MODAL SPACE:Do you really need an accurate updated model? What are the effects if it is not perfect?

摘要

Model updating is an important step in the development of an accurate system model. If any of the components of the system are not modeled correctly, then the overall system characteristics will not be accurate. Of course someone has to define what is acceptable and unacceptable in terms of response for the system. But that is a different item to address.