Cart Towing and Elevator Navigation Using OMRON LD-250

Industry > Food·DrinkIndustry > Etc.Application > LogisticsSector > Logistics

This solution implements cart towing and cross-floor transport using OMRON's LD-250.

The OMRON LD-250 is an Autonomous Mobile Robot (AMR) that maps its environment and navigates along optimal paths, adapting to real-time changes on-site. While the LD-250 has a direct payload of 250kg, it can move even heavier loads when configured for towing. Its ability to interface with elevators allows for a much broader scope of automated cart transport across multiple floors of a building.

Components

Robot	Robot OMRON LD-250: Max Payload: 250kg; Size: L963 x W718 x H383 mm; Weight: 148kg; Max Speed: 1.2m/s; Max Rotation Speed: 120°/s; Max Slope: < 1:12; Stop Accuracy: ±100mm; Running/Charging: 13/4 hr; Operating Temp: 5~40°C; Battery Life: 2,000 cycles; Rating: IP 20

Workflow

STEP 1.	Robot job inquiry is generated by the ACS and transmitted to the EM via communication.
STEP 2.	Robot job allocation, path planning, and flow control are continuously managed by the EM.
STEP 3.	LD-250 receives the operational signal.
STEP 4.	Moves to the cart loading/hitching location.
STEP 5.	Hitches the cart securely.
STEP 6.	Interfaces with the elevator system.
STEP 7.	Moves between floors via the elevator.
STEP 8.	Drops off the cart at the designated location.
STEP 9.	Re-interfaces with the elevator system.
STEP 10.	Takes the elevator to the next destination or base.
STEP 11.	Repeats the previous steps.

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Key Features

Robots replacing humans in strenuous and hazardous delivery tasks

Saves time by having robots handle material transport instead of people.
Enhances safety by removing humans from high-risk tasks and preventing injuries.
Capable of continuously transporting heavy loads up to 250kg (or more via towing) without fatigue.

A solution adaptable to diverse environments

Compact design allows the robot to navigate even in tight spaces.
Managed by a fleet control system to ensure robots drive along optimal paths.
Front-facing sensors enable automatic avoidance when people approach.
Battery management system ensures zero interruptions in production.
Infrastructure-free autonomous driving allows for easy changes to routes and multi-floor destinations without auxiliary devices.

Logistics with increased productivity and reduced delivery errors

Decreases delivery errors by transporting goods to precise locations only.
Enables continuous, tireless production around the clock.

Implementation Results

Key Metrics	Increased productivity and reduced delivery errors. Prevention of safety accidents and savings in transport time. Cost savings through the reduction of manual labor input.
Client Feedback	Thanks to the efficient fleet management system and elevator integration, we can move carts between floors much more conveniently