[PDF] Top 20 ECE-320 Lab 6: State Variable Systems

... Modify the controller in tf_sv_driver.m to use your controller and run the system. The results for both the transfer function model of the plant and the state variable model of the plant should be ... See full document

... amplitude. Be sure you use the same using for the input and output (both degrees or both radians)! You should determine the value θ 1,ss in Matlab, don't use the X-Y Graph. The variables theta1 and time should be in your ... See full document

... What we need to do in this case is limit the rate at which we allow the control signal to change. At the top of the code there is a constant MAX_DELTA_U which indicates the maximum change in control effort u from one ... See full document

... SecureCRT to save your data to. Vary the reference signal to a few set points (such as 30 rad/sec, 60 rad/sec, and 90 rad/sec). Let the system come to steady state at each point (or close to it). Stop the system ... See full document

... time state variable model for a one degree of freedom rectilinear system, construct an equivalent discrete-time system using a sample and hold with a delay (the sample time is given by Ts), and implement a ... See full document

... amplitude. You should determine the value x 1,ss in Matlab, don't use the X-Y Graph. The variables x1 and time should be in your workspace. You should use three different input amplitudes and produce three different ... See full document

... process_data_1dof.m, and state_model_1dof.mat in a way that you will be able to identify them later. Write these names on the data sheet at the end of this lab. These are the files that contain a state ... See full document

... in lab more and more is the limitation of the amplitude of the control signal, or the control ...of systems, and why dynamic prefilters can often really help us out here (see Problem 7 ... See full document

... a state variable model for a regular pendulum (a pendulum hanging down) attached to the first ...the lab we will initially try and control the regular ... See full document

... We will use this expression to determine K 1 and get better estimates of ω 1 and ζ 1 , then we will have all of the parameters we need for our state variable model. We will be constructing the magnitude ... See full document

... Show (analytically) that the steady state error for the original system for a step input with amplitude A is 0.68A, while the corresponding steady state error for the type 1 system is still 0. Simulate this ... See full document

... use state variable feedback of the form u t ( ) = G r t pf ( ) − kq t ( ) , where is the new input to the system, is a prefilter (for controlling steady state error), and is the state ... See full document

... • Change the prefilter to cancel the zeros of the closed loop system and still have a steady state error of zero. Rerun the simulation, recompile the ECP system, run the ECP system, and compare the predicted with ... See full document

... 12 Now we will set the Speed Limit saturation block. Comment out the fixed value of R ( R=75.0) and use the pot as the input (uncomment R = (double)….). Turn off the motor power (the red LED) and be sure the board power ... See full document

... • We are going to have to have to poles fairly close to the origin for our systems to work. However, as the sampling rate increases, we will have to move the state feedback poles farther away. The observer ... See full document

... amplitude of the output ( B 1 and B 2 ) when the system is in steady state. Modify the program get_Amp2.m to help record these amplitudes accurately. Be sure the plot from get_Amp2 shows the system in steady ... See full document

... Your memo should include four graphs for each of the 1 dof systems you used (one PI-D and one I-PD controller with and without dynamic prefilters.) Be sure to include the values of , , and in the captions for each ... See full document

... where 3 is the nominal value of α 0 and 0.5 is the nominal value of α 1 . In this problem we will investigate the sensitivity of closed loop systems with various types of controllers to these two parameters. We ... See full document

... b) For many types of controllers, the maximum value of the control signal is just after the step is applied, at t = 0 + . Although most of the time we are concerned with steady state values and use the final value ... See full document

... b) For many types of controllers, the maximum value of the control signal is just after the step is applied, at t = 0 + . Although most of the time we are concerned with steady state values and use the final value ... See full document