Motors and Motor Theory - Robo Works

Πολεοδομικά Έργα

15 Νοε 2013 (πριν από 4 χρόνια και 8 μήνες)

104 εμφανίσεις

Lesson Title:

Prime Movers

Superconductors, Motors, and Motor Theory

Week

4

National Education Standards

Math: Geometry, Algebra, CAD and Engineering Terms, Concepts and Skills

Day

3

Science: Discovery and Inquiry

Technology: Engineering Process

Objectives:

Students will construct a simple DC Motor and explain its operation in terms of electromagnetic theory.

Terms:

Direct Current

Armature

Polarity

Repulsion

Attraction

Materials:

http://www.exploratorium.edu/snacks/stripped_down_motor.html

Lesson Text:

The motors used in robots are typically low voltage direct current motors. To understand how a DC motor
works, it is useful t
o construct a simple motor and describe how it works.

Activities:

Simple DC Motor

1.

Place a D cell battery into a plastic battery holder.

2.

Attach alligator clips to wire support as shown in the diagram.

3.

Obtain a wire loop.

4.

Observe both ends of the wire

5.

Set loop ont the wire support and gently nudge the loop into motion.

6.

Resources:

Superconductors:

http://superconductors.org/

Simple Reed Switch
Brushless
Motor

http://www.simplemotor.com/rsmotor.htm

Simple DC Motor

http://fly.hiwaay.net/~palmer/motor.html

Assessm
ent
:

1.

Students will:

a.

draw a diagram of the simple DC motor in

their notebook.

b.

explain the operation of the motor in terms of electromagnetic theory.