TIME RESPONSE
50 questions available
Questions
The output response of a system is the sum of which two responses?
View answer and explanationWhat are the values of the Laplace transform variable, s, that cause the transfer function to become infinite?
View answer and explanationFor a first-order system with the transfer function G(s) = a / (s + a), what is the time constant?
View answer and explanationA system has a transfer function G(s) = 50 / (s + 50). What is the settling time, Ts, for this system?
View answer and explanationA second-order system response that is characterized by two real poles and a non-oscillatory step response is called what?
View answer and explanationWhat is the natural frequency (omega_n) of a second-order system?
View answer and explanationFor a system with the transfer function G(s) = 36 / (s^2 + 4.2s + 36), what are the values of the natural frequency (omega_n) and the damping ratio (zeta)?
View answer and explanationA damping ratio (zeta) of 1 corresponds to what type of second-order system response?
View answer and explanationFor an underdamped second-order system, what is the definition of Peak Time (Tp)?
View answer and explanationGiven a system with the transfer function G(s) = 100 / (s^2 + 15s + 100), what is its percent overshoot (percent OS)?
View answer and explanationIn the s-plane for an underdamped second-order system, what do vertical lines of constant real part represent?
View answer and explanationWhen can a system with more than two poles be approximated as a second-order system?
View answer and explanationWhat is a system that initially responds in the opposite direction of its final value known as?
View answer and explanationHow does adding a zero to a two-pole system generally affect the percent overshoot of its step response?
View answer and explanationIn a state-space representation, what are the roots of the equation det(sI - A) = 0 called?
View answer and explanationWhat is the state-transition matrix, Phi(t), in the time-domain solution of state equations?
View answer and explanationThe total response of a system solved using the time-domain state equation method is partitioned into which two components?
View answer and explanationGiven a rotational mechanical system with transfer function G(s) = 1/J / (s^2 + (D/J)s + (K/J)), what is the natural frequency, omega_n?
View answer and explanationWhat is the rise time, Tr, for a first-order system with the transfer function G(s) = 10 / (s + 10)?
View answer and explanationA second-order system response has poles at s = -5 +/- j13.23. What is the form of its natural response to a step input?
View answer and explanationThe time for a first-order system's step response to reach 63 percent of its final value is known as the:
View answer and explanationFor an underdamped second-order system with transfer function G(s) = omega_n^2 / (s^2 + 2*zeta*omega_n*s + omega_n^2), the peak time (Tp) is given by which formula?
View answer and explanationWhat is the primary factor that determines the percent overshoot (percent OS) of an underdamped second-order system?
View answer and explanationConsider the system with transfer function T(s) = 24.542 / (s^2 + 4s + 24.542). If a third pole is added at s = -3, how would the step response compare to the original second-order response?
View answer and explanationWhich physical nonlinearity is characterized by a system's inability to respond to small input signals, requiring the input to exceed a certain threshold before an output is produced?
View answer and explanationWhat is the correct expression for the Laplace transform of the state vector, X(s), for a system with initial state x(0) and input U(s)?
View answer and explanationA second-order system with a transfer function G(s) = 900 / (s^2 + 90s + 900) would be characterized as:
View answer and explanationIn the time-domain solution of state equations, the part of the response that depends only on the initial state vector x(0) is called the:
View answer and explanationFor the system in Example 4.7, designed to have a 20 percent overshoot and a settling time of 2 seconds, what is the required value for the inertia, J?
View answer and explanationPole-zero cancellation is considered a valid approximation when:
View answer and explanationWhat does a pole on the real axis of the s-plane generate in the time response?
View answer and explanationWhat is the damped frequency of oscillation (omega_d) for a system with poles at s = -3 +/- j4?
View answer and explanationFor a rotational mechanical system, what physical parameters determine the damping ratio (zeta)?
View answer and explanationA system is defined by the state equations where matrix A has eigenvalues of -2, -3, and -4. What can be concluded about the system's natural response?
View answer and explanationIf a system's step response is experimentally measured and found to be first-order, how can the parameter 'a' of its transfer function G(s) = K / (s + a) be determined?
View answer and explanationIn the s-plane, what do radial lines extending from the origin represent for an underdamped second-order system?
View answer and explanationA designer wants to achieve a 20 percent overshoot for a second-order rotational system with K=5 N-m/rad. What must the ratio of inertia to stiffness (J/K) be?
View answer and explanationHow does the response of a nonminimum-phase system, such as the one in Figure 4.27, differ from a standard first-order response?
View answer and explanationIf two underdamped systems have poles with the same real part but different imaginary parts, what aspect of their step responses will be virtually the same?
View answer and explanationA second-order system transfer function is T(s) = 225 / (s^2 + 30s + 225). What is the nature of its response?
View answer and explanationThe response of a system with a zero can be thought of as the sum of what two components?
View answer and explanationA system is described by the state equation x_dot = A*x + B*u, where the eigenvalues of A are -1, -1, and -5. What is the form of the natural response?
View answer and explanationWhat is the primary effect of amplifier saturation on the step response of a motor's angular velocity?
View answer and explanationWhat is the peak time (Tp) for a system with the transfer function G(s) = 100 / (s^2 + 15s + 100)?
View answer and explanationGiven a system pole plot, what is the geometric interpretation of the natural frequency, omega_n?
View answer and explanationA second-order system has a transfer function G(s) = 625 / (s^2 + 625). What is the nature of its step response?
View answer and explanationFor the system with transfer function T(s) = 1/(2s^5 + 3s^4 + 2s^3 + 3s^2 + 2s + 1), what is the settling time (Ts) if it is approximated as a first-order system with pole at s=-1?
View answer and explanationThe eigenvalues of a system's A matrix are -10 and -2. The system is:
View answer and explanationWhat is the primary characteristic of the transient response caused by backlash in a gear system?
View answer and explanationTo find the poles of a system represented in state space, one must find the roots of which equation?
View answer and explanation