{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XLP7757OXAJJ44PTA6RXY6W4OP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"cc13660813392f63328b804b6eb6da5b14a343f3f5a051a85c4869f306d7ee61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2017-09-26T08:52:04Z","title_canon_sha256":"2cff591a28505091f67f49c86db3b32f0666114513d28fb97af1edb478f5da6a"},"schema_version":"1.0","source":{"id":"1709.08893","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.08893","created_at":"2026-05-18T00:22:20Z"},{"alias_kind":"arxiv_version","alias_value":"1709.08893v2","created_at":"2026-05-18T00:22:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.08893","created_at":"2026-05-18T00:22:20Z"},{"alias_kind":"pith_short_12","alias_value":"XLP7757OXAJJ","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XLP7757OXAJJ44PT","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XLP7757O","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:d0c481d41a6c1bac6681db9b3e4f319a1df46ce7ff072d5acf9957ddfc886132","target":"graph","created_at":"2026-05-18T00:22:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Distributed approaches to secondary frequency control have become a way to address the need for more flexible control schemes in power networks with increasingly distributed generation. The distributed averaging proportional-integral (DAPI) controller presents one such approach. In this paper, we analyze the transient performance of this controller, and specifically address the question of its performance under noisy frequency measurements. Performance is analyzed in terms of an H2 norm metric that quantifies power losses incurred in the synchronization transient. While previous studies have s","authors_text":"Emma Tegling, Hendrik Flamme, Henrik Sandberg","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2017-09-26T08:52:04Z","title":"Performance Limitations of Distributed Integral Control in Power Networks Under Noisy Measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.08893","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a603ebd275a8510c7355b6dd514f2be9168d257f93d404ddb7b7a4a1e9e2b829","target":"record","created_at":"2026-05-18T00:22:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"cc13660813392f63328b804b6eb6da5b14a343f3f5a051a85c4869f306d7ee61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2017-09-26T08:52:04Z","title_canon_sha256":"2cff591a28505091f67f49c86db3b32f0666114513d28fb97af1edb478f5da6a"},"schema_version":"1.0","source":{"id":"1709.08893","kind":"arxiv","version":2}},"canonical_sha256":"badffff7eeb8129e71f307a37c7adc73cdc9fb6c3bb61a883fb0ba9fa9a6bbcc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"badffff7eeb8129e71f307a37c7adc73cdc9fb6c3bb61a883fb0ba9fa9a6bbcc","first_computed_at":"2026-05-18T00:22:20.731703Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:20.731703Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WJvfOp/g6ayz7HyCIv1/tGfQkQDv1KPdgyiJsw33BrM8bFrphcFj07JbTI4F/TGbIJfNRy/kfOZIW7ehk8zCBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:20.732373Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.08893","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a603ebd275a8510c7355b6dd514f2be9168d257f93d404ddb7b7a4a1e9e2b829","sha256:d0c481d41a6c1bac6681db9b3e4f319a1df46ce7ff072d5acf9957ddfc886132"],"state_sha256":"e59e27aef59399b3a64d442b9a89d648e4cdafedec8d76c323b241fe6563e285"}