Two-Level Edge-Based Hazard Alert System for Logistics
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Solution Overview
Problem
Logistics operations in environments like warehouses are challenging due to the complexity of coordinating multiple mobile and stationary objects, leading to potential accidents and communication delays, which existing systems struggle to manage effectively.
Innovation Solution
A multi-stage logistics system equipped with sensors and processors at both edge nodes and a central node, allowing for real-time data processing and trajectory prediction to generate alerts and prevent collisions by tracking and predicting the positions of mobile and stationary objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple mobile devices operate simultaneously in a warehouse environment, then logistics operations can be performed, but coordination difficulty and accident risk increase
Solution Approach 1:
The patent introduces a central node as an intermediary that coordinates communication between multiple mobile devices. The central node receives position data from all devices, performs collision risk assessments, and sends alert signals back to relevant devices, thereby simplifying the coordination complexity while enabling multiple devices to operate simultaneously.
Solution Approach 2:
The system implements continuous feedback loops where mobile devices transmit position data to the central node, which then provides real-time collision risk alerts back to the devices. This feedback mechanism enables dynamic coordination and accident prevention while maintaining high operational throughput.
2Reliability
If safety operations are performed to prevent accidents, then accident risk is reduced, but communication delays and overhead increase
Solution Approach 1:
The system performs preliminary collision risk assessments by continuously predicting future positions of mobile devices based on their current motion trajectories. By proactively identifying potential collision risks before they materialize, the system ensures safety while minimizing reactive communication delays.
Solution Approach 2:
The patent replaces complex real-time mechanical coordination between devices with an information-based system. The central node processes position data and sends alert signals, substituting direct device-to-device coordination with a more efficient information processing approach that reduces communication overhead and delays.
3Measurement precision
If real-time position tracking is implemented for all objects, then collision detection capability is improved, but system complexity and computational overhead increase
Solution Approach 1:
The system segments the complex tracking task by having each mobile device independently track its own position and transmit it to the central node. The central node then focuses on computing collision risks based on received data from multiple devices. This segmentation distributes computational complexity and enables accurate position tracking without overwhelming system complexity.
Data Source
AI summary
A logistics system for generating hazard alerts. Nodes in an environment generate position data. Local alerts are generated based on the node's position data and recent position data concerning other nodes. The position data is sent to a central node, which receives position data from the other nodes. The central node can generate a second level alert and send the alert to at least the affected nodes in the environment.