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Automation vs. Optimization: Robotics & Software Trends in Warehousing

In warehousing, process enhancement can be categorized into two primary strategies: (1) Automation, which in this article will refer to the use of physical machinery and robots, and (2) Optimization, which involves leveraging software solutions.

Both play a big role in modern warehousing, but the decision to implement one, the other, or a combination of both depends on the unique needs of the operation.

Automation tends to reduce manual labor and improve speed, while optimization fine-tunes processes and makes them more efficient. Each has its strengths and limitations, and the right choice often involves a balance of both.

From the perspective of a logistics provider, building up knowledge and expertise in both automation and optimization is essential. It’s important that logistic providers can give answers to questions like “When should automation or optimization be implemented?” and “Which processes benefit most from each?” which are key to delivering efficient solutions.

 

Automation: Robotics

Automation in warehousing involves deploying physical machines that replace or assist humans in tasks like picking, packing or inventory management. The following are popular examples of automation solutions in warehousing:

  1. AutoStore (AS/RS) uses a grid-based system where storage bins are stacked vertically, and robots move across the top of the grid to retrieve or store items. The robots retrieve bins and deliver them to workstations where human workers or other automated systems can pick items for orders.
  2. Automated Packing Systems automatically sort, fill, seal, and label items, speeding up the packing process and ensuring accuracy.
  3. Stock-counting Drones perform inventory checks by scanning high racks in warehouses, providing real-time, accurate stock data.
  4. Collaborative Picking Robots assist human pickers by providing real-time instructions on where to pick items. The human picks, scans, and places the item into the robot, which then transports it to packing stations.

automation

Pros & Cons of Automation

Pros:

  • Efficiency: increases efficiency across multiple fronts, and speeds up repetitive tasks.
  • 24/7 Operations: work continuously without fatigue, improving overall throughput.
  • Reduced Labor: decreases reliance on manual labor
  • Improved Accuracy: reduction in human error in various tasks (e.g. order picking, inventory management, and packing)
  • Faster Order Processing: acceleration of workflows, leading to faster order fulfillment and shorter lead times. Especially beneficial during peak demand periods.
  • Consistent Performance: consistent speed and quality, ensuring that tasks are performed to the same standard every time.

 

Cons:

  • Initial Investment: substantial upfront costs, both in terms of the robots themselves and the necessary infrastructure. This investment is typically only justifiable for large-scale operations handling very high volumes.
  • Limited Flexibility: designed for specific product sizes and workflows, which may not suit warehouses with a wide variety of SKUs or frequently changing inventories.
  • Adaptability Issues: for businesses with diverse or constantly evolving inventories, robots may lack the flexibility needed to keep up, requiring human oversight or hybrid solutions.
  • Drastic change: significant re-adjustments in workflows

 

Optimization: Software

Software-based optimization enhances human labor rather than replaces it, using data analytics and artificial intelligence (AI) to guide workflows & improve decision-making.

In the context of modern warehousing, by software optimization, we are referring to microservices—modular software solutions designed to integrate with existing systems like Warehouse Management Systems (WMS), Order Management Systems (OMS), and Enterprise Resource Planning (ERP) systems.

These add-ons extend and enhance the functionality of the core systems without requiring a complete overhaul, offering a flexible and scalable way to optimize operations.     

 

Pros & Cons of Optimization

Pros:

  • Immediate ROI: delivers fast results, offering a swift return on investment without long wait times.
  • Minimal Disruption: fewer changes to existing workflows, avoiding the drastic adjustments needed for automation.
  • Quick Implementation: software add-ons can be deployed faster than hardware automation and show immediate efficiency improvements.
  • Cost-Effective: require significantly less capital expenditure, making them more accessible for small to medium-sized businesses.
  • Flexible and Scalable: allows for plug-and-play functionality, making it easy to scale or adjust systems without major investments.
  • Handling Complex Processes: In scenarios where hardware automation isn't feasible (e.g., financial constraints or high variety of SKU sizes), software add-ons optimize processes, providing human-in-the-loop guidance.

Cons:

  • Reliance on Manual Labor: Manual labor is still required, limiting the extent of automation.
  • Integration: Requires a WMS, OMS, or an ERP system to integrate with.
  • Data Accuracy Dependency: Software solutions rely on accurate data input.

 

Automation vs. Optimization: Not an Either/Or Decision

The choice between automation and optimization is not an either/or decision. In fact, they often can complement each other. Businesses can benefit from combining both, depending on their specific needs. For example:

  • Example 1: A logistics provider might use mobile dimensioning to gather accurate product data, which is then used by a system such as AutoStore for more efficient storage and retrieval.
  • Example 2: Small SKUs can be handled by AutoStore, while larger items can be managed through manual operations, enhanced by picking and slotting optimization software.

 

Customization and Personalization of Solutions

A considerable factor in deciding between automation and optimization is the ability to customize and personalize solutions for specific workflows. For operations with clearly defined, unchanging processes, automation can be a strong fit, offering consistency and efficiency. However, in dynamic environments where workflows frequently change, manual intervention and flexibility are often required, making optimization a more suitable option.

 

Customizing Automation

  • Predefined Capabilities: built to handle specific product sizes, weights, and processes, which limit their effectiveness in diverse or evolving operations.
  • Inflexible Workflows: follows standardized workflows, making it difficult to adjust when operations require changes, such as new inventory locations or types.
  • Scalability Challenges: Expanding robotic systems, and adding more cranes, grids, or shuttles, require additional costs.

 

Customizing Software

  • Flexible and Tailored: easily adjusted to fit the specific needs of a warehouse, accommodating changes in workflows, diverse SKUs, and dynamic inventory management without the physical constraints of hardware.
  • Scalable: scale up or down quickly and cost-effectively, adapting to business growth or shifting operational demands without requiring major infrastructure changes.

Bottom Line

In warehousing, automation and optimization aren't mutually exclusive; they complement each other. Automation increases efficiency and reduces manual labor, while software optimization enhances workflows and adapts to changing needs. By combining both, businesses can strike a balance, maximizing productivity and flexibility based on their specific operational demands. The key is understanding when to automate, when to optimize, and how to integrate both for long-term success.

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