Bipolar and Unipolar Drives for Stepper Motors: A Comparison

Learn the differences between bipolar and unipolar motors, their driving methods, and advantages and limitations.

Back to Basics: Improving Your Drives Investment

An OEM must think about how to build a machine that will work on any kind of power system.

Simulation Applications Streamline the Development of Electric Vehicle Motors

See how simulation software is being used to is automate the test process for vehicle rotors.

2018 Create the Future Design Contest: Automotive/Transportation Category Winner

ISCAD — ELECTRICAL DRIVE WITH 0% RARE EARTHS, 25% HIGHER DRIVING RANGE, AND 100% SAFETY

Conventional electrical machines suffer from the problem...

Drive Technology: The Recipe for Precise Actuator Control

Worldwide, there are only a handful of manufacturers of electrical actuators for the process industry, and the Vienna, Austria-based company Schiebel Antriebstechnik GmbH is the...

Integrated Inverter for Controlling Multiple Electric Machines

There are applications that require multiple electric machine drives, such as electric or hybrid electric vehicles, where there is a main traction motor and one or more accessory...

Sensor-Free Smart Wheel

Technology was developed that not only allows wheels to “know” when and how to rotate, but also enables them to work together in interactive teams. The new technology can be used wherever there is a need for...

MOTOR DRIVES: Build or Buy

Every system design presents a unique set of specifications regarding cost, space, time-to-market, and other factors. Designers must therefore make tradeoffs to meet these requirements, such as opting for a higher...

The Increasing Use of Electrical Actuators in the Aerospace and Defense Industry

Hydraulic and pneumatic systems have traditionally been the market leader in providing power in the aerospace and defense industry because of their low cost and...

New Automotive Test Bench Concept Eliminates Gyrating Mass

At its location in Recklinghausen, Germany, EDAG-Prüftechnik has offered comprehensive services in the conception, development, construction, and assembly of test benches for over...

Electromobility Drives Green Vehicles

Environmental friendliness, economy, and individuality are the fundamental ideas associated with the topic of eMobility (electromobility). The increasing scarcity of resources and constantly rising...

Sustainable Technologies Category Winner

Lindsay Meek Perth, Australia

This design improves the energy efficiency of a residential air conditioner by replacing the traditional reciprocating compressor (bore and stroke) with a...

"Create the Future" Sustainable Technologies Category Winner

The 2008 NASA Tech Briefs "Create the Future Design Contest," presented by SolidWorks, recognized innovation in product design in six categories: Consumer Products, Machinery &...