Analog Computer Techniques

Analog Computer Techniques by Clarence L Johnson      
McGraw-Hill NY 1956; 264 pages, Index, diagrams, circuit diagrams, appendices

Contents -- Introduction - Historical Development; classification of computing equipment; problems solvable on the Electronic Analog Computer; Major components;

The Linear Computer Components -- the operational amplifiers; potentiometers; computer design differences;

Time- and Amplitude-scale Factors -- factors influencing the choice of time scale; determination of approximate problem frequencies; approx frequencies of higher-order systems; influence of recorder characteristics on the choice of time scale; performing the time-scale change; choice of amplitude-scale factor; approximating the magnitude of the variables of a problem;

The Synthesis of Servomechanism Systems -- the block-diagram notation; setup of a simple servomechanism system; setup of a transfer function; setup of the factored form of a transfer function; Multiplying and Resolving Servos; Additional Computer techniques; The Representation of Nonlinear Phenomena - differential relays and diodes; more;

Multipliers and Function Generators; Miscellaneous Applications of the Electronic Analog Computer;

Analog Computer Components and Computer Control -- stablized D-C Amplifiers; inherent erros of D-C amplifiers; Overload warning Systems; Boost; Operate-Reset Systems; Potentiometer-setting systems; Automatic Programming; The CHecking of Computer Results -- checking problem preparation; partial system checking; checking problem stability; specialized checking procedures; the role of the digital integrating differential analyzer in problem checking; a dynamic check of computer operations; accuracy and precision;

Repetitive Analog Computers -- advantages and disadvantages of repetitive computers; Philbrick Computer; Initial conditions; problem setup; trends in the design of repetitive computers;

The Digital Integrating Differential Analyzer -- historical development; design features of the newer digital integrating differential analyzers; operation of the digital integrating differential analyzer; the number system; communication between integrators; the coding diagram; Appendices


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Analog Computer Techniques




This exhibit has a reference ID of CH10957. Please quote this reference ID in any communication with the Centre for Computing History.
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