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Motion Control Components Lend Hand to Biomedical Applications

The worlds of biomedical and motion control are joining at the hip, with motors, controllers, actuators, and other motion control components becoming key elements in advanced biomedical applications ranging from fluid dispensers to imaging tables to surgical simulation systems.

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Universal Joint Carries Power in Surgical Device

Belden Inc., a manufacturer of universal joints, has developed a miniaturized universal joint for a surgical tool developed by Tuebingen Scientific Medical GmbH for minimally invasive surgical applications. The surgical manual manipulator system required a joint to transmit the power from the handle to the connecting shaft.

Posted in: Applications, Application Briefs

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Linear Rails Bear Weight of New X-Ray Table Apps

Arcoma, one of the world’s leading providers of automatic x-ray equipment, faced the challenge of redesigning one its flagship products, the Arcoma mobile imaging table, because new applications had been developed for the top-selling mobile imaging table.

Posted in: Applications, Application Briefs

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Encoder Helps Track Molecular Level Movement

What good is a $100,000 ultra-precision inverted microscope if it can’t hold focus? That’s the problem facing researchers involved in an increasing number of genetic experiments.

Posted in: Applications, Application Briefs

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Protecting AC Motors From Destructive Shaft Currents

The use of variable-frequency drives (VFDs) to control AC motors has increased dramatically in recent years. In addition to low operating cost and high performance, they save energy. Today, the challenge facing system designers and engineers is to minimize damage to AC motors from shaft current.

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Getting on the Right Motion Bus

As modern machines have become more advanced, the complexity involved in motion control has escalated. Today, servos have replaced cams and gears on machines and multiple axis of synchronized motion control have become commonplace. Distributed motion control requires busses able to handle rigid jitter and timing demands including:

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Integrated Motor Control Meets Aviation Needs

The trend in aircraft design is toward more efficient brushless DC motors. A integrated motor drive module for brushless DC motors from International Rectifier (El Segundo, CA) reduces the effort of programming the motor control and simplifies certification. Because the device is configured for sensorless field oriented control, the elimination of Hall sensors improves reliability while reducing component count. It enables the aircraft to achieve greater fuel economy and lower maintenance costs.

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