{"public_id":"cl_7233813df8f8a9b8e395e6283078e72b","status":"active","superseded_by_public_id":null,"corpus_id":107145025,"text":"Compares single-stage and dual-stage servomechanism designs and presents their relative pros and cons.","confidence":0.95,"paper":{"corpus_id":107145025,"title":"Hard Disk Drive: Mechatronics and Control","url":"https://sah.borca.ai/papers/107145025"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.95,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_3a71d8797cb97420d51a81387dbb6d7f","name":"dual-stage servomechanisms","description":"Servo positioning systems that combine two actuation stages for finer control.","types":["control architecture"],"url":"https://sah.borca.ai/concepts/co_3a71d8797cb97420d51a81387dbb6d7f"},{"public_id":"co_a8255bb836f892afa9c52479fea08f72","name":"single-stage servomechanisms","description":"Servo positioning systems that use a single actuation stage for control.","types":["control architecture"],"url":"https://sah.borca.ai/concepts/co_a8255bb836f892afa9c52479fea08f72"},{"public_id":"co_d44f066cf540dbdfb663c5f2cfddd4b6","name":"design approaches","description":"Alternative engineering strategies used to realize the servomechanism designs discussed in the book.","types":["approach"],"url":"https://sah.borca.ai/concepts/co_d44f066cf540dbdfb663c5f2cfddd4b6"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_7233813df8f8a9b8e395e6283078e72b"}