LITEF stands at the forefront of developing navigation and positioning solutions for tactical UAVs (unmanned aerial vehicles), leveraging state-of-the-art MEMS and FOG technologies. Our products, which are free from ITAR restrictions, meet the highest aviation safety certifications, including DO-178C Level A, DO-254 Level A, DO-160, and corresponding military standards.
Manufactured in Germany, our robust systems are engineered to enhance precision while minimizing SWaP (size, weight, and power) without compromising durability or dependability. For over sixty years, LITEF products have been delivered to a diverse clientele globally, continuously evolving to set new benchmarks for performance and excel in the most challenging operational environments.
µIMU
Compact Three-Axis MEMS Inertial Measurement unit
The µIMU is a elegant, compact, and self-sufficient IMU that integrates three MEMS gyroscopes and three MEMS accelerometers within a durable, hermetically sealed casing. Featuring a digital RS-422/HDLC interface, it seamlessly integrates into various UAV and unmanned systems, making it perfect for flight control, platform stabilization, and higher-order system integration like AHRS.
This adaptable IMU comes wiht multiple performance and measurement range configurations.
FOG IMUs
Durable IMUs with Modular Design
Our FOG IMUs feature three axes of gyroscopes for rotational measurements and three axes of accelerometers for linear acceleration, along with processing electronics, power supply, and I/O interfaces.Beyond the standard configuration, we can develop custom designs tailored to your specific UAV navigation, guidance, and stabilization needs.Enhanced performance can also be achieved by integrating GPS and GNSS receivers to support inertial navigation.
Thes advanced FOG sensors are devoid of moving parts, ensuring exceptional durability and reliability in high-shock and vibration environments, providing extended service life without the need for regular maintenance.
LCR-350B AHRS
High-precision MEMS AHRS with Optional GNSS Support
The LCR-350B is a MEMS-based AHRS (Attitude and Heading Reference System) engineered to deliver top-tier safety and reliability in a compact, lightweight format. It provides robust acceleration and rotation data, as well as heading and attitude angles, making it suitable for both fixed-wing and rotary UAV platforms. The system can derive heading reference from an external magnetometer and can also output hybrid navigation data with the assistance of an external GNSS source.
This rugged AHRS is designed to resist high-frequency radiation such as radar and endure meaningful shock and vibration levels. It employs an ARINC 429 interface and is certified according to ETSO/TSO C-201 standards.
B-290 MEMS Accelerometer
Three-axis MEMS Accelerometer for Inertial system Development
The B-290 is a durable, low-SWaP three-axis MEMS accelerometer designed for developers to create their own AHRS and INS for aerial, terrestrial, and marine robotics. The sensor features advanced electronics, including a digital signal processor for force rebalancing, and built-in software for temperature compensation of bias and scale factor.Housed in a hermetically sealed enclosure, it outputs acceleration data through a digital serial interface.
LCR-100 FOG AHRS
FOG-Based AHRS with Optional GNSS Support
The LCR-100 AHRS integrates three axes of FOG gyroscopes and MEMS accelerometers to deliver an advanced attitude and heading reference capability with autonomous gyrocompassing, eliminating the need for magnetic sensors for heading alignment.
This low-SWaP sensor can also process data from an external GNSS receiver, providing hybrid navigational output for improved performance.
The highly reliable unit meets stringent UAV and aviation standards, boasting certifications such as DO-178 B Level A, DO-254 level A, and DO-160 E, with a rated MTBF exceeding 15,000 hours. It also features easily accessible digital failure history stored in solid-state memory for more efficient maintenance.
LCR-110 Inertial Reference System
FOG-Based IRS with Optional GNSS Support
The LCR-110 is a compact and lightweight inertial reference system that combines MEMS accelerometers,fiber optic gyroscopes,and data from external GNSS receivers to provide heading,attitude,and navigation data for fixed-wing and helicopter UAVs.Utilizing AAIM (Aircraft Autonomous Integrity Monitoring) technology,it enhances confidence in position estimation.
This highly reliable unit is certified to ETSO/TSO-C201, ETSO/TSO-C196a, DO-178 C Level A, DO-254 Level A, and DO-160 G, with a rated MTBF of over 25,000 hours.
