4/12/2023 0 Comments Control system designer matlab![]() ![]() The given transfer functions in this tutorials are for the plant. Reference is the set target level for the output to stay with. Most of the times, the gain is set as 1 (direct feedback) for simulation purposes. Summer is the one processing the difference between the reference and the feedback. This is a negative feedback with a particular gain. Feedback is the one getting sample from the output and compare it to the reference. Controller is the one making the output to be within the specifications. Plant is the system to be controlled such as a motor, switching converter, aircraft wing, robotic arm etc. For the benefit of everyone especially to those who do not have idea or already forgotten control system, we will be having a short review.Ī control system consists of a plant, compensator or a controller, feedback, reference and a summing element.įigure 1 displays a common control system block diagram. ![]() In this article we are going to discuss control system. We will convert also the transfer function of the plant into s domain to pair it with an s domain control as well. In this article let me combine the two plant transfer functions (series combination) to obtain a single one. The transfer functions are define in the z domain or discrete format. Gd1 and Gd2 are the transfer functions of the plant that we are going to control the response. Phase margin Open Loop = 75º +/-3% -Gain margin Open Loop = 24 dB +/-2% -Rise time = 0.5 to 1.5 sec -Settling time = 2.5 sec maximum -Overshoot = 1% maximum These are our objectives in this tutorial: You may just need a little exploration but do not worry this software is user friendly. Higher version of matlab has different appearance or interface but the command/syntax are all the same. In this tutorial I use R2011a version of matlab. I am about to share to you matlab control design step by step tutorials. However, we will not having the same experience. Self studying is not easy, it took me sometimes to learn and get what I want. I remember when I started to study matlab I was searching for matlab control design step by step tutorials but I have not seen any. ![]()
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