Abstract
We have studied the cooperative manipulation of floating object by several space robots. For these cooperative motions, we have reported that a tracking control method using the transpose of the generalized Jacobian matrix (GJM) can be utilized for robots with joint torque controllers. For cooperative motions by some robots with joint velocity controllers, we proposed a tracking control method using the transpose of the GJM. Simulation results show the effectiveness of the proposed control method.
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- r 0 :
-
position vector of the center of mass of the object
- p int :
-
position vector of the point of interest on the object
- p T :
-
position vector of the target of the point of interest
- ω 0 :
-
angular velocity vector of the center of mass of the object
- ω int :
-
angular velocity vector of the point of interest
- i h :
-
number of link or joint i of robot h
- p h i :
-
position vector of joint i h
- r h i :
-
position vector of the center of mass of link i h
- k h i :
-
unit vector indicating the joint axis direction of joint i h
- r g :
-
position vector of the center of mass of the system
- r h g :
-
position vector of the center of mass of robot h
- ϕ h i :
-
relative angle of joint i h
- m 0 :
-
mass of the object
- m h i :
-
mass of link i h
- I 0 :
-
inertia tensor of the object
- I h i :
-
inertia tensor of link i h
- E :
-
identity matrix
- Σ I :
-
inertial coordinate frame
- Σint :
-
point of interest of the coordinate frame
- Σ T :
-
target coordinate frame
- I A*:
-
rotation matrix from Σ* (* = int, T) to Σ I
- \( \{ \cdot \sim \} \) :
-
the tilde operator stands for a cross product such that \( \tilde r \) a = r × a
References
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Sagara S, Taira Y (2007) Digital tracking control of space robots using the transpose of the generalized Jacobian matrix. Artif Life Robotics 11:82–86
Sagara S, Taira Y (2008) Cooperative manipulation of a floating object by some space robots: application of a tracking control method using the transpose of the GJM. Artif Life Robotics 12:138–141
Sagara S, Taira Y (2008) Digital control of space robot manipulators with a velocity-type joint controller using the transpose of the generalized Jacobian matrix. Artif Life Robotics 13:355–358
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This work was presented in part at the 14th International Symposium on Artificial Life and Robotics, Oita, Japan, February 5–7, 2009
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Sagara, S., Taira, Y. Cooperative manipulation of a floating object by some space robots with joint velocity controllers: application of a tracking control method using the transpose of the generalized Jacobian matrix. Artif Life Robotics 14, 392–396 (2009). https://doi.org/10.1007/s10015-009-0693-y
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DOI: https://doi.org/10.1007/s10015-009-0693-y