{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:WOMMB3SBY53K4BHYLEA5SBMFZH","short_pith_number":"pith:WOMMB3SB","schema_version":"1.0","canonical_sha256":"b398c0ee41c776ae04f85901d90585c9e764d359d40023b231ee17d7123346f3","source":{"kind":"arxiv","id":"2505.16939","version":1},"attestation_state":"computed","paper":{"title":"Delayed dynamic-feedback controller design for multi-frequency vibration suppression","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SY","math.OC"],"primary_cat":"eess.SY","authors_text":"Adam Peichl, Adrian Saldanha, Tom\\'a\\v{s} Vyhl\\'idal, Wim Michiels","submitted_at":"2025-05-22T17:28:51Z","abstract_excerpt":"We present a methodology for designing a dynamic controller with delayed output feedback for achieving non-collocated vibration suppression with a focus on the multi-frequency case. To synthesize the delay-based controller, we first remodel the system of equations as a delay-differential algebraic equation (DDAE) in such a way that existing tools for design of a static output feedback controller can be easily adapted. The problem of achieving non-collocated vibration suppression with sufficient damping is formulated as a constrained optimization problem of minimizing the spectral abscissa in t"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2505.16939","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2025-05-22T17:28:51Z","cross_cats_sorted":["cs.SY","math.OC"],"title_canon_sha256":"b97b7a4ff29fbfe74484c17a838bba139ad6c5a562bd2927390403173f87e927","abstract_canon_sha256":"d980b3db343430620d47eb9da704686ae740364c0ba4caebb58e9bb62453945d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:07:43.550746Z","signature_b64":"nYvIZew2/fp/zb75+8pzqIUNBg5KLBlUTRFZU9G9GY4G11It3p4uCCN+BOdSO12ZjnviRThc1iOcP+lHScRHDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b398c0ee41c776ae04f85901d90585c9e764d359d40023b231ee17d7123346f3","last_reissued_at":"2026-07-05T11:07:43.550163Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:07:43.550163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Delayed dynamic-feedback controller design for multi-frequency vibration suppression","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SY","math.OC"],"primary_cat":"eess.SY","authors_text":"Adam Peichl, Adrian Saldanha, Tom\\'a\\v{s} Vyhl\\'idal, Wim Michiels","submitted_at":"2025-05-22T17:28:51Z","abstract_excerpt":"We present a methodology for designing a dynamic controller with delayed output feedback for achieving non-collocated vibration suppression with a focus on the multi-frequency case. To synthesize the delay-based controller, we first remodel the system of equations as a delay-differential algebraic equation (DDAE) in such a way that existing tools for design of a static output feedback controller can be easily adapted. The problem of achieving non-collocated vibration suppression with sufficient damping is formulated as a constrained optimization problem of minimizing the spectral abscissa in t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.16939","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2505.16939/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2505.16939","created_at":"2026-07-05T11:07:43.550221+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.16939v1","created_at":"2026-07-05T11:07:43.550221+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.16939","created_at":"2026-07-05T11:07:43.550221+00:00"},{"alias_kind":"pith_short_12","alias_value":"WOMMB3SBY53K","created_at":"2026-07-05T11:07:43.550221+00:00"},{"alias_kind":"pith_short_16","alias_value":"WOMMB3SBY53K4BHY","created_at":"2026-07-05T11:07:43.550221+00:00"},{"alias_kind":"pith_short_8","alias_value":"WOMMB3SB","created_at":"2026-07-05T11:07:43.550221+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WOMMB3SBY53K4BHYLEA5SBMFZH","json":"https://pith.science/pith/WOMMB3SBY53K4BHYLEA5SBMFZH.json","graph_json":"https://pith.science/api/pith-number/WOMMB3SBY53K4BHYLEA5SBMFZH/graph.json","events_json":"https://pith.science/api/pith-number/WOMMB3SBY53K4BHYLEA5SBMFZH/events.json","paper":"https://pith.science/paper/WOMMB3SB"},"agent_actions":{"view_html":"https://pith.science/pith/WOMMB3SBY53K4BHYLEA5SBMFZH","download_json":"https://pith.science/pith/WOMMB3SBY53K4BHYLEA5SBMFZH.json","view_paper":"https://pith.science/paper/WOMMB3SB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.16939&json=true","fetch_graph":"https://pith.science/api/pith-number/WOMMB3SBY53K4BHYLEA5SBMFZH/graph.json","fetch_events":"https://pith.science/api/pith-number/WOMMB3SBY53K4BHYLEA5SBMFZH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WOMMB3SBY53K4BHYLEA5SBMFZH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WOMMB3SBY53K4BHYLEA5SBMFZH/action/storage_attestation","attest_author":"https://pith.science/pith/WOMMB3SBY53K4BHYLEA5SBMFZH/action/author_attestation","sign_citation":"https://pith.science/pith/WOMMB3SBY53K4BHYLEA5SBMFZH/action/citation_signature","submit_replication":"https://pith.science/pith/WOMMB3SBY53K4BHYLEA5SBMFZH/action/replication_record"}},"created_at":"2026-07-05T11:07:43.550221+00:00","updated_at":"2026-07-05T11:07:43.550221+00:00"}