Q25 a .What will be the controller output for a Proportional Integral Derivative controller a) Initially and b) after T= 1 seconds after the error begins to change from zero at the rate of 3%/s. The controller has Kp=3.5,Kp=1.9 seconds and K=0.11 /seconds 14- 13 12 1 10 9 Time b. Write two examples of Temperature sensor. With a neat diagram,explain about the working of Temperature Sensor. [WRITE THE ANSWERS IN PAPER AND UPLOAD] % of Error
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- For the following system: Design an integral controller to yield a 10% overshoot, 0.5-second settling time, and zero steady-state error for a step input.9. Find the state and output equations of the system with the unit step function response (?) = ? + 2? (?2 + 8? + 25). The original of the problem is attached This is a control systems question.design an optimal controller to control the level of the spherical tank by using conventional controllers like Ziegler-Nichols tuning method (ZN).This optimal tuning values of controller can be used in the industries that deal with this spherical type nonlinear type liquid level process. Wich controll should we use PI, PID?? And why??
- A binary code to represent the decimal digits [0-9] must contain at least four bits because 3digits can only represent until the decimal number _____ a) 8 b) A c) 7 d) 9 The effect in which the measurement is attempted to be modified is called_____ a) Preventive maintanance b) corrective maintenance c) calinration d) loading The controller that produces a control action preportional to the error is called_____________ a) derivative b) integral c) proportional d) on-off controllerI have been given the task as a tranee control engineer to design a closed-loop controller an air conditioning unit so that it has the following properties: Maximum overshoot: 10% , maximum time to reach 99% of steady state: 10 seconds, Maximum steady-state error: 10% i have to design a PD controller in a closed-loop system - The steady state error is 1/(1+KP) so i need KP to be at least 9 to meet the brief. I need to choose the K’D parameter so that the zero that it produces is placed somewhere between the open-loop pole, therefore put it at s = -1. I've to assume the closed loop transfer function for this system fits the standard form of a second order response when performing calculations of natural frequency, damping ratio and gain and for plotting the unit step response. I have added the example diagram of a closed-loop system with PD control i was supplied.Please see the attached picture : H1 is a P + I controller with PB = 50 % with integral time is 100 seconds. H2 is a first order process with Gain K = 1 and time constant is 100 seconds. Calculate the open-loop transfer function,Please ? Calculate the closed loop transfer function,Please ? Prove that there is no Error during Steady State,Please ?
- What will be the controller output for a Proportional Integral Derivative controller i) Initially and ii) after T= 1 seconds after the error begins to change from zero at the rate of 2%/s.The controller has Kp=3.5,KD=0.4 seconds and KI=0.01 /seconds.What will be the controller output for a Proportional Derivative controller (i) Initially and (ii) after T= 3 seconds (iii) after T= 4 seconds the error begins to change from zero at the rate of 3%/s. The controller has Kp=5.5, KD=0.7 seconds .A. A proportional controller for a level control system (direct action) has a bias of 3 ft. and outputs a value for the control variable of 20 ft. If the bias were increased to 6 ft., what would be the new output? Assume the same error in both cases. A. 10 ft. B. 23 ft. C. 17 ft. D. 40 ft. B. Which method can be used to directly measure the controller gain? a. Tuning map method b. Ziegler-Nichols closed-loop tuning c. Setpoint step change tuning d. Ziegler-Nichols open-loop tuning C. When a controller is placed in manual mode, what happens to the automatic control output from the controller? a. Automatic control outputs are blocked by an open circuit. b. The output exhibits a step change. c. The control action switches from direct action to reverse action. d. The manual actions are overridden by the automatic control functions.
- Task 3:A. Is it effective to control the temperature within a Martian home as described in the questions? Suggestsome modifications on the control system, or even on the Martian home design to support your argument. Consider enhancing the process lags and the stability under sudden and/or permanent loadchanges. Reflect your improvements on the components of the closed loop system such as the control law, the actuator and the measurement system. Explain the effects of each improvement in details. B. A PID controller has KP = 3, KI = 1.2 s-1 , KD = 2 s and p(0) = 40%. Plot the controller output for the error signal given in Fig. 3. Suggest modifications to the gain values [roughly, not exact values] inorder to enhance the correction signal response. Explain the effect of your change1. What is the steady state output? 2. What is the steady state error? 3. What is the issue with this type of controller and how can we resolve this issue?For the P-only control , briefly explain changes in controller gain and offset (steady-state error) when PB (Proportional Band) (i) increases (ii) decreases