Wireless Cargo Loading Verification at Transport Vehicle Access Ports
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Solution Overview
Problem
Existing systems fail to effectively monitor and prevent incorrect cargo loading incidents during the process of loading assets onto transport vehicles, leading to potential discrepancies and errors.
Innovation Solution
A system comprising wireless tracking tags and monitoring devices with unique identifiers, which communicate to verify cargo against a manifest, generating alerts for discrepancies, and utilizing ADS-B signals for location estimation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If wireless tracking tags and monitoring devices are deployed to monitor cargo loading, then cargo loading accuracy is improved, but device complexity increases
Solution Approach 1:
The system is divided into separate functional components: wireless tracking tags attached to individual cargo items, wireless monitoring devices positioned at loading points, and a centralized server. Each component has specific functions (tracking, monitoring, data processing) that are independently optimized and then integrated through wireless communication protocols.
Solution Approach 2:
Wireless communication signals serve as the intermediary medium between tracking tags and monitoring devices, and between monitoring devices and the server. This allows data to be transmitted without direct physical connection, reducing the mechanical complexity of the system while maintaining real-time monitoring capabilities.
2Reliability
If real-time monitoring of cargo loading is implemented, then error detection capability is improved, but loss of time increases
Solution Approach 1:
The monitoring system operates continuously during the cargo loading process without interruption. Wireless monitoring devices continuously scan for tracking tags, and the server continuously processes incoming data, ensuring that any discrepancies are detected immediately as they occur rather than after the loading is complete.
Solution Approach 2:
The system provides immediate feedback when tracking identifiers from monitoring devices do not match the manifest. The server compares real-time tracking data against the expected manifest and generates alerts instantly when discrepancies are detected, allowing for immediate correction before the loading process concludes.
3Measurement precision
If comprehensive tracking of all cargo items is performed, then cargo accuracy is improved, but use of energy increases
Solution Approach 1:
Instead of continuous high-power transmission, the system uses periodic low-power wireless signals. Tracking tags transmit their identifier at scheduled intervals when they pass near monitoring devices, and monitoring devices periodically scan for tags in their detection range. This periodic communication maintains accurate tracking while significantly reducing overall energy consumption compared to continuous monitoring.
Data Source
AI summary
Systems and methods monitor loading of cargo onto a transport vehicle to avoid incorrect cargo loading incidents. A wireless monitoring device positioned near an access port of a cargo hold of the transport vehicle receives a tracking identifier of a wireless tracking tag attached to a logistic container containing the cargo as the logistic container is conveyed into the cargo hold. An alert is generated by the wireless monitoring device when the tracking identifier is not listed in a manifest listing identifiers of wireless tracking tags attached to logistic containers expected to be loaded into the cargo hold. Within the cargo hold, the wireless tracking tags may also exchange their tracking identifiers such that any one of the wireless tracking tags may determine, by counting, when less than a target threshold number of wireless tracking tags are present.