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Week #1 & #2: Introduction to Industrial Controls & Interface Circuits

Posted: Mon Jan 28, 2019 8:15 am
by rjagodowski
This week we will discuss chapter 1 in the text, Introduction to Industrial Control Systems . Follow this link in the Registered Users Only area to get to the text book information. If you wish to view the Handouts for the highlights of each chapter and active links to the Wisc-Online tutorials, they can be found in the Registered Users Only section here.

When you get the text, the first reading assignment is to read through Chapter 1 & Chapter 2. You should answer the questions at the end of the chapters. Chapter 2 reviews much of the content presented in EET-210/L Digital and Linear Circuits, so we will emphasize the content which is new.

Here is an interactive demonstration on the operation of a PID (Proportional-Integral-Differential) controller for a robotic arm. We'll investigate the theory behind PID controllers later in the course, but this is a good simulator for the fundamental mechanism of modern control systems. It should also help show continuity and application from previous courses in the E.E.T. curriculum. This tutorial has sound, so please have your sound enabled as you work through the demonstration. ... ID=ELE5308

From the schematic diagram, make note of the "blocks" used: op-amps, DAC, feedback (resistor sensor connected to robotic arm), actualor (the robotic arm) and power amplifier (could be IC or discrete components (BJTs or FETs).

And here's a Process Control Tutorial: The Chocolate Milk Machine. This machine uses a Coriolis Meter to measure the viscosity of the chocolate milk. Here's the theory of operation of the Coriolis Meters from Emerson. And here's a link to some practical Coriolis Mass Flow Meters for Industrial Applications from InstruMart.

Homework: There are questions at the end of each chapter and you should answer all of them. The solutions to each chapter can be found here in the Registered Users Only area for the Spring 2016 EET-250 course. You must be logged into the forums to access this content.