Concept explainers
The system shown in Figure P6.16 has
a. The value of K2for which the inner loop will have two equal negative real poles and the associated range of K1for system stability.
b. The value of K1at which the system oscillates and the associated frequency of oscillation.
c. The gain K1at which a real closed-loop pole is at
d. If the response in Part d can be approximated as a second-order response, find the %OS and settling time, Ts, when the input is a unit step, r(t) = u(t).
Want to see the full answer?
Check out a sample textbook solutionChapter 6 Solutions
Control Systems Engineering
- 2. Consider the closed-loop system shown below. Determine the range of K for stability. Assume that K > 0. R(s) K S-2 (s + 1)(s² + 6s+25) C(s)arrow_forwardanswer completelyarrow_forwardFor the control system shown in Fig. 3.16: (a) plot the root loci of the system (b) find the value of gain K such that the damping ratio of the dominant closed-loop poles is 0.5 (c) obtain all the closed-loop poles using MATLAB (d) plot the unit-step response curve using MATLAB. K Input s(s²+5s+7) Outputarrow_forward
- Must answer all the parts.arrow_forwardForcing Function Spring Constant f(t) k Mass m Friction Constant b Mass Displacement y(t) 3. Consider the following spring-mass-damper mechanical system (it is placed sideways, so that you won't need to consider gravity). The input is given by f(t), and the output is y(t). Find an equation in time domain that defines the relationship between the input f(t) and the output y(t).arrow_forwardFigure 1 shows an electrical system comprising a series RLC circuit and input voltagesource ein(t).(a) Derive the input-output equation with output y = I and input u = ein(t). (b) Using the derived input-output equation, drive the system transfer function G(s)that relates output to input. Use the following numerical values for the electrical systemparameters: resistance R = 2Ω, inductance L = 0.25H, and capacitance C = 0.4F. (c) Using the derived transfer function, derive the time-domain ordinary differentialequation for the input-output equation of this electrical system. (d) Draw the complete block diagram of this series RLC circuit using the derived transferfunction.arrow_forward
- explain please. Which type(s) of systems will oscillate in response to a step function?arrow_forwardIt is known that G(s)= $4 and the closed-loop structure is shown below: R(s) + E(s) A (7 K(s + 2) G(s) +s C(s) Find the range of K for which the closed-loop system will have at least two right half-plane poles. (Tip: consider no zeros in 1st column of Routh table and special cases separately)arrow_forward6. Off-road vehicles experience many disturbance inputs as they transverse over rough roads. An active suspension system can be controlled by a sensor that looks "ahead" at the road conditions. An example of a simple suspension system that can accommodate the bumps is shown in Figure 4 below. a. Derive the transfer function relating the output and the disturbance, i.e., Ga(s) = Y(s) D(s) b. Find the appropriate gain K₂ so that the vehicle does not bounce when the desired deflection is R(s) = 0 and the disturbance is D(s). R(s) Desired defection Bump disturbance Preview of disturbance D(s) D(s) K₂ Vehicle dynamics K₁ Σ G(s) Y(s) Bounce of auto or deflection from horizontalarrow_forward
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY