Trailer Detachment Tracking for Multi-Vehicle Asset Transfer

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Solution Overview

Problem

Challenges exist in tracking and managing the transportation of items across multiple vehicles, particularly in scenarios where trailers need to be detached and transferred between vehicles to reach their intended delivery locations.

Innovation Solution

An asset tracking and management system is implemented in vehicles and trailers, utilizing sensors and cameras to detect detachment, communicate location and inventory information, and coordinate with server/cloud computers to assign vehicles for seamless transfer and delivery.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual tracking and coordination of trailer transfers is used, then system complexity is reduced, but tracking accuracy and delivery reliability deteriorate

Engineering Contradiction:
Improvetracking accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system enables automatic detection and reporting of trailer detachment events. Sensors detect when a trailer is detached from a vehicle, and the system automatically generates notifications and updates tracking records without requiring manual intervention, thereby improving tracking accuracy while limiting the increase in system complexity to essential automated components

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system implements real-time feedback mechanisms where status changes (detachment, attachment, location updates) are immediately communicated back to the coordination system. This continuous feedback loop enables accurate tracking of trailer movements across multiple vehicles while maintaining manageable system complexity through structured data exchange protocols

Inventive Principle:
Principle #23Feedback

2Productivity

If automated trailer detachment detection is implemented, then transfer efficiency is improved, but device complexity increases

Engineering Contradiction:
Improvetransfer efficiencyVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The detection system operates autonomously using sensors (such as weight sensors, magnetic sensors, or camera-based systems) that automatically detect trailer detachment events and trigger coordination notifications without human intervention, improving transfer efficiency by eliminating manual checking while keeping device complexity limited to standard sensor and communication components

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system performs preliminary detection and classification of detachment events before initiating coordination actions. By pre-processing sensor data to identify valid detachment events versus false positives, the system improves transfer efficiency through faster response while managing device complexity through algorithmic processing rather than additional hardware

Inventive Principle:
Principle #10Preliminary action

3Reliability

If real-time location tracking is implemented, then delivery reliability is improved, but energy consumption increases

Engineering Contradiction:
Improvedelivery reliabilityVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

Instead of continuous location tracking, the system uses periodic location updates triggered by significant events such as trailer detachment, attachment, or arrival at designated locations. This event-driven periodic updating maintains delivery reliability by capturing critical position changes while dramatically reducing energy consumption compared to continuous GPS tracking

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system implements selective feedback based on event thresholds and operational context. Location and status information are transmitted and processed only when significant changes occur or when coordination actions are required, maintaining reliable tracking of critical delivery moments while minimizing unnecessary energy expenditure from constant communication and processing

Inventive Principle:
Principle #23Feedback

4Loss of time

If manual coordination of multi-vehicle transfers is used, then operation simplicity is maintained, but loss of time increases

Engineering Contradiction:
Improvetransfer timeVSAvoidoperation simplicity
Core Design Contradiction:
Loss of timeVSEase of operation

Solution Approach 1:

The system establishes automated feedback loops that continuously monitor trailer status and location, then provide real-time notifications to appropriate personnel. This automated feedback mechanism reduces transfer time by eliminating manual status checking and coordination delays, while maintaining operational simplicity through clear, structured communication protocols and automated decision-support information

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs preliminary coordination actions by pre-identifying appropriate receiving vehicles and personnel before actual trailer transfers occur. By advance preparing coordination schedules and notifications based on predicted trailer movements, the system reduces transfer time while keeping operations simple through automated scheduling rather than complex manual coordination

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12483868B2Asset tracking and management systems and methods
Publication Date: 2025.11.25 FORD GLOBAL TECH LLC
  • US12483868B2 patent drawing
  • US12483868B2 patent drawing
  • US12483868B2 patent drawing

AI summary

An example asset tracking and management method executed by a processor in a vehicle or a trailer of the vehicle can include detecting a detachment of the trailer from the vehicle at a first geographical location. A message may be sent to a server/cloud computer to inform the server/cloud computer of the detachment of the trailer from the vehicle. The message can include location information for identifying the first geographical location. Inventory information such as, for example, a tracking number and/or a description of an item contained in the trailer may also be sent. The server/cloud computer receives the message and assigns another vehicle to travel to the first geographical location by using the location information and transport the trailer or the item to a second geographical location. The second geographical location can be a destination for delivery of the item.