Mobile Robot Package Routing Without Conveyor Sortation
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Solution Overview
Problem
Conveyor belts in package delivery systems are prone to malfunctions, unsuitable for irregularly shaped or oversized packages, require maintenance, and increase system complexity and cost when sortation is added, limiting their reliability and flexibility.
Innovation Solution
A system utilizing mobile robots with a central controller that determines package locations and paths, navigates, loads, and unloads packages through enclosed passageways, including service robots for maintenance and diagnostics, to enhance delivery efficiency and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conveyor belts are used for package delivery, then packages can be transported efficiently, but the system becomes complex and costly when sortation is added
Solution Approach 1:
The system divides the delivery network into autonomous mobile robot units that operate independently rather than as a single integrated conveyor system. Each robot is a self-contained module with its own propulsion, navigation, and package handling capabilities, eliminating the need for complex centralized sortation infrastructure.
Solution Approach 2:
Mobile robots autonomously navigate, locate packages, and deliver themselves without requiring external control infrastructure. The robots use onboard sensors and processors to make decisions independently, eliminating the need for complex centralized control systems and sortation mechanisms.
2Productivity
If conveyor belts are used for package delivery, then packages can be transported continuously, but they are unsuitable for irregularly shaped or oversized packages
Solution Approach 1:
The mobile robots possess dynamic适应能力 through programmable navigation and adaptive package handling mechanisms. Unlike rigid conveyor belts, the robots can adjust their behavior and physical configuration to accommodate various package shapes, sizes, and types while maintaining continuous delivery operations.
Solution Approach 2:
Each mobile robot is designed as a universal platform capable of handling diverse package types through programmable control and adaptable grippers. The same robot can transport everything from small regular packages to large irregular items by adjusting its navigation and handling parameters, eliminating the need for specialized conveyor systems for different package types.
3Speed
If conveyor belts are used for package delivery, then packages can be moved quickly, but the system requires ongoing maintenance
Solution Approach 1:
The system replaces a single large conveyor system with multiple independent mobile robot units. If one robot experiences mechanical issues, the others continue operating independently, eliminating the single point of failure problem inherent in centralized conveyor systems and maintaining overall system reliability and speed.
Solution Approach 2:
The mobile robots incorporate self-diagnostics and self-maintenance capabilities, allowing them to detect and report issues before they cause failures. This proactive approach maintains high reliability while preserving the fast transport speeds that conveyor systems are known for.
4Adaptability or versatility
If conveyor belts with sortation are implemented, then package routing capability is improved, but system cost increases
Solution Approach 1:
The system replaces complex mechanical sortation infrastructure with software-based navigation and routing algorithms executed by mobile robots. The digital routing logic provides equivalent or superior package routing capability compared to physical sortation systems while dramatically reducing infrastructure costs and complexity.
Data Source
AI summary
Systems and methods for delivering packages using mobile robots. In some examples, a system includes a central controller configured for fulfilling package delivery orders. The system includes package delivery robots. Each package delivery robot is configured for navigating to a location of a package in the warehouse and loading the package onto the package delivery robot. Each package delivery robot is configured for navigating to a package destination by travelling on a path through one or more enclosed passageways and unloading the package at the package destination.