Control Systems A lead compensator used for a closed loop controller has the following transfer function For such a lead compensator a > kb. b < a. a < b. a < kb. a > kb. b < a. a < b. a < kb. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system of constant voltage and constant frequency is called _________________ system. infinite. zero. None of these feedback. infinite. zero. None of these feedback. 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 the gain k is increased to infinity, then damping ratio will tend to become 0.707 zero unity infinite 0.707 zero unity infinite ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) B d2x/dt2 B dx/dt B *x None of these B d2x/dt2 B dx/dt B *x None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems A first order control system is initially at 0 V and subjected to a sudden input at t=0. Its output reaches 1.1 V in 4 sec and eventually reaches steady state of 2 V. Find the time constant? 5 sec 6 sec 2 sec 4 sec 5 sec 6 sec 2 sec 4 sec ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which one of the following is the response y(t) of a casual LTI system described by H(s) = (s+1)/(s²+2s+2) for a given input x(t) = e-t u(t)? e-t sint*u(t) e-t cott*u(t) e-t cost*u(t) e-t tant*u(t) e-t sint*u(t) e-t cott*u(t) e-t cost*u(t) e-t tant*u(t) ANSWER DOWNLOAD EXAMIANS APP