High-Speed Two-Axis Gimbal

CMM Optic’s high-speed gimbal uses high-torque, direct-drive brushless DC motors to deliver ultra fast point-to-point movement with milli-radian accuracy. The high-speed gimbal is ideal for applications requiring rapid response, including rocket or artillery countermeasures.

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FEATURES

A 90-degree azimuth, 45-degree elevation combined move can be performed in less than 20 milliseconds, including settle. The gold-coated aluminum mirror is supported on either side by a yoke that comprises the elevation drive assembly. Its unique design conceals all elevation motor and encoder cables.

The base of the mechanism contains the azimuth drive system and consists of a hollow shaft to permit a laser beam to pass through the center and strike the mirror from below. High-precision rotary position sensors provide a complete feedback control system.

A trickle charge is provided to a high voltage capacitor bank, which is discharged to provide punch when a high-speed move is commanded. The hardware consists of a 16-bit 150 MHz Digital Signal Processor and 16-bit dual Digital-to-Analog Converters with a settle time of less than 2 microseconds. Serial flash allows for in-the-field code updates.

SERVICE & SUPPORT

Our Customer Service operation works closely with users to maximize the performance, reliability and uptime of our mission-critical imaging systems. We have established long term relationships with defense, homeland, commercial and international communities for logistics, support, and depot.

SPECIFICATIONS

Weight	10.2 lbs
Envelope	6.25″ W x 7.75″ L x 6.50″
Input Beam	(1/e2) 15 mm
Clear Aperture	0.60″ x 1.60″ ellipse
Travel (optical °)	Azimuth: ± 160 Elevation: ± 45
Resolution (optical °)	Azimuth: 0.01 Elevation: 0.05
Accuracy (optical °)	± 0.20
Repeatability (asec)	90° in 20 ms (including Settling)
Reflective Coating	Vapor-deposited gold or other, per request
Power Supply	28V DC with optional AC Power Source