AGV Position Alignment for Stable Article Lifting and Transport
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Solution Overview
Problem
Automated Guided Vehicles (AGVs) face inefficiencies in transporting large quantities of articles, leading to unbalanced loads, damage, and reduced customer satisfaction due to the need for precise positioning and alignment, which is currently lacking in existing AGV systems.
Innovation Solution
The method involves determining an offset distance between the AGV and the target article, adjusting the AGV's position in a circumferential movement if the offset is within specific thresholds, and moving away if the offset is beyond a certain distance to prevent collision, ensuring stable transport and reducing damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If the AGV moves along a pre-planned guide path to transport articles, then the transportation process is simplified and automated, but the positioning precision between the AGV and target article is insufficient, leading to unbalanced loads and potential damage
Solution Approach 1:
The system performs preliminary positioning actions before the main transportation task. The AGV first moves to a bottom surface of the target article, detects the offset distance between its critical position and the article's critical position, and adjusts its position accordingly before lifting and transporting the article. This preliminary positioning ensures accurate alignment and balanced load distribution.
Solution Approach 2:
The system implements feedback control by detecting the offset distance between the AGV's critical position and the target article's critical position, then using this information to adjust the AGV's position. The controller continuously monitors the positioning status and makes real-time adjustments to achieve precise alignment, ensuring accurate and stable transportation.
2Speed
If the AGV directly lifts and transports articles without position adjustment, then the transportation speed is increased, but unbalanced loads occur causing article damage and reduced reliability
Solution Approach 1:
The system performs preliminary positioning actions before the main transportation task. The AGV first moves to a bottom surface of the target article, detects the offset distance between its critical position and the article's critical position, and adjusts its position accordingly before lifting and transporting the article. This preliminary positioning ensures accurate alignment and balanced load distribution.
Solution Approach 2:
The system takes preliminary actions to prevent potential problems before they occur. By detecting and correcting position offsets before lifting the article, the system prevents unbalanced loads and potential article damage that would otherwise occur during transportation, ensuring reliable and safe operation.
3Manufacturing precision
If the AGV performs precise position adjustment before transporting each article, then positioning accuracy is improved, but the transportation efficiency and productivity are reduced
Solution Approach 1:
The system applies partial position adjustment based on the detected offset distance. For small offsets within a first threshold range, the AGV performs minor position corrections. For larger offsets beyond a second threshold, the AGV moves away from the bottom surface and performs more significant repositioning. This differentiated approach optimizes the balance between positioning accuracy and transportation efficiency.
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 2C~3
AI summary
Provided are an article transportation method and apparatus, and a terminal and a computer-readable storage medium. The method comprises: controlling an automated guided vehicle (AGV) to move to the bottom of a target article, wherein the target article is an article to be moved; determining the offset distance between the key position of the AGV and the key position of the target article; controlling the AGV to adjust the position based on the offset distance until the central position of the AGV corresponds to the central position of the target article; and controlling the AGV to lift, at the current position, the target article and move same. Before the target article is moved, the offset distance between the key position of the AGV and the key position of the target article can be determined, and the position of the AGV is adjusted based on the offset distance, so as to make the central position of the AGV correspond to the central position of the target article, and thereby reducing the probability of the target article falling off of the AGV when the AGV moves the target article subsequently, and also avoiding scratches caused by unbalance loading.