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The Motion Controller Reference Center, from Machine Design, is designed to
provide design engineers with the information they need to specify or purchase
Motion Controller including: Programmable Logic Controllers ( PLCS ), Computer
Numerican Control ( CNC ), Motor Controllers, Servo Control Units and other motion
control products. The Motion Controller 101 section includes reference
information about programmable logic controllers ( PLCS), servo control units, motor controllers and many other types of controllers. We also offer the selection criteria
and requirements used for typical mechanical engineering applications. Motion
Controller Articles will point you to recent application and product articles
that have appeared recently in the pages of Machine Design magazine. Definitions
of motion control vary widely in industry today. Depending on the application,
motion control can refer to simple on-off control or a sequencing of events,
controlling the speed of a motor, moving objects from one point to another,
or precisely constraining the speed, acceleration, and position of a system
throughout a move. In many cases, motion-control techniques are intimately
tied to the controller as well as to the positioning hardware and actuator.
No overview of motion control would be complete without a discussion of the
various control options that are widely used. These include simple timers and
counters, chip-level and board-level computers, programmable logic controllers ( PLCS ), servo control units and pneumatic sequencers.
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