Control Systems Given a unity feedback system with G(s) = k/s(s+4), the value of k for damping ratio of 0.5 is 4 64 16 1 4 64 16 1 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).u(t-1) c(t-1).u(t) c(t-1).u(t-1) c(t)u(t) c(t).u(t-1) c(t-1).u(t) c(t-1).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 5(1+0.1s) / (s(1+5s)(1+20s)) Find the steady state error for a step input of magnitude 10 is equal to infinite. zero. 5. 2. infinite. zero. 5. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively 0.25 and 4 rad/s 0.25 and 2 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 4 rad/s 0.25 and 2 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the advantages of a closed loop control system? The closed loop systems are accurate. nether 1 nor 2. The closed loop systems are less affected by noise. both 1 and 2. The closed loop systems are accurate. nether 1 nor 2. The closed loop systems are less affected by noise. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider a point S = -3 + j4 in the s-plane. Then for a system with the open loop transfer function ? S is not on root locus S is on root locus None of these either 1 or 2 S is not on root locus S is on root locus None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP