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input_shaper: Initial support of input shaping (#3032)

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Input shaping can help to reduce printer vibrations due to resonances
and eliminate or reduce ghosting in prints.

Signed-off-by: Dmitry Butyugin <dmbutyugin@google.com>
This commit is contained in:
Dmitry Butyugin
2020-07-06 02:54:38 +02:00
committed by GitHub
parent 09a3d018a8
commit 4bdc11a8b3
5 changed files with 626 additions and 2 deletions
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34
config/example-extras.cfg
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@@ -522,6 +522,40 @@
# Directly sets the default prefix. If present, this value will override
# the "default_type".
######################################################################
# Resonance compensation
######################################################################
# Enables input shaping.
#[input_shaper]
#shaper_freq_x: 0
# A frequency (in Hz) of the input shaper for X axis. This is usually a
# resonance frequency of X axis that the input shaper should suppress.
# For more complex shapers, like 2- and 3-hump EI input shapers, this
# parameter can be set from different considerations.
# The default value is 0, which disables input shaping for X axis.
#shaper_freq_y: 0
# A frequency (in Hz) of the input shaper for Y axis. This is usually a
# resonance frequency of Y axis that the input shaper should suppress.
# For more complex shapers, like 2- and 3-hump EI input shapers, this
# parameter can be set from different considerations.
# The default value is 0, which disables input shaping for Y axis.
#shaper_type: mzv
# A type of the input shaper to use for both X and Y axes. Supported shapers
# are zv, mzv, zvd, ei, 2hump_ei, and 3hump_ei.
# The default is mzv input shaper.
#shaper_type_x:
#shaper_type_y:
# If shaper_type is not set, these two parameters can be used to configure
# different input shapers for X and Y axes. The same values are supported
# as for shaper_type parameter.
#damping_ratio_x: 0.1
#damping_ratio_y: 0.1
# Damping ratios of vibrations of X and Y axes used by input shapers to
# improve vibration suppression. Should not be changed without some proper
# measurements, e.g. with an accelerometer.
# Default value is 0.1 which is a good all-round value for most printers.
######################################################################
# Config file helpers