The Ellipse-D represents a sophisticated Inertial Navigation System, featuring a compact design and an integrated dual-antenna RTK GNSS receiver, ensuring precise heading and navigation capabilities. It delivers essential data including Roll, Pitch, Heading, Heave, and Navigation metrics.
Equipped with a MEMS-based Inertial Measurement unit (IMU), the Ellipse-D utilizes an advanced Extended Kalman filter (EKF) to seamlessly combine inertial and GNSS data.Additionally,it can incorporate odometer readings and RTK corrections as supplementary inputs to further refine its navigation accuracy.
Performance Metrics:
- Roll and Pitch accuracy of 0.05° across a full 360° (RTK)
- Heading precision of 0.2° (utilizing Dual Antenna RTK GNSS)
- Real-time Heave measurement within 5 cm, adjusted for wave periods
- RTK GNSS Positioning accuracy of 1 cm / Optional Post-processing Positioning
Notable Features:
- Extremely Low Noise Gyroscopes
- L1/L2 GNSS Receiver capabilities
- Differential Correction support
- Post-processing functionality
- Integration with Odometer systems
- Output Rate of 200 Hz
The Ellipse-D’s accuracy and features are housed within an IP68-rated enclosure, or alternatively, in a lightweight 17-gram OEM version mounted on a PCB.
Precision Dual-Antenna GNSS Receiver for Enhanced Positioning and Heading
The Ellipse-D is engineered to provide a compact and economical solution for applications demanding high-precision heading. Its dual-antenna configuration effectively mitigates common magnetic calibration challenges, making it suitable for environments where magnetic fields may be unreliable, as well as for low-dynamic scenarios.
