Attitude and heading reference systems (AHRS) have been providing heading and attitude information with greater accuracy and reliability than traditional mechanical gyros for years now. But how do these solid-state systems deliver this information, and how do they do so using increasingly smaller and lighter equipment?
How It Works: Attitude and Heading Reference System
Key Takeaways:
- Attitude and Heading Reference Systems (AHRS) provide highly accurate heading and attitude information using solid-state technology, surpassing traditional mechanical gyros.
- AHRS operates by integrating data from micro-electronic mechanical gyros (capturing motion), accelerometers (providing attitude reference and correcting gyro drift using gravity), and magnetometers or flux valves (supplying heading information using Earth's magnetic field).
- The system aggregates this information and performs complex algorithms to deliver reliable data, becoming significantly smaller, lighter, and more affordable due to advancements in the automotive industry.
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