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heaters: Change default smooth_time from 2 seconds to 1 second

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A larger smooth_time results in a slower reaction time for the PID.
This increased delay can cause temperature oscillations with high
power heaters.  Many boards produce good results without any
smoothing.  So, it seems a smooth_time of 1 second is a better
default.

Reported by @ReXT3D.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2021-09-01 12:54:25 -04:00
parent af3622544d
commit c84956befe
3 changed files with 7 additions and 3 deletions
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2
klippy/extras/heaters.py
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@ -34,7 +34,7 @@ class Heater:
is not None)
self.can_extrude = self.min_extrude_temp <= 0. or is_fileoutput
self.max_power = config.getfloat('max_power', 1., above=0., maxval=1.)
self.smooth_time = config.getfloat('smooth_time', 2., above=0.)
self.smooth_time = config.getfloat('smooth_time', 1., above=0.)
self.inv_smooth_time = 1. / self.smooth_time
self.lock = threading.Lock()
self.last_temp = self.smoothed_temp = self.target_temp = 0.