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Published: Wednesday, June 23, 2021 - 11:03 First published June 7, 2021, on MIT News. It’s no secret that a manufacturer’s ability to maintain and, ideally, increase production capability is the basis for long-run competitive success. But discovering a way to significantly increase production without buying a single piece of new equipment—that may strike you as a bit more surprising. Global beer manufacturer Heineken is the second-largest brewer in the world. Founded in 1864, the company owns more than 160 breweries in more than 70 countries and sells more than 8.5 million barrels of its beer brands in the United States alone. In addition to its sustained earnings, the company has demonstrated significant social and environmental responsibility, making it a globally admired brand. Now, thanks to a pair of MIT Sloan Executive Education alumni, the firm has applied data-driven developments and AI augmentation to its operations, helping it solve a considerable production bottleneck that unleashed hidden capacity in the form of millions of cases of beer at its plant in Mexico. Federico Crespo, CEO of fast-growing industrial tech company Valiot.io, and Miguel Aguilera, supply chain digital transformation and innovation manager at Heineken México, first met at the MIT Sloan Executive Education program Implementing Industry 4.0: Leading Change in Manufacturing and Operations. During this short course led by John Carrier, senior lecturer in the System Dynamics Group at MIT Sloan, Crespo and Aguilera acquired the tools they needed to spark a significant improvement process at Mexico’s largest brewery. Ultimately, they would use Valiot.io’s AI-powered technology to optimize the scheduling process in the presence of unpredictable events, drastically increasing the brewery throughput and improving worker experience. But it all started with a proper diagnosis of the problem using Little’s Law. Often referred to as the First Law of Operations, Little’s Law is named for John D. C. Little, a professor post-tenure at MIT Sloan and an MIT Institute Professor Emeritus. Little proved that the three most important properties of any system—throughput, lead time, and work-in-process—must obey the following simple relationship: Little’s Law is particularly useful for detecting and quantifying the presence of bottlenecks and lost throughput in any system. And it is one of the key frameworks taught in Carrier’s Implementing Industry 4.0 course. Crespo and Aguilera applied Little’s Law and worked backward through the entire production process, examining cycle times to assess wait times and identify the biggest bottlenecks in the brewery. Specifically, they discovered a significant bottleneck at the filtration stage. As beer moved from maturation and filtration to bright beer tanks (BBT), it was often held up waiting to be routed to the bottling and canning lines, due to various upsets and interruptions throughout the facility as well as real-time demand-based production updates. This would typically initiate a manual, time-intensive rescheduling process. Operators had to track down handwritten production logs to figure out the current state of the bottling lines and inventory the supply by manually entering the information into a set of spreadsheets stored on a local computer. Each time a line was down, a couple hours were lost. With the deficiency identified, the facility quickly took action to solve it. Once bottlenecks have been identified, the next logical step is to remove them. However, this can be particularly challenging, as persistent bottlenecks change the way the people work within the system, becoming part of worker identity and the reward system. “Culture can act to reject any technological advance, no matter how beneficial this technology may be to the overall system,” says Carrier. “But culture can also provide a powerful mechanism for change and serve as a problem-solving device.” The best approach to introducing a new technology, advises Carrier, is to find early projects that reduce human struggle, which inevitably leads to overall improvements in productivity, reliability, and safety. Working with Federico and his team at Valiot.io, and with full support of Sergio Rodriguez, vice president of manufacturing at Heineken México, Aguilera and the Monterrey brewery team began connecting the enterprise resource plan and in-floor sensors to digitize the brewing process. Valiot’s data monitors ensured a complete data quality interaction with the application. Fed by real-time data, machine learning was applied for filtering and the BBT process to optimize the daily-optimized production schedule. As a result, BBT and filtration time were reduced in each cycle. Brewing capacity also increased significantly per month. The return on the investment was clear within the first month of implementation. The migration to digital has enabled Heineken México to have a real-time visualization of the bottling lines and filtering conditions in each batch. With AI constantly monitoring and learning from ongoing production, the technology automatically optimizes efficiency every step of the way. And, using the real-time visualization tools, human operators in the factory can now make adjustments on the fly without slowing down or stopping production. On top of that, the operators can do their jobs from home effectively, which has had significant benefits given the Covid-19 pandemic. The Valiot team was required to be present on the floor with the operators to decode what they were doing, and the algorithm had to be constantly tested against performance. According to Sergio Rodriguez Garza, vice president of supply chain for Heineken México, success was ultimately based on the fact that Valiot’s approach was impacting the profit and loss, not simply counting the number of use cases implemented. “The people who make the algorithms do not always know where the value in the facility is,” says Garza. “For this reason, it is important to create a bridge between the areas in charge of digitization and the areas in charge of the process. This process is not yet systematic; each plant has a different bottleneck, and each needs its own diagnosis. However, the process of diagnosis is systematic, and each plant manager is responsible for his or her own plant’s diagnosis of the bottleneck.” “A unique diagnosis is the key, and a quality diagnosis is based on a fundamental understanding of systems thinking,” adds Carrier. Reprinted with permission of MIT News. Quality Digest does not charge readers for its content. We believe that industry news is important for you to do your job, and Quality Digest supports businesses of all types. However, someone has to pay for this content. And that’s where advertising comes in. Most people consider ads a nuisance, but they do serve a useful function besides allowing media companies to stay afloat. They keep you aware of new products and services relevant to your industry. All ads in Quality Digest apply directly to products and services that most of our readers need. You won’t see automobile or health supplement ads. So please consider turning off your ad blocker for our site. Thanks, The MIT News is the Massachusetts Institute of Technology’s (MIT) central hub for news about MIT research, initiatives, and events. It reports MIT news directly and works with journalists around the world to help showcase the achievements of its students, faculty, and staff.Unleashing Capacity at Heineken México With Systems Thinking
How a pair of MIT business program grads translated teachings from a Sloan Executive Education course to operations improvements at Mexico’s largest brewery
Thanks to data-driven developments and AI augmentation gleaned from an MIT Sloan Executive Education course, Heineken México solved a significant production bottleneck that unleashed hidden capacity and improved worker experience.Little’s Law, big payoffs
Little’s law formula says work-in-progress is equal to throughput multiplied by lead time.Bottlenecks introduce habits, which evolve into culture
Heineken México’s digital transformation
The key practical aspects
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