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Integrated task planning and control for mobile manipulators
Tan JD(谈金东); Xi N(席宁); Wang YC(王越超)
Source PublicationInternational Journal of Robotics Research
Indexed BySCI ; EI
EI Accession number2003257508229
WOS IDWOS:000183368900004
Contribution Rank3
KeywordMobile Manipulation Coordination Force/position Control Manipulation Of Moving Objects With Nonholonomic Constraints
AbstractIn this paper we present an approach to decoupled force/position control of the end-effector along the same direction for redundant robots and an approach to nonholonomic cart pushing with mobile manipulators. The mobile manipulator is considered as a redundant robot, and a unified dynamic model for an integrated mobile platform and on-board manipulator is developed. The dynamic model is decoupled and linearized using the nonlinear feedback technique in a unified frame. Combining the event-based planning and control method with singularity analysis of the robot arm, a task level action controller is designed and an online kinematic redundancy resolution scheme is developed. The system is stable during normal operation as well as at the occurrence of unexpected obstacles. In addition, explicit force/position control along the same task direction for redundant robots is proposed. The kinematic redundancy of mobile manipulators enables independent control of force and position along the same task directions. To verify the decoupled force/position scheme, an integrated task planning and control approach is further proposed for the mobile manipulator to complete complicated tasks by regulating its output force. A cart pushing task, which requires. both force and position control along the same task direction, is discussed. The cart manipulation task fully integrates trajectory and force planning of the cart, and planning and control of the mobile manipulators. The approaches have been tested on a mobile manipulator consisting of a Nomadic XR4000 and a Puma 560 robot arm. The experimental results demonstrate the efficacy of the approach for the mobile manipulation of a nonholonomic cart.
WOS HeadingsScience & Technology ; Technology
WOS SubjectRobotics
WOS Research AreaRobotics
Citation statistics
Cited Times:78[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Department of Electrical Engineering, Michigan Technological University, Houghton, MI 49931, United States
2.Department of Electrical Engineering, Michigan State University, East Lansing, MI 48824, United States
3.Shenyang Institute of Automation, Chinese Academy of Science, Shenyang, China
Recommended Citation
GB/T 7714
Tan JD,Xi N,Wang YC. Integrated task planning and control for mobile manipulators[J]. International Journal of Robotics Research,2003,22(5):337-354.
APA Tan JD,Xi N,&Wang YC.(2003).Integrated task planning and control for mobile manipulators.International Journal of Robotics Research,22(5),337-354.
MLA Tan JD,et al."Integrated task planning and control for mobile manipulators".International Journal of Robotics Research 22.5(2003):337-354.
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