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How Neural Networks Are Changing the Way Warehouses Pick Orders

If you’ve ever watched a warehouse in full swing, you know picking is not just about grabbing boxes off shelves. It is a constant flow of movement, timing, and precision. Workers move through crowded aisles, handle bulky items, and work against tight deadlines where every second counts. Yet many warehouse systems still treat picking as […]

If you’ve ever watched a warehouse in full swing, you know picking is not just about grabbing boxes off shelves. It is a constant flow of movement, timing, and precision. Workers move through crowded aisles, handle bulky items, and work against tight deadlines where every second counts. Yet many warehouse systems still treat picking as nothing more than simple averages.

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The reality is far more complicated. One worker may fly through an order made up of small, lightweight items stored at waist height. Another may spend several minutes handling one oversized carton pulled from the top rack. Add congestion during busy shifts or fatigue late in the day, and those clean averages quickly fall apart.

That is where neural networks come in.

How neural networks work in the warehouse

Neural networks learn from real warehouse data instead of relying on fixed rules or averages. They take in many types of inputs, such as item size and weight, storage location, order size, worker experience, equipment used, and even time of day or peak shift congestion.

By studying how these factors affect real pick times, the system learns patterns that traditional software often misses. Over time, it gets better at predicting how long a task will actually take, rather than guessing based on averages. This gives managers clearer insight into labor planning, workload balance, and service commitments.

 

Smarter time estimates for real-world conditions

Picture a warehouse manager planning labor for a late-afternoon rush. There are 500 orders waiting, and trucks arrive at 5 p.m. A traditional system might estimate time based on past averages.

Ben Smeland

But neural networks look deeper. They factor in whether today’s orders include more heavy items, whether those items are in hard-to-reach areas, and whether congestion typically builds during that time window. The system may even recognize that after long stretches of continuous picking, workers naturally slow down.

Instead of giving a rough estimate, it predicts how long today’s work is likely to take based on real conditions. This helps managers balance workloads more fairly, catch delays earlier, and give customers more reliable delivery promises.

Finding faster, more realistic pick paths

Time estimation is only half the battle. The other major challenge is travel optimization, figuring out the best path through the warehouse. In theory, it is a version of the classic “shortest path” problem. In reality, warehouses are messy. Aisles clog, equipment moves unpredictably, and workers make judgment calls on the fly.

Traditional optimization software tries to crunch these puzzles with heavy algorithms, which can be extremely useful, but neural networks offer a clever alternative that can be even better. By training on historical picker data, collected from scanners, voice systems, or even wearable trackers, the model learns the real patterns of movement in your warehouse. It starts to understand that workers tend to avoid a certain aisle during peak hours because of congestion, or that zig-zagging across zones wastes more time than it saves.

Instead of calculating the “perfect” route from scratch, the neural network generates a suggestion based on what’s worked before: a path that is efficient, realistic, and quick to compute. Think of it as mimicking your best pickers’ instincts, but making those instincts instantly available to the whole team.

For example, following a traditional sequence path might miss the benefit of just stepping into an aisle to grab something near the end, avoiding the entire length. Instead of conventional Z picking, dynamically choosing the next pick could alternate from Z picking to ladder picking or even up one side and down the other to exit the same end you started at. A single column might make 1 aisle a hint slower than any other, and, over time, the system will learn that. Of course, known safety constraints would also have to be considered so that the suggested paths are not just optimized but still safe for all.

Learning in real time

One of the biggest advantages of neural networks is that they continue to learn. Each shift, each season, and each order adds to the system’s understanding of how work really gets done.

For managers, this means tighter labor planning and fewer surprises. For workers, it means less backtracking and more realistic performance expectations. For customers, it means steadier fulfillment and fewer missed delivery windows.

Warehouses will always be complex. Neural networks do not remove that complexity, but they make it easier to manage. By turning daily warehouse data into usable insight, these systems help operations stay on pace as demand continues to rise.

Ben Smeland is a Senior Software Developer with Lucas Systems.

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