NDLI: A centralized data processing system

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Content Provider	ACM Digital Library
Author	Dover, Jerome J.
Abstract	Early in the spring of 1953 with the activation of a ground telemetering facility at the Air Force Flight Test Center it became evident that there existed a real and continually increasing need for a less expensive, faster and more reliable method of processing extremely large amounts of raw uncorrected data that found its origin in the many diversified activities which were at that time presently being conducted at the Center. Examples of the sources from which this data came were the flight testing of experimental and production aircraft, (i.e. airborne recording), a radar phototheodolite, the aforementioned telemetering station, as well as the high speed experimental track and the USAF experimental rocket engine test station. Figures 1 through 4 illustrate some of the data sources at this Center. Furthermore certain large classified projects were being initiated at the Center at that time and they brought with them their own large data work loads. The problem of reducing this data presented a task almost as large as the problem of correcting the data. However, before the data could be reduced, that is, reduced on IBM machines or desk calculators, it had to be processed; that is, put into a form where it could be handled readily and easily by the IBM card programmed calculators. This processing consisted of reading the data, usually from film or oscillograph records, translating this information into digital form and correcting for any instrument or calibration errors which might be present in the raw data. With the advent of the IBM card programmed calculators, actual calculating time on the data was materially diminished, leaving the problem of reading and processing the data standing as a very real bottleneck. It therefore became evident to responsible personnel concerned that a system would have to be devised that would allow either automatic or semi-automatic processing of much of the data incurred at the Air Force Flight Test Center if the Center was to survive this deluge of data. To this end a centralized automatic data processing system was proposed, based on the philosophy that data should be taken in such a form, that it would be suitable for automatic reduction. It was felt that such a centralized data handling system would be instrumental in effecting significant savings in personnel costs, since it would reduce the number of employees required to reduce data and make unnecessary the constant recruiting and training of large numbers of data reading employees, or, at least enable those assigned to the data reduction task to cope successfully with their expanding work load. Moreover it would increase the reliability of results obtained by eliminating much human contamination in the reading of data which by its very nature was tedious to reduce, highly exacting and demanding of a high order of accuracy in reading. Finally this type of data handling system through its ability to rapidly process large amounts of data would aid materially in expediting the mission of the Air Force Flight Test Center by helping to make more complete and efficient use of its experimental and unique flight test aircraft and equipment.
Starting Page	172
Ending Page	183
Page Count	12
File Format	PDF
DOI	10.1145/1455200.1455227
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1954-02-11
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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