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Open AccessArticle

HCTNav: A Path Planning Algorithm for Low-Cost Autonomous Robot Navigation in Indoor Environments

Human Computer Technology Laboratory, EPS, Universidad Autónoma de Madrid. Francisco Tomás y Valiente 11, E-28049 Madrid, Spain
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ISPRS Int. J. Geo-Inf. 2013, 2(3), 729-748; https://doi.org/10.3390/ijgi2030729
Received: 25 June 2013 / Revised: 29 July 2013 / Accepted: 31 July 2013 / Published: 9 August 2013
(This article belongs to the Special Issue Indoor Positioning and Indoor Navigation)
Low-cost robots are characterized by low computational resources and limited energy supply. Path planning algorithms aim to find the optimal path between two points so the robot consumes as little energy as possible. However, these algorithms were not developed considering computational limitations (i.e., processing and memory capacity). This paper presents the HCTNav path-planning algorithm (HCTLab research group’s navigation algorithm). This algorithm was designed to be run in low-cost robots for indoor navigation. The results of the comparison between HCTNav and the Dijkstra’s algorithms show that HCTNav’s memory peak is nine times lower than Dijkstra’s in maps with more than 150,000 cells. View Full-Text
Keywords: low-cost indoor navigation; path planning algorithm; autonomous robot low-cost indoor navigation; path planning algorithm; autonomous robot
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MDPI and ACS Style

Pala, M.; Eraghi, N.O.; López-Colino, F.; Sanchez, A.; De Castro, A.; Garrido, J. HCTNav: A Path Planning Algorithm for Low-Cost Autonomous Robot Navigation in Indoor Environments. ISPRS Int. J. Geo-Inf. 2013, 2, 729-748. https://doi.org/10.3390/ijgi2030729

AMA Style

Pala M, Eraghi NO, López-Colino F, Sanchez A, De Castro A, Garrido J. HCTNav: A Path Planning Algorithm for Low-Cost Autonomous Robot Navigation in Indoor Environments. ISPRS International Journal of Geo-Information. 2013; 2(3):729-748. https://doi.org/10.3390/ijgi2030729

Chicago/Turabian Style

Pala, Marco; Eraghi, Nafiseh O.; López-Colino, Fernando; Sanchez, Alberto; De Castro, Angel; Garrido, Javier. 2013. "HCTNav: A Path Planning Algorithm for Low-Cost Autonomous Robot Navigation in Indoor Environments" ISPRS Int. J. Geo-Inf. 2, no. 3: 729-748. https://doi.org/10.3390/ijgi2030729

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