CNS-5000 INS

CNS-5000CNS-5000
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Technologies Coupled for Accurate Outcomes
The CNS-5000 brings together two powerful technologies - a KVH fiber optic gyro (FOG)-based inertial measurement unit (IMU) and NovAtel’s OEM6® GNSS precision receiver technology for an inertial navigation system (INS) that delivers accuracy at an affordable price. In one compact package, these technologies are deeply coupled to enable the CNS-5000 to process raw data from the GPS and IMU, and deliver an inertial navigation solution offering highly accurate position, velocity and attitude information. The CNS-5000 provides accurate inertial navigation even when GNSS is blocked, jammed or unavailable. This robust inertial navigation system (INS) is a commercial off-the-shelf (COTS) product so it simplifies the logistics for those customers whose systems cross international boundaries.

High Output in Demanding Environments
The deeply coupled technologies in the CNS-5000 provide significantly faster GNSS signal reacquisition while maintaining precise inertial navigation. This INS is the ideal solution for a wide range of motion-control and GNSS-integrated navigation applications, including geo-referencing applications, surveying and mobile mapping, navigation for unmanned and autonomous systems and robotics. Designed for mission critical applications and demanding environments, the CNS-5000 INS is also ideal for highly dynamic applications with its high rate output of position, velocity and attitude data.

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Brochures & Datasheets

Document File Info
DATASHEET - CNS-5000 PDF file 678 KB / 2 pg

Additional Documents, Forms & Pricing

FAQ

A:
The CNS-5000 is designed specifically for demanding commercial applications, such as dynamic surveying, precision agriculture, container terminal management, and autonomous vehicle navigation, where the ability to determine the precise position and orientation of a piece of equipment or a mobile platform is critical.
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:
The geometrical birefringence created by the elliptical core is the key to the E-Core fiber's outstanding polarization-maintaining abilities. Because of its design, it is able to maintain its polarization and low-loss characteristics when exposed to physical stresses and temperature-induced changes far better than PM fiber created using stress-induced birefringence. It is the E-Core fiber's stability that makes it an excellent choice for pigtailing optical components.
A:
KVH's E-Core fiber offers a number of advantages, including high polarization maintaining ability (greater than 40 dB-m) and low sensitivity to stress and temperature. These features make E-Core fiber ideal for fiber splicing and pigtailing to other optical components in applications where preserving the state of light polarization is critical to the operation of the device.

The geometrical birefringence created by the elliptical core is the key to the E-Core fiber's outstanding polarization-maintaining abilities. Because of its design, it is able to maintain its polarization and low-loss characteristics when exposed to physical stresses and temperature-induced changes far better than PM fiber created using stress-induced birefringence. It is the E-Core fiber's stability that makes it an excellent choice for pigtailing optical components.

The elliptically shaped core region within an E-Core fiber has a significantly higher index than the surrounding cladding, creating the geometrical birefringence necessary to maintain the polarization of the light within the fiber. The E-Core fibers are manufactured using high-grade silica materials and various high-purity dopants. A dual UV-cured acrylate coating is applied to standard fibers, thereby preventing moisture from penetrating the fiber, preserving its strength, and improving its handling characteristics.
A:

All KVH FOG products meet the European Community Electromagnetic Compatibility Directive and are approved to display the CE mark. They have been tested for conformance to electromagnetic emissions and susceptibility requirements. The units also meet FCC Part 15.

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Highlights

  • Commercial Off the Shelf (COTS) product
  • Deeply coupled integration of GNSS/IMU technology within a single enclosure
  • Dramatically faster GNSS signal reacquisition while maintaining precise inertial navigation
  • Patented Digital Signal Processing (DSP) FOGs for high reliability and stable performance
  • Full 100 Hz position, velocity and attitude sensing
  • Integrated L-Band tracking capability
  • RTK, DGPS, Omnistar, and SBAS positioning modes
  • Proven GPS tracking via NovAtel’s OEM6® GNSS receiver
  • Wheel sensor input for ground applications

This product is covered by one or more patents.



Featured Options

  • Consider the KVH CNS-5000 Inertial Navigation System (INS) when you need a high-performance, 6 degree-of-freedom, fiber optic gyro-based motion sensing package ideally suited for motion control and GNSS-integrated navigation applications.
  • For applications already equipped with GNSS, but requiring a precise, single-enclosure inertial measurement system, check out KVH’s line of high-performance inertial measurement units (IMUs).


Exclusive Technology

  • 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 breakthrough DSP design is covered by multiple patents and overcomes the limitations of analog signal processing, virtually eliminating temperature-sensitive drift and rotation errors.*

* This product is covered by one or more patents, including U.S. Patent #6,429,939, "DSP Signal Processing for Open Loop Fiber Optic Sensors."



Watch the Video

CNS-5000: Choosing the Right FOG to Meet Your Needs



Manuals

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