IMU & NAV

Inertial Measurement Sensors are used in a wide variety of applications. Those include Inertial Measurement Units (IMU) and Navigation Systems (NAV).

We offer a broad range of high quality and reliable IMU and Navigation systems of our leading global partners.

Geodetics is an expert in Navigation systems and advanced sensing systems. Geodetics precise Positioning, Navigation and Timing (PNT) solutions are designed to address a wide range of requirements for Air, Sea and Land, including high speed pointing/attitude and relative position/angle applications.

Memsic Inc. a world leader in MEMS sensors technology. Memsic’s inertial systems provide end-users and systems integrators with fully-qualified MEMS-based solutions for measurement of static and dynamic motion in a wide variety of challenging environments, including; avionics, remotely operated vehicles, agricultural and construction vehicles and automotive test.

 

 

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440

MEMSIC IMU440 – MEMS INERTIAL MEASUREMENT UNIT

The Memsic IMU440 is a high-reliability low power strapdown inertial system providing accurate measurement of angular rate and linear acceleration in dynamic environments, with output data also available in delta theta and delta velocity format. The IMU440 is offered in standard and high range sensor configurations to allow the best match for the user’s application.

 

Key Features:

  • 3-Axis Angular Rate and 3-Axis Linear Acceleration Outputs
  • Delta Theta and Delta Velocity Outputs
  • Bias In-Run Stability < 10 deg/hr
  • Output Data Rate > 100 Hz
  • High-Range Sensor Options (400 deg/sec and 10g)
  • Low Power < 3W
  • High Reliability, MTBF > 25,000 hours
  • Analog Output Option
  • Rugged Sealed Enclosure

 

nav440

MEMSIC NAV440 – GPS-AIDED MEMS INERTIAL SYSTEM

The Memsic NAV440 is a fully-integrated GPS-aided attitude & heading reference system and GPS navigation solution. The NAV440 provides full inertial data (angles, rates, accels) and GPS position, along with inertially derived velocity that provides significant improvement in stability and latency compared with stand-alone GPS velocity measurements.

Key Features:

  • Complete GPS-Aided AHRS Solution
  • Accuracy < 0.2 deg
  • Output Data Rate > 100Hz
  • High-Range Sensor Options (400 deg/sec and 10g)
  • WAAS and EGNOS Enabled GPS
  • Low Power < 4W
  • High Reliability, MTBF > 25,000 hours
  • Analog Output Option
  • Rugged Sealed Enclosure
  • DO-160D Environments

Geodetics Geo – iNAV

The Geo-iNAV® is a high-performance, rugged GPS-aided inertial navigation system. The Geo-iNAV tightly couples an RTK-enabled dual-frequency GPS sensor with a wide range of IMU’s including fiber-optic gyro and ring- laser gyro IMU’s for the highest levels of accuracy. The Geo-iNAV provides on-board data recording and hosting of user applications via the SDK. Geo-iNAV is designed to meet a wide range of Air, Land and Sea requirements.

Key Features:

  • Simple integration
  • RTK enabled dual-frequency GPS
  • Wide range of supported IMU’s
  • Tight-coupling with Geodetics’ Extended Kalman Filter
  • On-board data recording
  • Post-processing support with RTD-Post
  • In-motion dynamic alignment
  • Wander Azimuth frame
  • RS-232, RS422 and Ethernet (TCP/UDP) interfaces
  • Includes GPS antenna and cables

Geodetics Geo – iNAV 1000

The Geo-iNAV® 1000 is a low-cost, rugged GPS-aided inertial navigation system. The Geo-iNAV 1000 tightly couples a single-frequency GPS sensor with a high-stability Quartz MEMS IMU to provide a high-performance navigation solution in challenging environments.

Key Features:

  • Simple integration
  • Single-frequency GPS
  • Internal high-accuracy Quartz MEMS IMU
  • Tight-coupling with Geodetics’ Extended Kalman Filter
  • In-motion dynamic alignment
  • Wander Azimuth frame
  • RS-232, RS422 and Ethernet (TCP/UDP) interfaces
  • ITAR Free
  • Includes GPS antenna and cables

Geodetics Geo – PNT

The Geo-PNT® is an innovative and efficient solution for applications that need precise navigation data, as well as accurate time reference.  The Geo-PNT combines a high performance, versatile, GPS master clock with an accurate inertial navigation system that delivers position, navigation and timing (PNT) under all circumstances, including temporary loss of GPS, typical of dynamic platforms. The Geo-PNT minimizes size, weight and power (SWaP) due to the integration of positioning and timing that are typically achieved by two independent subsystems.

Key Features:

  • GPS-aided inertial navigation and timing
  • High performance internal timebase
  • Software configurable timing interfaces
  • NTP network synchronization protocol
  • Precise 1 PPS, 10 MHz and other timing signals
  • Simple integration
  • Ruggedized form factor (MIL-STD-810G)
  • RTK enabled dual-frequency GPS
  • Wide range of supported IMU’s
  • Tight-coupling with Geodetics’ Extended Kalman Filter
  • In-motion dynamic alignment
  • Wander Azimuth frame
  • RS-232 and Ethernet (TCP/UDP) RS-422 optional
  • Includes GPS antenna and cables

Geodetics Geo – Pointer

The Geo-Pointer is a rugged, high-accuracy GPS-based heading system for use on applications where an inertial heading solution is difficult to obtain such as on stationary or slowly moving platforms. The system utilizes highly accurate relative positions between two GPS antennas mounted on a platform to compute precise heading information.

Key Features:

  • Determines attitude of any rigid structure to which it is attached
  • Completely autonomous – no external reference is needed for attitude
  • Simple integration
  • Calibration mode automatically computes antenna separation
  • Not sensitive to magnetic field
  • Complements inertial guidance systems in that there are no long term drifts
  • Includes GPS antennas and cables

Geodetics Geo – RelNAV

Geo-RelNAV® is a unique navigation system that provides relative navigation information between moving platforms. Information computed by the system includes values such as relative velocity (closure rate) and relative orientation.  This information can be used for applications including autonomous aerial refueling, autonomous shipboard landing, vehicle platooning and UAV swarming.

The system natively provides solutions in the correct, non-inertial reference frame. Solutions are available via serial and/or Ethernet (both TCP and UDP) providing convenient input to external systems as well as the tools for analysis engineers to monitor the data in real-time using standard monitoring and recording tools. Geo-RelNAV® provides R-TSPI in different frames, including body-frame, local navigation frame (wander-azimuth) and earth-fixed frame, as well as transferring the solution to arbitrary points of interest on the platform.

Key Features:

  • Each Geo-RelNAV® system includes 2 subsystems, primary and secondary.
  • Size/ Weight/Power – 33.8 in3 (3.95×3.05×2.06) / 14.4 oz. / 10 – 30 VDC @ 2 Amps min. (each subsystem, not including external IMU).
  • Temperature Range – Specified: -20°C to +60°C | Operating: -40°C to +70°C.
  • Interfaces – External power connector, TNC GPS antenna connector, 1 Ethernet data port, 3 RS-232 serial ports, 1PPS output, 4 status LEDs.
  • Real-Time Data Output – Navigation solutions at IMU rate (depending on data link throughput) available via Ethernet, RS-232.
  • Data Recording/Logging – Navigation solutions, raw sensor data, diagnostics.
  • Web User Interface (status, configuration, log, SW update).