DSP-1760 Fiber Optic Gyros

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Sensor Fusion: Potential, Challenges and Applications

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Precision Gyros with Maximum Ease of Integration
Combining 1, 2, or 3-axes of the world’s smallest precision fiber optic gyros (FOGs) either within an easy-to-integrate housing or as an unhoused OEM variant, the navigation-grade DSP-1760 FOG provides unmatched versatility to meet the demands of the most challenging design projects. Depending on the application, the end user can select from nine total configurations:
  • 1, 2, or 3 axes of precision FOGs 
  • Housed, with a Micro-D or a circular connector
  • Unhoused, as an OEM variant with Micro-D connector

Each configuration comes with KVH’s exclusive FOG/IMU Developer’s Kit ensuring easy, fast integration for any application.

Superior Performance and Quality
A high-bandwidth, low-noise angular rate sensor, the DSP-1760 features a solid-state design with exceptional performance in bias stability, scale factor, and Angle Random Walk (ARW). By using KVH’s exclusive E•Core ThinFiber, the world’s smallest D-shaped optical fiber, the DSP-1760 is both extremely accurate and compact, weighing only 0.5 to 0.6 kg (1.1 to 1.3 lbs.) depending on the number of axis and housing option.

Stabilization and Navigation Applications
The DSP-1760 is ideal for a wide range of commercial applications, including:
  • Pointing and stabilization for land, sea, and aerial systems
  • Navigation of unmanned and autonomous systems
FOG's Precision and Versatility Key for Autonomous Platform Navigation
What does every autonomous platform need? Extremely accurate sensor data. Read up. Read more »


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Brochures & Datasheets

Document File Info
DATASHEET - DSP-1760 PDF file 1.6 MB / 2 pg

FAQ

A:

A rate gyro does not output accumulated angle. Instead, it outputs rate of change of angle. In most KVH FOGs, the users can change the output format as desired; rate integrated angle, or incremental angle.

A:

Strong magnetic fields have the ability to cause apparent drift in the gyro bias. This is due to the Faraday effect on the laser light in the sensing coil resulting in non-reciprocal light paths. While this effect can be observed in gyros designed for precision inertial navigation systems (drift rates of less than 1 degree per hour), and can be mitigated by the use of mu-metal shielding, there have been no reported problems with KVH FOGs. If your application results in mounting a FOG near a very strong magnetic field (>50 gauss), a practical test to determine sensitivity is suggested.

Highlights

  • 1, 2, or 3 axes of high-performance FOGs
  • Superior bias instability of ≤0.1°/hr, 1σ
  • Available in six configurations: 1-, 2-, or 3-axes, each with 15-pin Micro-D connector or 13-pin circular connector 
  • RS-422 digital interface
  • Environmentally sealed, lightweight housing – from 0.5 to 0.6 kg (1.1 to 1.32 lb.) depending on number of axes
  • Compact package – 88.9 mm D x 73.7 mm H (3.5 in. x 2.9 in.) 
  • Angle Random Walk (ARW): ≤0.012°/√hr
  • Bandwidth: ≥440 Hz (±4%)


Featured Options

  • Available in six different configurations: 1, 2, or 3 axes of gyros, with choice of two interfaces, 15-pin Micro-D connector or 13-pin circular connector
  • Package dimensions and mounting features enable easy drop-in replacement
  • Magnetic shielding integrated within the gyro housing, for improved performance in systems with problematic magnetic environments
  • FOG/IMU Developer’s Kit with easy-to-use software accelerates your IMU and FOG integration, development, and interface efforts. Learn more.


Exclusive Technology

E•Core ThinFiber
KVH’s proprietary polarization maintaining E•Core ThinFiber delivers outstanding precision performance in much smaller size gyros, such as the DSP-1750. By reducing the overall diameter of KVH’s standard E•Core fiber, the resulting E•Core ThinFiber dramatically increases the accuracy of our standard size gyros, and produces small FOGs that deliver extremely high bandwidth and low noise.

DSP Technology
KVH’s Digital Signal Processing (DSP) electronics improve fiber optic gyro performance in such critical areas as scale factor and bias versus temperature, scale factor linearity, turn-on to turn-on repeatability, and maximum input rate. The innovative DSP design is covered by multiple patents and overcomes the limitations of analog signal processing, virtually eliminating temperature-sensitive drift and rotation errors.

Watch the Video

DSP 1760: Choosing the Right FOG to Meet Your Needs



White Papers & Case Studies

  • Learn more! Download and read our free white papers for more details about KVH’s fiber optic gyro technology.


Manuals

* To access these manuals, you will be required to provide us with your contact information.



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