Introduction to Control Systems
Control systems are an integral part of modern society and numerous applications are all
around Us.. A control system consists of subsystems or processes assembled for the purpose
of controlling the output of the processes. the difference in the difference between the actual
response and the desired response is the error of control system.. we build control systems for
four primary reasons power amplification remote control convenience of input form and the
compensation for disturbances. We will understand all these reasons with the help of a
practical example. Suppose we have a radar antenna and we wish to rotate this antenna
through a certain angle. Then in that case we will use a rotating knob, and we will rotate this
knob. we need to amplify the power and we use motors for that purpose and motors are
control systems. We 'll discuss the basics of control systems in which the very first lecture
will be the system response characteristics. In this lecture, we will discuss that how the output
of any control system vary with respect to the input and after that we will have an
introduction to the open loop and closed loop systems and their comparison. we will discuss
the concept of feedback and the types of feedback. After the completion of feedback, we'll
discuss the sensitivity of control system.. After completing this chapter, we will move on to
the next chapter, which is the root locus diagram..
We will also discuss the conversion of transfer functions to canonical state variable models..
after that we will discuss the solution of state equations and we will also have the discussion
on the concept of controllability and observability, along with the theory discussion. the
course is designed according to the official gate syllabus. Along with this this, this course is
also beneficial for college goers who have the control systems as a subject..
System Response Characteristics
In this lecture, we will discuss the graphical representation of system response characteristics,
which shows the variation of output concerning the input. The output differs from the input
due to two factors. Firstly, input changes instantaneously, but the output changes gradually.
For instance, when we enter inside the elevator and push the fourth-floor button, the input is
instantaneous, but the output of any control system is gradual as the system has to work to
generate the output. Secondly, the actual response or the performance of the control system is
different and slightly deviates from both the input and the desired response. The accuracy of
the system at steady state is one of the factors that can cause the output to differ from the
input. Throughout this lecture, we have gone through the system response characteristics in a
graphical way. In the upcoming lecture, we will delve into system configurations with two
different types; open-loop systems and closed-loop systems.
Open Loop Systems
An openloop control system is a system in which the control action is totally independent of
the output of the system.. an example of a toaster. The toaster goes on increasing the
temperature of the bread, but it does n't know when to stop heating and that's why sometimes
we get to know that the toast has burned.. The advantages of using an openloop system are
simple in construction and design because it does not have a complex mechanism. Also it is
Control systems are an integral part of modern society and numerous applications are all
around Us.. A control system consists of subsystems or processes assembled for the purpose
of controlling the output of the processes. the difference in the difference between the actual
response and the desired response is the error of control system.. we build control systems for
four primary reasons power amplification remote control convenience of input form and the
compensation for disturbances. We will understand all these reasons with the help of a
practical example. Suppose we have a radar antenna and we wish to rotate this antenna
through a certain angle. Then in that case we will use a rotating knob, and we will rotate this
knob. we need to amplify the power and we use motors for that purpose and motors are
control systems. We 'll discuss the basics of control systems in which the very first lecture
will be the system response characteristics. In this lecture, we will discuss that how the output
of any control system vary with respect to the input and after that we will have an
introduction to the open loop and closed loop systems and their comparison. we will discuss
the concept of feedback and the types of feedback. After the completion of feedback, we'll
discuss the sensitivity of control system.. After completing this chapter, we will move on to
the next chapter, which is the root locus diagram..
We will also discuss the conversion of transfer functions to canonical state variable models..
after that we will discuss the solution of state equations and we will also have the discussion
on the concept of controllability and observability, along with the theory discussion. the
course is designed according to the official gate syllabus. Along with this this, this course is
also beneficial for college goers who have the control systems as a subject..
System Response Characteristics
In this lecture, we will discuss the graphical representation of system response characteristics,
which shows the variation of output concerning the input. The output differs from the input
due to two factors. Firstly, input changes instantaneously, but the output changes gradually.
For instance, when we enter inside the elevator and push the fourth-floor button, the input is
instantaneous, but the output of any control system is gradual as the system has to work to
generate the output. Secondly, the actual response or the performance of the control system is
different and slightly deviates from both the input and the desired response. The accuracy of
the system at steady state is one of the factors that can cause the output to differ from the
input. Throughout this lecture, we have gone through the system response characteristics in a
graphical way. In the upcoming lecture, we will delve into system configurations with two
different types; open-loop systems and closed-loop systems.
Open Loop Systems
An openloop control system is a system in which the control action is totally independent of
the output of the system.. an example of a toaster. The toaster goes on increasing the
temperature of the bread, but it does n't know when to stop heating and that's why sometimes
we get to know that the toast has burned.. The advantages of using an openloop system are
simple in construction and design because it does not have a complex mechanism. Also it is
