Electric Motors Ara Knaian Human Power Line Shaft

Electric Motors Ara Knaian

Human Power

Line Shaft

Electric Power

AC Motors Nikola Tesla

Tools with Individual Motors

Motors • Motors convert electrical energy to mechanical energy • Motors make things move LINEAR ELECTROSTATIC DC BRUSH INDUCTION STEPPER UNIVERSAL

DC Motors

How a DC Motor Works Brushes

How a DC Motor Works Brushes

Motor Modeling Voltage and Current In Heat Out Power In = Power Out Torque and Speed Out

Motor Modeling

Pittman Motor Data Sheet

Pittman Motor Data Sheet

Bidirectional Motor Drive: H-Bridge

Speed Control: PWM Like Low Voltage (slow) Like High Voltage (fast)

Rotary Shaft Encoder

Practical Motor Controller Block Diagram H Bridge Motor Mechanical System Microcontroller Encoder Limit Switch

Stepper Motors

Stepper Motor Selection • • Permanent Magnet / Variable Reluctance Unipolar vs. Bipolar Number of Stacks Number of Phases Degrees Per Step Microstepping Pull-In/Pull-Out Torque Detent Torque

Power Transmission Tw = Tw Tw = Fv

Induction Motors

Universal Motors

LINEAR MOTORS

Tubular Linear Motor

CNC Router with Linear Motors?

Electropermanent Stepper Rotor Stator Alnico Nd-Fe-B Fe Before Installation of Coils Copper Wire Coil After Installation of Coils

Electropermanent Stepper

Operation T Tpulse V 1 V 2 Time Tpulse = 100μs T = 40 ms