otРRise timeР, peak timeР, settling TimeРis used to measure the relative stability of a controlРsystem. A system with a large overshoot is usually undesirable.Рare used to measure the quicknessРthat a system responds to the unit-step input.РThe monly used to study the performance of a system in transient:РComputer simulation – numerical method;? Referring to transient performance of the first-order and second order ? system, estimate those of higher order systemsР8РTransient Response of the 1st-Order SystemsР9РTransient Response of the 2nd-Order SystemsРNatural undamped frequencyРTime constant, reciprocal of the natural undamped frequencyРDamping ratioР10РTransient Response of the 2nd-Order SystemsРRoots of the characteristic equation:РSetРReal part of the rootsРImaginary part of the roots
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