International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 10 | Oct 2024
p-ISSN: 2395-0072
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ANALYSIS OF PID CONTROLLER WITH DIFFERENT RESPONSE FUNCTION Jitendra Kumar Dahariya1, Kamesh Sahu2, Khomesh Verma3, Mr.Ganesh Ram Ratnakar4, Mr.Vikas Chandra5, Mrs. Mohini Moitra Bhaduri6 1, 2, 3–B.TECH Scholar, Chouksey Engineering College, Bilaspur 4, 5, 6 – Assistant Professor, Chouksey Engineering College, Bilaspur
Department of Electrical & Electronics Engineering ---------------------------------------------------------------------***---------------------------------------------------------------------
Abstract - This work examines PID controllers with various
correction factor is computed and utilized for the input based on the variation between these values. For instance, the temperature will be raised if the oven is colder than needed.
response functions. In industrial control systems, control engineers utilize a PID (Proportional – Integral – Derivative) control to adjust temperature, flow, pressure, speed, and other process-related parameters. The most precise and reliable controllers are PIDs, which regulate process variables via a feedback loop.
The three steps are as follows: Correcting a goal according to the difference is known as proportional tuning. Because the applied correction decreases as the difference gets closer to zero, the desired value is never reached.
An established method for guiding a system toward a target location or control parameters is PID control. It is used in many scientific and chemical processes, as well as automation, and is essentially universal as a temperature control method. PID control maintains a process's real output as near to the set point or target output as feasible.
1.2 Uses 1. Control of Temperature PID controllers are widely utilized in HVAC systems, furnaces, and ovens that regulate temperature.
Key Words: PID controller, step, ramp, parabolic, sinusoidal function.
2. Control of Speed
1.INTRODUCTION
PID controllers regulate the motor's voltage or current to control speed in electric motors.
In industrial automation and process control systems, a PID (Proportional-Integral-Derivative) control is a commonly used control algorithm. By continuously modifying the control input in response to the difference between the setpoint (the desired condition) and a process variable (also known as the present state), it can maintain the desired result level. This is what makes it effective. PID controllers are a key element of contemporary control engineering since they are necessary in many different applications, such as motor speed control and furnace temperature management.
3. Control of Position PID controllers, which are utilized in robotic and CNC (Computer Numerical Control) equipment, guarantee accurate mechanical component placement. 4. Flow Control PID controllers manage the movement of gases and liquids in reactors, tanks, and pipelines.
1.1 Historical Context
5. Control of Pressure
Feedback control was first conceptualized in the early 1800s. As industrial processes grew more complicated and necessitated more advanced control tactics, the word "PID controller" gained popularity in the middle of the 20th century. PID control was made feasible by the advancement of electronic components, which paved the way for its broad use in a variety of industries, including robotics, aerospace, and manufacturing.
PID controllers regulate pressure levels in systems such as reactors, boilers, and gas pipelines.
2. DIFFERENT RESPONSE FUNCTION 2.1 Unit Step Function A key idea in control theory, processing of signals, and systems analysis is the unit step function, which is frequently represented as u(t) and H(t) (Heaviside step function). It functions as a mathematical representation of a signal that changes from 0 to 1 at a given moment.
A PID controller operates on the premise that each of the three terms—proportional ("P"), integral ("I"), and derivative ("D")—needs to be "tuned" or changed separately. The
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