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  • MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT  (3)
  • Chemistry  (2)
  • Polymer and Materials Science  (1)
  • 1980-1984  (5)
  • 1925-1929
  • 1984  (5)
Collection
Keywords
Publisher
Years
  • 1980-1984  (5)
  • 1925-1929
Year
  • 1
    Electronic Resource
    Electronic Resource
    Insektizide und Nervengase: Vergiftung und Therapie (1984)
    Weinheim : Wiley-Blackwell
    Chemie in unserer Zeit 18 (1984), S. 96-106 
    Details
    ISSN: 0009-2851
    Keywords: Chemistry ; Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ciuz.19840180304
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Zur Berechnung des Druckverlustes in Rohren bei Schlammförderung (1984)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 56 (1984), S. 853-855 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330561109
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    Paper (German National Licenses)
    Fulltext
  • 3
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    New Uses for Sensitivity Analysis: How Different Movement Tasks Effect Limb Model Parameter Sensitivity (1984)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: Original results for a newly developed eight-order nonlinear limb antagonistic muscle model of elbow flexion and extension are presented. A wider variety of sensitivity analysis techniques are used and a systematic protocol is established that shows how the different methods can be used efficiently to complement one another for maximum insight into model sensitivity. It is explicitly shown how the sensitivity of output behaviors to model parameters is a function of the controller input sequence, i.e., of the movement task. When the task is changed (for instance, from an input sequence that results in the usual fast movement task to a slower movement that may also involve external loading, etc.) the set of parameters with high sensitivity will in general also change. Such task-specific use of sensitivity analysis techniques identifies the set of parameters most important for a given task, and even suggests task-specific model reduction possibilities.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: NASA. Ames Research Center 20th Ann. Conf. on Manual Control, Vol. 1; p 671-698
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Inverse Modelling to Obtain Head Movement Controller Signal (1984)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Experimentally obtained dynamics of time-optimal, horizontal head rotations have previously been simulated by a sixth order, nonlinear model driven by rectangular control signals. Electromyography (EMG) recordings have spects which differ in detail from the theoretical rectangular pulsed control signal. Control signals for time-optimal as well as sub-optimal horizontal head rotations were obtained by means of an inverse modelling procedures. With experimentally measured dynamical data serving as the input, this procedure inverts the model to produce the neurological control signals driving muscles and plant. The relationships between these controller signals, and EMG records should contribute to the understanding of the neurological control of movements.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: NASA. Ames Research Center 20th Ann. Conf. on Manual Control, Vol. 1; p 601-620
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    No Fatigue Effect on Blink Rate (1984)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Blink rate is reported to vary dependent upon ongoing task performance, perceptual, attentional and cognitive factors, and fatigue. Five levels of task difficulty were operationally defined and task performance as lines read aloud per minute were measured. A single noninvasive infrared TV eyetracker was modified to measure blinking and an on-line computer program identified and counted blinks while the subject performed the tasks. Blink rate decreased by 50% when either task performance increased (fast reading) or visual difficulty increased (blurred text); blink rate increased greatly during rest breaks. There was no change in blink rate during one hour experiments even though subjects complained of severe fatigue.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: NASA. Ames Research Center 20th Ann. Conf. on Manual Control, Vol. 2; p 337-348
    Format: text
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    NASA TECHNICAL REPORTS
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