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Weld Penetration and Defect Control

Description: Highly engineered designs increasingly require the use of improved materials and sophisticated manufacturing techniques. To obtain optimal performance from these engineered products, improved weld properties and joint reliability are a necessarily. This requirement for improved weld performance and reliability has led to the development of high-performance welding systems in which pre-programmed parameters are specified before any welding takes place. These automated systems however lack the ab… more
Date: May 15, 1992
Creator: Chin, Bryan A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Method and apparatus for injecting a substance into the bloodstream of a subject

Description: An apparatus and method for injecting a substance, such as a radiopharmaceutical, into the bloodstream of a subject is described. The apparatus comprises an injection means, such as a servo controlled syringe, a means for measuring the concentration of that substance in the subject's bloodstream, and means for controlling the injection in response to the measurement so that the concentration of the substance follows a predetermined function of time. The apparatus of the subject invention functi… more
Date: May 29, 1981
Creator: Lambrecht, R. M.; Bennett, G. W.; Duncan, C. C. & Ducote, L. W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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Precision Deburring Using NC and Robot Equipment. Final Report

Description: Deburring precision miniature components is often time consuming and inconsistent. Although robots are available for deburring parts, they are not precise enough for precision miniature parts. Numerical control (NC) machining can provide edge break consistencies to meet requirements such as 76.2-..mu..m maximum edge break (chamfer). Although NC machining has a number of technical limitations which prohibits its use on many geometries, it can be an effective approach to features that are particu… more
Date: May 1, 1980
Creator: Gillespie, LaRoux K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Automatic visual inspection of hybrid microcircuits

Description: An automatic visual inspection system using a minicomputer and a video digitizer was developed for inspecting hybrid microcircuits (HMC) and thin-film networks (TFN). The system performed well in detecting missing components on HMCs and reduced the testing time for each HMC by 75%.
Date: May 1, 1980
Creator: Hines, R.E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Development and testing of an automated wood-burning heating system. Final report

Description: An improved wood continuous, automated combustion system has been developed using a tunnel burner. The tunnel burner implemented into a boiler heating system has proven to be very efficient. The prototype was tested and evaluated. A second generation tunnel system was designed and fabricated. Work performed between April 1980 and April 1981 is summarized. The most important results of the project are: the finalized tunnel burner design; high combustion efficiency; and low air pollution emission… more
Date: May 1, 1981
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Large scale copper vapor laser computer control system

Description: High power pulse copper vapor laser systems consist of a master oscillator and numerous power amplifiers. Large systems used in laser isotope separation experiments require several automatic control systems. The rapid development of compact mini computers over the past several years has enabled the implementation of sophisticated computer controlled copper vapor laser systems. Present systems provide automatic time synchronization and input power stabilization. Future systems will incorporate s… more
Date: May 15, 1979
Creator: LaChapell, M. J.; Spencer, L. W. & Coutts, G. W.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

The Effects of Structured Approaches to Computer Implementation in Small Businesses: A Study of the Relationships Between Level of Systematic Approach and Implementation Time, Implementation Cost, User Satisfaction and Level of Integration

Description: The purpose of this research is to determine the effects of systematic approach to computer integration on implementation cost, implementation time, user satisfaction, and level of integration in small business environments. It is believed that decreased costs and implementation time result from the use of systematic approaches to computer integration. Systematic approaches may also result in higher user satisfaction and a higher level of system integration.
Date: May 1991
Creator: Savoie, Michael J.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Electronic Enterprises: Looking to the Future

Description: This report takes a strategic look at the development of electronic commerce and identifies the characteristics of the infrastructure that will be required to support it. The report found that, in an electronically networked economy, the design and underlying architecture of the global information infrastructure will have a major impact on national economic growth and development.
Date: May 1994
Creator: United States. Congress. Office of Technology Assessment.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Optimal Knot Selection for Least-squares Fitting of Noisy Data with Spline Functions

Description: An automatic data-smoothing algorithm for data from digital oscilloscopes is described. The algorithm adjusts the bandwidth of the filtering as a function of time to provide minimum mean squared error at each time. It produces an estimate of the root-mean-square error as a function of time and does so without any statistical assumptions about the unknown signal. The algorithm is based on least-squares fitting to the data of cubic spline functions.
Date: May 15, 2008
Creator: Blair, Jerome
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Automation impact study of Army training management 2: Extension of sampling and collection of installation resource data

Description: This automation impact study of Army training management (TM) was performed for the Army Development and Employment Agency (ADEA) and the Combined Arms Training Activity (CATA) by the Battelle Human Affairs Research Centers and the Pacific Northwest Laboratory. The primary objective of the study was to provide the Army with information concerning the potential costs and savings associated with automating the TM process. This study expands the sample of units surveyed in Phase I of the automatio… more
Date: May 1, 1989
Creator: Sanquist, T. F.; McCallum, M. C.; Hunt, P. S.; Slavich, A. L.; Underwood, J. A.; Toquam, J. L. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Array automated assembly. Phase 2. Quarterly report for period ending March 31, 1979

Description: Research on the technology readiness of a proposed process sequence for the low-cost fabrication of photovoltaic modules is described. Integration of the process sequence using non-textured 2.125 inch square wafers was initiated during this period. Considerable difficulties were encountered requiring process and material modifications. These include: (1) replacement of N-250 spray-on diffusion source with PX-10 source; and (2) modification of the firing cycles for printed silver and printed alu… more
Date: May 1, 1979
Creator: Taylor, W.E.; Mardesich, N.; Edwards, B.; Bunyan, S. & Garcia, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Automatic generation of synchronization instructions for parallel processors

Description: The development of high speed parallel multi-processors, capable of parallel execution of doacross and forall loops, has stimulated the development of compilers to transform serial FORTRAN programs to parallel forms. One of the duties of such a compiler must be to place synchronization instructions in the parallel version of the program to insure the legal execution order of doacross and forall loops. This thesis gives strategies usable by a compiler to generate these synchronization instructio… more
Date: May 1, 1986
Creator: Midkiff, S.P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Phase 2 of the array automated assembly task for the Low Cost Solar Array Project. Quarterly report no. 6, January 1-March 31, 1979

Description: Using silk screened evaporated and sputtered Al as the metal source, the formation of Al back surface fields (BSF) was studied. The most satisfactory results were those obtained with the sputtered Al and in which open circuit voltages (V/sub oc/) of 0.585v (12 ..cap omega.. cm FZ silicon) have been achieved. The ultrasonic interconnect process is being verified. The process is generally satisfactory, but increased pull-strength may be obtained if some form of sintering is carried out on the met… more
Date: May 15, 1979
Creator: Campbell, R. B.; Rai-Choudhury, P.; Seman, E. J.; Rohatgi, A.; Davis, J. R.; Ostroski, J. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Automatic tracking of the intersection of a laser and electron beam

Description: For the Compton Polarimeter experiment at the Stanford Linear Accelerator the crossing point of a laser beam and an electron beam must be kept accurate and stable. An electronic system is described for the automatic tracking and correcting of the beam crossing. A remote CCD camera, relatively insensitive to electromagnetic disturbance, records small displacements of the pulsed laser beam. Video signals are analyzed at a remote station, the amount of drift from a selected reference point determi… more
Date: May 1, 1990
Creator: Turko, B.T.; Fuzesy, R.Z.; Pripstein, D.A.; Kowitt, M.; Chamberlain, O.; Shapiro, G. (Lawrence Berkeley Lab., CA (USA)) et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Development of an on-line image analysis for assessment of pyrite liberation. Technical report, December 1, 1992--February 28, 1993

Description: An automation procedure based on the principles of image processing is proposed to perform the analysis of pyrite/minerals liberation of coal. To make the automated image analysis system possible, a data base of the light reflectance characteristics of different coal constituents must be established. Characterization of coal images through the analysis of their histogram was conducted. In general, it was found that the distinction of coal particles or particle groups may be accomplished by dete… more
Date: May 1, 1993
Creator: Yen, M. S. C.; Chu, P. T. C. & Ho, K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Benchmark problems in which equality plays the major role

Description: We have recently heard rumors that researchers are again studying paramodulation [Wos87] in the context of strategy for its control. In part to facilitate such research, and in part to provide test problems for evaluating other approaches to equality-oriented reasoning, we offer in this article a set of benchmark problems in which equality plays the dominant role. The test problems are taken from group theory, Robbins algebra, combinatory logic, and other areas. For each problem, we include app… more
Date: May 1, 1992
Creator: Lusk, E. & Wos, L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Operator overloading as an enabling technology for automatic differentiation

Description: We present an example of the science that is enabled by object-oriented programming techniques. Scientific computation often needs derivatives for solving nonlinear systems such as those arising in many PDE algorithms, optimization, parameter identification, stiff ordinary differential equations, or sensitivity analysis. Automatic differentiation computes derivatives accurately and efficiently by applying the chain rule to each arithmetic operation or elementary function. Operator overloading e… more
Date: May 1, 1993
Creator: Corliss, G. F. & Griewank, A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Automatic TLI recognition system. Part 1: System description

Description: This report describes an automatic target recognition system for fast screening of large amounts of multi-sensor image data, based on low-cost parallel processors. This system uses image data fusion and gives uncertainty estimates. It is relatively low cost, compact, and transportable. The software is easily enhanced to expand the system`s capabilities, and the hardware is easily expandable to increase the system`s speed. This volume gives a general description of the ATR system.
Date: May 1, 1994
Creator: Partin, J. K.; Lassahn, G. D. & Davidson, J. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Automation of constrained-value business forms

Description: Expert systems can improve many business tasks. However, the nature of a constrained-value business form can result in a rule base that contains circular reasoning, unsuitable for expert system implementation. A methodology is presented for restructuring such a rule base for compatibility with a backward-chaining expert system.
Date: May 1, 1993
Creator: Carson, M. L.; Beaumariage, T. G. & Greitzer, F. L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Prototypical Rod Consolidation Demonstration Project. Phase 3, Final report: Volume 1, Cold checkout test report, Book 4

Description: The objective of Phase 3 of the Prototypical Rod consolidation Demonstration Project (PRCDP) was to procure, fabricate, assemble, and test the Prototypical Rod consolidation System as described in the NUS Phase 2 Final Design Report. This effort required providing the materials, components, and fabricated parts which makes up all of the system equipment. In addition, it included the assembly, installation, and setup of this equipment at the Cold Test Facility. During the Phase 3 effort the syst… more
Date: May 1, 1993
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Prototypical Rod Construction Demonstration Project. Phase 3, Final report: Volume 1, Cold checkout test report, Book 3

Description: The objective of Phase 3 of the Prototypical Rod consolidation Demonstration Project (PRCDP) was to procure, fabricate, assemble, and test the Prototypical Rod consolidation System as described in the NUS Phase 2 Final Design Report. This effort required providing the materials, components, and fabricated parts which makes up all of the system equipment. In addition, it included the assembly, installation, and setup of this equipment at the Cold Test Facility. During the Phase 3 effort the syst… more
Date: May 1, 1993
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Test masks for the experimental evaluation of automated IC photomask inspection systems

Description: The design and fabrication of a test mask suitable for the experimental evaluation of automated integrated circuit photomask inspection systems is described. This mask contains various types and sizes of intentional defects in known locations. The defects are superimposed on a background of images consisting of a typical integrated circuit pattern.
Date: May 24, 1976
Creator: Ciarlo, D. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Computer-based accountability system (Phase I) for special nuclear materials at Argonne-West

Description: An automated accountability system for special nuclear materials (SNM) is under development at Argonne National Laboratory-West. Phase I of the development effort has established the following basic features of the system: a unique file organization allows rapid updating or retrieval of the status of various SNM, based on batch numbers, storage location, serial number, or other attributes. Access to the program is controlled by an interactive user interface that can be easily understood by oper… more
Date: May 1, 1982
Creator: Ingermanson, R. S. & Proctor, A. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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