This paper presents a general algorithm for solving the dynamic of tree structure robots with rigid and flexible links, active and passive joints, and with a fixed or floating base. The algorithm encompasses in a unified approach both the inverse and direct dynamics. It addresses also the hybrid case where each active joint is considered with known joint torque as in the direct dynamic case, or with known joint acceleration as in the inverse dynamic case. To achieve this goal, we propose an efficient recursive approach based on the generalized Newton–Euler equations of flexible tree-structure systems. This new general hybrid algorithm is easy to program either numerically or using efficient customized symbolic techniques. It is of great interest for studying floating base systems with soft appendages as those currently investigated in soft bio-inspired robotics or when a robotic system has to modify its structure for some particular tasks, such as transforming an active joint into a compliant flexible one, or modifying a task with a floating base into one with fixed base.
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June 2017
Research-Article
General Dynamic Algorithm for Floating Base Tree Structure Robots With Flexible Joints and Links Available to Purchase
Wisama Khalil,
Wisama Khalil
Professor
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole Centrale de Nantes (ECN),
Nantes 44321, France
e-mail: [email protected]
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole Centrale de Nantes (ECN),
Nantes 44321, France
e-mail: [email protected]
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Frederic Boyer,
Frederic Boyer
Professor
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole des Mines de Nantes (EMN),
Nantes 44300, France
e-mail: [email protected]
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole des Mines de Nantes (EMN),
Nantes 44300, France
e-mail: [email protected]
Search for other works by this author on:
Ferhat Morsli
Ferhat Morsli
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole des Mines de Nantes (EMN),
Nantes 44300, France
e-mail: [email protected]
de Nantes (IRCCyN),
Ecole des Mines de Nantes (EMN),
Nantes 44300, France
e-mail: [email protected]
Search for other works by this author on:
Wisama Khalil
Professor
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole Centrale de Nantes (ECN),
Nantes 44321, France
e-mail: [email protected]
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole Centrale de Nantes (ECN),
Nantes 44321, France
e-mail: [email protected]
Frederic Boyer
Professor
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole des Mines de Nantes (EMN),
Nantes 44300, France
e-mail: [email protected]
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole des Mines de Nantes (EMN),
Nantes 44300, France
e-mail: [email protected]
Ferhat Morsli
Institut de Recherche en Cybernétique
de Nantes (IRCCyN),
Ecole des Mines de Nantes (EMN),
Nantes 44300, France
e-mail: [email protected]
de Nantes (IRCCyN),
Ecole des Mines de Nantes (EMN),
Nantes 44300, France
e-mail: [email protected]
Manuscript received April 5, 2016; final manuscript received December 25, 2016; published online March 20, 2017. Assoc. Editor: Marc Gouttefarde.
J. Mechanisms Robotics. Jun 2017, 9(3): 031003 (13 pages)
Published Online: March 20, 2017
Article history
Received:
April 5, 2016
Revised:
December 25, 2016
Citation
Khalil, W., Boyer, F., and Morsli, F. (March 20, 2017). "General Dynamic Algorithm for Floating Base Tree Structure Robots With Flexible Joints and Links." ASME. J. Mechanisms Robotics. June 2017; 9(3): 031003. https://doi.org/10.1115/1.4035798
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