Glossary

Technology

Piezo Motor: A motor, or driving mechanism, utilizing the principles of piezo electric material with the functions of a servo motor.

Piezo Actuator: A piezo electric crystal used in a traditional sense of expansion/contraction with very limited travel displacement

Ultrasonic Standing Wave: The longitudinal and sinusoidal extensions of a piezo crystal, resulting in an elliptical path at the edge of the crystal.

Motor Amplifier: The power stage required to provide the necessary voltage to the motor for operation

Servo Controller: The position controller that generates the motion trajectory based on a motion platform with a motor and encoder and commands the driver based on this input.


Applications

OIS (Optical Image Stabilization): The process of using a motion system to correct the desired position, in response to a disturbance that is sensed with a linear or rotary vibration sensor.

Gimbal A dual axis, pan & tilt platform for motion

NUC Non-Uniformity Calibration

NUC Shutter The process of using a linear or rotary device to move a black calibration surface in front of an infrared sensor.


Motion

Motion Profile: Critical move distance, time to position, and aspects of move & settle or constant velocity.

Duty Cycle: Percentage of move time relative to total time.

Position Repeatability: The ability for a motion system to land in the same position over and over again

Resolution: The electronic resolution of one encoder count

Accuracy: The absolute precision of a landing position

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