EDN

One-chip incremental encoder handles motor commutation and way or angle measurement

The encoder device iC-TW2 is a highly integrated sine-to-digital converter which interpolates analog sine/cosine signals from magnetic and optical sensors with a freely selectable resolution of up to ...
EDN

Timing the Commutation Channels of an Optical Encoder to a Brushless Motor

Alignment of optical encoder commutation signals to a Brushless DC (BLDC) motor could be thought of as being comparable to timing the distributor on a car engine. The distributor tells the spark plugs ...
Automation World

FAULHABER Expands its Encoder Portfolio by Adding Multiturn Absolute Encoders with Line Driver - Integrated Referencing

The new magnetic AEMT-12/16 L absolute encoder delivers absolute angle information with a preset multiturn resolution of 16 bits (65536 revolutions) and a singleturn resolution of 12 bits (4096 steps) ...
Machine Design

Maximizing efficiency with encoders

Permanent-magnet brushless dc servomotors (PMBDCs) provide the highest continuous torque density and efficiency of any electric motors, which is why they are widespread. However, getting top ...
Machine Design

Capacitive Technology Finds Use in BLDC Motor-Commutation Controls

• Capacitive sensing offers low operating currents, broad programmability, excellent temperature range tolerance, resistance to airborne contaminants, low cost, and extreme durability. • Commutation ...