Control Systems For a second order under damped system subjected to unit step input the time response has first peak value to be 4 times the second over shoot. Determine the damping ratio ξ ? 0.87 0.087 0.07 0.707 0.87 0.087 0.07 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If gain k is increased to infinity, then damping ratio will tend to become 0.707 infinite unity zero 0.707 infinite unity zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 2.000. 1.386. 0.500. 0.693. 2.000. 1.386. 0.500. 0.693. 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 Negative feedback in a closed loop control system improves disturbance rejection. All of these reduces sensitivity to parameter variation. reduces gain. improves disturbance rejection. All of these reduces sensitivity to parameter variation. reduces gain. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of the control system depends on nature of the input. nature of the output. initial conditions of input and output. the system parameters alone. nature of the input. nature of the output. initial conditions of input and output. the system parameters alone. ANSWER DOWNLOAD EXAMIANS APP
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