Fastech’s Ezi-SERVO: Closed-Loop Stepping Motor Control Trailblazer
Fastech’s Ezi-SERVO: Closed-Loop Stepping Motor Control Trailblazer
  • Korea IT Times (info@koreaittimes.com)
  • 승인 2012.08.01 10:50
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Ezi-SERVO of Fastech is a precision motor control system, one of the core components in the manufacture of robots, semiconductors, inspection equipment and LCD equipment.  For decades, Japanese companies, Yaskawa, Mitsubishi, Panasonic and Sanyo have been dominating the Korean market for precision motor control. Fastech, however, with its 25-year expertise on motion and control technology sets out to increase its market share highlighting four distinct features: No hunting, No gain tuning, Fast response, Smooth and Accurate. Ezi-SERVO enables precision location control by attaching high-precision encoder to step motor, solving motor problems including vibration after stoppage, hunting(shaking  caused by opposite force when correcting its position )while stopping, and difficulty of setting control gain. It is now applied to over 200 pieces of equipment that are being exported to 50 countries including Japan, the U.S., Germany, and Italy.

Ezi SERVO ST

Ezi-SERVO features an innovative closed-loop stepping motor and controller that utilizes a high-resolution motor-mounted encoder to constantly monitor the motor shaft position. The encoder feedback allows the product to update the current motor shaft position information every 25 microsecond, enabling the Ezi-SERVO drive to compensate for the loss of position, ensuring accurate emplacement. For example, due to a sudden load change, a conventional stepper motor and drive could lose a step creating a positioning error and a great deal of cost to the end-user. 

Ezi-SERVO BT_02

A conventional servo system requires the adjustment of its servo’s gains as an initial crucial step to ensure machine performance, smoothness, minimized positional error and low servo noise. Ezi-SERVO employs the best characteristics of stepper and closed-loop motion controls and algorithms to eliminate the need for tedious gain tuning for conventional closed-loop servo systems. Ezi-SERVO is optimized for application and operation right out of the box. Eliminating cumbersome steps provides the engineer with a high-performance servo system without wasting any set-up time. Ezi-SERVO is well-suited for more flexible loads that sometimes require conventional servo systems to match the inertia with the added expense and bulk of the gearbox. You can find more information at http://www.fastech.co.kr/

FASTECH has been selected as the KOTRA Seal of Excellence since 2009


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