RVUNL EE Control system Quiz 5

The Nyquist plot (for possible frequency) of an OLTF of a unity feedback system is given in the figure below. The PM & GM are respectively.

If the transfer function of Bode plot shown in figure is. The value of x₁ and x₂ are

The open loop transfer function of a unity feedback system is given by:

The initial slope of magnitude plot is:

Find slope of magnitude plot in dB/dec if Transfer function consists of 4 poles and 2 zeros.

The open loop transfer function G(s) = ,find number of encirclement about(-1+j0)