Article
Driving High Power Loads with H-bridge
Post date: 12 years 1 week ago
high power loads using low-level voltage signals
A common automation system requirement is to drive or actuate high power loads using low-level voltage signals. Motors, solenoids, relays and capacitive loads can be actuated with appropriate circuitry that is only possible using small current/...
Description of Pulse Width Modulation blog post
Post date: 12 years 8 months ago
PWM (Pulse Width Modulation) refers to the concept of rapidly pulsing a digital signal on a wire. Along with many other uses, it can be used to simulate a varying static voltage. PWM is commonly used for driving motors, heaters, LEDs or lights in varying intensities or speeds.
TERMINOLOGY...
All About Back-EMF Motion Control
Post date: 13 years 1 week ago
ElectroMotive Force
Electromotive force (EMF) refers to the voltage generated by a spinning motor. Measuring this voltage in order to determine the rotational speed of a motor is commonly called Back-EMF since the voltage tends to "push-back" against the circuit driving current into a motor's...
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