Electric Motors & DC Motors

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Minimotor relies on piezoelectrics

Brushless dc motor uses slotless design

The brushless, slotless dc motors from Xtreme Energy, St. Petersburg, have all the advantages of slotless, brushless technology...

Linear motor provides alternative to leadscrew positioning

The linear motor develops its drive force through interactions between fixed and electrically generated magnetic fields.

Power management boosts solenoid-valve performance

Next-generation solenoids draw less power and produce more force.

Segmented stator for extra torque

The new SLG Series of rotary servo gearmotors from Exlar features segmented motor stators for higher performance.

Linear motor delivers precise, nimble automation

Many OEMs and automation-equipment manufacturers are turning to linear motors rather than leadscrews for linear motion. This eliminates all belts, chains, gears, and the need to convert rotary into linear motion. Linear motors also eliminate wear, cogging, and backlash.

Mighty motors

Permanent-magnet synchronous motors eliminate gearboxes.

Torque motors do the trick

Direct-drive technology seems to be an ideal way to increase productivity, accuracy, and dynamic performance. It can also lower costs, simplify designs, and reduce wear.

Flattening the motor

Researchers at Penn State have developed a motor that can be built as thin as a CD case.

The coaster with the moster

Hydraulic propulsion rockets the world's tallest, fastest roller coaster up a 420-ft megahill.

Controllers & Drive Systems

Special Functions

Electric Motors 101 includes reference information about various electric motors, selection criteria, and requirements for typical engineering applications.

Introduction to Electric Motors