The Stability of Linear Feedback Systems

References
233
equation The equation that immediately precedes the zero entry in the
_yo
RapllsOn method An iterative approach to solving for roots of a poly.
equation.
stability The property that is m~as.ured by. the relative settling times of
*GOt or pair of roots ofthe charactenstlc cQuatlon.
Hanritz criterion A criterin for determining the ~tability of.a srstem by
., the characteristic equation ofthe transfcr function. The cntenon states
1be number of roots of the characteristic equation with positive real parts is
10 the number of changes of sign of the coefficients in the first column of
th array.
A perfonnance measure ofa system. A system is stable if all the poles
transfer function have negative real parts.
•ystem A dynamic system with a bounded system response to a bounded
division A method ofdetermining the roots of the characteristic eQuabued
on the remainder theorem of mathematics.
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