AGV Path Control Using Node-Based Motion Sequence Automation
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Solution Overview
Problem
Existing automated guided vehicle (AGV) control systems are limited in setting motion sequences for various AGV types and environments, leading to complexity and potential human error in manually configuring path controls, which can result in malfunctions and line stoppages during part transportation in factory settings.
Innovation Solution
An automated guided vehicle control system that includes a server for displaying a guide line map and setting transport paths based on node selection, using a wireless communication module for AGVs to recognize nodes and receive motion information, and a control module for generating driving forces and controlling the AGV's movement, including emergency stop functions to prevent deviations from the path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual configuration of path controls is used for various AGV types and environments, then the system can handle diverse AGV configurations, but the complexity of setting motion sequences increases and human errors may occur
Solution Approach 1:
The system enables automatic configuration of motion sequences through self-service mechanisms. The server automatically generates and transmits path information and motion sequences to AGVs based on guide line map data, eliminating the need for manual configuration by operators. This automated self-service approach reduces human error while maintaining adaptability across various AGV types and factory environments.
2Ease of operation
If manual setting of motion sequence is performed by operators, then flexibility in configuration is achieved, but the risk of human error and malfunction increases
Solution Approach 1:
The patent replaces the manual mechanical configuration process with an automated information processing system. The server automatically generates path information and motion sequences based on guide line map data, transmitting these digitally to AGVs. This substitution of manual operations with automated computational processes eliminates human error while preserving configuration flexibility through programmable parameters.
3Device complexity
If fixed path specification within predetermined range is used, then path control is simplified, but the ability to adapt to changed factory environments is limited
Solution Approach 1:
The system implements dynamic path specification that can adapt to changed factory environments. The server stores guide line map data representing the factory layout and automatically generates updated path information when environmental changes occur. AGVs receive real-time path information and motion sequences from the server, enabling them to dynamically adjust their routes while maintaining simple control mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system automates the setting of transport paths and motion information for AGVs, reducing human error and enabling efficient part transportation across various AGV types and environments, ensuring timely delivery and minimizing line stoppages by automatically adjusting to changes in the factory layout and operation states.
Implementation Method 1
a wireless communication module transmitting the node ID to the server through the wireless relay and receiving a transport path reset in the server
Implementation Method 2
a driving module generating traveling driving force by operating a motor with power of a battery
Implementation Method 3
a node recognition module recognizing the node identity (ID) by counting a magnet of an S pole installed in the node
Data Source
AI summary
An automated guided vehicle control system includes an automated guided vehicle (AGV) transporting parts by moving along a guide line designed on a floor of a factory; and a server displaying a guide line map of the factory on a screen through an AGV path setting UI, setting a transport path of the AGV depending on selection of a node which is present in the guide line and AGV motion information considering a link direction between neighboring nodes included in the transport path and transmitting the set transport path and motion information to the AGV through a wireless relay.