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![Page 1: Workspace Analysis in Multirobot Manipulation International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002 Workspace Analysis in Multirobot Manipulation.](https://reader035.fdocuments.us/reader035/viewer/2022062519/5697bfd71a28abf838caea4c/html5/thumbnails/1.jpg)
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
Workspace Analysis in Multirobot Manipulation
Ramon Costa-Castelló, Luis Basañez
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
CONTENTS
Introduction Basic Definitions Multirobot System Analysis
Dexterous Workspace Reachable Workspace
Application to RX-90 robot Dexterous Figure Construction Reachable Figure Construction
Two RX-90 cell Conclusions
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
INTRODUCTION
Multirobot Cell
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
INTRODUCTION
Multirobot Manipulation Advantages Load Capacity Increase
Dexterity Improvement
Flexible Objects
Multirobot Manipulation Drawbacks Coordination Needed
Workspace Reduction
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
INTRODUCTION
Workspace Approaches Analytical Methods
• Singularity Analysis• Exact approach
Volumetric Methods• Workspace discretization• Approximation• Obstacles
Intersection Approach • Intersection of several geometric figures• Quicker approach• Work cell Design capabilities
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
CONTENTS
Introduction
Basic Definitions Multirobot System Analysis
Dexterous Workspace Reachable Workspace
Application to RX-90 robot Dexterous Figure Construction Reachable Figure Construction
Two RX-90 cell Conclusions
![Page 7: Workspace Analysis in Multirobot Manipulation International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002 Workspace Analysis in Multirobot Manipulation.](https://reader035.fdocuments.us/reader035/viewer/2022062519/5697bfd71a28abf838caea4c/html5/thumbnails/7.jpg)
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
The kinematics f of a mechanism is the relation between the configuration space C and the operational space O
Workspace: elements of O in which the robot end-effector can be placed in
Reachable Workspace: set of positions reachable by the robot end-effector in at least one orientation
Dexterous workspace: set of positions reachable by the robot in all orientations
BASIC DEFINITIONS
f C O
|W x O C x f
| ( )nRW p R x R p W R SO n
| ( )nDW p R x W x R p R SO n
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
CONTENTS
Introduction Basic Definitions
Multirobot System Analysis Dexterous Workspace Reachable Workspace
Application to RX-90 robot Dexterous Figure Construction Reachable Figure Construction
Two RX-90 cell Conclusions
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSIS
0 0 0 0 1c i i i iC C C i N
i i i iB f O Individual kinematics
Multirobot System Configuration Space
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSIS
0
0
0
0
i i i i i i
i i i
f B f i O B f i B
f B f i O
p R R p R p p
R R R R
Position and Orientation Constraining Equations
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISDexterous Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISDexterous Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISDexterous Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISDexterous Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISDexterous Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISDexterous Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISDexterous Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
0
0 0| ( )
1i i ii i
o
nD i i
O B Bf
f
W x R R SO n C C
Rp R p p x i N
p x
Dexterous Workspace Definition
Expression Manipulation
MULTIROBOT SYSTEMS ANALYSIS
iDOB
TB
iDBOB
BiDBO
WpRpxRR
WRpRpxR
pWRpRxR
iii
iii
iii
,
,
,
iDOB
TB WppxRsph
iii ,
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
Workspace
Dexterous Figure
Dexterous Figure definition
Dexterous Workspace from Dexterous Figure
MULTIROBOT SYSTEMS ANALYSIS
iDOBTB
iD
iD WppxRsphWxW
iii ,|ˆ
Ni
DiDD WWW
..1
0ˆ
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
MULTIROBOT SYSTEMS ANALYSISReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
i oR R RW W W
Reachable Space Approximation
Reachable Figure Definition
Reachable Workspace from Reachable Figure
ReachableFigure
Workspace
MULTIROBOT SYSTEMS ANALYSISReachable Figure
0| , i i i i
n T iR R O O B R BW x R x W R x RR p R W p
| i i i i
i n T iR O O B R BW x R R x RR p R W p
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
CONTENTS
Introduction Basic Definitions Multirobot System Analysis
Dexterous Workspace Reachable Workspace
Application to RX-90 robot Dexterous Figure Construction Reachable Figure Construction
Two RX-90 cell Conclusions
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
RX-90 robot
APPLICATION TO RX-90 ROBOT
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
RX-90 Configuration Space section
RX-90 Work Space section1 ctt
1 ctt
APPLICATION TO RX-90 ROBOT
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
RX-90 3D WorkspaceRX-90 selected sections
APPLICATION TO RX-90 ROBOT
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
RX-90 Dexterous Figure Construction Scheme
APPLICATION TO RX-90 ROBOTDexterous Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
Reachable figure for
APPLICATION TO RX-90 ROBOTReachable Figure
mmpiO
50
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
APPLICATION TO RX-90 ROBOTReachable Figure
Reachable figure for mmpiO
2000
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
CONTENTS
Introduction Basic Definitions Multirobot System Analysis
Dexterous Workspace Reachable Workspace
Application to RX-90 robot Dexterous Figure Construction Reachable Figure Construction
Two RX-90 cell Conclusions
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
1
1 0 0 500
0 1 0 0
0 0 1 461
0 0 0 1
mm
Omm
Cell Picture
TWO RX-90 CELL
1
1 0 0 846
0 1 0 1306
0 0 1 0
0 0 0 1
mm
mmB
mmpiO
08.680
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
Reference Robot Workspace and Reachable Figure
TWO RX-90 CELL
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
31 193534m 46 36%
TWO RX-90 CELLReachable Workspace
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
CONTENTS
Introduction Basic Definitions Multirobot System Analysis
Dexterous Workspace Reachable Workspace
Application to RX-90 robot Dexterous Figure Construction Reachable Figure Construction
Two RX-90 cell
Conclusions
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
• A new method to analyze multirobot workspace has been presented. The method is based in computing the intersection of the reference manipulator workspace and the reachable/dexterous figure of the other robots.
• The method has been applied to PUMA like manipulators.
• Further work : Introduction of orientation kinematics.
CONCLUSIONS
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
Robots in the same Position and different Orientation
![Page 44: Workspace Analysis in Multirobot Manipulation International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002 Workspace Analysis in Multirobot Manipulation.](https://reader035.fdocuments.us/reader035/viewer/2022062519/5697bfd71a28abf838caea4c/html5/thumbnails/44.jpg)
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
Orientation Range Analysis
![Page 45: Workspace Analysis in Multirobot Manipulation International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002 Workspace Analysis in Multirobot Manipulation.](https://reader035.fdocuments.us/reader035/viewer/2022062519/5697bfd71a28abf838caea4c/html5/thumbnails/45.jpg)
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International Symposium on Robotics Stockholm, Sweden. Oct 7-11, 2002
Further Works
Orientation Range Analysis through Analytic Methods
Automatic Work Cell Design (Position and Orientation)