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Task Force Update: Crisis Resolution Strategy for AB-OP Team Project

Learn about the current crisis situation with errors in commissioning, incorrect values, and lack of modeling, and how to address them effectively. Get insights on work packages, tools, and background tasks for data validation and correction. Find out how to improve the project status promptly.

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Task Force Update: Crisis Resolution Strategy for AB-OP Team Project

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  1. FiDeL - task force 17 April 2008

  2. Overall status

  3. Why a crisis now ? • The AB-OP team (LSA) runs the commissioning with the theoretical transfer functions derived from the layout file • Constant B/I • Wrong values by several % • The errors (dipoles) are not modeled • Circuit parametrization is requested for now, only NS is working on this

  4. How to get out of the blues • Jump to the objective • Use the present data structure (not complete, not completely coherent) • Split the magnets in families (see table) • Assign a responsible and cognizable person to each family, who • Looks for the data (wherever the data is, in whichever form) and sorts it • Models the data to extract fit parameters • Judges whether the fit is appropriate/stable/good • Tests the model • Provides as a result the set of parameters in the presently defined format to AB-OP who centralizes this result

  5. What is the work ?

  6. Packages of work • Each package requires about 3 pmw • Excel tool for model evaluation: PH • MB: NS • MQ: TBD • MQM: NCL (help from WVD for the data) • MQY: NCL (help from WVD for the data) • D1…D4: JM • MQX: ET • MQW: GdR ? - data provided by MB • MBW MBXW, MCBW: TBD - data provided by MB • Correctors: VR+RW (internal split) (help from WVD for the data) • Dynamic model: NS • Book-keeping of data, www page: LD • Cycling specification: RW+GD

  7. Background tasks • Complete the data validation, correction when necessary, indexing and storage. Coordinated by RW • Define and execute dedicated measurement programs. Coordinated by AV • Snap-back correlation with FAME • Tracking re-test (LSA validation, b3/B2 tracking in SSS) • Low current and cycle dependence for MQM and MQY (vertical and horizontal)

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