Control Systems The following transfer function represents a phase-lead compensator? (4s+2)/(6s+1) (s+4)/(s+6) (s+4)/(3s+6) 1/s (4s+2)/(6s+1) (s+4)/(s+6) (s+4)/(3s+6) 1/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems A cascade of three linear time invariant systems is causal and unstable. From this we conclude that the majority are unstable and the majority are causal. at least one system is causal and all systems are unstable. each system in the cascade is individually caused and unstable. at least one system is unstable and at least one system is causal. the majority are unstable and the majority are causal. at least one system is causal and all systems are unstable. each system in the cascade is individually caused and unstable. at least one system is unstable and at least one system is causal. 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 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 4 rad/s 0.50 and 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the bandwidth of the system, when rise time of the system is give as 1msec? 750 Hz 350 Hz 1 kHz 500 Hz 750 Hz 350 Hz 1 kHz 500 Hz 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 unity infinite 0.707 zero unity infinite 0.707 zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 1 4 2 0.5 1 4 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
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