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Izboljšanje navigacijskega sistema mobilnega robota s pomočjo referenčnih oznak
ID Zupanc, Matija (Author), ID Vrabič, Rok (Mentor) More about this mentor... This link opens in a new window

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Abstract
Navigacija je ključni del mobilne robotike. Lahko jo razdelimo na lokalizacijo oz. iskanje položaja ter načrtovanje poti in premikanje po prostoru. Za navigacijo je razvitih že mnogo algoritmov, ki služijo vsak določenim potrebam. Kljub temu se še vedno srečujemo z izzivi. Včasih si želimo natančnejše lokalizacije, kar je včasih težko zagotoviti ali pa se pojavi težava, kot je problem ugrabljenega robota. O tem govorimo, ko robot popolnoma izgubi svojo lokacijo. Razlog se lahko skriva v neoptimiziranih ali nenatančnih algoritmih, senzorjih ali zemljevidu. Za rešitev teh težav se pojavljajo novi pristopi, ki skrbijo, da do teh težav redkeje prihaja. Eden izmed takih pristopov bo uporabljen tudi v zaključnem delu, in sicer s pomočjo programske knjižnice, ki nam omogoča zaznavo referenčnih oznak. Preko njih lahko pridemo do transformacij in jih uporabimo pri lokalizaciji robota. V delu je bilo ugotovljeno, da nam takšen sistem le malenkost izboljša navigacijo, spremembe pa se najbolj opazijo pri problemu, kadar je robot popolnoma izgubljen v prostoru.

Language:Slovenian
Keywords:mobilni roboti, navigacija, ROS, Turtlebot2, AprilTag
Work type:Final paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[M. Zupanc]
Year:2023
Number of pages:XIV, 26 str.
PID:20.500.12556/RUL-148743 This link opens in a new window
UDC:007.52:004.93:004.45(043.2)
COBISS.SI-ID:163580163 This link opens in a new window
Publication date in RUL:31.08.2023
Views:1268
Downloads:47
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Secondary language

Language:English
Title:Enhancing mobile robot navigation using fiducial markers
Abstract:
Navigation is a crucial part of mobile robotics. It can be divided into localization or position finding, path planning and movement through space. Many algorithms have already been developed for navigation, each serving specific needs. Nevertheless, we still encounter challenges. Sometimes, we desire more precise localization, which can be difficult to provide, or an issue like a kidnapped robot arises. This refers to the situation when the robot completely loses its location. The reason could lie in unoptimized or inaccurate algorithms, sensors, or maps. New approaches are emerging to address these problems, resulting in less frequent occurrences of such issues. One of such approaches will also be used in the final thesis, using a software library that enables the detection of fiducial markers. Through these markers, we can obtain transformations and use them for robot localization. The study found that such a system only slightly improves navigation, with the most significant changes observed in situations where the robot is completely lost in space.

Keywords:mobile robots, navigation, ROS, Turtlebot2, AprilTag

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