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J. A. Veltman


Click on the titles below to find US government-authored or -collected reports written by J. A. Veltman

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Visual and Auditive 3D Displays as Support for Locating Target Jets (Visuele en auditieve 3D display als ondersteuning bij het opsporen van doelvliegtuigen) 27 AUG 96
Authors:  J. A. Veltman; J. B. VAN Erp; L. VAN Breda; A. W. Bronkhorst; HUMAN FACTORS RESEARCH INST TNO SOESTERBERG (NETHERLANDS)
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.An experiment was conducted in the TNO-TM flight simulator to investigate which manner of information presentation is most effective in helping pilots to locate target jets. Twelve pilots had to follow a target jet that suddenly disappeared and reappeared at a random spot somewhere around the own jet. The task of the pilot was to get the target jet as fast as possible in front of the own jet. They ...


Physiological Workload Reactions to Increasing Levels of Task Difficulty 21 JUN 96 32 pages
Authors:  J. A. Veltman; A. W. Gaillard; DIRECTOR OF AIR FORCE RESEARCH AND DEVELOPMENT THE HAGUE (NETHERLANDS)
The full text of this report is available for sale.The sensitivity of physiological measures to mental workload has been investigated in a flight simulator. Twelve pilots had to fly through a tunnel with different Levels of difficulty. Additionally, they had to perform a memory task with four levels of difficulty. The easiest memory task was combined with the easiest tunnel task and the most difficult memory task with the most difficult tunnel task. Between each tunnel session, subjects had ...


Helpt Predictie-Infornatie in de Cockpit bij het Opsporen van Doelvliegtuigen? (Predictive Information in the Cockpit as a Target Acquisition Aid) 06 MAY 96
Authors:  L. van Breda; J. A. Veltman; HUMAN FACTORS RESEARCH INST TNO SOESTERBERG (NETHERLANDS)
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.Under contract to the Royal Netherlands Airforce, the TNO Human Factors Research Institute conducts background research concerning effects of advanced interface principles in the cockpit on flight performance, (des) orientation and workload. In this connection, a simulator experiment was conducted to investigate the potential benefits of predictive information for tracking targets. Eight fighter pilots had to trace as soon as possible a target aircraft, initially flying from an arbitrary position ...


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