Define the system, the voice of the customer and their requirements, and the project goals, specifically.
Measure key aspects of the current process and collect relevant data; calculate the 'as-is' Process Capability.
Analyze the data to investigate and verify cause-and-effect relationships.
Improve or optimize the current process based upon data analysis. Set up pilot runs to establish process capability.
Control the future state process to ensure that any deviations from the target are corrected before they result in defects.