{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10502573","patent":{"patent_number":"US-10502573","title":"Heading inconsistency mitigation for inertial navigation using low-performance inertial measurement units with relative aiding","assignee":null,"inventors":[],"filing_date":"2018-01-09T00:00:00.000Z","publication_date":"2019-12-10T00:00:00.000Z","cpc_codes":["G01C","G01C","G01C"],"num_claims":5,"abstract":"A method of mitigating filter inconsistency of a heading estimate in an inertial navigation system is provided. The method includes inputting inertial measurements from at least one low-performance inertial measurement unit (IMU) in the inertial navigation system; inputting an initial-heading from at least one heading-information source; inputting an initial-heading uncertainty level associated with an error in the inputted initial-heading; initializing an initial-heading estimate with the inputted initial-heading; initializing an initial-heading uncertainty estimate with the inputted initial-heading uncertainty level; initializing an accumulated heading-change estimate to zero at a startup of the at least one low-performance IMU; and initializing an accumulated heading-change uncertainty estimate with an initial accumulated heading-change uncertainty level that is a value less than the inputted initial-heading uncertainty level; and periodically updating the accumulated heading-change estimate with the inertial measurements input from the at least one low-performance IMU."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Heading inconsistency mitigation for inertial navigation using low-performance inertial measurement units with relative aiding","description":"A method of mitigating filter inconsistency of a heading estimate in an inertial navigation system is provided. The method includes inputting inertial measurements from at least one low-performance in","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10502573","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-10502573","citation_suggestion":"Patentable. \"Heading inconsistency mitigation for inertial navigation using low-performance inertial measurement units with relative aiding\" (US-10502573). https://patentable.app/patents/US-10502573","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10502573","json":"https://patentable.app/api/llm-context/US-10502573","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:21:28.759Z"}