基於ROS2.0的AGV棧板對接導航系統設計

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林文韬(Wen-Tao Lin) 查詢紙本館藏

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資訊工程學系

論文名稱

基於ROS2.0的AGV棧板對接導航系統設計
(A ROS2.0-based AGV pallet docking area navigation system design)

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至系統瀏覽論文 (2028-1-12以後開放)

摘要(中)

AGV是倉儲系統中是不可或缺的角色，但AGV的主流引導模式：有軌引導，和更爲先進的引導模式：無軌引導，皆存在諸多缺點。隨著“工業4.0”時代的來臨，智慧倉儲中AGV的引導模式也開始由有軌引導向無軌引導過渡。為銜接兩種引導模式，且解決新舊兩種引導模式的不足，本研究以MIAT方法論為設計基礎，提出了基於ROS2.0的AGV棧板對接位導航系統，此系統結合了SLAM製圖定位、深度學習物件辨識、及二維碼定位演算法，以獲取棧板的精確位置，並將AGV導航至棧板對接位。本系統將兩種引導模式優勢結合互補，提供穩定且高效的引導效率。通過實驗，本系統在簡單場景中能夠達到94%的成功率，複雜場景中導航也能展現出成功率84%的優異表現，證明本系統能夠很好的完成AGV棧板對接位導航這項任務。本研究提出的系統在工作環境條件允許的情況下，可以很好的完成棧板對接位導航這項任務，同時擁有較强的靈活度及優異的成功率。

摘要(英)

AGV is an important role in the intelligent warehousing, but there are many shortcomings in the mainstream guidance mode of AGV: visual track guidance, and the state-of-the-art guidance mode: trackless guidance. With the advent of the "Industry 4.0" era, the guidance mode of AGV in intelligent warehousing has also begun to transition from track guidance to trackless guidance. In order to connect the two guidance modes and solve the shortcomings of the old and new guidance modes, this study uses MIAT methodology is the basis of the design, and a ROS2.0-based AGV pallet docking navigation system is proposed. This system combines SLAM mapping positioning, deep learning object recognition, and two-dimensional code positioning algorithms to obtain the precise position of the pallet, and Navigate the AGV to the pallet docking position.This system combines the advantages of the two guiding modes and complements each other to provide stable and efficient guiding efficiency. Through experiments, this system can achieve a success rate of 94% in simple scenes, and the navigation in complex scenes can also show an excellent performance with a success rate of 84%, which proves that this system can well complete the task of navigating the docking position of AGV pallets .The system proposed in this study is capable of navigating the docking position of pallets when the working environment conditions permit, and has strong flexibility and excellent success rate.

關鍵字(中)

★ 機器人操作系統
★ 無人搬運車
★ 視覺導航
★ MIAT方法論
★ 同時定位和建圖

關鍵字(英)

★ ROS2
★ AGV
★ visual navigation
★ MIAT methodology
★ SLAM

論文目次

目錄
摘要 I
Abstract II
誌謝 III
目錄 V
圖目錄 VIII
表目錄 X
第一章、緒論 1
1.1研究背景 1
1.2研究動機 3
1.3研究目標 3
1.4論文架構 4
第二章、棧板辨識定位及導航技術回顧 5
2.1 SLAM 5
2.1.1 Lidar SLAM 5
2.1.2 Visual SLAM 9
2.1.3 基於SLAM的路徑規劃 10
2.1.4 Lidar與相機互補避障 10
2.2基於基準標記的tag偵測及位姿估測演算法 11
2.2.1 Apriltag detector 12
2.2.2 單應性變換求解位姿 13
2.3棧板辨識 15
2.3.1 基於點雲的棧板辨識 15
2.3.2 基於視覺的棧板辨識 16
2.3.3 基於YOLACT演算法的棧板辨識 17
2.4 ROS2機器人操作系統 17
第三章、結合棧板辨識的AGV導航系統設計 19
3.1結合棧板辨識的導航系統設計 19
3.2 SLAM子系統 22
3.3棧板辨識引導控制子系統 24
3.3.1 定位計算設計 26
3.4插孔中心定位子系統 28
3.5棧板插孔引導控制子系統 29
第四章、系統驗證與實驗 32
4.1實驗環境 32
4.1.1 視覺感測器模組 32
4.1.2 镭射测距感測器模組 33
4.1.3 軟體開發工具及模擬環境建置軟體 34
4.1.4 實驗模擬環境 36
4.2系統功能模塊驗證 38
4.2.1 SLAM子系統功能驗證 38
4.2.2 插孔中心定位子系統功能驗證 40
4.2.3 棧板插孔引導控制子系統功能驗證 42
4.3系統模擬 44
4.3.1 Navigation車體控制 45
4.3.2 棧板辨識車體控制 46
4.3.3 棧板中心辨識車體控制 49
4.3.4 實驗總結 50
第五章、結論與未來展望 52
5.1結論 52
5.2未來展望 53
參考文獻 54
附錄 58

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指導教授

陳慶瀚(Ching-Han Chen)

審核日期

2023-1-17

推文