Difference between revisions of "TARM robot"
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= TARM (Traverse Arm) robot = | = TARM (Traverse Arm) robot = | ||
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| − | + | == General setup == | |
| − | + | *J1 is the linear traverse axis | |
| + | *J2 is angular axis of the Z-Roll couple. | ||
| + | *J3 linear (Z) axis of the Z-Roll couple. | ||
| + | *J4 additional rotational axis of the end-effector. | ||
| − | == | + | == Kinematics == |
| − | + | [[File:Inverse dynamic model for Traverse Arm kinematics - Definitions.png|RTENOTITLE]] | |
| + | == Main Kinematics Equations == | ||
| + | === Direct Kinematics: === | ||
| + | |||
| + | === Inverse Kinematics: === | ||
{{Note|Singularity J2 at 90 degrees!}} | {{Note|Singularity J2 at 90 degrees!}} | ||
| − | Additionally there is standard coupling between motor axes A2, A3 and J2, J3 (the | + | Additionally there is standard coupling between motor axes A2, A3 and J2, J3 (the SCARA/OCP gear box). |
| − | SCARA/OCP gear box). | ||
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| − | ==Robot Configuration== | + | == Robot Configuration == |
| − | [[ | + | [[File:TARMCONFIG.PNG|800px|TARMCONFIG.PNG]] |
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| + | == Reference positions == | ||
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Cartesian Location Joint (LEFTY) Joint (Righty) | Cartesian Location Joint (LEFTY) Joint (Righty) | ||
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#{L1 , 0 , 0 , 0} {0 , 0 , 0 , 0} {2L1 , 180 , 0 , -180} | #{L1 , 0 , 0 , 0} {0 , 0 , 0 , 0} {2L1 , 180 , 0 , -180} | ||
#{0 , L1 , 0 , 0}1 {0 , 90 , 0 , -90} {0 , 90 , 0 , -90} | #{0 , L1 , 0 , 0}1 {0 , 90 , 0 , -90} {0 , 90 , 0 , -90} | ||
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#{0 , 0 , 0 , 0} {-L1 , 0 , 0 , 0} {L1 , 180 , 0 , -180} | #{0 , 0 , 0 , 0} {-L1 , 0 , 0 , 0} {L1 , 180 , 0 , -180} | ||
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| + | == Setup file == | ||
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This kinematics type is defined using “model = 7” identifier. Traverse Arm Kinematics group definition: | This kinematics type is defined using “model = 7” identifier. Traverse Arm Kinematics group definition: | ||
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common shared Tarm as group axnm = a5 axnm = a6 axnm = a7 axnm = a8 model = 7 | common shared Tarm as group axnm = a5 axnm = a6 axnm = a7 axnm = a8 model = 7 | ||
The only geometric parameter – segment length L1 is kept in '''<robot>.link[1][1]''' | The only geometric parameter – segment length L1 is kept in '''<robot>.link[1][1]''' | ||
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| − | Definition of L1 = 500 mm and positive | + | | |
| − | vertical direction of Z axis. | + | Standard Z-Roll coupling definition (same as SCARA or OCP) |
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| − | axis[1][1] = 0<br> | + | | |
| − | axis[1][2] = 0<br> | + | cplg[1][1] = 1<br/> cplg[1][2] = 0<br/> cplg[1][3] = 0<br/> cplg[1][4] = 0<br/> cplg[2][1] = 0<br/> cplg[2][2] = 1<br/> cplg[2][3] = 0<br/> cplg[2][4] = 0<br/> cplg[3][1] = 0<br/> cplg[3][2] = 0<br/> cplg[3][3] = 1<br/> cplg[3][4] = 40/360 ' 40mm/per revolution<br/> cplg[4][1] = 0<br/> cplg[4][2] = 0<br/> cplg[4][3] = 0<br/> cplg[4][4] = 1<br/> coupled = 1 |
| − | axis[1][3] = 1<br> | + | |
| − | link[1][1] = 500<br> | + | |- |
| − | link[1][2] = 0<br> | + | | |
| − | link[1][3] = 0 | + | Definition of L1 = 500 mm and positive vertical direction of Z axis. |
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| + | axis[1][1] = 0<br/> axis[1][2] = 0<br/> axis[1][3] = 1<br/> link[1][1] = 500<br/> link[1][2] = 0<br/> link[1][3] = 0 | ||
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|} | |} | ||
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| + | [[Category:Robot Models]] | ||
Latest revision as of 05:35, 8 April 2022
| Language: | English • 中文（简体） |
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Contents
TARM (Traverse Arm) robot
General setup
- J1 is the linear traverse axis
- J2 is angular axis of the Z-Roll couple.
- J3 linear (Z) axis of the Z-Roll couple.
- J4 additional rotational axis of the end-effector.
Kinematics
Main Kinematics Equations
Direct Kinematics:
Inverse Kinematics:
 | NOTE |
| Singularity J2 at 90 degrees! |
Additionally there is standard coupling between motor axes A2, A3 and J2, J3 (the SCARA/OCP gear box).
Robot Configuration
Reference positions
Cartesian Location Joint (LEFTY) Joint (Righty)
#{L1 , 0 , 0 , 0} {0 , 0 , 0 , 0} {2L1 , 180 , 0 , -180}
#{0 , L1 , 0 , 0}1 {0 , 90 , 0 , -90} {0 , 90 , 0 , -90}
#{-L1 , 0 , 0 , 0} {-2*L1 , 0 , 0 , 0} {0 , 180 , 0 , -180}
#{0 , 0 , 0 , 0} {-L1 , 0 , 0 , 0} {L1 , 180 , 0 , -180}
Setup file
This kinematics type is defined using “model = 7” identifier. Traverse Arm Kinematics group definition:
common shared Tarm as group axnm = a5 axnm = a6 axnm = a7 axnm = a8 model = 7
The only geometric parameter – segment length L1 is kept in <robot>.link[1][1]
|
Standard Z-Roll coupling definition (same as SCARA or OCP) |
cplg[1][1] = 1 |
|
Definition of L1 = 500 mm and positive vertical direction of Z axis. |
axis[1][1] = 0 |