Before revision: Systems with energy storage cannot respond instantaneously and will exhibit transient responses when they are subjected to inputs or disturbances.Modern Control Engineering (5th Edition), Katsuhiko Ogata Definition The time required for the response curve to reach and stay within a range of certain percentage (usually 5%DIF < or 2%) of the final value.
After revision: Systems with energy storage cannot respond instantaneously and will exhibit transient responses when they are subjected to inputs or disturbances.Modern Control Engineering (5th Edition), Katsuhiko Ogata Definition Tay, Mareels and Moore (1998) defined settling time as "the time required for the response curve to reach and stay within a range of certain percentage (usually 5%DIF < or 2%) of the final value.