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http://dx.doi.org/10.5391/JKIIS.2017.27.2.170

A Algorithm-Based Practical Path Planning Considering the Actual Dynamic Behavioural Constraint in Unmanned Underwater Vehicles  

Lee, Jaejun (Department of Electronic Engineering, Inha University)
Moon, Ji Hyun (Department of Electronic Engineering, Inha University)
Lee, Ho Jae (Department of Electronic Engineering, Inha University)
Kim, Moon Hwan (Maritime R&D Center, LIG Nex1)
Park, Ho Gyu (Maritime R&D Center, LIG Nex1)
Kim, Tae Yeong (Maritime R&D Center, LIG Nex1)
Publication Information
Journal of the Korean Institute of Intelligent Systems / v.27, no.2, 2017 , pp. 170-178 More about this Journal
Abstract
This paper proposes an improved path-planning technique based on the $A^*$ algorithm. The conventional $A^*$ algorithm only considers the optimality of the planned path and sometimes produces a path that an unmanned underwater vehicle (UUV) cannot navigate due to its dynamic constraint such as the limit of the radius of gyration. It is because that the previous method evaluate the moving cost based on the straight distance between nodes. We enhance the conventional method by evaluating the moving cost on the basis of the practically navigable trajectory, which is generated by the waypoint-tracking control of the UUV dynamics. The simulation examples indeed show the effectiveness of the proposed technique.
Keywords
Unmanned underwater vehicle (UUV); global path planning; $A^*$ algorithm; dynamics;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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