The quality improvement process involves planning, organizing and monitoring. This process can, of course, be represented by a flowchart. The way it looks and is done may vary depending on organizational procedures and resources. The objective is the same: to identify problems in processes, thereby preventing compromises in quality in the products or services delivered to customers. It is easier to continue to do things as they always have been done than to scrutinize processes.
Details can be found in " Fundamentals of project Sustainability"