Glossary

Mathematical model that provides a square wave, triangular wave or sinusoidal wave output.

The maximum speed at which the servo motor can rotate.

Physical feedback which provides position information for a synchronized axis to follow.

Device that transforms AC power into DC for use by converter drives.

Procedure to set the feedback device relative to the real world.

Power generated by a motor/drive system during the deceleration phase of movement. In some systems, this regen power can be used by other axis or put back on the network.

The action during motor braking, in which the motor acts as a generator and takes kinetic energy from the load, converts it to electrical energy and returns it to the amplifier.

The degree to which a parameter such as position or velocity can be duplicated.

The smallest increment into which a parameter can be broken down. For example: a 1000 line encoder has a resolution of 1/1000 of a revolution.

A position transducer that uses magnetic coupling to measure absolute shaft position during one revolution. The resolver is a form of feedback.

Oscillatory behavior caused by mechanical or electromechanical harmonics and limitations.

Oscillation of a system following a sudden change in state.

וn an intermittent duty cycle application, the RMS current is equal to the value of steady state current which would produce the equivalent motor heating over a period of time.

RMS Torque - Root Mean Square Torque

Function that calculates speed of a rotary axis to keep the linear speed of the feed material constant as the diameter of the rotary axis changes

Moving in a circular way, using degrees to indicate position instead of mm, or inches in a linear axis

The moving part of the motor, consisting of the shaft and magnets. These magnets are analogous to the field winding of a brush-type DC motor.