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    Reachable volume RRT

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    Type
    Conference Paper
    Authors
    McMahon, Troy
    Thomas, Shawna
    Amato, Nancy M.
    KAUST Grant Number
    KUS-C1-016-04
    Date
    2015-05
    Permanent link to this record
    http://hdl.handle.net/10754/599452
    
    Metadata
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    Abstract
    © 2015 IEEE. Reachable volumes are a new technique that allows one to efficiently restrict sampling to feasible/reachable regions of the planning space even for high degree of freedom and highly constrained problems. However, they have so far only been applied to graph-based sampling-based planners. In this paper we develop the methodology to apply reachable volumes to tree-based planners such as Rapidly-Exploring Random Trees (RRTs). In particular, we propose a reachable volume RRT called RVRRT that can solve high degree of freedom problems and problems with constraints. To do so, we develop a reachable volume stepping function, a reachable volume expand function, and a distance metric based on these operations. We also present a reachable volume local planner to ensure that local paths satisfy constraints for methods such as PRMs. We show experimentally that RVRRTs can solve constrained problems with as many as 64 degrees of freedom and unconstrained problems with as many as 134 degrees of freedom. RVRRTs can solve problems more efficiently than existing methods, requiring fewer nodes and collision detection calls. We also show that it is capable of solving difficult problems that existing methods cannot.
    Citation
    McMahon T, Thomas S, Amato NM (2015) Reachable volume RRT. 2015 IEEE International Conference on Robotics and Automation (ICRA). Available: http://dx.doi.org/10.1109/ICRA.2015.7139607.
    Sponsors
    This research supported in part by NSF awards CNS-0551685, CCF0702765, CCF-0833199, CCF-1439145, CCF-1423111, CCF-0830753, IIS-0916053, IIS-0917266, EFRI-1240483, RI-1217991, by NIH NCI R25CA090301-11, by DOE awards DE-AC02-06CH11357, DE-NA0002376,B575363, by Samsung, IBM, Intel, and by Award KUS-C1-016-04, madeby King Abdullah University of Science and Technology (KAUST). Thisresearch used resources of the National Energy Research Scientific Com-puting Center, which is supported by the Office of Science of the U.S.Department of Energy under Contract No. DE-AC02-05CH11231. ParasolLab., Dept. of Comp. Sci. and Eng., Texas A&M Univ., College Station,Texas, USA.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    2015 IEEE International Conference on Robotics and Automation (ICRA)
    DOI
    10.1109/ICRA.2015.7139607
    ae974a485f413a2113503eed53cd6c53
    10.1109/ICRA.2015.7139607
    Scopus Count
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