{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9593962","patent":{"patent_number":"US-9593962","title":"Systems and methods for attitude fault detection based on integrated GNSS/inertial hybrid filter residuals","assignee":null,"inventors":[],"filing_date":"2014-12-09T00:00:00.000Z","publication_date":"2017-03-14T00:00:00.000Z","cpc_codes":["G01C","G05D","G05D","G07C"],"num_claims":20,"abstract":"Systems and methods for attitude fault detection based on integrated GNSS/inertial hybrid filter residuals are provided. In one embodiment, a fault detection system for aircraft attitude measurement system comprises: a sensor monitor coupled to a first inertial measurement unit, the sensor monitor comprising: a navigation error model for the first inertial measurement unit, the model configured to model a plurality of error states including at least an attitude error state vector, an velocity error state vector, and a position error state vector determined from data generated by the first inertial measurement unit; and a propagator-estimator configured to propagate and update error states based on GNSS data; and a residual evaluator configured to input measurement error residual values generated by the propagator-estimator, wherein the residual evaluator outputs an alert signal when the measurement error residual values exceed a threshold."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems and methods for attitude fault detection based on integrated GNSS/inertial hybrid filter residuals","description":"Systems and methods for attitude fault detection based on integrated GNSS/inertial hybrid filter residuals are provided. In one embodiment, a fault detection system for aircraft attitude measurement s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9593962","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9593962","citation_suggestion":"Patentable. \"Systems and methods for attitude fault detection based on integrated GNSS/inertial hybrid filter residuals\" (US-9593962). https://patentable.app/patents/US-9593962","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9593962","json":"https://patentable.app/api/llm-context/US-9593962","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:31:49.053Z"}