{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11271397","patent":{"patent_number":"US-11271397","title":"System state estimation device and system state estimation method","assignee":null,"inventors":[],"filing_date":"2017-06-08T00:00:00.000Z","publication_date":"2022-03-08T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J","H02J","H02J"],"num_claims":15,"abstract":"A system state estimation device according to the present invention includes: a classification unit that classifies first meter data into a plurality of groups, the first meter data being meter data metered in a first time zone by at least some of a plurality of smart meters; a statistic calculation unit that calculates variation of the first meter data for each of the groups; used data determination unit that determines, for each of the groups, whether to use meter data in a second time zone or a substitute value in estimation computation for estimating a system state in the second time zone on the basis of the variation; and an aggregation unit and a power flow calculation unit that perform the estimation computation on the basis of a result of determination performed by the used data determination unit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"System state estimation device and system state estimation method","description":"A system state estimation device according to the present invention includes: a classification unit that classifies first meter data into a plurality of groups, the first meter data being meter data m","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11271397","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-11271397","citation_suggestion":"Patentable. \"System state estimation device and system state estimation method\" (US-11271397). https://patentable.app/patents/US-11271397","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11271397","json":"https://patentable.app/api/llm-context/US-11271397","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T03:14:36.318Z"}