Nothing to show for Control Systems & HMIs category yet. Here are some other education that may interest you.

On/off Electric Motor Control Circuits

Textbook

An electric motor is often used as a discrete control element in a…

Proportional-only Control

Textbook

Imagine a liquid-level control system for a vessel, where the position…

Electromagnetism Basics

Textbook

The fundamental principle of electromagnetism is that an electric…

Transmission Control Protocol (TCP) and User Datagram Protocol (UDP)

Textbook

At the next OSI Reference Model layer (layer 4) is a set of protocols…

Valve Seat Leakage

Textbook

In some process applications, it is important that the control valve…

Unit Conversions and Physical Constants

Textbook

Converting between disparate units of measurement is the bane of many…

Conservation Laws

Textbook

The Law of Mass Conservation states that matter can neither be created…

Digital Representation of Text

Textbook

Binary patterns are not just able to represent numerical values. Given…

The s Variable: Euler’s Relation and Phasor Expressions of Waveforms

Textbook

A powerful mathematical concept useful for analyzing practically any…

What is Internet Protocol (IP)?

Textbook

I remember first learning about the world-wide Internet, and wondering…

Analytical Measurements of Chemical Compositions

Textbook

A great many chemical composition measurements may be made indirectly…

Tuning PID Controllers

Textbook

Learning how to tune PID controllers is a skill born of much practice.…

Vibration Sensors

Textbook

Sensors used to measure vibration come in three basic types:…

Dampers and Louvres

Textbook

A damper (otherwise known as a louvre) is a multi-element flow control…

Valve Positioners

Textbook

The reason why a pneumatic control valve’s stem position…

Learn Fundamental Principles, not Procedures

Textbook

“As to methods there may be a million and then some, but…

Ultrasonic (Sound) Echo Level Measurement

Textbook

A completely different way of measuring liquid level in vessels is to…

Hand Switches and Stackable Switches

Textbook

A hand switch is exactly what the name implies: an electrical switch…

References

Textbook

Lipták, Béla G. et al., Instrument Engineers’ Handbook – Process…

VSD and VFD Motor Drive Features

Textbook

Modern DC and AC motor drives provide features useful when using…

What is Electrical Power?

Textbook

Since we often use electricity to convey energy from one location to…

Level Switches

Textbook

A level switch is one detecting the level of liquid or solid (granules…

Thermocouple Types, Junctions, Connector and Tip Styles

Textbook

RTDs are completely passive sensing elements, requiring the…

Rotary-stem Valves

Textbook

A different strategy for controlling the flow of fluid is to insert a…

4 to 20 mA Analog Current Signals

Textbook

The most popular form of signal transmission used in modern industrial…

Electromagnetism Basics

Textbook

The fundamental principle of electromagnetism is that an electric…

Introduction to Optical Analysis

Textbook

Light is known to interact with matter in very specific ways, which…

Unit Conversions and Physical Constants

Textbook

Converting between disparate units of measurement is the bane of many…

Instantaneous and Time-overcurrent (50/51) Protection

Textbook

Perhaps the most basic and necessary protective relay function is…

How Derivatives and Integrals Relate to One Another

Textbook

First, let us review some of the properties of differentials and…

Pneumatic PID Controllers

Textbook

A pneumatic controller receives a process variable (PV) signal as a…

Indicators, Recorders, Process Switches and Alarms

Textbook

So far we have just looked at instruments that sense, control, and…

Examples of PLC Systems

Textbook

Programmable logic controllers are essentially nothing more than…

Limit Switches

Textbook

A limit switch detects the physical motion of an object by direct…

Heuristic PID Tuning Procedures

Textbook

In contrast to quantitative tuning procedures where definite numerical…

Dimensional Analysis

Textbook

An interesting parallel to the “unity fraction” unit…

Equivalent Series and Parallel Circuits

Textbook

Impedance in a series circuit is the orthogonal sum of resistance and…

Flow Measurement in Open Channels

Textbook

Measuring the flow rate of liquid through an open channel is not…

Transmitter Damping Adjustments

Textbook

The vast majority of modern process transmitters (both analog and…

Numerical Integration

Textbook

As we have seen, the concept of integration is finding the…