Simulation, design and practical implementation of IMC tuned digital PID controller for liquid level control system

Sandip A. Mehta, Jatin Katrodiya, Bhargav Mankad
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引用次数: 7

Abstract

The paper is mainly concerned on Liquid level control systems which are commonly used in many process control applications to control, for example, the level of liquid in a tank. Liquid enters the tank using a pump, and after some processing within the tank the liquid leaves from the bottom of the tank. The requirement in this system is to control the rate of liquid delivered by the pump so that the level of liquid within the tank is at the desired set point. IMC tuned PID algorithm is implemented in MICROC programming language and it is loaded into the PIC microcontroller. The controller generate the output according to the error signal and derives the system towered the zero error. It is also interfaced with PC through MAX232 and DB9 connector for system identification and the observation of output of the system.
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液位控制系统IMC整定数字PID控制器的仿真、设计与实际实现
本文主要讨论了在许多过程控制应用中常用的液位控制系统,例如控制储罐中的液位。液体通过泵进入罐内,在罐内经过一些处理后,液体从罐底流出。该系统的要求是控制泵输送的液体速率,使罐内的液体液位处于所需的设定点。采用MICROC编程语言实现了IMC调优PID算法,并将其加载到PIC单片机中。控制器根据误差信号产生输出,推导出误差为零的系统。并通过MAX232和DB9接口与PC机接口,用于系统识别和观察系统输出。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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