Control Systems The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )3 is 8. 4. 6. 2. 8. 4. 6. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a phase lead compensator is given by: G(s) = (1 + 3Ts)/(1 + Ts) where T>0. What is the maximum phase shift provided by such a compensator? 45° 60° 30° 90° 45° 60° 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a lead compensator, the poles lie: on RHS. on LHS. on origin. on LHS before zero. on RHS. on LHS. on origin. on LHS before zero. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Certain control system has input u(t) and output c(t). If the input is first passed through a block having transfer function e-s and unit gain is applied to the applied to the system. The modified output will be c(t-1).u(t-1) c(t-1).u(t) c(t).u(t-1) c(t)u(t) c(t-1).u(t-1) c(t-1).u(t) c(t).u(t-1) c(t)u(t) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function for unity feedback system is given by Find the steady state error for a ramp input of magnitude 10? 2 infinite 0 5 2 infinite 0 5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider the following statements for phase lead compensation: The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. nether 1 nor 2 both 1 and 2 Phase lead compensation shifts the gain crossover frequency to the right The maximum phase lag occurs at the arithmetic mean of the two corner frequencies. nether 1 nor 2 both 1 and 2 Phase lead compensation shifts the gain crossover frequency to the right ANSWER DOWNLOAD EXAMIANS APP