Developing a TRIZ-Lean Methodology in Portuguese Navy Complex Systems

To maximize safety and the useful life of the equipment while reducing costs, new philosophies and tools must be used to replace the old maintenance habits. A TRIZ-Lean approach, applied to maintenance management, promises to reduce non-value activities maintenance and minimize energy and resource consumption by giving innovative solutions. This paper aims to develop a methodology that uses TRIZ and Lean tools to implement a new maintenance management solution in complex naval systems. The equipment studied in this work was the central air system on naval ships. This system is responsible for pressuring atmospheric air, allowing many ship functions to be performed. In conclusion, the TRIZ-Lean methodology developed showed the potential to improve efficiency, reduce waste, and increase productivity, allowing an easy understanding of the influence of the parameters in the value chain of the Portuguese Navy’s ship system.