Forklift Work Assignment Rules for Real-Time Freight Routing
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Solution Overview
Problem
Current systems and methods for managing forklift operations in freight handling are inefficient, requiring excessive travel, consuming substantial computer resources, and failing to provide real-time tracking and accurate next-best action instructions, leading to increased operational time and fuel consumption.
Innovation Solution
A computer-implemented method and system using a series of weighted rules to determine next work assignments for forklifts, incorporating real-time location tracking and condition-based decision-making to optimize freight movement and minimize travel without freight, utilizing RTLS technologies like UWB, Bluetooth, and RFID for precise location determination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If current systems provide instructions to forklift operators, then freight movement coordination is achieved, but processing time is excessive and computer memory consumption is substantial
Solution Approach 1:
The system segments the decision-making process into discrete, pre-defined rules that evaluate specific conditions independently. Each rule represents a modular decision unit that can be quickly evaluated, replacing the monolithic complex processing approach. This segmentation allows the system to determine the next best action through a series of quick, discrete rule evaluations rather than comprehensive complex calculations.
Solution Approach 2:
The system changes the operational parameters by implementing real-time location tracking and dynamic rule evaluation based on current system state. Instead of static pre-planned routes, the system continuously updates forklift assignments based on real-time parameters such as forklift location, freight position, trailer status, and dock availability, enabling rapid adaptation without extensive reprocessing.
2Productivity
If current systems coordinate forklift movements, then freight loading/unloading is managed, but excessive travel without freight occurs on forklift blades
Solution Approach 1:
The system performs preliminary actions by proactively assigning the next work assignment to the forklift before the current assignment is completed. The system evaluates potential next assignments based on real-time conditions and prepares the optimal sequence of operations, ensuring that when the forklift finishes its current task, it is already positioned or assigned to minimize empty travel distance to the next freight location.
Solution Approach 2:
The system implements continuous feedback loops where real-time location data from RTLS, forklift status information, and freight positions are constantly monitored. This feedback enables the system to dynamically adjust forklift assignments and optimize routes, reducing empty travel by redirecting forklifts to the nearest available freight or dock based on real-time conditions rather than static pre-planned routes.
3Loss of information
If current systems track freight operations, then freight movement is monitored, but real-time tracking accuracy is insufficient
Solution Approach 1:
The system introduces RTLS (Real-Time Location System) technology as an intermediary layer between physical freight/forklift objects and the control system. RTLS tags attached to forklifts and freight, along with infrastructure readers, provide accurate real-time location information without requiring complex direct sensing between all system components. This intermediary layer simplifies the overall system architecture while enabling precise tracking.
Data Source
AI summary
Disclosed are methods and systems for determining a next work assignment for an object transport vehicle in a freight handling system. The method includes defining a series of rules. The method include receiving a request for a next work assignment using an object transport vehicle. The method includes sending the next work assignment to an object transport vehicle to load freight. The method may include identifying an order of work assignments. The method includes determining a status of the destination trailer. The method includes determining whether a shipment comprises of one piece or more than one piece. The method includes sending an instruction to load a piece of freight. The method includes verifying one or more rules for determining a new work assignment. The method includes receiving information with a new work assignment. The method includes sending the new work assignment for the object transport vehicle.