mehr einsetzen, da Probleme wie oben.
    Arbeiten mit einem Frequenzumrichter verstehe ich nicht.
    Es muss doch eine Steuermöglichkeit geben, die sich mit der X-Sim Software steuern lässt. Nur welche??
  4. DannyT

    DannyT Rider

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    Hallo,

    okay, habe mich nun ein wenig eingelesen bzgl Frequenzumwandler. Habe in der Bucht einen gefunden, da steht: Analog Setting Method: 0-5V....heisst das, ich kann den dann auch mit der velleman Karte steuern?
    Danny
  5. DannyT

    DannyT Rider

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    Maybe someone can help me in English:

    I operate a Boeing 737 simulator.
    I have a motion platform built with the velleman K8055 and a Sabertooth motor controller. Electric motors were 2 jack.
    But I had a problem with the noise and the very slow movement.
    I then occupied myself with a pneumatic solution, but which is too vague.
    Then I searched for powerful gear motors, which should move the platform with one arm. Unfortunately, the DC motore are too weak or there is no suitable motor controller. Now I've seen in various forums solutions with AC motors. Unfortunately I now have no idea how I can control those motors?
    The Velleman works even after the scheme fully left 0 volts, 2.5 volts stops and 5 volts different direction.
    Is there a controller that can control the same way large AC Geared Motors over Variable-frequency drive - VFD

    need some help.

    Danny
  6. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    My Motion Simulator:
    2DOF, DC motor, JRK, SimforceGT, 6DOF
    Considered high powered 24v DC Gear Drives, Im to still experiment with a new driver from Dimension Engineering - Kangaroo. Hook this to a Sabertooth 2x60 and run at 24v with a peak of over a 100amps avail for stall and direction changes, where most motors and driver fail.
    Take a look at the doc, Plus this should be compatible with new software and can use limit switchs to control safety of sim.

    To me you should be able to get the approx. torque 240v offer you in 24v and have a fast usb connection to the Kangaroo.

    http://www.dimensionengineering.com/products/kangaroo

    Man if someone sent me a sabertooth to test I could do it for the site and document it for others. Just haven't had the funds of late. Do have a Kangaroo and Usb Driver for it just need a sabertooth and a couple of limit switches to test my theory that we can drive the controller in Sim Tools.
    With new job prospects on the horizon funding might be there, I will have to wait to see.
    I want to test the sabertooth for my self so I can hopefully recreate a 301 or 401
    • Like Like x 1
  7. DannyT

    DannyT Rider

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    Ok!, understood.
    But where is the difference to the velleman k 8055? I am satisfied with this card.
    And then where to get a sufficient power supply for the DC Motor with over 100 amps?
    Looking further for help.
    Danny
  8. eaorobbie

    eaorobbie Well-Known Member SimTools Developer Gold Contributor

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    My Motion Simulator:
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    24V DC battery or very expensive psu. My preferred is a gel cell marine battery with a battery changer on it to keep it toped up in amps. Maybe a couple in parallel to boost the time use.
    Cheaper than a dedicated psu.

    Don't get me wrong about the k8055 been around a long time , have used it, just slow and now not compatible with new software here. Kangaroo is a new device designed to make a sabertooth and dc motor into an efficient rc servo with power to spare, we can control rc servos easily in the new software. In my opinion and easy step in converting a k8055 sim to a fast and user friendly driver.
    Just another option mate
  9. DannyT

    DannyT Rider

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    Hello aerorobby,

    many thanks for your assistance of my thread.

    Yes, unfortunetly the 8055 is getting out of time, but a nice device to learn how to do. I did not know, that support for the new software (guess you mean x-sim) has stopped!?
    Anyway, does it mean the Kangaroo is supported in x-sim? Cause I am not a programmer and will never be due to lag of time. Best would be plug in the Kangaroo, connect it to sabertooth, some settings in x-sim and GO.
    Possible???
  10. eightbit

    eightbit Active Member Gold Contributor

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