Control Systems

Position Control System using a Microprocessor-Based Controller

Consider the following figure illustrating a position control system employing a microprocessor-based controller with parallel ports: Figure 1.0 Microprocessor-based controller…

2 years ago

Analog Proportional Controller

An analog controller typically employs op-amps to provide the necessary gain and signal processing. Let’s consider the flow control system…

2 years ago

Basic Steps to Consider in Designing a Control System

Typically a control system should be designed to work together with an already existing process. The control design problem can…

2 years ago

Fuzzy Controller and its Industrial Applications

Fuzzy logic is a human model, potentially applicable to a wide range of processes and tasks that require human instinct…

2 years ago

Transfer Functions and Block Diagrams of Control Systems

Transfer Functions A transfer function is a mathematical formulation that relates the output variable of a device to the input…

4 years ago

A Digitally Controlled Drill Press

The diagram below shows a digital control system for a drill press that includes: the input, digital processor, drill-positioning mechanisms,…

4 years ago

Basic Elements of a Digital Controller for a Steam-Turbine Driven Generator

The block diagram below illustrates the basic elements of a minicomputer system for speed and voltage control as well as…

4 years ago

How to Tune the PID Controller

Before we discuss how to tune the PID controller, let’s look at some basic facts about PID Controller. Basic Facts…

4 years ago

Ratio Control

In some processes, it is a common requirement for two flows to be kept in precise ratio to each other…

4 years ago

Feedforward Control

Feedforward control is based on principle of pre-emptive load counter-action i.e. if all major loads (i.e. disturbances) on a process…

4 years ago