CASE: Controllability Analysis

Before  ever implementing new control system or process: 

Study, document and develop the existing production process and supporting systems.

Controllability of a production system is defined by its capability to achieve the objectives set to it. Therefore,
production systems itself defines their limit of performance. The only way to change these limits is
by altering the system itself, not by accelerating the phases of work or through better management.

Controllability analysis drills down to the general ideas of efficient operations management:

• Relentless and continuous reduction of production lead times (time-based competition)
• Comparison between factories and processes, ie. learning from others (benchmarking)
• Improving interactions with suppliers (networking)
• Efficient implementation of the planned changes (change management)

To summarize, "Controllability Engineering” aims to improve the overall efficiency of the
production system based on proven past performance.

Similar approaches to Controllability Analysis are Supply Chain Audit and Demand/Supply Network Assessment in the context of the overall supply chain ecosystem.