On Fri, 2008-11-07 at 13:34 -0200, Jimmy Schneiderman wrote:
> Dear Tomp,
> 
> Where are located linear accelation parameter per linear axis and where is
> located the single radial accelation parameter for all angular axis in the
> LinuxCNC Program?
> 
> Regards,
> Jimmy

EMC2 is configured by the .ini file which then calls other configuration
files.

http://www.linuxcnc.org/docview/html//config_ini_config.html

Generally, the configuration files are in a directory under the machine
configuration name, such as:

/home/your_username/emc2/config_name/...

The .ini file will have the acceleration settings, and will look like
this...

"
[TRAJ]
AXES =                  3
COORDINATES =           X Y Z
HOME =                  0 0 0
LINEAR_UNITS =          0.03937007874016
ANGULAR_UNITS =         1.0
CYCLE_TIME =            0.010
DEFAULT_VELOCITY =      0.50
# units/second
MAX_VELOCITY =          4.0
# units/second
DEFAULT_ACCELERATION =  3.0    <---<<<
# units/second^2
MAX_ACCELERATION =      7.0    <---<<<
# units/second^2
PROBE_INDEX =           0
PROBE_POLARITY =        1
POSITION_FILE =         position.txt

# Axes sections ---------------------------------------------------------------

# First axis
[AXIS_0]
TYPE =                          LINEAR
UNITS =                         0.03937007874016
HOME =                          0.000
MAX_VELOCITY =                  3.0
MAX_ACCELERATION =              6.0    <---<<<
PID_MAX_VEL =                   100
BACKLASH =                      0.000

...

FF1 =      0.25
FF2 =      0.002


# Second axis
[AXIS_1]
...
"

I don't recall seeing a provision for a radial acceleration. It may be
calculated from the axes settings. If you are comfortable with C, you
may be able to read the source code to see how motion is handled.

(shot in the dark links)
http://cvs.linuxcnc.org/lxr/source/src/emc/kinematics/
http://cvs.linuxcnc.org/lxr/source/src/emc/motion/
http://cvs.linuxcnc.org/lxr/source/src/emc/



Kirk
http://www.wallacecompany.com/machine_shop/index.html



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