My mother just got her new car. After driving a problematic Renault for many years, she decided to go for a Toyota Yaris. That’s an excellent choice for her needs. Despite Toyota’s recent recalls, it continues to deliver the best quality at the best price. The choice of the Toyota also gives me a good opportunity to eventually write about an essential core of my research: The Toyota Production System—the mother of all XPSs.
It has become extremely popular for companies in any business to pursue the principles of lean production, Six Sigma, TQM, TPM etc. A new development in recent years is that multinational companies develop global and group-wide systems for process improvement based on all these concepts: The XPS. Then, what are the top XPS/lean principles in use?