Robust design is a methodology used in product development that focuses on creating products that perform consistently under varying conditions. This approach aims to minimize the effects of variability in manufacturing and usage, ensuring that the product remains reliable and effective. By considering potential sources of variation early in the design process, engineers can create solutions that are less sensitive to changes. The concept of robust design was popularized by Genichi Taguchi, a Japanese engineer and statistician. His techniques emphasize the importance of quality control and statistical methods in design, helping teams to identify and eliminate factors that could lead to product failure or inconsistency.