low pass gain setting

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Jake
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Elite Member

14 Jan 2017 04:28 #85722 by Jake

low pass gain setting was created by Jake

I have low pass gain on my spindle DAC output. Would a larger or smaller value increase the time?

Thanks guys!

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andypugh
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18 Jan 2017 12:28 #86047 by andypugh

Replied by andypugh on topic low pass gain setting

Typically a lower value increases the amount of filtering.
The gain should always be less than 1, and a gain of 1 means "no filtering".

The code is super-simple:

	out += (in - out) * gain;

The following user(s) said Thank You: Jake

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Jake
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18 Jan 2017 21:56 #86099 by Jake

Replied by Jake on topic low pass gain setting

Thanks Andy!

I changed mine from 0.05 to 0.01, it made the spindle drive happy. I couldnt find to logic on how lowpass worked.

Thanks again for clearing it up!

Now onto the touch probe and tool changer this weekend!

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