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IBM Systems Journal

Issue 1 • Date 1962

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Displaying Results 1 - 8 of 8
  • A program for optimal control of nonlinear processes

    Publication Year: 1962, Page(s):2 - 17
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2001 KB)

    The development of a computer-directed control system for a complex industrial unit, such as a chemical plant, a petroleum refinery, or an electrical power distribution system, can be segmented into three major parts. View full abstract»

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  • A general purpose systems simulator

    Publication Year: 1962, Page(s):18 - 32
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1839 KB)

    In the course of his work the systems engineer is constantly faced with the problem of analyzing the performance of proposed systems configurations. He needs to design the operating conditions of the proposed system to give optimum performance and determine whether the configuration will meet the specifications laid down for the system. The performances of individual components of the system are u... View full abstract»

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  • Simulation in systems engineering

    Publication Year: 1962, Page(s):33 - 50
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1864 KB)

    Systems engineering is concerned with the synthesis and analysis of systems of men and machines having specified objectives. Such performance objectives are commonly expressed in terms of human values and, as a consequence, are often necessarily subjective. Furthermore, the systems under consideration invariably exploit the interaction of men with physical components. It is this high degree of hum... View full abstract»

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  • Tables, flow charts, and program logic

    Publication Year: 1962, Page(s):51 - 63
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1478 KB)

    There are, of course, many problems meriting further investigation: tables in their present form can become unwieldy when problem segments are prefaced by one or two simple decisions rather than six or seven complicated ones; it would sometimes be convenient to have rules in a table refer to other rules in the same table; rule identifiers in which the variable values are connected by (“or&#... View full abstract»

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  • A multiprocessing approach to a large computer system

    Publication Year: 1962, Page(s):64 - 76
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1570 KB)

    This paper is an interim report on a study of computer room operation in a large computational center. The study is being conducted by Lockheed and IBM personnel at the Lockheed Missiles and Space Company (Sunnyvale, California). In order to understand the motivation of the specific study objectives stated below, a brief description of the Lockheed Missiles' computational procedures are given. View full abstract»

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  • The trim problem

    Publication Year: 1962, Page(s):77 - 82
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1411 KB)

    The Trim Problem has many forms, and most of this paper will be devoted to a discussion of the simplest one, the so-called onedimensional Trim Problem. Some other—and more difficult forms—will be mentioned at the end, but even the simplest case has both applications significance and technical difficulties that make it interesting. To gain some idea of the problem, consider this case. View full abstract»

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  • On modifying the 1620 ADD table

    Publication Year: 1962, Page(s):82 - 83
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1092 KB)

    The fact that arithmetic is performed on the IBMB® 1620 Data Processing System by means of TABLE LOOKUP provides an opportunity for introducing special operations which may be executed by suitable table modification View full abstract»

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  • Authors

    Publication Year: 1962, Page(s): 84
    IEEE is not the copyright holder of this material | PDF file iconPDF (692 KB)
    Freely Available from IEEE

Aims & Scope

Throughout its history, the IBM Systems Journal has been devoted to software, software systems, and services, focusing on concepts, architectures, and the uses of software.

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Editor-in-Chief
John J. Ritsko
IBM T. J. Watson Research Center5