Categories

Servo Motor Systems

Worksheets - Motor Control

Explain the operation of this “H-bridge” motor control circuit: At…

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Rectifier Circuits

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to mathematically…

Inductive Reactance

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to mathematically…

Bipolar Junction Transistors as Switches

Worksheets - Motor Control

Solid-state switching circuits usually keep their constituent…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

DC Generator Theory

Worksheets - Motor Control

Generators used in battery-charging systems must be regulated so as to…

AC Generator Theory

Worksheets - Motor Control

If an electric current is passed through this wire, which direction…

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Motor Control

As an electric current is passed through a coil of wire, it creates a…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Design Project: Stepper Motor Driver

Worksheets - Motor Control

At first it may seem pointless to have the four buffer gates following…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Basic Ohmmeter Use

Worksheets - Motor Control

Explain how an ohmmeter is able to measure the resistance of a…

TTL NAND and AND gates

Textbook

Suppose we altered our basic open-collector inverter circuit, adding a…

Digital Ramp ADC

Textbook

Also known as the stairstep-ramp, or simply counter A/D converter,…

Simple Op-Amp

Textbook

PARTS AND MATERIALS Two 6-volt batteries Four NPN…

Junction field-effect transistors (JFET)

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to mathematically…

Voltage Regulator

Textbook

PARTS AND MATERIALS Four 6 volt batteries Zener diode, 12 volt—type…

Summer and Subtractor OpAmp Circuits

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to mathematically…

Biasing Techniques (IGFET)

Textbook

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…

AC Negative Feedback OpAmp Circuits

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to mathematically…

Relay Construction

Textbook

An electric current through a conductor will produce a magnetic field…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Active Filters

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to mathematically…

Metric Notation

Textbook

The metric system, besides being a collection of measurement units for…

Properties of Exponents

Textbook

Voltage Comparator

Textbook

Parts and Materials Operational amplifier, model 1458 or 353…

4-wire Resistance Measurement

Textbook

PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…

Energy, Work, and Power

Worksheets - Motor Control

Define the following terms: energy, work, and power.

Op-Amp Voltage and Gain Calculator

Tools

A calculator for computing the gain and output voltage of an operational amplifier

Basic Logic Gates

Worksheets - Motor Control

Identify the type of logic gate shown in this schematic diagram, and…

Electromagnetism Experiment

Textbook

PARTS AND MATERIALS 6-volt battery Magnetic compass Small permanent…

Basic Ohmmeter Use

Worksheets - Motor Control

Explain how an ohmmeter is able to measure the resistance of a…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Common-Emitter Amplifier

Textbook

PARTS AND MATERIALS One NPN transistor—model 2N2222 or 2N3403…

Digital Codes

Worksheets - Motor Control

Counting practice: count from zero to thirty-one in binary, octal, and…

Potato Battery

Textbook

PARTS AND MATERIALS One large potato One lemon (optional) Strip of…

Simple Vector Addition

Textbook

Remember that vectors are mathematical objects just like numbers on a…

Differential Transistor Amplifiers

Worksheets - Motor Control

Don’t just sit there! Build something!! Learning to mathematically…

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

Practical Considerations - Capacitors

Textbook

Capacitors, like all electrical components, have limitations that must…

Design Project: Arbitrary Waveform Generator

Worksheets - Motor Control

What, exactly, is an arbitrary waveform generator, and for what…

Three-phase Y and Delta Configurations

Textbook

Three-phase Wye(Y) Connection Initially, we explored the idea of…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Amplifier Circuits

Textbook

Note, Q3 and Q4 in Figure below are complementary, NPN and PNP…

Trigonometry for AC Circuits

Worksheets - Motor Control

Identify which trigonometric functions (sine, cosine, or tangent) are…

How to Build a Current Mirror Circuit

Textbook

PARTS AND MATERIALS   Two NPN transistors—models 2N2222 or…

Oscillator Circuits

Textbook

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60o of…

Introduction to Bipolar Junction Transistors (BJT)

Textbook

The invention of the bipolar transistor in 1948 ushered in a…

The Silicon-Controlled Rectifier (SCR)

Textbook

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

Light-Pulse Switch

Worksheets - Motor Control

It is fairly important to use large value resistors (10 MΩ works…