AGV Load Transport With Dynamic Target Region Assignment
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Solution Overview
Problem
Existing transport systems with autonomous guided vehicles (AGVs) are inflexible and prone to performance loss due to rigid management rules, lacking autonomy to respond to unforeseen events, which can lead to inefficiencies and collisions.
Innovation Solution
A method and system where AGVs acquire and execute transport orders autonomously, verifying target region accessibility and assigning unit loads to vacant storage locations without a predetermined sequence, allowing for flexible decision-making and response to unplanned events, such as collisions, by using an electronic control system that manages multiple source and target regions with waiting locations in a travel area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If AGVs are centrally managed with rigid rules, then coordination is simplified, but flexibility to respond to unforeseen events is reduced
Solution Approach 1:
The patent divides the transport system into autonomous guided vehicles that operate independently with their own decision-making capabilities, rather than being part of a centralized control system. Each AGV segments the overall transport task and executes it autonomously, resolving the contradiction by reducing coordination complexity at the system level while maintaining individual vehicle flexibility.
Solution Approach 2:
The AGVs are equipped with autonomous decision-making capabilities that allow them to self-manage their transport tasks without continuous central coordination. The vehicles can independently verify target region accessibility, assign unit loads to vacant storage locations, and respond to unforeseen events, thereby achieving both simplified coordination and high adaptability.
2Stability of the object's composition
If AGVs follow predetermined sequences, then transport order is maintained, but response time to unplanned events increases
Solution Approach 1:
The patent implements dynamic adaptability where AGVs can adjust their transport sequences based on real-time conditions. The autonomous vehicles verify target region accessibility and respond to unforeseen events by modifying their predetermined sequences, achieving both sequence stability for normal operations and rapid response capability when unexpected situations arise.
3Adaptability or versatility
If multiple AGVs operate autonomously without predetermined sequences, then flexibility is improved, but coordination complexity increases
Solution Approach 1:
The patent employs feedback mechanisms where autonomous AGVs communicate their status and verify target region accessibility before executing transport tasks. This feedback loop allows multiple vehicles to operate autonomously with flexibility while maintaining coordination through real-time information exchange, preventing conflicts and reducing overall system complexity.
Data Source
AI summary
A method and a transport system transports unit loads from a source position to a target region by autonomous guided vehicles. In this process, a unit load is transported in accordance with a transport order from a source position to a waiting location by a guided vehicle, which waiting location is assigned to the target region in accordance with the order. If the target region is free from another guided vehicle, the unit load is deposited at one of the storage locations of the target region. Here, an assignment of a unit load to a vacant storage location is derived from the arrival of the autonomous guided vehicles in the target region.