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Wednesday, August 12, 2020 | History

2 edition of An expert system to perform on-line controller restructuring for abrupt model changes found in the catalog.

An expert system to perform on-line controller restructuring for abrupt model changes

An expert system to perform on-line controller restructuring for abrupt model changes

  • 231 Want to read
  • 19 Currently reading

Published by National Aeronautics and Space Administration, US Army Aviation Systems Command, Aviation R&T Activity, National Technical Information Service, distributor in [Washington, DC], [St. Louis, Mo.], [Springfield, Va .
Written in English

    Subjects:
  • Adaptive control.,
  • Aircraft control.,
  • Control systems design.,
  • Expert systems.,
  • Feedback control.,
  • On-line systems.,
  • Real time operation.

  • Edition Notes

    StatementJonathan S. Litt.
    SeriesNASA technical memorandum -- 103609., AVSCOM technical report -- 90-C-018., AVSCOM technical report -- 90-C-18.
    ContributionsUnited States. Army Aviation Research and Technology Activity., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15402275M

    An Expert System to Perform On-Line Controller Restructuring for Abrupt Model Changes Regular Price: $ Member price: $ Enhanced APU For The H Series and SH-2G Helicopters Regular Price: $ Member price: $ Webpage on Management Functions, Human Resource Management, Economic and Social Environment, Accounting and Finance for Managers, Marketing, Management Information System, Quantitative Analysis, Management Economics, Organisational Design Development & Change, Strategic Management, Social Processes and Behavioural issues, Human Resource Development, HR .

    Expert systems work best when a human expert is available to work with software developers for a considerable amount of time in imparting the expert’s knowledge to the expert system software. Also, an expert’s knowledge must be appropriate for codification into software rules (i.e. the expert must be able to explain his/her decision process. Also presented are the advanced control system architecture for the T engine, an expert system to perform on-line controller restructuring for abrupt model changes, an enhanced APU for the H series and Sh-2G helicopters, and a linear theory of the North Atlantic blocking during January

    USB2 US11/, USA USB2 US B2 US B2 US B2 US A US A US A US B2 US B2 US B2 Authority US United States Prior art keywords based unit microprocessor blood glucose program instructions Prior art date Legal status (The legal status is an assumption and is . I Review multivariable control system structures and notation. Process System Models Closed-loop control system design has several objectives: to achieve a stable closed-loop system, to ensure that the process output is close to a desired setpoint value, to reject output variable fluctuations due to process disturbance inputs, and to filter.


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An expert system to perform on-line controller restructuring for abrupt model changes Download PDF EPUB FB2

An Expert System to Perform On-Line Controller Restructuring for Abrupt Model Changes Jonathan S. Litt Propulsion Directorate U.S. Army Aviation Systems Command Lewis Research Center Cleveland, Ohio OTIC i: i ECTE-- OT30 Prepared for the. AN EXPERT SYSTEM TO PERFORM ON-LINE CONTROLLER RESTRUCTURING FOR ABRUPT MODEL CHANGES* Jonathan Litt Propulsion Directorate U.S.

Army Aviation Systems Command Lewis Research Center Cleveland, OH ABSTRACT Work in progress on an expert system used to reconfigure and tune airframe/engine control systems on-line in real time in. An expert system to perform on-line controller restructuring for abrupt model changes Article (PDF Available) February with 16 Reads How we measure 'reads'Author: Jonathan Litt.

Get this from a library. An expert system to perform on-line controller restructuring for abrupt model changes. [United States. Army Aviation Research and Technology Activity.; United States. National Aeronautics and Space Administration.;].

Authors / Details: Jonnathan S. Litt, Propulsion Directorate, Lewis Research Center, US Army Aviation Systems Command Recently Viewed Items An Expert System to Perform On-Line Controller Restructuring for Abrupt Model Changes. An expert system to perform on-line controller restructuring for abrupt model changes.

By Jonathan Litt. Abstract. This paper presents the work in progress on an expert system utilized to tune and reconfigure airframe/engine control systems on-line in real time in response to structural or battle damage failures.

The closed loop system is. The technical committee on mechatronics formed by the International Federation for the Theory of Machines and Mechanisms, in Prague, Czech Republic, adopted the following definition for the term: Mechatronics is the synergistic combination of precision mechanical engineering, electronic control and systems thinking in the design products and manufacturing process.

The objective of this study is to develop a Model-Object Based Supervisory Expert Control System (MOBECS) t h a t is ca pable of providing fault tolerant, robust control of a chemical reactor under internal model control. The KBS must be capable of identifying faults in the process or control system and isolat ing the root cause.

For this exercise you will analyze the control systems used by a real organization such as a department store, restaurant hospital, police department, or small business. Your objective is to uncover all the different ways in which managers monitor and evaluate the.

Deduct $3, from the book balance of cash. Add $3, to the bank statement balance. Add $7, to the book balance of cash. Deduct $3, from the bank statement balance. Add 3, to the book balance of cash.

Restructuring, downsizing Changes in accounting policies. What is monitoring in the internal control system. A computer program may perform many tasks that are deemed incompatible.

What is the problem with accounting records in an IT context. No audit trail is readily apparent. Despite a decade or more of restructuring and downsizing, many U.S. companies are still unprepared to operate in the s. In a time of rapidly changing technologies and ever-shorter product life.

To perform efficiently, such control systems require a control element to manipulate the problem environment, an analysis element to recognize changes in the problem environment, and a learning element to adjust to the changes in the problem environment.

Details of an overall adaptive control system are discussed. Analysis and synthesis of fault-tolerant control systems Magdi S Mahmoud, Yuanqing Xia. Year: Publisher: Wiley. Language: english. Pages: model faults estimation design analysis tolerant control systems matrix adaptive You can write a book review and share your experiences.

Other. Model predictive control is a strategy well-suited to handle the highly complex, nonlinear, uncertain, and constrained dynamics involved in aircraft engine control problems.

The company tries to survive by restructuring its management team, financial reengineering or overall business reengineering. Business reengineering involves throwing aside all old business processes and starting from scratch to design more efficient processes.

This may cut costs and assist a. Multiple Choice Questions and Answers on Control Systems Multiple Choice Questions and Answers By Sasmita January 9, 1) Which terminology deals with the excitation or stimulus applied to the system from an external source for the generation of an output.

NASA Images Solar System Collection Ames Research Center. Brooklyn Museum. Full text of "NASA Technical Reports Server (NTRS) Aeronautical engineering: A cumulative index to a continuing bibliography (supplement )".

NASA Images Solar System Collection Ames Research Center. Brooklyn Museum. Full text of "Fuzzy Logic references" See other formats. The expert system achieves on-line and real-time control.

The introduction of the expert system at the Muroran Works led to the following production improvements: improvements in rolling tons per hour due to minimization of discharge pitch, and improvement in production efficiency by avoiding discharge interruption caused by line jam.

When comparing feedforward and feedback control systems, a mathematical understanding (model) for the effect of disturbance on process variable is necessary in those systems Open loop control system Closed loop control system Feed forward control system C.

None of the above d. Feedforward control systems This is a closed loop control system 5 b.A risk analysis method uses a multi-dimensional risk representation that allows a standard OLAP engine to perform analysis on multi-dimensional data corresponding to a portfolio of financial positions.

The analysis includes context-dependent, heterogeneous aggregation functions. The multi-dimensional data is represented as a multi-layered multi-dimensional cube (“outer” cube), which. "An Expert System to Perform On-Line Controller Restructuring for Abrupt Model Changes," NASA TMNovember responsible official: Kevin Melcher site maintenance.