Stories
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Briefs: Information Technology
An improved method of parallel computation of the electromagnetic-scattering characteristics of complexly shaped objects has been devised. This method belongs to a class of methods...
Briefs: Information Technology
The Automated Nonconformance System, based at Stennis Space Center, is a computer network dedicated to administration of inspections and repairs of rocket engines. This automated system...
Briefs: Information Technology
The Nondestructive Inspection and Evaluation Management System (NIMS), based at Stennis Space Center, is a computer network dedicated to administration of a large data base pertaining to...
Briefs: Information Technology
A wavelet-based modal-parameter-extraction procedure has been developed to augment wavelet filtering and thereby produce more-realistic, robust aeroservoelastic-stability margins. The...
Briefs: Information Technology
A trainable software system known as JARtool 2.0 has been developed to help scientists find localized objects of interest ("target objects") in image data bases. A human expert...
Briefs: Information Technology
A program of research on the use of wavelets for compression of data in a parallel-computing environment has led to development of a scheme for compressing image data. The purpose of the research...
Briefs: Information Technology
A unified theory of linear time-invariant (LTI) representations has been developed for use in the analysis and design of adaptive, narrow-band, feedforward controllers for systems...
Briefs: Information Technology
Modified Taguchi techniques of robust design optimization are used in an innovative method of training artificial neural networks — for example the network shown in the figure. As in...
Briefs: Information Technology
Software for Assessing Effects of Designs on Operations
The Operations Impact Assessor (OIA) computer program facilitates rapid assessment of the effects of designs of spacecraft on spacecraft-processing operations at a launch site. OIA is a user-friendly, object-oriented, artificial-intelligence application program that features model-based...
Briefs: Information Technology
An improved method of analysis and design offers the potential to enhance the performances of adaptive feedforward tracking systems. The method can, in principle, make it possible to...
Briefs: Information Technology
Expressing Object-Oriented Concepts in Fortran 90
A methodology for object-oriented programming in Fortran 90 has been developed. The methodology provides for emulation of the most important object-oriented concepts of C++; namely, classes (including abstract data types, encapsulation, and function overloading), inheritance, and dynamic...
Briefs: Information Technology
Software for Improving Operational Processes
The Schedule and Cost Risk Analysis Modeling System (SCRAM) computer program identifies important sources of schedule and cost risks in an operational process. The related Process Analysis and Improvement Support System (PASS) program assists in the overall analysis and improvement of an operational...
Briefs: Software
Software for Planning in a Hierarchical Processing Environment
Decision-support software based on discrete-event simulation (DES) has been undergoing development for use in planning and scheduling work in the Orbiter Processing Facility (OPF) at Kennedy Space Center. The software is also suitable for adaptation to similar use in other facilities...
Briefs: Information Technology
Work-Measurement and Methods-Analysis Studies of the OPF
Two reports describe early phases of continuing studies directed toward the selection and adaptation of industrial work-measurement and methods-analysis procedures for application to the Orbiter Processing Facility (OPF) at Kennedy Space Center. These studies were prompted by a need to...
Briefs: Information Technology
The Kennedy Space Center Human Factors Event Evaluation Model is a model to facilitate long-term gathering and analysis of data to investigate the effects of human factors on the...
Briefs: Information Technology
The Kennedy Benchmarking Clearinghouse (KBC) is an organization for implementing an emerging methodology called "consortium benchmarking" in a competitive business environment. The partners...
Briefs: Information Technology
A method of automated diagnosis of helicopter gearboxes involves processing of selected features of digitized outputs of vibration sensors via structure-based connectionist networks...
Briefs: Information Technology
WAN DBMS Search Engine for Scientific Data Formats
A software interface between scientific data formats (SDF's) and wide-area data-base search-engine software has been developed to provide seamless access to data used in support of NASA projects. Most SDF's are known or understood by only a select audience. These SDF's are also only searchable...
Briefs: Information Technology
A method of computational filtering enables the removal of distortions from flight-test data. The method is built upon and adapts the methods of wavelet-transform analysis to the particular...
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The Over-Engineering Trap: Aligning Custom Equipment Specs with Operational...
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