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  • Digitale Medien  (2)
  • ECG age evolution  (1)
  • cell configuration  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Schedule efficiency in a robotic production cell (1995)
    Springer
    International journal of flexible manufacturing systems 7 (1995), S. 5-26 
    Details
    ISSN: 1572-9370
    Schlagwort(e): cell configuration ; cycle time ; linear programming method ; longest path method ; movement network ; movement schedule (cycle) ; part input sequence ; sequence processing time ; waiting time
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau
    Notizen: Abstract In this paper, we analyze the efficiency of a given robot movement schedule for the case of a flow shop robotic production cell withm different machines, one input conveyor, and one output conveyor. We begin with the case of one-robot cells and extend our results to multirobot cells. The paper studies the efficiency of a movement schedule for identical parts by defining a movement network associated with this schedule. This network models any cell layout and applies to multirobot cells. Using the movement network, we propose two cycle time evaluation methods, the first using linear programming and the second based on finding a longest path. The latter method generates a procedure to obtain an analytical formula for the cycle time. We extend the proposed methods to study the efficiency of a given input sequence (schedule) for different parts, that is, to determine the sequence processing time. The results obtained here allow us to quickly evaluate the efficiency of any given feasible movement schedule, for identical or different parts.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01324877
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Normal ECG standards for infants and children (1980)
    Springer
    Pediatric cardiology 1 (1980), S. 123-131 
    Details
    ISSN: 1432-1971
    Schlagwort(e): ECG normal standards, children ; ECG age evolution ; Computer ECG measurements
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Normal ECG values were determined using computer-assisted measurement of the ECGs of 2,141 white children aged 0 to 16 years divided into 12 age groups. These values are plotted on graphs containing the second, fifth, 25th, 50th, 75th, 95th, and 98th percentiles for each age group. This provides a convenient, fast, and practical method for comparing the values found in a given ECG with those found in a normal population, taking into account the evolution of ECG patterns with age.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02083144
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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