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How It Works: Attitude and Heading Reference System

Gemini Sparkle

Key Takeaways:

  • AHRS provides accurate heading and attitude information using solid-state technology, surpassing traditional mechanical gyros.
  • It integrates data from micro-electronic mechanical gyros (for motion), accelerometers (for drift correction and attitude reference), and a magnetometer or flux valve (for heading).
  • Complex algorithms process this aggregated data from various components to deliver highly reliable attitude and heading information.
  • Technological advancements, particularly from the automotive industry, have made AHRS significantly smaller, lighter, and more affordable.
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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?

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