A Concept Evaluation of an Electronic Delivery of Maintenance Information

1988 ◽  
Vol 32 (16) ◽  
pp. 1078-1081
Author(s):  
Michelle R. Sams ◽  
Joel H. Fernandez
Keyword(s):  
Human Factors ◽  
Future Development ◽  
Air Defense ◽  
Maintenance Time ◽  
Concept Evaluation ◽  
Significant Difference ◽  
Feasible Alternative ◽  
Electronic Delivery ◽  
Missile System ◽  
Electronically Delivered

This study evaluated the concept of using electronically delivered technical procedures to support maintenance operations in lieu of paper publications. The concept was tested on the basis of effectiveness, feasibility, and human factors issues. The Electronic Maintenance Publication System (EMPS) was tested on the PATRIOT system, an air defense missile system. No significant difference in maintenance time was found between EMPS or paper manuals. Errors committed while performing the tasks were negligible. Human factors issues were considered primarily to evaluate the concept of an electronic delivery and to guide refinement and future development of the system. Based on this study, it was concluded that an electronic delivery of maintenance information (as tested in EMPS) is an effective and feasible alternative to paper publications.

scholarly journals Parasitism level by helminths and weight gain of calves kept in organic and conventional grazing

2013 ◽  
Vol 33 (5) ◽  
pp. 586-590 ◽  
Author(s):  
Jenevaldo Barbosa da Silva ◽  
Gisele Maria Fagundes ◽  
João Paulo Guimarães Soares ◽  
Adivaldo Henrique da Fonseca
Keyword(s):  
Weight Gain ◽  
Future Generations ◽  
Nematode Control ◽  
Successful Development ◽  
Organic Systems ◽  
Fecal Egg Count ◽  
Domestic Ruminants ◽  
Significant Difference ◽  
Feasible Alternative ◽  
Parasitism Level

Sustainable production is a principle in which we must meet the needs of the present without compromising the capacity of future generations. Despite the successful development of pesticides against endo and ectoparasites found in domestic ruminants, these parasites are still the major problem of the herbivore production system. The purpose of this study was to know the population of gastrintestinal parasites and their influence on weight gain of calves kept in organic and conventional grazing. Thus, organic and conventional calves were randomly selected in 2008 and 2009. The fecal egg count (FEC) indentified the following genders of helminths: Haemonchus, Trichostrongylus, Oesophagostomum, Cooperia, Strongyloides, Trichuris and oocysts of Eimeria. There was no significant difference (p>0.05) between FEC in organic and conventional animals. Calves younger than 6 months showed significant higher infection (p<0.05) than calves between 7 and 12 months of age. The weight gain observed during the study was of 327g/day and 280g/day for conventional and organic systems animals, respectively. Consequently, the combination of sustainable practices of grazing associated with the selective application of anthelmintics may be a feasible alternative for nematode control in a conventional system and in transition to an organic one.

Aerospace Applications of Image Development Language

1987 ◽  
Vol 31 (5) ◽  
pp. 541-542
Author(s):  
Bruce Foster Gomberg ◽  
Bruce Amberden ◽  
Ken Pullen
Keyword(s):  
Research And Development ◽  
Human Factors ◽  
Real Time ◽  
Relative Ease ◽  
Specific Research ◽  
Aerospace Applications ◽  
Concept Evaluation ◽  
Short Time ◽  
Human Factors Research ◽  
Simulation Package

The Avionics Concept Evaluation Simulator (ACES) Laboratory has developed a rapidly reconfigurable real-time avionics simulation package that can be customized to specific research and development requirements. An essential component of the simulation is a unique graphics model named Image Development Language (IDL). IDL is a Lockheed proprietary, Fortran-based, graphics-imaging language that enables the human factors engineer or designer to create interactive real-time graphics and images in a short time, with relative ease, and with little or no programming expertise. Applications of IDL in human factors research and development in the aerospace community are discussed.

scholarly journals An Analysis of IHC and HCII Publication Titles: Revealing and Comparing the Topics of Interest of their Communities

2021 ◽  
Vol 12 (1) ◽  
pp. 1-20
Author(s):  
Franklin M. da C. Lima ◽  
Gabriel A. M. Vasiljevic ◽  
Leonardo Cunha De Miranda ◽  
M. Cecília C. Baranauskas
Keyword(s):  
Correlation Analysis ◽  
Human Computer Interaction ◽  
Human Factors ◽  
Statistical Tests ◽  
Research Field ◽  
Academic Community ◽  
Computing Systems ◽  
Significant Difference ◽  
Using Data ◽  
Computer Interaction

Analyzing how the conferences of a given research field are evolving contributes to the academic community in that the researchers can better situate their research towards the advancement of knowledge in their area of expertise. Thus, in this work we present the results of a correlation analysis performed within and between-conferences of the field of Human-Computer Interaction, using data from the conference on Human-Computer Interaction International (HCII) and from the Brazilian Symposium on Human Factors in Computing Systems (IHC). More than 209 thousand words from the titles of over 18 thousand publications from both conferences were analyzed in total, using different quantitative, qualitative and visualization methods, including statistical tests. The analysis of words from the tiles of publications from both conferences and the comparison of the ranking of these words indicate, amongst other results, that there is a significant difference in relation to the main and most covered topics for each one of these conferences. 

scholarly journals HUMAN FACTORS LEARNING CURVE FOR THUMB-OPERATED TRIGGER RIFLE USING GYROSCOPIC FEEDBACK INSTRUMENTATION

2021 ◽  
Vol 57 (2) ◽  
pp. 274-280
Author(s):  
David C. Paulus ◽  
Keyword(s):  
Human Factors ◽  
Learning Curve ◽  
Research Effort ◽  
Auditory Signal ◽  
Accuracy Score ◽  
Trigger System ◽  
Cycle Times ◽  
New Device ◽  
Significant Difference ◽  
Direction Of Movement

Researchers interested in evaluating the biomechanics and human factors associated with using a new product recognize that skill development with the novel design is time-dependent. A learning curve is a plot that shows the time to complete a task using the product decreases as the number of training repetitions increases. A novel thumb-operated trigger system (Iron Horse, Blackwater Worldwide™) has been developed for the AR-15 style rifle with the intent to shorten the learning curve. The purpose of this research effort is to quantify the learning curve for the new device and to compare it to that of a standard mil-spec AR-15 trigger system. A previously-trained shooter dry-fire trained with both rifle systems for twenty consecutive days alternating lower receivers each day. The rifles were equipped with a gyroscopic instrument (Mantis X™) that tracked the movement of the firearm during the trigger pull process. The instrument has a timer to record the reaction time to an auditory signal for each shot, records the magnitude and direction of movement of the firearm, and calculates an accuracy score. There was not a significant difference (p>0.05) between the thumb operated and mil-spec triggers’ cycle times. However, the accuracy scores with the thumb operated trigger were significantly higher (p<0.05) than those with the mil-spec trigger.

scholarly journals 2019 Town Hall on Human Factors and Ergonomics for Patient Work

2019 ◽  
Vol 63 (1) ◽  
pp. 725-728 ◽  
Author(s):  
Richard J. Holden ◽  
Rupa S. Valdez
Keyword(s):  
Human Factors ◽  
Community Of Practice ◽  
Future Development ◽  
Town Hall ◽  
Human Factors And Ergonomics ◽  
Central Activity ◽  
Patient Work ◽  
Improve Patient

The 2019 Town Hall gathers stakeholders in the human factors and ergonomics (HFE) community who share an interest in applying HFE to study and improve patient work, an area called “patient ergonomics.” The objective of this town hall is to communally scope, prioritize, and develop applications of HFE for patient work. Whereas the 2018 Town Hall was primarily an initial community gathering, the 2019 Town Hall is envisioned as a space for further developing a community of practice in this area. The central activity of the 2019 Town Hall is a public commentary period, with live scribing, inviting attendees to address the (1) scope of patient ergonomics; (2) prioritization of future efforts; and (3) proposals to lead future development efforts.

Human Factors Role in Equipment Definition and Facility Layout for the Space Computational Center and the Norad Computer System Improvement Program

1974 ◽  
Vol 18 (5) ◽  
pp. 634-640
Author(s):  
John H. Van Arsdel
Keyword(s):  
Human Factors ◽  
Computer System ◽  
Facility Layout ◽  
System Control ◽  
Operational Parameters ◽  
Improvement Program ◽  
Air Defense ◽  
The North ◽  
Construct Maps ◽  
Human Operators

The purpose of the 427M Improvement Program is to replace and update the computer, communications, and display facility used to support the North American Air Defense Command (NORAD) and the Aerospace Defense Command in accomplishing their assigned missions, through 1980. The interface between the human operators and the several complete computer systems of the Space Computational Center (SCC) and NORAD is the Interactive Display Console. The SCC/NCS (NORAD Computer System) Graphic Display Console must meet specific Air Force readability, look-angle, accessibility, and maintenance requirements, as well as the restrictive space, weight, and power requirements. Both the SCC and NCS display presentations require extensive use of display vectors to construct maps and backgrounds in addition to presenting the data. The problems of legibility require evaluating the advantages of stroke-generation techniques over the raster-scan technology in producing straight, clearly defined vectors. Also, the system requires a highly reliable, modularly expandable, high-throughput system which would apply to both the SCC and NCS man/machine interface requirements. To effectively maintain the display console hardware, it should be identical for both the SCC and NCS segments; however, the segments must be addressable for different functional operations and displayed information. Thus the operational parameters were assigned to software programs. Functions of the SCC include space catalog maintenance, space sensor system status, space weapons support, system control and support, programming support, and personnel subsystem support. To perform these functions within the allowable time constraints, a highly automated and highly interactive computer system is needed. The Human Factors role in console definition, man/computer interface considerations, and facility layout problems will be discussed in the paper.

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