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# Control System Response in Time Domain admission essay help Geology online class help

Experiment 1 consisted of finding the damping ratio ? , natural frequency ? n, settling time Ts, peak time Tp and percent overshoot %OS, as well as the dominant pole pair were to be found for three different second order systems, given by the transfer functions: These variables should then be found through two different methods, one which consisted of writing a program in MATLAB to analytically evaluate each variable, and another method where the response characteristcs were then supposed to be found directly from the response curve by using MATLAB built in functions such as cursors.

The final part of experiment one would be to use the Electromechanical Servomechanism Virtual Laboratory (ESVL) to generate the same three response curves only this time using a virtual reality type view. The same response characteristics were then to be obtained through reading off the oscilloscope output of the ESVL. 1. 2. Introduction (Background) In order to fully understand the first experiment of this laboratory, it is important to have some understanding of what a transfer function is, and how changing different parameters of the first order or second order systems should change the behavior of the response curve.

By changing parameters of the first order system, the speed of the response curve will change, however varying the parameters of a second order system may give large changes in the way the response curve behaves. It is important to note that the ideal second order system has the following mathematical equation: eq. 1. 2. 1 And that the pole locations are given by: eq. 1. 2. 2 The locations of the poles govern the appearance of the transient response. Changing the responses to be either Overdamped, Underdamped, Undamped or Critically Damped.

In this experiment various response characteristics are to be obtained, which were explained in section 1. 1. Therefore it is also crucial to have an understanding of what these different response characteristics actually mean, and that will be shown in the image on the following page, along with mathematical equations to calculate each value. This response curve nicely demonstrates the meaning of each variable calculated later in the experiment. Some basic knowledge of what these different things mean may also be necessary; hence an explanation will be provided below.

Peak time, Tp: is the time required to reach the first, or maximum peak. In the above figre that is shown with Tmax, same location where the maximum overshoot occurs. Percent Overshoot, %OS: the amount by which that particular waveform overshoots its steady state value. Shown on the figure by “maximum overshoot” Settling time, Ts: this is the time required for the transient’s damped oscillations to reach and stay within +/-2% of the steady state value. And Rise time, Tr: this is the time required for the waveform to go from 10% of the final value to 90% of the final value.

The last thing that may be important in order to understand what the various variables mean when it comes to the ESVL section of the experiment would be to have an understanding of what the different coefficients are in terms of the DC motor that the ESVL virtually demonstrates. The most necessary part includes the simplified block diagram shown below: Which was further simplified in order to get the system in terms of Kp by knowing that; Ts= C? (s)R(s) Since the relationship directly above is true, the block diagram can be simplified further to give:

## Ethics: Central Component to Justice?

Ethics: Central Component to Justice?.

Societies have been using punishment as a way to affect behavior for centuries. The question must be asked of the benefits of punishment to direct actions and deter crime. After reading the required textbook chapters for this week, evaluate public issues that criminal organizations face in ethical decision making. In your paper, Evaluate the morality of punishment for actions; Describe the philosophical theories that justify punishment as a requirement to creating and reinforcing moral behavior; Explain the theories that view punishment as an inappropriate response to poor moral behavior; and Describe the alternatives to punishment used to correct behavior.

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