Pulsed frequency-response calculations for a digital control system

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Pulsed frequency-response calculations for a digital control system

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© The Institution of Electrical Engineers
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A method for digital-computer calculation of the pulsed real frequency-response function of a continuous system is presented. The approach, via the discrete transition matrix, provides programming generality and avoids the algebraic manipulation inherent in the direct transformation approach. An application of the technique is to the design of digital and sampled-data control systems by frequency-domain methods.

Inspec keywords: digital control; sampled data systems

Subjects: Discrete control systems; Control engineering computing

References

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      • C.M. Cundall , V. Latham . Designing digital computer control systems. Control Eng.
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      • Knowles, J.B.: `Contribution to computer control', 1962, Ph.D. thesis, University of Manchester.
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      • J.B. Knowles , R. Edwards . Ripple performance and choice of sampling frequency for a direct digital control system. Proc. IEE , 11 , 1885 - 1892
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      • J. Sklansky , J.R. Ragazzini . Analysis of errors in sampled-data feedback systems. Trans. Amer. Inst. Elect. Engrs. , 65 - 71
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      • M.L. Liou , Kuo , Kaiser . (1966) Time and frequency domain analysis of linear time-invariant systems, System analysis by digital computer.
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      • J.T. Tou . (1959) , Digital and sampled data control systems.
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Erratum: Pulsed frequency-response calculations for a digital control system