Difference between revisions of "PUMA THETA Parameters"
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Same robot position (joint is {0,0,0,0,0,0}) with different THETA values:<br> | Same robot position (joint is {0,0,0,0,0,0}) with different THETA values:<br> | ||
| − | [[File:PUMAZERO.JPG]] [[File: GRTZERO.JPG]] | + | [[File:PUMAZERO.JPG|Zero Theta]] [[File: GRTZERO.JPG | Non zero theta]] |
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<pre> | <pre> | ||
Revision as of 15:39, 16 March 2016
Theta of DH for PUMA model
 | NOTE |
| For description of PUMA Denavit Hartenberg parameters please go to: Puma DH |
Theta parameter was added for PUMA kinematics model, to support user-defined zero joint position ( {0,0,0,0,0,0} ) independently of robot actual pose.
Same robot position (joint is {0,0,0,0,0,0}) with different THETA values:
double PUMA_GET_THETA(int hndl, int i); double PUMA_SET_THETA(int hndl,int i, double value);
Remember to add in your PROTO.PRO file:
import_c PUMA_GET_THETA(byval as long, byval as long) as double import_c PUMA_SET_THETA(byval as long, byval as long,byval as double) as double
Algorithm
Basically the values are added in IK and DK to each of joint angle values.
Return Value
If an error occurs (non-PUMA model or invalid index) both functions return -1
If everything is OK, PUMA_SET_THETA returns 1
Availability
Since version 4.5.15