Wiktionary
model-based design
n. (context electronics communication electronics signal processing English), (context mathematics English), (context software testing English) A mathematical and visual method of addressing problems associated with designing complex control, signal processing and communication systems.
Wikipedia
Model-based design
'''Model-Based Design ''' (MBD) is a mathematical and visual method of addressing problems associated with designing complex control, signal processing and communication systems. It is used in many motion control, industrial equipment, aerospace, and automotive applications. Model-based design is a methodology applied in designing embedded software.