Vibration tolerant accelerometer for railway
Featured Product from Tronics Microsystems
AXO®315 closed-loop accelerometer features high linearity (80ppm) and strong vibration rejection (20µg/g²) for precise acceleration and tilt measurements under railway vibrations. It provides a 1mg composite bias repeatability and 600ppm composite scale-factor repeatability over 1 year. Its 24bit SPI interface features a continuous self-test for safety applications.
Vibration tolerant digital MEMS accelerometer for railway
Precise acceleration / deceleration and tilt measurements in railway environment requires a strong tolerance and rejection of vibrations. Tronics Microsystems' AXO315 is a 1-axis, closed-loop digital MEMS accelerometer that was designed to provide high precision and reliability in severe railway temperature, shocks and vibrations conditions. Its 24 bit SPI output also provides a continuous self-test for safety critical applications such as GNSS-assisted positioning and autonomous navigation.
Main applications
- INS for GNSS-assisted positioning of trains
- INS for GNSS-assisted navigation of autonomous trains
- IMU for acceleration/deceleration measurement and odometer back-up
- Servo-inclinometer for precise motion and tilt control
Main features and benefits
- Continuous self-test
- 80ppm scale factor non linearity over ±14 g range
- 20µg/g² Vibration Rectification Error under 4.12 g rms vibrations [10-2000Hz]
- 1-year composite bias repeatability of 1 mg over -55 °C / +105 °C and vibrations
- 600 ppm composite scale factor repeatability
- Hermetic SMD component for standard SMT assembly on FR4 board
- 24 bit digital SPI interface: simple integration with no ADC required and easier system calibration.
- Fully hard-coded electronic, no embedded software, to ease system certification
- Non-classified under dual use applications enabling civil usage without export license.
For more information:
