{"closest_prior_art":[{"name":"Liebherr Crane Planner 2.0","overlap":"Pre-lift 3D planning recalculates crane loads, capacity-related planning data, ground forces, ground-bearing pressures, centers of gravity, and collision warnings as configuration, load, or geometry changes; reports preserve planning data across work steps.","remaining_difference":"The source does not describe uncertainty bands, a mandatory supervisor disposition gate, measured load-attitude or weather consequences, or prediction-versus-realization backtesting that can restrict model use.","source_ids":["SRC2"]},{"name":"R2S digital twin for FPSO lift planning","overlap":"Uses an asset digital twin before execution to assess spatial feasibility, identify structural obstructions, change lift direction, and remove interferences; it reports an operational deployment rather than only a concept.","remaining_difference":"The deployed use is principally visualization and spatial assessment. Predictive load testing and historical-data analytics are identified as future prospects, and no uncertainty-triggered authorization gate or forecast-error calibration loop is documented.","source_ids":["SRC3"]},{"name":"Virtual-reality visualization for heavy mobile-crane planning","overlap":"Primary research reports that traditional heavy-lift path planning can be imprecise and demonstrates computer-based simulation and visualization on an actual petrochemical construction site before the lift.","remaining_difference":"It does not jointly predict capacity, ground reaction, load attitude, and clearance with uncertainty, condition plan release on declared thresholds, or pair predictions with realized measurements for calibration.","source_ids":["SRC4"]},{"name":"ASME P30.1 planning framework","overlap":"Establishes formal planning practices for horizontal and vertical load handling and distinguishes Standard Lift Plans from Critical Lift Plans according to exposure to safety issues.","remaining_difference":"The public description does not prescribe the proposal's digital-twin preview, uncertainty-bearing decision rule, or prediction-versus-realization feedback loop.","source_ids":["SRC1"]}],"contrastive_claim_falsifier":"The contrastive claim is falsified if a preregistered shadow replay shows that adding the uncertainty-triggered disposition gate and calibration return path produces no increase in correct precommitment dispositions over conventional planning plus existing 3D lift-planning tools, misses at least as many realized envelope excursions, or introduces new held-out capacity, ground-reaction, stability, or clearance violations through its recommended changes.","contrastive_claim_remaining":"Existing sources separately establish formal lift-plan categories, pre-lift 3D consequence calculations, collision and ground-pressure checking, digital-twin obstruction assessment, and simulation-based path planning. The remaining contrast is the combined use of declared uncertainty bands to require an accountable revise/delay/escalate/reject/accept disposition before load transfer, followed by systematic pairing of forecast and realized lift states to recalibrate, restrict, or demote the model.","experiment_id":"eoa_inverse_innovation_exp13_second_slot_policy60_20260806","gates":{"adequate_source_search":{"rationale":"The bounded search covered the intervention directly, digital-twin/VR/4D terminology, commercial lift-planning products, an applicable planning standard, and combinations involving simulation, ground pressure, collision clearance, and calibration. Four opened sources span four publishers and include an official standard, two first-party sources, and primary research. This is adequate for a coarse screen, not an exhaustive prior-art search.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"bounded_next_test":{"rationale":"A 20-lift, single-facility, single-crane-class archived shadow replay is finite and measurable. Freezing inputs, model version, thresholds, and scoring before replay permits comparison of calibration error, false blocks, missed excursions, missing inputs, and disposition accuracy without influencing live lifts.","source_ids":["SRC2","SRC3","SRC4"],"status":"PASS"},"distinct_testable_claim":{"rationale":"The retained art makes simulation-assisted pre-lift planning familiar, but does not document the specific uncertainty-conditioned authorization gate plus prediction-realization calibration loop. Its incremental effect can be tested against conventional plans and existing 3D planning outputs on held-out records.","source_ids":["SRC1","SRC2","SRC3","SRC4"],"status":"PASS"},"no_obvious_safety_or_authority_stop":{"rationale":"The proposed first step is archived shadow replay only; it excludes actuation and model-only approval, preserves engineering review, supervisor go/no-go authority and crew stop-work authority, and specifies suspension and fallback conditions. This is compatible with, rather than a replacement for, the established formal lift-planning framework.","source_ids":["SRC1"],"status":"PASS"},"supported_problem":{"rationale":"Primary research characterizes traditional heavy-lift path planning on congested sites as ineffective, time-consuming, and imprecise in many cases; an operational FPSO case reports uncertainty about structural interference before digital-twin use; and Liebherr states that even apparently simple lifts can be more complicated than expected. These support a pre-execution planning gap, although the retained evidence does not quantify how often mismatches first become visible only after load transfer.","source_ids":["SRC2","SRC3","SRC4"],"status":"PASS"}},"prior_art_disposition":"ADJACENT_PRIOR_ART","problem_evidence":{"finding":"The problem is visible but only partly demonstrated at the proposal's full specificity. Sources show imprecise manual heavy-lift path planning, uncertainty about obstructions, and demand for advance collision, load, center-of-gravity, and ground-pressure analysis. They do not establish the frequency or consequence distribution of clearance, stability, capacity, or ground-support discrepancies discovered only after the load leaves support.","source_ids":["SRC2","SRC3","SRC4"],"status":"PARTLY_SUPPORTED"},"research_id":"eoa_inverse_innovation_exp13_light_screen_20260806","schema_version":1,"screen_id":"E13P176","screen_survival":true,"search_lanes":{"component_combination":{"no_result_note":null,"queries":["crane lift plan simulation compare actual measured data digital twin","crane lift digital twin prediction calibration actual measurements research","heavy lift simulation ground pressure collision clearance center of gravity"],"source_ids":["SRC2","SRC3","SRC4"]},"direct_problem_and_intervention":{"no_result_note":null,"queries":["heavy lift digital twin pre-lift simulation crane planning clearance ground bearing pressure load path","\"digital twin\" \"lift planning\" crane"],"source_ids":["SRC2","SRC3","SRC4"]},"products_practices_and_standards":{"no_result_note":null,"queries":["crane lift planning software 3D simulation ground bearing pressure rigging clearance first party","ASME P30.1 Planning for Load Handling Activities Standard Lift Plan Critical Lift Plan"],"source_ids":["SRC1","SRC2"]},"synonyms_and_historical_terms":{"no_result_note":null,"queries":["virtual reality visualization heavy mobile crane planning modular construction","4D lift animation BIM mobile crane heavy lift path planning","computer-based simulation heavy lift path planning"],"source_ids":["SRC3","SRC4"]}},"sources":[{"claims_supported":["Formal load-handling planning is established practice.","Planning is divided into Standard Lift Plan and Critical Lift Plan categories according to exposure to safety issues."],"publisher":"American Society of Mechanical Engineers","source_id":"SRC1","source_type":"OFFICIAL_STANDARD","title":"P30.1-2024: Planning for Load Handling Activities","url":"https://www.asme.org/codes-standards/find-codes-standards/p30-1-planning-load-handling-activities"},{"claims_supported":["Commercial pre-lift software already provides interactive 3D planning, collision warnings, and recalculation after configuration, load, or geometry changes.","The product determines loads, ground forces, ground-bearing pressures, and centers of gravity and creates lift-planning reports."],"publisher":"Liebherr","source_id":"SRC2","source_type":"FIRST_PARTY_PRODUCT","title":"Crane Planner 2.0","url":"https://www.liebherr.com/en-gb/mobile-and-crawler-cranes/service/crane-planner-2-0-4284206"},{"claims_supported":["An operational FPSO case reports uncertainty about structural interference and coordination problems in traditional lift planning.","A deployed digital twin enabled pre-execution obstruction identification and changes such as removing cable trays or selecting lift direction.","Predictive planning and historical-data-based load analytics were described as future prospects rather than current deployed functions."],"publisher":"JF AIS","source_id":"SRC3","source_type":"FIRST_PARTY_PRODUCT","title":"Optimising Lift Planning for FPSO Operations with Digital Twin","url":"https://www.jf-ais.com/insights/case-studies/optimising-lift-planning-for-fpso-operations-with-digital-twin/"},{"claims_supported":["Traditional heavy-lift path planning on congested industrial sites can be ineffective, time-consuming, and imprecise.","Computer simulation and visualization can support critical-lift planning before execution.","The reported VR model was implemented on an actual petrochemical construction site."],"publisher":"arXiv","source_id":"SRC4","source_type":"PRIMARY_RESEARCH","title":"Utilization of Virtual Reality Visualizations on Heavy Mobile Crane Planning for Modular Construction","url":"https://arxiv.org/abs/1901.06248"}],"world_novelty_boundary":"This bounded public-web screen found adjacent art but no retained source documenting the entire uncertainty-gated, authority-linked, forecast-backtested structure. That absence cannot establish world novelty, patentability, market size, expert acceptance, realized safety or economic value, or the absence of relevant patents, proprietary systems, paywalled standards, unpublished practices, or differently described implementations."}