A motor control technique for all seasons

Ere Jääskeläinen outlines the benefits of direct torque control (DTC) technology

Semiconductor devices energise servos and inverters

Whether an application requires precision motion control for medical apparatus or for powering a megawatt motor, the omnipresent transistor invariably sits at the crux of it all. Boris Sedacca reports on the latest developments in power electronics for motors

Micro-motors take over when conventional designs reach their limits

PiezoMotor AB develops, manufactures and markets cutting-edge based on patented piezoelectric technology

Water cooling boosts performance and component life

Water-cooled inductive and resistive components to increase the reliability and lifetime of electric motor and drive applications

The trends that are driving electric drives

What does the future hold for electric drives in the industrial automation sector? Currently there are three trends which are dictating development – speed and ease of specification, simplified control and maintenance, and machinery safety. Here, Nigel Dawson looks at these trends

Demo shows controlled release of 5,000Nm

Having recently launched its new RDBK releasable backstop, Stieber Clutch has demonstrated its performance by developing a test rig in partnership with Bauer Gear Motor

High-efficiency motors power cave train

Train controlled by ABB variable-speed drives is helping visitors to Oman experience the wonders of a two-million year-old natural cave system, deep in the desert

Challenges and chances: solutions for the extended energy-efficiency directive

The European Commission has initiated a significant tightening of the energy-efficiency directive for electrical devices, leaving more users of drive technology faced with new challenges

‘Off-the-shelf’ variable frequency drives

Bosch Rexroth has unveiled its new series of variable frequency drives for general automation, materials handling, pumps, fans and conveyors

Servomotors bridge gap between stepper and induction motors

New Kollmorgen VLM series servomotors from Heason Technology suit value conscious applications

Ethernet communications capability added to integrated stepper motor/drives

Applied Motion Products has added six integrated drive+motors to its line of Ethernet and EtherNet/IP motion control products

USB stepper motor evaluation kit

Aimed at OEMs and machine builders wishing to assess the many benefits of Arcus’ integrated motor technology

90° mounting for ultra compact drives

Vincotech flow90 0 enables 90-degree mounting for ultra slim bookshelf inverters

Latest models increase torque flange’s capabilities

HBM has launched two new models of its T40B digital torque flange with 50Nm and 100Nm torque measurement ranges making the transducer suitable for a wider range of applications

Plastic recycler goes greener by swapping to AC drives

Recycling plant converts discarded plastic into high density polyethylene (HDPE) pellets. Amaechi Oduah reports

Micro drives – drives that can make a big difference

Compact drives that cover small industry and even household applications. They help improve everyday life by helping reduce noise, save energy, and are so easy to use. Jussi Rantanen reports

Motor efficiency depends on logic control

There is more to motors than just switching them on or off. The IEC 61131 standard provides for five general methods, some more textual and some more graphical, according to Boris Sedacca

Mini motors make swarm robots more economical

Researchers at Southampton University have used low-cost motors from mobile phones to create a swarm of miniature robots



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