Brushless Motors: What's the Big Difference?
The electronic switching of currents to the coils of the BLDC motor is more efficient than the mechanical switching of the DC motor.
Siemens' World-record Electric Aircraft Motor Punches Above Its Weight
From Gizmag: Researchers at Siemens have created a new prototype electric motor specifically designed for aircraft that weighs in at just 50 kg (110 lb) and is claimed to produce about 260 kW (348 hp) at just 2,500 RPM. With a quoted power five times greater than any comparable powerplant, the new motor promises enough grunt to get aircraft with take-off weights of up to 1,800 kg (2 ton) off the ground...
... As a result, the new aircraft electric drive system achieves a claimed weight-to-performance ratio of 5 kW per kilogram. This ratio is an exceptional figure – especially if compared to similarly powerful industrial electric motors used in heavy machinery that produce less than 1 kW per kilogram, or even to more efficient electric motors for vehicles that generate around 2 kW per kilogram... (full article)
Everything You Need to Know About Stepper Motors
Recent servo motors are equipped with the encoder of 20 bits (1,048,576 steps) which has a very fine resolution. Because of this, errors due to the encoder installation accuracy have a huge effect on stopping accuracy.
Oriental Motor Introduces New KIIS Series Three-Phase Standard AC Motors in 200 W (1/4 HP) with Hypoid Gear
Our Most Compact, Highest Performing and Most Efficient Three-Phase AC Motor Just Received a Boost in Power and Performance
Spinning motors just got simpler with TI's latest stepper technologies
AutoTune™ technology dynamically tunes motors, and integrated current sensing saves 20 percent board space
Development of Battery-Free Multi-Rotation Absolute Encoder
In recent years, there have been many demands for equipment with high productivity to have a system that retains positioning information, even after the main power supply is turned off.
High Performance Drive in a Small Package
Maxon sets new standards in micro drives.
Service Robots Use Flat Motors
Service robots being designed for the disabled must be reliable, safe, and easy to use. Having the right motion system components is essential for these highly specific applications.
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