Smart Warehouses Boost Their IQ - Inbound Logistics
Warehousing, Warehouse Management Systems (WMS), Technology Implementing IoT, AI, drones, and other intelligent digital solutions in your warehouse is a brilliant move.More to the Story:Heads-UpWarehouse Technologies to Bear in MindRFID in the Warehouse: A No-BrainerWarehouses keep growing smarter, and much of that IQ boost comes from technologies that interact with warehouse management systems (WMS). All on its own, a WMS can bring a warehouse operation a game-changing level of intelligence. Today, though, companies are using solutions based on the Internet of Things (IoT), artificial intelligence (AI), robotics, and other digital technologies to extend the advantages of a WMS even further.Here's a look at some of the best and brightest digital developments in warehouse management.Think Twice About RobotsRobots in the warehouse take many forms, including traditional automated storage and retrieval systems (ASRS)—fixed systems that perform a specific task, such as piece picking, in one spot—and autonomous systems that move from place to place. OPEX Warehouse Automation combines intelligent mobile robots with ASRS technology in two warehouse solutions: the Perfect Pick goods-to-person picking system and the Sure Sort solution for sorting small items.Both systems can exchange data with any WMS through an application programming interface (API). And both incorporate OPEX's iBOT, a multidirectional vehicle with wireless communications that transports product from place to place.Perfect Pick, a high-density racking system, uses iBOTs to move product both horizontally and vertically."iBOT robots navigate along an integrated track system, retrieving, storing, and sorting inventory items quickly and accurately to or from an array of order and storage locations," says Monty McVaugh, engineering project manager at OPEX.Sure Sort provides high-speed, automated sorting. "The Sure Sort iBOT picks up and loads individual products, or 'eaches,' that are placed on an infeed conveyor, which is inducted by a human or robotic automated system," says McVaugh. "The product is then sorted and assigned to the appropriate bin. It then repeats this operation."Robots are common in warehouses these days, and one facility might use several different systems for different functions. Unfortunately, each robotic system has its own proprietary software for communicating with the WMS, and connecting several systems at once could cause conflicts.Kenco hopes to solve that problem. It is working with SVT Robotics, which has built a middleware platform that takes input from all the different types of robots, connects to the WMS one time, and optimizes the parsing of work to the different robots.Developers at Blue Yonder hope to build a similar capability into the company's own WMS. The current working name for this feature is "task orchestration," says Matthew Butler, director of industry strategy at Blue Yonder. "It allows us to use cloud computing power to understand the relationships between warehouse tasks, whether they're performed by a robot or by humans."Analyzing all the work the warehouse needs to accomplish, the resources available, and deadlines for filling various orders on time and in full, the technology would assign tasks to resources as effectively as possible.Blue Yonder's system would also pull in data from robots as they went about their work on the warehouse floor. "That way, we can more holistically orchestrate, knowing their availability and the inventory that they have, which orders should be allocated to one zone or another, one robotics provider or another, with the objective of accuracy and speed," Butler says.AI Provides Brain PowerAs IoT sensors give WMS solutions more data to work with, AI gives them greater analytic power. "Many WMS vendors have been trying to add more AI decision-making algorithms in their software," says Jeremy Tancredi of West Monroe Partners.For example, AI could bring more subtle reasoning to decisions about where to place product. WMS solutions have traditionally looked for slots that fit the size of various pallets, and also tried to group similar pallets—putting together all the canned soups, for instance. But AI might recognize ordering patterns that should influence put-away processes."Every time soup is ordered, for example, crackers are ordered as well," says Tancredi. An AI system might also recognize the need to group marshmallows near hot chocolate during the winter, but near graham crackers and chocolate bars during the summer, he says.As IoT sensors can detect the need for maintenance on mechanical systems, AI can use data from those sensors to predict problems before they occur."The AI starts to recognize patterns, such as, 'What did that shuttle look like right before it broke down?'" says Tancredi. By prompting crews to perform preventive maintenance, predictive analytics could help avoid shutdowns.In warehouses that use robots, AI transforms those systems from machines that passively take direction from the WMS to smart systems that adjust their work based on real-time conditions."For example, their sensors identify other robots in the same pick area," Tancredi says. "So they resequence their order and travel in a different manner to avoid those areas of high congestion."As a robot optimizes the picking process, it sends information about the revised route back to the WMS.Drones Do a Head CountRFID readers and other IoT sensors on drones are starting to appear in the warehouse. RFID-reading drones can possibly be used for cycle counting."You may miss some product if you do manual cycle counts," notes Jeremy Tancredi of West Monroe Partners. "But if you send a drone through the warehouse, it will pick up the RFID frequency and find that pallet that you thought you lost weeks ago."In its Innovation Lab, a 10,000-square-foot test facility in Chattanooga, Tennessee, third-party logistics (3PL) provider Kenco has been investigating the use of drones for cycle counting. Working with a drone development startup, Kenco plans to start pilots of the system in several of its own facilities by late 2020."Using machine learning, AI, and IoT in combination with Wi-Fi technologies, drones are becoming quite powerful," says Kristi Montgomery of Kenco. The newest systems can find their own way around a warehouse, eliminating the need to install location markers. These drones also incorporate cameras that can read both barcodes and alphanumeric characters.All the drones can recognize a pallet, but some will soon go even further. "Several startup companies are working to be able to count how many cases are on that pallet and understand what product is on the pallet," Montgomery says. In the near future, their drones will also be able to detect and account for a second pallet stored behind a first, she adds.In addition, Kenco's partner in its pilot program is developing a drone that can change its own battery by dropping the spent battery into a charging dock and picking up a fresh one.
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