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  • Servo movement

    We have two continuous rotation servos that have a sort of jerky movement. When we tell them to go forward, they move a little, then stop for around half a second, and then start moving again, and then stop, etc. There is next to no load on the servo, and they were working perfectly under the same conditions as of yesterday afternoon. After that trial, the servos were kind of hot, and they began to exhibit this jerky movement when we tested them yesterday evening (about 2 hours later).

  • #2
    Hot servos is usually sign of a continued load, or a servo failure.

    Can your servos really run continually, or do you have a gear /rack that eventually hits a stop?
    Are your servo's still free running, or have they perhaps cracked a tooth of a gear and are now locked?

    Make sure it can run freely. If it can, but are still hot, then they have probably failed and should be replaced.

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    • #3
      Originally posted by Philbot View Post
      Hot servos is usually sign of a continued load, or a servo failure.

      Can your servos really run continually, or do you have a gear /rack that eventually hits a stop?
      Are your servo's still free running, or have they perhaps cracked a tooth of a gear and are now locked?

      Make sure it can run freely. If it can, but are still hot, then they have probably failed and should be replaced.
      I just thought... are the servos linked together? If so, perhaps one has failed and is dragging the other, or perhaps one's plug has come loose.

      If they are not linked, then it sounds like a servo controller or software issue... Were there ANY software changes since the last time they ran?

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