1750 IMU

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Sensor Fusion: Potential, Challenges and Applications

High-performance Inertial Sensor for a Wide Range of Unmanned Applications
The 1750 IMU offers exceptional precision in a compact form, making it ideal for use where space is limited. By pairing the E•Core® ThinFiber technology of the KVH DSP-1750 FOG – the world’s smallest precision FOG – with solid state MEMS accelerometers, the result is an inertial system that integrates easily into the most demanding applications at a lower cost than comparable systems.

Innovative Package
Attributes such as small size, light weight, and high performance, combined with low power consumption and extremely accurate data output, make the 1750 IMU ideal for new or drop-in replacement designs. It measures 88.9 mm Dia. x 73.7 mm H (3.5" x 2.9"), weighs less than 0.7 kg (1.45 lbs), and has a power consumption of less than or equal to 5 watts (typical).

Next Generation Applications
The 1750 IMU is highly adaptable, featuring industry standard RS-422 protocol, with user programmable data output rates from 1 to 1000 Hz. It addresses a range of uses, including autonomous vehicles; unmanned aerial surveillance, surveying, and mapping; autonomous research and exploration; humanoid robots; and oil and gas pipeline inspection equipment.

A Winning Year for Robots and KVH
DARPA Challenge robots relied upon KVH IMUs to stay on track. Find out more. Read more »


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Brochures & Datasheets

Document File Info
DATASHEET - 1750 IMU PDF file 752 KB / 2 pg
DATASHEET - 1750 光ファイバージャイロ慣性計測装置 - (Japanese) PDF file 837 KB / 2 pg

Manuals

Document File Info
TECHNICAL MANUAL - 1750 IMU - For Antenna S/N XXXXXXXX - 1510K012
The 1750 IMU is a compact, precise inertial sensor system ideal for unmanned applications where size, weight, and power consumption must be minimized; Bias instability (25°C): ≤0.05°/hr., 1σ; Commercial Off-the-Shelf (COTS) product; Compact size, minimal weight, low power consumption
PDF file 797 KB / 32 pg
TECHNICAL MANUAL - 1750 IMU - For Antenna S/N 1510K013 - Present
The KVH 1750 IMU incorporates the worlds smallest precision fiber optic gyro – KVH’s DSP-1750 – with very low noise MEMS accelerometers. This high-performance commercial-off-the-shelf (COTS) system has excellent bias stability and repeatability. Its potential applications include a vast range of navigation and guidance systems, optical equipment, and precision pointing.
PDF file 2.34 MB / 107 pg

FAQ

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.

A:

Yes.  The TracPhone Fleet One uses GPS positioning system by default, but you can select between GPS, Beidou (Chinese satellite navigation system), GPS and Beidou and GPS and GLONASS (Global Navigation Satellite System).


Highlights

 
  • Superior precision – bias instability ≤ 0.05°/hr, 1σ, highly accurate 6-degrees-of-freedom angular rate and acceleration data
  • Compact package – 88.9 mm Dia. x 73.7 mm H (3.5” x 2.9”), <0.7 kg (<1.4 lbs.)
  • Rugged design for extreme environments, with excellent shock, vibration, and thermal performance
  • Industry standard Asynchronous or Synchronous RS-422 protocol
  • Flexible, user-friendly programmable data output rates from 1 – 1000 Hz
  • Built with KVH’s precision DSP-1750 FOGs, using proprietary E-Core ThinFiber, for high reliability and stable performance
  • High performance commercial-off-the-shelf (COTS) inertial system for challenging applications


Watch the Videos

1750 IMU: How to Choose the Right Fiber Optic Gyro




Meeting of the Minds 2014: Flyover Mapping & Modeling

The Carnegie Mellon team is participating in the Google Lunar XPRIZE, constructing a system to capture high resolution images for use in mapping of the moon’s surface. Multiple sensors are being employed by the team, the 1750 IMU is crucial to providing precise relative motion of the platform, enabling extremely accurate modelling of the ground below.



Featured Options

  • User has opportunity to create the desired message output from both the FOGs and the integrated accelerometers of the 1750 IMU.
  • Package dimensions and mounting features enable easy drop-in replacement.
  • 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 FOG. 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 vs. 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.


White Papers & Case Studies

  • Learn more! Download and read our 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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