896 resultados para Project of Machines
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Report of the Committee on the Organization of the Inter- American System.--Report of the Juridical Subcommittee on the project of Inter-American peace system submitted by the Inter-American Juridical Committee on November 18, 1947.-- Comments on the draft project of Inter-American peace system formulated by the Inter-American Juridical Committee in 1945.-- Memorandum on the definite project of an inter-American peace system formulated by the Inter-American Juridical Committee, by C. G. Fenwick.
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"Reprinted from tentative draft no. 9 of the Model penal code."
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Mode of access: Internet.
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Mode of access: Internet.
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"L.D. Haskew, compiler."
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Mode of access: Internet.
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"Principal veterinary journals (United States and Canada)": p.29.
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Cover title.
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"The first two years of this three year project were undertaken as Cooperative Research Project 6399, by Vanderbilt University and the U.S. Office of Education."
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Mode of access: Internet.
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Goldsmiths'-Kress no. 16657.1.
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Mode of access: Internet.
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The thesis describes an investigation into methods for the specification, design and implementation of computer control systems for flexible manufacturing machines comprising multiple, independent, electromechanically-driven mechanisms. An analysis is made of the elements of conventional mechanically-coupled machines in order that the operational functions of these elements may be identified. This analysis is used to define the scope of requirements necessary to specify the format, function and operation of a flexible, independently driven mechanism machine. A discussion of how this type of machine can accommodate modern manufacturing needs of high-speed and flexibility is presented. A sequential method of capturing requirements for such machines is detailed based on a hierarchical partitioning of machine requirements from product to independent drive mechanism. A classification of mechanisms using notations, including Data flow diagrams and Petri-nets, is described which supports capture and allows validation of requirements. A generic design for a modular, IDM machine controller is derived based upon hierarchy of control identified in these machines. A two mechanism experimental machine is detailed which is used to demonstrate the application of the specification, design and implementation techniques. A computer controller prototype and a fully flexible implementation for the IDM machine, based on Petri-net models described using the concurrent programming language Occam, is detailed. The ability of this modular computer controller to support flexible, safe and fault-tolerant operation of the two intermittent motion, discrete-synchronisation independent drive mechanisms is presented. The application of the machine development methodology to industrial projects is established.
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