Peak time in step response (underdamped case) of a second order control system

After reading this topic Peak time $({t_p})$ in Time response of a second-order control system for subjected to a unit step input underdamped case, you will understand the theory, expression, plot, and derivation.


A block diagram of the second order closed-loop control system with unity negative feedback is shown below in Figure 1,

Continue reading Peak time in step response (underdamped case) of a second order control system

Rise time in step response (underdamped case) of a second order control system

After reading this topic Rise time $({t_r})$ in Time response of a second-order control system for subjected to a unit step input underdamped case, you will understand the theory, expression, plot, and derivation.


A block diagram of the second order closed-loop control system with unity negative feedback is shown below in Figure 1,

Continue reading Rise time in step response (underdamped case) of a second order control system

Step response (underdamped case) of a second order control system

After reading this topic Time response of a second-order control system for underdamped case subjected to a unit step input, you will understand the theory, expression, plot, and derivation.


In a system whose transfer function having the highest power of s equal to 2 in its denominator, is called the second order control system.

Continue reading Step response (underdamped case) of a second order control system

Type 2 system with step, ramp and parabolic input in control system

After reading this topic Type 2 system with step, ramp and parabolic input in the control system, you will understand the theory, steady state error expression, and derivation.


Consider a simple closed loop control system with negative feedback as shown below in Figure 1.

Continue reading Type 2 system with step, ramp and parabolic input in control system

Type 1 system with step, ramp and parabolic input in control system

After reading this topic Type 1 system with step, ramp and parabolic input in the control system, you will understand the theory, steady state error expression, and derivation.


Consider a simple closed loop control system with negative feedback as shown below in Figure 1.

Continue reading Type 1 system with step, ramp and parabolic input in control system

Type 0 system with step, ramp and parabolic input in control system

After reading this topic Type 0 system with step, ramp and parabolic input in the control system, you will understand the theory, steady state error expression, and derivation.


Consider a simple closed loop control system with negative feedback as shown below in Figure 1.

Continue reading Type 0 system with step, ramp and parabolic input in control system

Static error constants in control system

After reading this topic static error constants (position (Kp), velocity (Kv) and acceleration (Ka)) or coefficients in the control system, you will understand the theory, expression, and derivation.


Consider a simple closed loop control system with negative feedback as shown below in Figure 1.

Continue reading Static error constants in control system

Steady state error in control system

After reading this topic Steady state error in the control system, you will understand the theory, expression, derivation, factors, and block diagram.


Steady state error defined as the difference between the input signal and the output signal in a steady state. It depends on the type of system and type of the input signal.

Continue reading Steady state error in control system

Second order control system

After reading this topic Second order control system, you will understand the open and close loop transfer function, characteristic equation, Pole – zero map (undamped, underdamped and overdamped), root locus, example, and block diagram.


In a system whose transfer function having the highest power of s equal to 2 in its denominator, is called the second order control system.

Continue reading Second order control system

Unit ramp input time response of a first order control system

After reading this topic Unit ramp input time response of a first order control system, you will understand theory, error expressions and derivation.


A block diagram of first order closed – loop control system with unity negative feedback is shown below

Continue reading Unit ramp input time response of a first order control system