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Light level can oscillate instead of stabilizing when compensating for overheating. #10

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dhiltonp opened this issue Jan 5, 2013 · 2 comments
Open

Light level can oscillate instead of stabilizing when compensating for overheating. #10

dhiltonp opened this issue Jan 5, 2013 · 2 comments
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@dhiltonp
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dhiltonp commented Jan 5, 2013

I've seen this a couple of times.

It may be a function of

  • having the flashlight unscrewed (lower thermal mass),
  • lower ambient temperature
  • fluctuations in ambient temperature (air surrounding the light heating up, followed by changes in air currents due to movement)
@dhiltonp
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Look at adding a phase-locked loop to counter this.

@dhiltonp
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PID thermal control, https://en.wikipedia.org/wiki/PID_controller

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@dhiltonp