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3DM-RQ1-45™ Ruggedized Tactical Grade GPS/INS

By LORD Microstrain

• LORD Microstrain 3DM-RQ1-45™
• High performance
• Dual on-boardprocessors
• Ruggedized enclosure designed to meet DO-160G for deployment in harsh environments
• Fully calibrated
• Temperature-compensated
• Compact, low profile, and lightweight

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The 3DM-RQ1-45™ is a high-performance, ruggedized Inertial-Aided GPS Navigation System (GPS/INS) that combines micro inertial sensors and a high-sensitivity embedded Global Positioning System (GPS) receiver for use in a wide range of tactical grade applications,. The 3DM-RQ1-45TM has been tested to meet the DO-160G Environmental Conditions and Test Procedures for Airborne Equipment, making it suitable for outdoor and harsh environments. There are two models available: the standard model which has a temperature range of-40 °C to 80 °C and includes magnetometers, and a low temperature model that can be used in environments as cold as -55 °C but does not include magnetometers.
The 3DM-RQ1-45TM utilizes the strengths of integrated multi-axis gyroscopes, accelerometers, and magnetometers (as applicable) in combination with GPS, and temperature readings to provide highly accurate attitude and inertial measurements. Each of the integrated sensors is especially good at certain tasks, and it is the weighted combination of their outputs that provides the best estimations for position, velocity, and attitude. All sensor measurements are temperature compensated and are mathematically aligned to an orthogonal coordinate system. The combination of sensors, environmental compensation, and dual on-board processing with an Extended Kalman Filter (EKF) allows the 3DM-RQ1-45TM to perform well in a wide variety of applications that require low noise, drift, gain, and offset errors. Uncertainty monitoring, scale factor estimation, and bias estimation outputs are available, and settings for sensor filtering, sensor noise, sensor bias, and more offer many adjustments for specific application needs.

The 3DM-RQ1-45TM communicates through a serial connection and is monitored by a host computer. Sensor measurements and computed outputs can be viewed and recorded with the LORD MicroStrain® MIPTM Monitor software that is provided with system starter kits and also available as a free download from the LORD MicroStrain® website. Alternatively, users can write custom software with the LORD MicroStrain® open source data communication protocol. The data is time-aligned and available by either polling or continuous stream.

• High performance integrated GPS receiver and MEMS sensor technology provide direct and computed PVA outputs in a small package.
• Triaxial accelerometer, gyroscope, magnetometer, and temperature sensors, and a pressure altimeter achieve the best combination of measurement qualities.
• Dual on-board processors run a sophisticated Extended Kalman Filter (EKF) for excellent position, velocity, and attitude estimates.
• Ruggedized enclosure designed to meet DO-160G for deployment in harsh environments