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Zapata > Case Studies > Optimizing Automotive Manufacturing with Industrial Generative AI
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Optimizing Automotive Manufacturing with Industrial Generative AI

Technology Category
  • Functional Applications - Manufacturing Execution Systems (MES)
Applicable Industries
  • Automotive
Use Cases
  • Additive Manufacturing
  • Manufacturing Process Simulation
The Challenge

Global manufacturers like BMW face a complex optimization problem: scheduling their workers to achieve production targets while minimizing idle hours. The challenge lies in the wide range of possible configurations and numerous constraints. Different shops have varying production rates, and each has their own discrete set of shift schedules. Furthermore, manufacturers need to prevent overflows and shortages in the buffers between steps in the manufacturing process. The complexity of the problem is further compounded by the need to optimize across multiple variables and constraints, making it a difficult task to solve using traditional methods.

About The Customer

The customer in this case study is BMW Group, a global manufacturer of automobiles and motorcycles. BMW faces the challenge of optimizing their manufacturing plant scheduling to meet production targets while minimizing idle time. This involves a complex set of variables and constraints, including different production rates across shops, discrete shift schedules, and the need to prevent overflows and shortages in the buffers between manufacturing steps. The company is a member of MIT’s The Center for Quantum Engineering (CQE), where it collaborates with other members to apply advanced technologies like generative AI to solve complex problems.

The Solution

Zapata and BMW Group, as part of their membership in MIT’s The Center for Quantum Engineering (CQE), collaborated to apply generative AI techniques to BMW’s plant scheduling optimization problem. They trained a quantum-inspired generative model on the best solutions generated by existing state-of-the-art solvers. This generative model then generated new, previously unconsidered solutions. This approach is called Generator-Enhanced Optimization (GEO). Using Zapata's computational workflow platform, Orquestra®, they ran about one million optimization runs cycling through dozens of different categories of algorithms, problem configurations and optimizer solutions to benchmark their performance against each other. They identified the best algorithm to solve each problem configuration, whether it was GEO or a conventional solver. GEO performed particularly well in configurations with large spaces of possible solutions, outperforming all other solvers in the configuration with the largest solution space.

Operational Impact
  • The application of the Generator-Enhanced Optimization (GEO) approach led to significant improvements in BMW's plant scheduling optimization. By generating new, previously unconsidered solutions, GEO was able to provide a wider range of potential configurations for BMW to consider. This not only improved the efficiency of the scheduling process but also allowed for greater flexibility in managing production rates and shift schedules. Furthermore, the use of Zapata's computational workflow platform, Orquestra®, enabled a comprehensive benchmarking process, allowing BMW to identify the best algorithm for each problem configuration. This has resulted in a more robust and effective optimization process.

Quantitative Benefit
  • GEO tied or outperformed other state-of-the-art solvers in 71% of problem configurations.

  • GEO outperformed all other solvers in the configuration with the largest solution space.

  • Approximately one million optimization runs were conducted to benchmark performance.

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