By: Scott Wojciak
Efficiency and accuracy are critical in intralogistics and material handling in today’s fast-paced and dynamic manufacturing environments. Autonomous Mobile Robots (AMRs) have the power to transform material handling via flexible, efficient operation, enhanced accuracy and low operating costs.
This blog will cover key benefits, compare AMR material handling to Automated Guided Vehicles (AGV) and conveyors and discuss deployment considerations.
What are Autonomous Mobile Robots (AMRs) and How Do They Work?
AMRs are self-driving, self-navigating material handling vehicles capable of making real-time decisions in complex material handling operations found in manufacturing and warehousing environments.
AMRs rely on sensors, cameras, machine learning/artificial intelligence and sophisticated software to generate their path through a facility and avoid collisions. They do not require pre-programming of a mapped navigational path or track networks. Rather, they create their own course using sensors, cameras and machine learning/AI to determine the safest and fastest route and move around obstacles, making them flexible and adaptable to facility conditions.
By implementing these mobile robots for manufacturing logistics, businesses can optimize productivity, manage material handling tasks more effectively, and reduce bottlenecks.
It should be noted that AMRs differ from AGVs, although both are successfully used to transport materials. AGVs follow fixed routes along tracks constructed from magnetic tape or wire and have minimal on-board intelligence. AGVs do not navigate around obstacles, but instead stop until the obstacle is removed. AGVs are typically programmed to perform the same delivery tasks throughout their service life.
AGV vs. AMR vs. Conveyor Material Handling
AGVs, AMRs, and conveyors are all reliable material handling solutions, and each has advantages and disadvantages that make them more or less suitable for an application. The table below compares and contrasts the differences so you can decide which is the best fit for your operation.
Characteristic | AGV | AMR | Conveyor |
Technology | Robot that moves on a predetermined path of magnetic tape or wires. Limited on-board intelligence. Requires programming. | Self-driven robot that uses sensors, cameras and machine learning/AI and sophisticated software for intelligent navigation and safety. Plug-and-play implementation, intuitive programming. | Mechanical, fixed-in-place system for automated material handling. Typically requires integration with other automation systems. |
Flexibility | Programmed to perform the same task for the duration of its service life. Travels on a fixed path. Changing paths requires construction. | Do not require a mapped navigational path, so easily adapt to changes in dynamic production/warehousing environments. | Stationary system that is not easily adaptable to changing production/warehousing environments. Typically a dedicated line. |
Safety | Automatically stops when an obstacle is encountered. | Use sensors, cameras and AI to detect and avoid collisions without stopping. | Hazards such as pinch points require guarding. |
Efficiency/Performance | Stopping for obstacles can cause delays and bottlenecks. | Slower than conveyors but more efficient than AGVs. | Fastest option in high-volume, continuous flow applications. |
Best For | Large, fixed applications with consistent material handling requirements. | Dynamic production/warehousing with variable flows and mixed human/robot environments. | Assembly lines, long-distance, high-volume material handling. |
Key Benefits of Manufacturing and Warehouse AMR Automation
The advantages of managing manufacturing and warehouse intralogistics with AMR solutions include efficiency, flexibility and accuracy, which result in a fast return on investment (ROI).
Efficiency: The ability to self-navigate in changing environments to find the shortest path without interruptions makes AMRs more efficient than manual labor, AGVs, and conveyors.
Flexibility: Adaptability to variable production and warehouse flows without the need for infrastructure changes makes AMR material handling a great solution for dynamic manufacturing environments.
Accuracy: On-board sensors, cameras, and intelligence enable AMRs to quickly and precisely manage material handling tasks with high accuracy and few errors.
Quick Deployment: Thanks to plug-and-play technology, AMRs can be quickly deployed or reprogrammed for different tasks. AMRs can also be scaled up easily to meet growing demand.
Safety: Removing human workers from hazardous environments and heavy lifting tasks decreases the risk of workplace injuries, while the ability to avoid collisions through the use of sensors, cameras, and intelligence makes AMRs a safe mobile robot for manufacturing logistics.
Fast ROI: Despite the initial expense, the increase in productivity and reduction in errors achieved without costly construction, installation, and programming expenses provides a quick ROI.
Considerations When Implementing Intralogistics AMR Solutions
While AMR material handling provides worthwhile benefits and deployment is simple due to the plug-and-play functionality, there are some things to keep in mind, including:
Safety Risk Assessment: While AMRs have onboard intelligence that allows them to avoid collisions, a thorough risk assessment must be conducted to identify hazards and develop strategies for mitigation.
Compliance: Like other robotic and automated systems, AMRs must comply with relevant workplace safety regulations.
Emergency Stop Systems: There must be a way for operators to quickly stop AMR operation if there is an emergency. Ensure that the emergency stop mechanism is easily accessible and visible.
Secure Communication: Secure communication protocols are needed to prevent unauthorized access to the robot’s control system.
Operator Training: Comprehensive training on safe interaction with and operation of AMRs is essential to ensure safety and knowledge of emergency procedures. Maintenance technicians will need training to learn how to troubleshoot common performance issues, perform inspections and maintain proper working condition.
AMR material handling solutions provide a flexible, cost-effective way for manufacturers and warehousers to increase material handling efficiency and adapt to variable flows and dynamic production requirements. The experts at HTE Technologies, a Tavaron company, can help guide you in your selection and implementation of a manufacturing or warehouse AMR automation system.
